Annotation of gcc/config/i860.md, revision 1.1.1.1

1.1       root        1: ;;- Machine description for Intel 860 chip for GNU C compiler
                      2: ;;   Copyright (C) 1989 Free Software Foundation, Inc.
                      3: 
                      4: ;; This file is part of GNU CC.
                      5: 
                      6: ;; GNU CC is free software; you can redistribute it and/or modify
                      7: ;; it under the terms of the GNU General Public License as published by
                      8: ;; the Free Software Foundation; either version 1, or (at your option)
                      9: ;; any later version.
                     10: 
                     11: ;; GNU CC is distributed in the hope that it will be useful,
                     12: ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
                     13: ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
                     14: ;; GNU General Public License for more details.
                     15: 
                     16: ;; You should have received a copy of the GNU General Public License
                     17: ;; along with GNU CC; see the file COPYING.  If not, write to
                     18: ;; the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
                     19: 
                     20: 
                     21: ;;- See file "rtl.def" for documentation on define_insn, match_*, et. al.
                     22: 
                     23: ;;- cpp macro #define NOTICE_UPDATE_CC in file tm.h handles condition code
                     24: ;;- updates for most instructions.
                     25: 
                     26: ;;- Operand classes for the register allocator:
                     27: 
                     28: /* Bit-test instructions.  */
                     29: 
                     30: (define_insn ""
                     31:   [(set (cc0) (eq (and:SI (match_operand:SI 0 "register_operand" "r")
                     32:                          (match_operand:SI 1 "logic_operand" "rL"))
                     33:                  (const_int 0)))]
                     34:   ""
                     35:   "*
                     36: {
                     37:   cc_status.flags |= CC_ONLY_EQ;
                     38:   return \"and %1,%0,r0\";
                     39: }")
                     40: 
                     41: (define_insn ""
                     42:   [(set (cc0) (ne (and:SI (match_operand:SI 0 "register_operand" "r")
                     43:                          (match_operand:SI 1 "logic_operand" "rL"))
                     44:                  (const_int 0)))]
                     45:   ""
                     46:   "*
                     47: {
                     48:   cc_status.flags |= CC_NEGATED;
                     49:   cc_status.flags |= CC_ONLY_EQ;
                     50:   return \"and %1,%0,r0\";
                     51: }")
                     52: 
                     53: (define_insn ""
                     54:   [(set (cc0) (eq (and:SI (match_operand:SI 0 "register_operand" "r")
                     55:                          (match_operand:SI 1 "immediate_operand" "i"))
                     56:                  (const_int 0)))]
                     57:   "GET_CODE (operands[1]) == CONST_INT && (INTVAL (operands[1]) & 0xffff) == 0"
                     58:   "*
                     59: {
                     60:   cc_status.flags |= CC_ONLY_EQ;
                     61:   return \"andh h%%%1,%0,r0\";
                     62: }")
                     63: 
                     64: (define_insn ""
                     65:   [(set (cc0) (ne (and:SI (match_operand:SI 0 "register_operand" "r")
                     66:                          (match_operand:SI 1 "immediate_operand" "i"))
                     67:                  (const_int 0)))]
                     68:   "GET_CODE (operands[1]) == CONST_INT && (INTVAL (operands[1]) & 0xffff) == 0"
                     69:   "*
                     70: {
                     71:   cc_status.flags |= CC_NEGATED;
                     72:   cc_status.flags |= CC_ONLY_EQ;
                     73:   return \"andh h%%%1,%0,r0\";
                     74: }")
                     75: 
                     76: (define_insn ""
                     77:   [(set (cc0) (eq (ashiftrt:SI
                     78:                   (sign_extend:SI
                     79:                    (ashift:QI (match_operand:QI 0 "register_operand" "r")
                     80:                               (match_operand:QI 1 "logic_int" "n")))
                     81:                   (match_operand:SI 2 "logic_int" "n"))
                     82:                  (const_int 0)))]
                     83:   ""
                     84:   "*
                     85: {
                     86:   int width = 8 - INTVAL (operands[2]);
                     87:   int pos = 8 - width - INTVAL (operands[1]);
                     88:   operands[2] = gen_rtx (CONST_INT, VOIDmode,
                     89:                         ~((-1) << width) << pos);
                     90:   return \"and %2,%0,r0\";
                     91: }")
                     92: 
                     93: ;; Compare instructions.
                     94: ;; This controls RTL generation and register allocation.
                     95: 
                     96: ;; Put cmpsi first among compare insns so it matches two CONST_INT operands.
                     97: 
                     98: (define_insn "cmpeqsi"
                     99:   [(set (cc0) (eq (match_operand:SI 0 "logic_operand" "r,rL")
                    100:                  (match_operand:SI 1 "logic_operand" "L,r")))]
                    101:   ""
                    102:   "*
                    103: {
                    104:   cc_status.flags &= ~ CC_CONDITION_MASK;
                    105:   cc_status.flags |= CC_ONLY_EQ;
                    106:   if (REG_P (operands[0]))
                    107:     return \"xor %1,%0,r0\";
                    108:   return \"xor %0,%1,r0\";
                    109: }")
                    110: 
                    111: (define_insn "cmpltsi"
                    112:   [(set (cc0) (lt (match_operand:SI 0 "arith_operand" "r,rI")
                    113:                  (match_operand:SI 1 "arith_operand" "I,r")))]
                    114:   ""
                    115:   "*
                    116: {
                    117:   cc_status.flags &= ~ CC_CONDITION_MASK;
                    118:   cc_status.flags |= CC_ONLY_LT;
                    119:   if (REG_P (operands[1]))
                    120:     return \"subs %0,%1,r0\";
                    121:   cc_status.flags |= CC_REVERSED;
                    122:   operands[1] = gen_rtx (CONST_INT, VOIDmode, - INTVAL (operands[1]));
                    123:   return \"adds %1,%0,r0\";
                    124: }")
                    125: 
                    126: (define_insn "cmpgtsi"
                    127:   [(set (cc0) (gt (match_operand:SI 0 "arith_operand" "r,rI")
                    128:                  (match_operand:SI 1 "arith_operand" "I,r")))]
                    129:   ""
                    130:   "*
                    131: {
                    132:   cc_status.flags &= ~ CC_CONDITION_MASK;
                    133:   cc_status.flags |= CC_ONLY_LT;
                    134:   if (REG_P (operands[0]))
                    135:     return \"subs %1,%0,r0\";
                    136:   cc_status.flags |= CC_REVERSED;
                    137:   operands[0] = gen_rtx (CONST_INT, VOIDmode, - INTVAL (operands[0]));
                    138:   return \"adds %0,%1,r0\";
                    139: }")
                    140: 
                    141: (define_insn "cmpgeusi"
                    142:   [(set (cc0) (geu (match_operand:SI 0 "arith_operand" "r,rI")
                    143:                   (match_operand:SI 1 "arith_operand" "I,r")))]
                    144:   ""
                    145:   "*
                    146: {
                    147:   cc_status.flags &= ~ CC_CONDITION_MASK;
                    148:   cc_status.flags |= CC_ONLY_LEU;
                    149:   if (REG_P (operands[1]))
                    150:     return \"subu %0,%1,r0\";
                    151:   cc_status.flags |= CC_REVERSED;
                    152:   operands[1] = gen_rtx (CONST_INT, VOIDmode, - INTVAL (operands[1]));
                    153:   return \"addu %1,%0,r0\";
                    154: }")
                    155: 
                    156: (define_insn "cmpleusi"
                    157:   [(set (cc0) (leu (match_operand:SI 0 "arith_operand" "r,rI")
                    158:                   (match_operand:SI 1 "arith_operand" "I,r")))]
                    159:   ""
                    160:   "*
                    161: {
                    162:   cc_status.flags &= ~ CC_CONDITION_MASK;
                    163:   cc_status.flags |= CC_ONLY_LEU;
                    164:   if (REG_P (operands[0]))
                    165:     return \"subu %1,%0,r0\";
                    166:   cc_status.flags |= CC_REVERSED;
                    167:   operands[0] = gen_rtx (CONST_INT, VOIDmode, - INTVAL (operands[0]));
                    168:   return \"addu %0,%1,r0\";
                    169: }")
                    170: 
                    171: (define_insn "cmpeqsf"
                    172:   [(set (cc0) (eq (match_operand:SF 0 "reg_or_0_operand" "fG")
                    173:                  (match_operand:SF 1 "reg_or_0_operand" "fG")))]
                    174:   ""
                    175:   "*
                    176: {
                    177:   cc_status.flags &= ~ CC_CONDITION_MASK;
                    178:   cc_status.flags |= CC_ONLY_EQ;
                    179:   return \"pfeq.s %r1,%r0\";
                    180: }")
                    181: 
                    182: (define_insn "cmpltsf"
                    183:   [(set (cc0) (lt (match_operand:SF 0 "reg_or_0_operand" "fG")
                    184:                  (match_operand:SF 1 "reg_or_0_operand" "fG")))]
                    185:   ""
                    186:   "*
                    187: {
                    188:   cc_status.flags &= ~ CC_CONDITION_MASK;
                    189:   cc_status.flags |= CC_ONLY_LT;
                    190:   return \"pfgt.s %r1,%r0\";
                    191: }")
                    192: 
                    193: (define_insn "cmpgtsf"
                    194:   [(set (cc0) (gt (match_operand:SF 0 "reg_or_0_operand" "fG")
                    195:                  (match_operand:SF 1 "reg_or_0_operand" "fG")))]
                    196:   ""
                    197:   "*
                    198: {
                    199:   cc_status.flags &= ~ CC_CONDITION_MASK;
                    200:   cc_status.flags |= CC_ONLY_LT;
                    201:   return \"pfgt.s %r0,%r1\";
                    202: }")
                    203: 
                    204: (define_insn "cmplesf"
                    205:   [(set (cc0) (le (match_operand:SF 0 "reg_or_0_operand" "fG")
                    206:                  (match_operand:SF 1 "reg_or_0_operand" "fG")))]
                    207:   ""
                    208:   "*
                    209: {
                    210:   cc_status.flags &= ~ CC_CONDITION_MASK;
                    211:   cc_status.flags |= CC_ONLY_LE;
                    212:   return \"pfle.s %r1,%r0\";
                    213: }")
                    214: 
                    215: (define_insn "cmpgesf"
                    216:   [(set (cc0) (ge (match_operand:SF 0 "reg_or_0_operand" "fG")
                    217:                  (match_operand:SF 1 "reg_or_0_operand" "fG")))]
                    218:   ""
                    219:   "*
                    220: {
                    221:   cc_status.flags &= ~ CC_CONDITION_MASK;
                    222:   cc_status.flags |= CC_ONLY_LE;
                    223:   return \"pfle.s %r0,%r1\";
                    224: }")
                    225: 
                    226: (define_insn "cmpeqdf"
                    227:   [(set (cc0) (eq (match_operand:DF 0 "reg_or_0_operand" "fG")
                    228:                  (match_operand:DF 1 "reg_or_0_operand" "fG")))]
                    229:   ""
                    230:   "*
                    231: {
                    232:   cc_status.flags &= ~ CC_CONDITION_MASK;
                    233:   cc_status.flags |= CC_ONLY_EQ;
                    234:   return \"pfeq.d %r1,%r0\";
                    235: }")
                    236: 
                    237: (define_insn "cmpltdf"
                    238:   [(set (cc0) (lt (match_operand:DF 0 "reg_or_0_operand" "fG")
                    239:                  (match_operand:DF 1 "reg_or_0_operand" "fG")))]
                    240:   ""
                    241:   "*
                    242: {
                    243:   cc_status.flags &= ~ CC_CONDITION_MASK;
                    244:   cc_status.flags |= CC_ONLY_LT;
                    245:   return \"pfgt.d %r1,%r0\";
                    246: }")
                    247: 
                    248: (define_insn "cmpgtdf"
                    249:   [(set (cc0) (gt (match_operand:DF 0 "reg_or_0_operand" "fG")
                    250:                  (match_operand:DF 1 "reg_or_0_operand" "fG")))]
                    251:   ""
                    252:   "*
                    253: {
                    254:   cc_status.flags &= ~ CC_CONDITION_MASK;
                    255:   cc_status.flags |= CC_ONLY_LT;
                    256:   return \"pfgt.d %r0,%r1\";
                    257: }")
                    258: 
                    259: (define_insn "cmpledf"
                    260:   [(set (cc0) (le (match_operand:DF 0 "reg_or_0_operand" "fG")
                    261:                  (match_operand:DF 1 "reg_or_0_operand" "fG")))]
                    262:   ""
                    263:   "*
                    264: {
                    265:   cc_status.flags &= ~ CC_CONDITION_MASK;
                    266:   cc_status.flags |= CC_ONLY_LE;
                    267:   return \"pfle.d %r1,%r0\";
                    268: }")
                    269: 
                    270: (define_insn "cmpgedf"
                    271:   [(set (cc0) (ge (match_operand:DF 0 "reg_or_0_operand" "fG")
                    272:                  (match_operand:DF 1 "reg_or_0_operand" "fG")))]
                    273:   ""
                    274:   "*
                    275: {
                    276:   cc_status.flags &= ~ CC_CONDITION_MASK;
                    277:   cc_status.flags |= CC_ONLY_LE;
                    278:   return \"pfle.d %r0,%r1\";
                    279: }")
                    280: 
                    281: (define_insn ""
                    282:   [(set (cc0) (eq (zero_extend:SI (match_operand:HI 0 "load_operand" "m"))
                    283:                  (match_operand:SI 1 "small_int" "I")))]
                    284:   "INTVAL (operands[1]) >= 0"
                    285:   "ld.s %0,r31\;xor %1,r31,r0")
                    286: 
                    287: (define_insn ""
                    288:   [(set (cc0) (eq (match_operand:SI 0 "small_int" "I")
                    289:                  (zero_extend:SI (match_operand:HI 1 "load_operand" "m"))))]
                    290:   "INTVAL (operands[0]) >= 0"
                    291:   "ld.s %1,r31\;xor %0,r31,r0")
                    292: 
                    293: ;; Define the real conditional branch instructions.
                    294: 
                    295: (define_insn "cbranch"
                    296:   [(set (pc) (if_then_else (cc0) (label_ref (match_operand 0 "" "")) (pc)))]
                    297:   ""
                    298:   "*
                    299: {
                    300:   if (cc_prev_status.flags & CC_NEGATED)
                    301:     return \"bnc %l0\";
                    302:   else
                    303:     return \"bc %l0\";
                    304: }")
                    305: 
                    306: (define_insn "inverse_cbranch"
                    307:   [(set (pc) (if_then_else (cc0) (pc) (label_ref (match_operand 0 "" ""))))]
                    308:   ""
                    309:   "*
                    310: {
                    311:   if (cc_prev_status.flags & CC_NEGATED)
                    312:     return \"bc %l0\";
                    313:   else
                    314:     return \"bnc %l0\";
                    315: }")
                    316: 
                    317: ;; Other conditional branches, made by combining.
                    318: 
                    319: (define_insn ""
                    320:   [(set (pc) (if_then_else (eq (match_operand:SI 0 "bte_operand" "%rK")
                    321:                               (match_operand:SI 1 "bte_operand" "rJ"))
                    322:                           (label_ref (match_operand 2 "" ""))
                    323:                           (pc)))]
                    324:   "GET_CODE (operands[0]) == REG || GET_CODE (operands[1]) == REG"
                    325:   "bte %0,%r1,%2")
                    326: 
                    327: (define_insn ""
                    328:   [(set (pc) (if_then_else (eq (match_operand:SI 0 "bte_operand" "%rK")
                    329:                               (match_operand:SI 1 "bte_operand" "rJ"))
                    330:                           (pc)
                    331:                           (label_ref (match_operand 2 "" ""))))]
                    332:   "GET_CODE (operands[0]) == REG || GET_CODE (operands[1]) == REG"
                    333:   "btne %0,%r1,%2")
                    334: 
                    335: ;; Optimize fetching an unsigned half word and comparing against constant.
                    336: ;; No need to zero-extend.
                    337: 
                    338: (define_insn ""
                    339:   [(set (pc) (if_then_else (eq (zero_extend:SI (match_operand:HI 0 "load_operand" "m"))
                    340:                               (match_operand:SI 1 "immediate_operand" "K"))
                    341:                           (label_ref (match_operand 2 "" ""))
                    342:                           (pc)))]
                    343:   "GET_CODE (operands[1]) == CONST_INT
                    344:    && INTVAL (operands[1]) < 0x10 && INTVAL (operands[1]) >= 0"
                    345:   "ld.s %0,r31\;bte %1,r31,%2")
                    346: 
                    347: (define_insn ""
                    348:   [(set (pc) (if_then_else (eq (match_operand:SI 0 "immediate_operand" "K")
                    349:                               (zero_extend:SI (match_operand:HI 1 "load_operand" "m")))
                    350:                           (label_ref (match_operand 2 "" ""))
                    351:                           (pc)))]
                    352:   "GET_CODE (operands[0]) == CONST_INT
                    353:    && INTVAL (operands[0]) < 0x10 && INTVAL (operands[0]) >= 0"
                    354:   "ld.s %1,r31\;bte %0,r31,%2")
                    355: 
                    356: (define_insn ""
                    357:   [(set (pc) (if_then_else (eq (zero_extend:SI (match_operand:HI 0 "load_operand" "m"))
                    358:                               (match_operand:SI 1 "immediate_operand" "K"))
                    359:                           (pc)
                    360:                           (label_ref (match_operand 2 "" ""))))]
                    361:   "GET_CODE (operands[1]) == CONST_INT
                    362:    && INTVAL (operands[1]) < 0x10 && INTVAL (operands[1]) >= 0"
                    363:   "ld.s %0,r31\;btne %1,r31,%2")
                    364: 
                    365: (define_insn ""
                    366:   [(set (pc) (if_then_else (eq (match_operand:SI 0 "immediate_operand" "K")
                    367:                               (zero_extend:SI (match_operand:HI 1 "load_operand" "m")))
                    368:                           (pc)
                    369:                           (label_ref (match_operand 2 "" ""))))]
                    370:   "GET_CODE (operands[0]) == CONST_INT
                    371:    && INTVAL (operands[0]) < 0x10 && INTVAL (operands[0]) >= 0"
                    372:   "ld.s %1,r31\;btne %0,r31,%2")
                    373: 
                    374: (define_insn ""
                    375:   [(set (pc) (if_then_else (eq (zero_extend:SI (match_operand:QI 0 "load_operand" "m"))
                    376:                               (match_operand:SI 1 "immediate_operand" "K"))
                    377:                           (label_ref (match_operand 2 "" ""))
                    378:                           (pc)))]
                    379:   "GET_CODE (operands[1]) == CONST_INT
                    380:    && INTVAL (operands[1]) < 0x10 && INTVAL (operands[1]) >= 0"
                    381:   "ld.b %0,r31\;bte %1,r31,%2")
                    382: 
                    383: (define_insn ""
                    384:   [(set (pc) (if_then_else (eq (match_operand:SI 0 "immediate_operand" "K")
                    385:                               (zero_extend:SI (match_operand:QI 1 "load_operand" "m")))
                    386:                           (label_ref (match_operand 2 "" ""))
                    387:                           (pc)))]
                    388:   "GET_CODE (operands[0]) == CONST_INT
                    389:    && INTVAL (operands[0]) < 0x10 && INTVAL (operands[0]) >= 0"
                    390:   "ld.b %1,r31\;bte %0,r31,%2")
                    391: 
                    392: (define_insn ""
                    393:   [(set (pc) (if_then_else (eq (zero_extend:SI (match_operand:QI 0 "load_operand" "m"))
                    394:                               (match_operand:SI 1 "immediate_operand" "K"))
                    395:                           (pc)
                    396:                           (label_ref (match_operand 2 "" ""))))]
                    397:   "GET_CODE (operands[1]) == CONST_INT
                    398:    && INTVAL (operands[1]) < 0x10 && INTVAL (operands[1]) >= 0"
                    399:   "ld.b %0,r31\;btne %1,r31,%2")
                    400: 
                    401: (define_insn ""
                    402:   [(set (pc) (if_then_else (eq (match_operand:SI 0 "immediate_operand" "K")
                    403:                               (zero_extend:SI (match_operand:QI 1 "load_operand" "m")))
                    404:                           (pc)
                    405:                           (label_ref (match_operand 2 "" ""))))]
                    406:   "GET_CODE (operands[0]) == CONST_INT
                    407:    && INTVAL (operands[0]) < 0x10 && INTVAL (operands[0]) >= 0"
                    408:   "ld.b %1,r31\;btne %0,r31,%2")
                    409: 
                    410: ;; Generation of conditionals.
                    411: 
                    412: ;; The first step is the emission of a standard-looking compare insn.
                    413: ;; Then a standard-named conditional branch pattern is run.
                    414: ;; That branch pattern looks back at the compare insn and deletes it.
                    415: ;; It then emits a machine-specific compare insn and a branch-if-true
                    416: ;; or a branch-if-false.
                    417: 
                    418: ;; These patterns have `abort' because they are supposed to be deleted
                    419: ;; in that fashion.
                    420: 
                    421: (define_insn "cmpsi"
                    422:   [(set (cc0) (compare (match_operand:SI 0 "compare_operand" "")
                    423:                       (match_operand:SI 1 "compare_operand" "")))]
                    424:   ""
                    425:   "* abort ();")
                    426: 
                    427: (define_insn "cmpsf"
                    428:   [(set (cc0) (compare (match_operand:SF 0 "register_operand" "")
                    429:                       (match_operand:SF 1 "register_operand" "")))]
                    430:   ""
                    431:   "* abort ();")
                    432: 
                    433: (define_insn "cmpdf"
                    434:   [(set (cc0) (compare (match_operand:DF 0 "register_operand" "")
                    435:                       (match_operand:DF 1 "register_operand" "")))]
                    436:   ""
                    437:   "* abort ();")
                    438: 
                    439: ;; These are the standard-named conditional branch patterns.
                    440: ;; Detailed comments are found in the first one only.
                    441: 
                    442: (define_expand "beq"
                    443:   [(set (pc)
                    444:        (if_then_else (eq (cc0)
                    445:                          (const_int 0))
                    446:                      (label_ref (match_operand 0 "" ""))
                    447:                      (pc)))]
                    448:   ""
                    449:   "
                    450: {
                    451:   rtx label = operands[0];
                    452:   enum insn_code code;
                    453:   rtx prev;
                    454: 
                    455:   /* Get out of the sequence just started for us.  */
                    456: 
                    457:   end_sequence ();
                    458:   prev = get_last_insn ();
                    459: 
                    460:   /* Examine the preceding compare insn, and get rid of it.  */
                    461: 
                    462:   code = recog_memoized (prev);
                    463:   insn_extract (prev);
                    464:   NEXT_INSN (PREV_INSN (prev)) = 0;
                    465:   set_last_insn (PREV_INSN (prev));
                    466: 
                    467:   /* Now once again start a sequence for our new instructions.  */
                    468: 
                    469:   start_sequence ();
                    470: 
                    471:   /* Emit a single-condition compare insn according to
                    472:      the type of operands and the condition to be tested.  */
                    473: 
                    474:   if (code == CODE_FOR_cmpsi)
                    475:     emit_insn (gen_cmpeqsi (recog_operand[0], recog_operand[1]));
                    476:   else if (code == CODE_FOR_cmpsf)
                    477:     emit_insn (gen_cmpeqsf (recog_operand[0], recog_operand[1]));
                    478:   else if (code == CODE_FOR_cmpdf)
                    479:     emit_insn (gen_cmpeqdf (recog_operand[0], recog_operand[1]));
                    480:   else
                    481:     abort ();
                    482: 
                    483:   /* Emit branch-if-true.  */
                    484: 
                    485:   emit_jump_insn (gen_cbranch (label));
                    486: 
                    487:   DONE;
                    488: }")
                    489: 
                    490: (define_expand "bne"
                    491:   [(set (pc)
                    492:        (if_then_else (ne (cc0)
                    493:                          (const_int 0))
                    494:                      (label_ref (match_operand 0 "" ""))
                    495:                      (pc)))]
                    496:   ""
                    497:   "
                    498: {
                    499:   rtx label = operands[0];
                    500:   enum insn_code code;
                    501:   rtx prev;
                    502: 
                    503:   end_sequence ();
                    504:   prev = get_last_insn ();
                    505: 
                    506:   code = recog_memoized (prev);
                    507:   insn_extract (prev);
                    508:   NEXT_INSN (PREV_INSN (prev)) = 0;
                    509:   set_last_insn (PREV_INSN (prev));
                    510:   start_sequence ();
                    511: 
                    512:   if (code == CODE_FOR_cmpsi)
                    513:     emit_insn (gen_cmpeqsi (recog_operand[0], recog_operand[1]));
                    514:   else if (code == CODE_FOR_cmpsf)
                    515:     emit_insn (gen_cmpeqsf (recog_operand[0], recog_operand[1]));
                    516:   else if (code == CODE_FOR_cmpdf)
                    517:     emit_insn (gen_cmpeqdf (recog_operand[0], recog_operand[1]));
                    518:   else
                    519:     abort ();
                    520:   emit_jump_insn (gen_inverse_cbranch (label));
                    521: 
                    522:   DONE;
                    523: }")
                    524: 
                    525: (define_expand "bgt"
                    526:   [(set (pc)
                    527:        (if_then_else (gt (cc0)
                    528:                          (const_int 0))
                    529:                      (label_ref (match_operand 0 "" ""))
                    530:                      (pc)))]
                    531:   ""
                    532:   "
                    533: {
                    534:   rtx label = operands[0];
                    535:   enum insn_code code;
                    536:   rtx prev;
                    537: 
                    538:   end_sequence ();
                    539:   prev = get_last_insn ();
                    540: 
                    541:   code = recog_memoized (prev);
                    542:   insn_extract (prev);
                    543:   NEXT_INSN (PREV_INSN (prev)) = 0;
                    544:   set_last_insn (PREV_INSN (prev));
                    545:   start_sequence ();
                    546: 
                    547:   if (code == CODE_FOR_cmpsi)
                    548:     emit_insn (gen_cmpgtsi (recog_operand[0], recog_operand[1]));
                    549:   else if (code == CODE_FOR_cmpsf)
                    550:     emit_insn (gen_cmpgtsf (recog_operand[0], recog_operand[1]));
                    551:   else if (code == CODE_FOR_cmpdf)
                    552:     emit_insn (gen_cmpgtdf (recog_operand[0], recog_operand[1]));
                    553:   else
                    554:     abort ();
                    555:   emit_jump_insn (gen_cbranch (label));
                    556:   DONE;
                    557: }")
                    558: 
                    559: (define_expand "blt"
                    560:   [(set (pc)
                    561:        (if_then_else (lt (cc0)
                    562:                          (const_int 0))
                    563:                      (label_ref (match_operand 0 "" ""))
                    564:                      (pc)))]
                    565:   ""
                    566:   "
                    567: {
                    568:   rtx label = operands[0];
                    569:   enum insn_code code;
                    570:   rtx prev;
                    571: 
                    572:   end_sequence ();
                    573:   prev = get_last_insn ();
                    574: 
                    575:   code = recog_memoized (prev);
                    576:   insn_extract (prev);
                    577:   NEXT_INSN (PREV_INSN (prev)) = 0;
                    578:   set_last_insn (PREV_INSN (prev));
                    579:   start_sequence ();
                    580: 
                    581:   if (code == CODE_FOR_cmpsi)
                    582:     emit_insn (gen_cmpltsi (recog_operand[0], recog_operand[1]));
                    583:   else if (code == CODE_FOR_cmpsf)
                    584:     emit_insn (gen_cmpltsf (recog_operand[0], recog_operand[1]));
                    585:   else if (code == CODE_FOR_cmpdf)
                    586:     emit_insn (gen_cmpltdf (recog_operand[0], recog_operand[1]));
                    587:   else
                    588:     abort ();
                    589:   emit_jump_insn (gen_cbranch (label));
                    590:   DONE;
                    591: }")
                    592: 
                    593: (define_expand "ble"
                    594:   [(set (pc)
                    595:        (if_then_else (le (cc0)
                    596:                          (const_int 0))
                    597:                      (label_ref (match_operand 0 "" ""))
                    598:                      (pc)))]
                    599:   ""
                    600:   "
                    601: {
                    602:   rtx label = operands[0];
                    603:   enum insn_code code;
                    604:   rtx prev;
                    605: 
                    606:   end_sequence ();
                    607:   prev = get_last_insn ();
                    608: 
                    609:   code = recog_memoized (prev);
                    610:   insn_extract (prev);
                    611:   NEXT_INSN (PREV_INSN (prev)) = 0;
                    612:   set_last_insn (PREV_INSN (prev));
                    613:   start_sequence ();
                    614: 
                    615:   if (code == CODE_FOR_cmpsi)
                    616:     {
                    617:       emit_insn (gen_cmpgtsi (recog_operand[0], recog_operand[1]));
                    618:       emit_jump_insn (gen_inverse_cbranch (label));
                    619:     }
                    620:   else
                    621:     {
                    622:       if (code == CODE_FOR_cmpsf)
                    623:        emit_insn (gen_cmplesf (recog_operand[0], recog_operand[1]));
                    624:       else if (code == CODE_FOR_cmpdf)
                    625:        emit_insn (gen_cmpledf (recog_operand[0], recog_operand[1]));
                    626:       else
                    627:        abort ();
                    628:       emit_jump_insn (gen_cbranch (label));
                    629:     }
                    630:   DONE;
                    631: }")
                    632: 
                    633: (define_expand "bge"
                    634:   [(set (pc)
                    635:        (if_then_else (ge (cc0)
                    636:                          (const_int 0))
                    637:                      (label_ref (match_operand 0 "" ""))
                    638:                      (pc)))]
                    639:   ""
                    640:   "
                    641: {
                    642:   rtx label = operands[0];
                    643:   enum insn_code code;
                    644:   rtx prev;
                    645: 
                    646:   end_sequence ();
                    647:   prev = get_last_insn ();
                    648: 
                    649:   code = recog_memoized (prev);
                    650:   insn_extract (prev);
                    651:   NEXT_INSN (PREV_INSN (prev)) = 0;
                    652:   set_last_insn (PREV_INSN (prev));
                    653:   start_sequence ();
                    654: 
                    655:   if (code == CODE_FOR_cmpsi)
                    656:     {
                    657:       emit_insn (gen_cmpltsi (recog_operand[0], recog_operand[1]));
                    658:       emit_jump_insn (gen_inverse_cbranch (label));
                    659:     }
                    660:   else
                    661:     {
                    662:       if (code == CODE_FOR_cmpsf)
                    663:        emit_insn (gen_cmpgesf (recog_operand[0], recog_operand[1]));
                    664:       else if (code == CODE_FOR_cmpdf)
                    665:        emit_insn (gen_cmpgedf (recog_operand[0], recog_operand[1]));
                    666:       else
                    667:         abort ();
                    668:       emit_jump_insn (gen_cbranch (label));
                    669:     }
                    670:   DONE;
                    671: }")
                    672: 
                    673: (define_expand "bgtu"
                    674:   [(set (pc)
                    675:        (if_then_else (gtu (cc0)
                    676:                           (const_int 0))
                    677:                      (label_ref (match_operand 0 "" ""))
                    678:                      (pc)))]
                    679:   ""
                    680:   "
                    681: {
                    682:   rtx label = operands[0];
                    683:   enum insn_code code;
                    684:   rtx prev;
                    685: 
                    686:   end_sequence ();
                    687:   prev = get_last_insn ();
                    688: 
                    689:   code = recog_memoized (prev);
                    690:   insn_extract (prev);
                    691:   NEXT_INSN (PREV_INSN (prev)) = 0;
                    692:   set_last_insn (PREV_INSN (prev));
                    693:   start_sequence ();
                    694: 
                    695:   if (code == CODE_FOR_cmpsi)
                    696:     emit_insn (gen_cmpleusi (recog_operand[0], recog_operand[1]));
                    697:   else
                    698:     abort ();
                    699:   emit_jump_insn (gen_inverse_cbranch (label));
                    700:   DONE;
                    701: }")
                    702: 
                    703: (define_expand "bltu"
                    704:   [(set (pc)
                    705:        (if_then_else (ltu (cc0)
                    706:                           (const_int 0))
                    707:                      (label_ref (match_operand 0 "" ""))
                    708:                      (pc)))]
                    709:   ""
                    710:   "
                    711: {
                    712:   rtx label = operands[0];
                    713:   enum insn_code code;
                    714:   rtx prev;
                    715: 
                    716:   end_sequence ();
                    717:   prev = get_last_insn ();
                    718: 
                    719:   code = recog_memoized (prev);
                    720:   insn_extract (prev);
                    721:   NEXT_INSN (PREV_INSN (prev)) = 0;
                    722:   set_last_insn (PREV_INSN (prev));
                    723:   start_sequence ();
                    724: 
                    725:   if (code == CODE_FOR_cmpsi)
                    726:     emit_insn (gen_cmpgeusi (recog_operand[0], recog_operand[1]));
                    727:   else
                    728:     abort ();
                    729:   emit_jump_insn (gen_inverse_cbranch (label));
                    730:   DONE;
                    731: }")
                    732: 
                    733: (define_expand "bgeu"
                    734:   [(set (pc)
                    735:        (if_then_else (geu (cc0)
                    736:                           (const_int 0))
                    737:                      (label_ref (match_operand 0 "" ""))
                    738:                      (pc)))]
                    739:   ""
                    740:   "
                    741: {
                    742:   rtx label = operands[0];
                    743:   enum insn_code code;
                    744:   rtx prev;
                    745: 
                    746:   end_sequence ();
                    747:   prev = get_last_insn ();
                    748: 
                    749:   code = recog_memoized (prev);
                    750:   insn_extract (prev);
                    751:   NEXT_INSN (PREV_INSN (prev)) = 0;
                    752:   set_last_insn (PREV_INSN (prev));
                    753:   start_sequence ();
                    754: 
                    755:   if (code == CODE_FOR_cmpsi)
                    756:     emit_insn (gen_cmpgeusi (recog_operand[0], recog_operand[1]));
                    757:   else
                    758:     abort ();
                    759:   emit_jump_insn (gen_cbranch (label));
                    760:   DONE;
                    761: }")
                    762: 
                    763: (define_expand "bleu"
                    764:   [(set (pc)
                    765:        (if_then_else (leu (cc0)
                    766:                           (const_int 0))
                    767:                      (label_ref (match_operand 0 "" ""))
                    768:                      (pc)))]
                    769:   ""
                    770:   "
                    771: {
                    772:   rtx label = operands[0];
                    773:   enum insn_code code;
                    774:   rtx prev;
                    775: 
                    776:   end_sequence ();
                    777:   prev = get_last_insn ();
                    778: 
                    779:   code = recog_memoized (prev);
                    780:   insn_extract (prev);
                    781:   NEXT_INSN (PREV_INSN (prev)) = 0;
                    782:   set_last_insn (PREV_INSN (prev));
                    783:   start_sequence ();
                    784: 
                    785:   if (code == CODE_FOR_cmpsi)
                    786:     emit_insn (gen_cmpleusi (recog_operand[0], recog_operand[1]));
                    787:   else
                    788:     abort ();
                    789:   emit_jump_insn (gen_cbranch (label));
                    790:   DONE;
                    791: }")
                    792: 
                    793: ;; Move instructions
                    794: 
                    795: (define_insn "movsi"
                    796:   [(set (match_operand:SI 0 "general_operand" "=r,m,f")
                    797:        (match_operand:SI 1 "general_operand" "rmif,rfJ,rmfJ"))]
                    798:   ""
                    799:   "*
                    800: {
                    801:   if (GET_CODE (operands[0]) == MEM)
                    802:     {
                    803:       if (CONSTANT_ADDRESS_P (XEXP (operands[0], 0)))
                    804:        return output_store (operands);
                    805:       if (FP_REG_P (operands[1]))
                    806:        return \"fst.l %1,%0\";
                    807:       return \"st.l %r1,%0\";
                    808:     }
                    809:   if (GET_CODE (operands[1]) == MEM)
                    810:     {
                    811:       if (CONSTANT_ADDRESS_P (XEXP (operands[1], 0)))
                    812:        return output_load (operands);
                    813:       if (FP_REG_P (operands[0]))
                    814:        return \"fld.l %1,%0\";
                    815:       return \"ld.l %1,%0\";
                    816:     }
                    817:   if (FP_REG_P (operands[1]) && FP_REG_P (operands[0]))
                    818:     return \"fmov.ss %1,%0\";
                    819:   if (FP_REG_P (operands[1]))
                    820:     return \"fxfr %1,%0\";
                    821:   if (FP_REG_P (operands[0]) && operands[1] == const0_rtx)
                    822:     return \"fmov.ss f0,%0\";
                    823:   if (FP_REG_P (operands[0]))
                    824:     return \"ixfr %1,%0\";
                    825:   return \"mov %1,%0\";
                    826: }")
                    827: 
                    828: (define_insn "movhi"
                    829:   [(set (match_operand:HI 0 "general_operand" "=r,m")
                    830:        (match_operand:HI 1 "general_operand" "rmi,rJ"))]
                    831:   ""
                    832:   "*
                    833: {
                    834:   if (GET_CODE (operands[0]) == MEM)
                    835:     {
                    836:       if (CONSTANT_ADDRESS_P (XEXP (operands[0], 0)))
                    837:        return output_store (operands);
                    838:       return \"st.s %r1,%0\";
                    839:     }
                    840:   if (GET_CODE (operands[1]) == MEM)
                    841:     {
                    842:       if (CONSTANT_ADDRESS_P (XEXP (operands[1], 0)))
                    843:        return output_load (operands);
                    844:       return \"ld.s %1,%0\";
                    845:     }
                    846:   return \"mov %1,%0\";
                    847: }")
                    848: 
                    849: (define_insn "movqi"
                    850:   [(set (match_operand:QI 0 "general_operand" "=r,m")
                    851:        (match_operand:QI 1 "general_operand" "rmi,rJ"))]
                    852:   ""
                    853:   "*
                    854: {
                    855:   if (GET_CODE (operands[0]) == MEM)
                    856:     {
                    857:       if (CONSTANT_ADDRESS_P (XEXP (operands[0], 0)))
                    858:        return output_store (operands);
                    859:       return \"st.b %r1,%0\";
                    860:     }
                    861:   if (GET_CODE (operands[1]) == MEM)
                    862:     {
                    863:       if (CONSTANT_ADDRESS_P (XEXP (operands[1], 0)))
                    864:        return output_load (operands);
                    865:       return \"ld.b %1,%0\";
                    866:     }
                    867:   return \"mov %1,%0\";
                    868: }")
                    869: 
                    870: ;; The definition of this insn does not really explain what it does,
                    871: ;; but it should suffice
                    872: ;; that anything generated as this insn will be recognized as one
                    873: ;; and that it won't successfully combine with anything.
                    874: (define_expand "movstrsi"
                    875:   [(parallel [(set (mem:BLK (match_operand:BLK 0 "general_operand" ""))
                    876:                   (mem:BLK (match_operand:BLK 1 "general_operand" "")))
                    877:              (use (match_operand:SI 2 "nonmemory_operand" ""))
                    878:              (use (match_operand:SI 3 "immediate_operand" ""))
                    879:              (clobber (match_dup 4))
                    880:              (clobber (match_dup 5))
                    881:              (clobber (match_dup 6))
                    882:              (clobber (match_dup 0))
                    883:              (clobber (match_dup 1))])]
                    884:   ""
                    885:   "
                    886: {
                    887:   operands[0] = copy_to_mode_reg (SImode, XEXP (operands[0], 0));
                    888:   operands[1] = copy_to_mode_reg (SImode, XEXP (operands[1], 0));
                    889:   operands[4] = gen_reg_rtx (SImode);
                    890:   operands[5] = gen_reg_rtx (SImode);
                    891:   operands[6] = gen_reg_rtx (SImode);
                    892: }")
                    893: 
                    894: (define_insn ""
                    895:   [(set (mem:BLK (match_operand:SI 0 "register_operand" "r"))
                    896:        (mem:BLK (match_operand:SI 1 "register_operand" "r")))
                    897:    (use (match_operand:SI 2 "nonmemory_operand" "rn"))
                    898:    (use (match_operand:SI 3 "immediate_operand" "i"))
                    899:    (clobber (match_operand:SI 4 "register_operand" "=r"))
                    900:    (clobber (match_operand:SI 5 "register_operand" "=r"))
                    901:    (clobber (match_operand:SI 6 "register_operand" "=r"))
                    902:    (clobber (match_dup 0))
                    903:    (clobber (match_dup 1))]
                    904:   ""
                    905:   "* return output_block_move (operands);")
                    906: 
                    907: ;; Floating point move insns
                    908: 
                    909: ;; This pattern forces (set (reg:DF ...) (const_double ...))
                    910: ;; to be reloaded by putting the constant into memory.
                    911: ;; It must come before the more general movdf pattern.
                    912: (define_insn ""
                    913:   [(set (match_operand:DF 0 "general_operand" "=r,f,o")
                    914:        (match_operand:DF 1 "" "mG,m,G"))]
                    915:   "GET_CODE (operands[1]) == CONST_DOUBLE"
                    916:   "*
                    917: {
                    918:   if (FP_REG_P (operands[0]))
                    919:     return output_fp_move_double (operands);
                    920:   if (operands[1] == dconst0_rtx && GET_CODE (operands[0]) == REG)
                    921:     {
                    922:       operands[1] = gen_rtx (REG, SImode, REGNO (operands[0]) + 1);
                    923:       return \"mov r0,%0\;mov r0,%1\";
                    924:     }
                    925:   if (operands[1] == dconst0_rtx && GET_CODE (operands[0]) == MEM)
                    926:     {
                    927:       if (CONSTANT_ADDRESS_P (XEXP (operands[0], 0)))
                    928:        {
                    929:          if (! ((cc_prev_status.flags & CC_KNOW_HI_R31)
                    930:                 && (cc_prev_status.flags & CC_HI_R31_ADJ)
                    931:                 && XEXP (operands[0], 0) == cc_prev_status.mdep))
                    932:            {
                    933:              cc_status.flags |= CC_KNOW_HI_R31 | CC_HI_R31_ADJ;
                    934:              cc_status.mdep = XEXP (operands[0], 0);
                    935:              output_asm_insn (\"orh ha%%%m0,r0,r31\", operands);
                    936:            }
                    937:          return \"st.l r0,l%%%%m0(r31)\;st.l r0,l%%%%m0+4(r31)\";
                    938:        }
                    939:       operands[1] = adj_offsettable_operand (operands[0], 4);
                    940:       return \"st.l r0,%0\;st.l r0,%1\";
                    941:     }
                    942:   return output_move_double (operands);
                    943: }")
                    944: 
                    945: (define_insn "movdf"
                    946:   [(set (match_operand:DF 0 "general_operand" "=*rm,&*r,?f,?*rm")
                    947:        (match_operand:DF 1 "general_operand" "*r,m,*rfmG,f"))]
                    948:   ""
                    949:   "*
                    950: {
                    951:   if (GET_CODE (operands[0]) == MEM
                    952:       && CONSTANT_ADDRESS_P (XEXP (operands[0], 0)))
                    953:     return output_store (operands);
                    954:   if (GET_CODE (operands[1]) == MEM
                    955:       && CONSTANT_ADDRESS_P (XEXP (operands[1], 0)))
                    956:     return output_load (operands);
                    957: 
                    958:   if (FP_REG_P (operands[0]) || FP_REG_P (operands[1]))
                    959:     return output_fp_move_double (operands);
                    960:   return output_move_double (operands);
                    961: }")
                    962: 
                    963: (define_insn "movdi"
                    964:   [(set (match_operand:DI 0 "general_operand" "=rm,&r,?f,?rm")
                    965:        (match_operand:DI 1 "general_operand" "r,mi,rfm,f"))]
                    966:   ""
                    967:   "*
                    968: {
                    969:   if (GET_CODE (operands[0]) == MEM
                    970:       && CONSTANT_ADDRESS_P (XEXP (operands[0], 0)))
                    971:     return output_store (operands);
                    972:   if (GET_CODE (operands[1]) == MEM
                    973:       && CONSTANT_ADDRESS_P (XEXP (operands[1], 0)))
                    974:     return output_load (operands);
                    975: 
                    976:   if (FP_REG_P (operands[0]) || FP_REG_P (operands[1]))
                    977:     return output_fp_move_double (operands);
                    978:   return output_move_double (operands);
                    979: }")
                    980: 
                    981: (define_insn "movsf"
                    982:   [(set (match_operand:SF 0 "general_operand" "=*rf,m")
                    983:        (match_operand:SF 1 "general_operand" "*rfmG,*rf"))]
                    984:   ""
                    985:   "*
                    986: {
                    987:   if (GET_CODE (operands[0]) == MEM
                    988:       && CONSTANT_ADDRESS_P (XEXP (operands[0], 0)))
                    989:     return output_store (operands);
                    990:   if (GET_CODE (operands[1]) == MEM
                    991:       && CONSTANT_ADDRESS_P (XEXP (operands[1], 0)))
                    992:     return output_load (operands);
                    993:   if (FP_REG_P (operands[0]))
                    994:     {
                    995:       if (FP_REG_P (operands[1]))
                    996:        return \"fmov.ss %1,%0\";
                    997:       if (GET_CODE (operands[1]) == REG)
                    998:        return \"ixfr %1,%0\";
                    999:       if (operands[1] == fconst0_rtx)
                   1000:         return \"fmov.ss f0,%0\";
                   1001:       if (CONSTANT_ADDRESS_P (XEXP (operands[1], 0)))
                   1002:        {
                   1003:          cc_status.flags |= CC_KNOW_HI_R31 | CC_HI_R31_ADJ;
                   1004:          cc_status.mdep = XEXP (operands[1], 0);
                   1005:          return \"orh ha%%%m1,r0,r31\;fld.l l%%%m1(r31),%0\";
                   1006:        }
                   1007:       return \"fld.l %1,%0\";
                   1008:     }
                   1009:   if (FP_REG_P (operands[1]))
                   1010:     {
                   1011:       if (GET_CODE (operands[0]) == REG)
                   1012:        return \"fxfr %1,%0\";
                   1013:       if (CONSTANT_ADDRESS_P (XEXP (operands[0], 0)))
                   1014:        {
                   1015:          if (! ((cc_prev_status.flags & CC_KNOW_HI_R31)
                   1016:                 && (cc_prev_status.flags & CC_HI_R31_ADJ)
                   1017:                 && XEXP (operands[0], 0) == cc_prev_status.mdep))
                   1018:            {
                   1019:              cc_status.flags |= CC_KNOW_HI_R31 | CC_HI_R31_ADJ;
                   1020:              cc_status.mdep = XEXP (operands[0], 0);
                   1021:              output_asm_insn (\"orh ha%%%m0,r0,r31\", operands);
                   1022:            }
                   1023:          return \"fst.l %r1,l%%%m0(r31)\";
                   1024:        }
                   1025:       return \"fst.l %r1,%0\";
                   1026:     }
                   1027:   if (GET_CODE (operands[0]) == MEM)
                   1028:     return \"st.l %r1,%0\";
                   1029:   if (GET_CODE (operands[1]) == MEM)
                   1030:     return \"ld.l %1,%0\";
                   1031:   if (operands[1] == fconst0_rtx)
                   1032:     return \"mov r0,%0\";
                   1033:   return \"mov %1,%0\";
                   1034: }")
                   1035: 
                   1036: ;; Special load insns for REG+REG addresses.
                   1037: ;; Such addresses are not "legitimate" because st rejects them.
                   1038: 
                   1039: (define_insn ""
                   1040:   [(set (match_operand:DF 0 "register_operand" "rf")
                   1041:        (match_operand:DF 1 "indexed_operand" "m"))]
                   1042:   ""
                   1043:   "*
                   1044: {
                   1045:   if (FP_REG_P (operands[0]))
                   1046:     return output_fp_move_double (operands);
                   1047:   return output_move_double (operands);
                   1048: }")
                   1049: 
                   1050: (define_insn ""
                   1051:   [(set (match_operand:SF 0 "register_operand" "rf")
                   1052:        (match_operand:SF 1 "indexed_operand" "m"))]
                   1053:   ""
                   1054:   "*
                   1055: {
                   1056:   if (FP_REG_P (operands[0]))
                   1057:     return \"fld.l %1,%0\";
                   1058:   return \"ld.l %1,%0\";
                   1059: }")
                   1060: 
                   1061: (define_insn ""
                   1062:   [(set (match_operand:SI 0 "register_operand" "rf")
                   1063:        (match_operand:SI 1 "indexed_operand" "m"))]
                   1064:   ""
                   1065:   "*
                   1066: {
                   1067:   if (FP_REG_P (operands[0]))
                   1068:     return \"fld.l %1,%0\";
                   1069:   return \"ld.l %1,%0\";
                   1070: }")
                   1071: 
                   1072: (define_insn ""
                   1073:   [(set (match_operand:HI 0 "register_operand" "r")
                   1074:        (match_operand:HI 1 "indexed_operand" "m"))]
                   1075:   ""
                   1076:   "ld.s %1,%0")
                   1077: 
                   1078: (define_insn ""
                   1079:   [(set (match_operand:QI 0 "register_operand" "r")
                   1080:        (match_operand:QI 1 "indexed_operand" "m"))]
                   1081:   ""
                   1082:   "ld.b %1,%0")
                   1083: 
                   1084: ;; Likewise for floating-point store insns.
                   1085: 
                   1086: (define_insn ""
                   1087:   [(set (match_operand:DF 0 "indexed_operand" "m")
                   1088:        (match_operand:DF 1 "register_operand" "f"))]
                   1089:   ""
                   1090:   "fst.d %1,%0")
                   1091: 
                   1092: (define_insn ""
                   1093:   [(set (match_operand:SF 0 "indexed_operand" "m")
                   1094:        (match_operand:SF 1 "register_operand" "f"))]
                   1095:   ""
                   1096:   "fst.l %1,%0")
                   1097: 
                   1098: ;;- truncation instructions
                   1099: (define_insn "truncsiqi2"
                   1100:   [(set (match_operand:QI 0 "general_operand" "=g")
                   1101:        (truncate:QI
                   1102:         (match_operand:SI 1 "register_operand" "r")))]
                   1103:   ""
                   1104:   "*
                   1105: {
                   1106:   if (GET_CODE (operands[0]) == MEM)
                   1107:     if (CONSTANT_ADDRESS_P (XEXP (operands[0], 0)))
                   1108:       {
                   1109:        if (! ((cc_prev_status.flags & CC_KNOW_HI_R31)
                   1110:               && (cc_prev_status.flags & CC_HI_R31_ADJ)
                   1111:               && XEXP (operands[0], 0) == cc_prev_status.mdep))
                   1112:          {
                   1113:            cc_status.flags |= CC_KNOW_HI_R31 | CC_HI_R31_ADJ;
                   1114:            cc_status.mdep = XEXP (operands[0], 0);
                   1115:            output_asm_insn (\"orh ha%%%m0,r0,r31\", operands);
                   1116:          }
                   1117:        return \"st.b %1,l%%%m0(r31)\";
                   1118:       }
                   1119:     else
                   1120:       return \"st.b %1,%0\";
                   1121:   return \"mov %1,%0\";
                   1122: }")
                   1123: 
                   1124: (define_insn "trunchiqi2"
                   1125:   [(set (match_operand:QI 0 "general_operand" "=g")
                   1126:        (truncate:QI
                   1127:         (match_operand:HI 1 "register_operand" "r")))]
                   1128:   ""
                   1129:   "*
                   1130: {
                   1131:   if (GET_CODE (operands[0]) == MEM)
                   1132:     if (CONSTANT_ADDRESS_P (XEXP (operands[0], 0)))
                   1133:       {
                   1134:        if (! ((cc_prev_status.flags & CC_KNOW_HI_R31)
                   1135:               && (cc_prev_status.flags & CC_HI_R31_ADJ)
                   1136:               && XEXP (operands[0], 0) == cc_prev_status.mdep))
                   1137:          {
                   1138:            cc_status.flags |= CC_KNOW_HI_R31 | CC_HI_R31_ADJ;
                   1139:            cc_status.mdep = XEXP (operands[0], 0);
                   1140:            output_asm_insn (\"orh ha%%%m0,r0,r31\", operands);
                   1141:          }
                   1142:        return \"st.b %1,l%%%m0(r31)\";
                   1143:       }
                   1144:     else
                   1145:       return \"st.b %1,%0\";
                   1146:   return \"mov %1,%0\";
                   1147: }")
                   1148: 
                   1149: (define_insn "truncsihi2"
                   1150:   [(set (match_operand:HI 0 "general_operand" "=g")
                   1151:        (truncate:HI
                   1152:         (match_operand:SI 1 "register_operand" "r")))]
                   1153:   ""
                   1154:   "*
                   1155: {
                   1156:   if (GET_CODE (operands[0]) == MEM)
                   1157:     if (CONSTANT_ADDRESS_P (XEXP (operands[0], 0)))
                   1158:       {
                   1159:        if (! ((cc_prev_status.flags & CC_KNOW_HI_R31)
                   1160:               && (cc_prev_status.flags & CC_HI_R31_ADJ)
                   1161:               && XEXP (operands[0], 0) == cc_prev_status.mdep))
                   1162:          {
                   1163:            cc_status.flags |= CC_KNOW_HI_R31 | CC_HI_R31_ADJ;
                   1164:            cc_status.mdep = XEXP (operands[0], 0);
                   1165:            output_asm_insn (\"orh ha%%%m0,r0,r31\", operands);
                   1166:          }
                   1167:        return \"st.s %1,l%%%m0(r31)\";
                   1168:       }
                   1169:     else
                   1170:       return \"st.s %1,%0\";
                   1171:   return \"mov %1,%0\";
                   1172: }")
                   1173: 
                   1174: ;;- zero extension instructions
                   1175: 
                   1176: ;; Note that the one starting from HImode comes before those for QImode
                   1177: ;; so that a constant operand will match HImode, not QImode.
                   1178: 
                   1179: (define_insn "zero_extendhisi2"
                   1180:   [(set (match_operand:SI 0 "register_operand" "=r")
                   1181:        (zero_extend:SI
                   1182:         (match_operand:HI 1 "register_operand" "r")))]
                   1183:   ""
                   1184:   "and 0xffff,%1,%0")
                   1185: 
                   1186: (define_insn "zero_extendqihi2"
                   1187:   [(set (match_operand:HI 0 "register_operand" "=r")
                   1188:        (zero_extend:HI
                   1189:         (match_operand:QI 1 "register_operand" "r")))]
                   1190:   ""
                   1191:   "and 0xff,%1,%0")
                   1192: 
                   1193: (define_insn "zero_extendqisi2"
                   1194:   [(set (match_operand:SI 0 "register_operand" "=r")
                   1195:        (zero_extend:SI
                   1196:         (match_operand:QI 1 "register_operand" "r")))]
                   1197:   ""
                   1198:   "and 0xff,%1,%0")
                   1199: 
                   1200: ;;- sign extension instructions
                   1201: ;; Note that the one starting from HImode comes before those for QImode
                   1202: ;; so that a constant operand will match HImode, not QImode.
                   1203: 
                   1204: (define_insn "extendhisi2"
                   1205:   [(set (match_operand:SI 0 "register_operand" "=r")
                   1206:        (sign_extend:SI
                   1207:         (match_operand:HI 1 "general_operand" "mr")))]
                   1208:   ""
                   1209:   "*
                   1210: {
                   1211:   if (REG_P (operands[1]))
                   1212:     return \"shl 16,%1,%0\;shra 16,%0,%0\";
                   1213:   if (GET_CODE (operands[1]) == CONST_INT)
                   1214:     abort ();
                   1215:   if (CONSTANT_ADDRESS_P (XEXP (operands[1], 0)))
                   1216:     {
                   1217:       cc_status.flags |= CC_KNOW_HI_R31 | CC_HI_R31_ADJ;
                   1218:       cc_status.mdep = XEXP (operands[1], 0);
                   1219:       return \"orh ha%%%m1,r0,r31\;ld.s l%%%m1(r31),%0\";
                   1220:     }
                   1221:   else
                   1222:     return \"ld.s %1,%0\";
                   1223: }")
                   1224: 
                   1225: (define_insn "extendqihi2"
                   1226:   [(set (match_operand:HI 0 "register_operand" "=r")
                   1227:        (sign_extend:HI
                   1228:         (match_operand:QI 1 "general_operand" "mr")))]
                   1229:   ""
                   1230:   "*
                   1231: {
                   1232:   if (REG_P (operands[1]))
                   1233:     return \"shl 24,%1,%0\;shra 24,%0,%0\";
                   1234:   if (GET_CODE (operands[1]) == CONST_INT)
                   1235:     abort ();
                   1236:   if (CONSTANT_ADDRESS_P (XEXP (operands[1], 0)))
                   1237:     {
                   1238:       cc_status.flags |= CC_KNOW_HI_R31 | CC_HI_R31_ADJ;
                   1239:       cc_status.mdep = XEXP (operands[1], 0);
                   1240:       return \"orh ha%%%m1,r0,r31\;ld.b l%%%m1(r31),%0\";
                   1241:     }
                   1242:   else
                   1243:     return \"ld.b %1,%0\";
                   1244: }")
                   1245: 
                   1246: (define_insn "extendqisi2"
                   1247:   [(set (match_operand:SI 0 "register_operand" "=r")
                   1248:        (sign_extend:SI
                   1249:         (match_operand:QI 1 "general_operand" "mr")))]
                   1250:   ""
                   1251:   "*
                   1252: {
                   1253:   if (REG_P (operands[1]))
                   1254:     return \"shl 24,%1,%0\;shra 24,%0,%0\";
                   1255:   if (GET_CODE (operands[1]) == CONST_INT)
                   1256:     abort ();
                   1257:   if (CONSTANT_ADDRESS_P (XEXP (operands[1], 0)))
                   1258:     {
                   1259:       cc_status.flags |= CC_KNOW_HI_R31 | CC_HI_R31_ADJ;
                   1260:       cc_status.mdep = XEXP (operands[1], 0);
                   1261:       return \"orh ha%%%m1,r0,r31\;ld.b l%%%m1(r31),%0\";
                   1262:     }
                   1263:   else
                   1264:     return \"ld.b %1,%0\";
                   1265: }")
                   1266: 
                   1267: (define_insn ""
                   1268:   [(set (match_operand:SI 0 "register_operand" "=r")
                   1269:        (sign_extend:SI
                   1270:         (match_operand:HI 1 "indexed_operand" "m")))]
                   1271:   ""
                   1272:   "ld.s %1,%0")
                   1273: 
                   1274: (define_insn ""
                   1275:   [(set (match_operand:HI 0 "register_operand" "=r")
                   1276:        (sign_extend:HI
                   1277:         (match_operand:QI 1 "indexed_operand" "m")))]
                   1278:   ""
                   1279:   "ld.b %1,%0")
                   1280: 
                   1281: (define_insn ""
                   1282:   [(set (match_operand:SI 0 "register_operand" "=r")
                   1283:        (sign_extend:SI
                   1284:         (match_operand:QI 1 "indexed_operand" "m")))]
                   1285:   ""
                   1286:   "ld.b %1,%0")
                   1287: 
                   1288: ;; Signed bitfield extractions come out looking like
                   1289: ;;     (shiftrt (sign_extend (shift <Y> <C1>)) <C2>)
                   1290: ;; which we expand poorly as four shift insns.
                   1291: ;; These patters yeild two shifts:
                   1292: ;;     (shiftrt (shift <Y> <C3>) <C4>)
                   1293: (define_insn ""
                   1294:   [(set (match_operand:SI 0 "register_operand" "=r")
                   1295:        (ashiftrt:SI
                   1296:         (sign_extend:SI
                   1297:          (match_operand:QI 1 "register_operand" "r"))
                   1298:         (match_operand:SI 2 "logic_int" "n")))]
                   1299:   ""
                   1300:   "*
                   1301: {
                   1302:   return \"shl 24,%1,%0\;shra 24+%2,%0,%0\";
                   1303: }")
                   1304: 
                   1305: (define_insn ""
                   1306:   [(set (match_operand:SI 0 "register_operand" "=r")
                   1307:        (ashiftrt:SI
                   1308:         (sign_extend:SI
                   1309:          (subreg:QI (ashift:SI (match_operand:SI 1 "register_operand" "r")
                   1310:                                (match_operand:SI 2 "logic_int" "n")) 0))
                   1311:         (match_operand:SI 3 "logic_int" "n")))]
                   1312:   ""
                   1313:   "*
                   1314: {
                   1315:   return \"shl 0x18+%2,%1,%0\;shra 0x18+%3,%0,%0\";
                   1316: }")
                   1317: 
                   1318: (define_insn ""
                   1319:   [(set (match_operand:SI 0 "register_operand" "=r")
                   1320:        (ashiftrt:SI
                   1321:         (sign_extend:SI
                   1322:          (ashift:QI (match_operand:QI 1 "register_operand" "r")
                   1323:                     (match_operand:QI 2 "logic_int" "n")))
                   1324:         (match_operand:SI 3 "logic_int" "n")))]
                   1325:   ""
                   1326:   "*
                   1327: {
                   1328:   return \"shl 0x18+%2,%1,%0\;shra 0x18+%3,%0,%0\";
                   1329: }")
                   1330: 
                   1331: ;; Special patterns for optimizing bit-field instructions.
                   1332: 
                   1333: ;; First two patterns are for bitfields that came from memory
                   1334: ;; testing only the high bit.  They work with old combiner.
                   1335: 
                   1336: (define_insn ""
                   1337:   [(set (cc0)
                   1338:        (eq (zero_extend:SI (subreg:QI (lshiftrt:SI (match_operand:SI 0 "register_operand" "r")
                   1339:                                                    (const_int 7)) 0))
                   1340:            (const_int 0)))]
                   1341:   ""
                   1342:   "and 128,%0,r0")
                   1343: 
                   1344: (define_insn ""
                   1345:   [(set (cc0)
                   1346:        (eq (sign_extend:SI (subreg:QI (ashiftrt:SI (match_operand:SI 0 "register_operand" "r")
                   1347:                                                    (const_int 7)) 0))
                   1348:            (const_int 0)))]
                   1349:   ""
                   1350:   "and 128,%0,r0")
                   1351: 
                   1352: ;; next two patterns are good for bitfields coming from memory
                   1353: ;; (via pseudo-register) or from a register, though this optimization
                   1354: ;; is only good for values contained wholly within the bottom 13 bits
                   1355: (define_insn ""
                   1356:   [(set (cc0)
                   1357:        (eq 
                   1358:         (and:SI (lshiftrt:SI (match_operand:SI 0 "register_operand" "r")
                   1359:                              (match_operand:SI 1 "logic_int" "n"))
                   1360:                 (match_operand:SI 2 "logic_int" "n"))
                   1361:         (const_int 0)))]
                   1362:   "LOGIC_INTVAL (INTVAL (operands[2]) << INTVAL (operands[1]))"
                   1363:   "*
                   1364: {
                   1365:   operands[2] = gen_rtx (CONST_INT, VOIDmode,
                   1366:                         (INTVAL (operands[2]) << INTVAL (operands[1])));
                   1367:   return \"and %2,%0,r0\";
                   1368: }")
                   1369: 
                   1370: (define_insn ""
                   1371:   [(set (cc0)
                   1372:        (eq 
                   1373:         (and:SI (ashiftrt:SI (match_operand:SI 0 "register_operand" "r")
                   1374:                              (match_operand:SI 1 "logic_int" "n"))
                   1375:                 (match_operand:SI 2 "logic_int" "n"))
                   1376:         (const_int 0)))]
                   1377:   "LOGIC_INTVAL (INTVAL (operands[2]) << INTVAL (operands[1]))"
                   1378:   "*
                   1379: {
                   1380:   operands[2] = gen_rtx (CONST_INT, VOIDmode,
                   1381:                         (INTVAL (operands[2]) << INTVAL (operands[1])));
                   1382:   return \"and %2,%0,r0\";
                   1383: }")
                   1384: 
                   1385: ;; Conversions between float and double.
                   1386: 
                   1387: (define_insn "extendsfdf2"
                   1388:   [(set (match_operand:DF 0 "register_operand" "=f")
                   1389:        (float_extend:DF
                   1390:         (match_operand:SF 1 "register_operand" "f")))]
                   1391:   ""
                   1392:   "fmov.sd %1,%0")
                   1393: 
                   1394: (define_insn "truncdfsf2"
                   1395:   [(set (match_operand:SF 0 "register_operand" "=f")
                   1396:        (float_truncate:SF
                   1397:         (match_operand:DF 1 "register_operand" "f")))]
                   1398:   ""
                   1399:   "fmov.ds %1,%0")
                   1400: 
                   1401: ;; Conversion between fixed point and floating point.
                   1402: ;; Note that among the fix-to-float insns
                   1403: ;; the ones that start with SImode come first.
                   1404: ;; That is so that an operand that is a CONST_INT
                   1405: ;; (and therefore lacks a specific machine mode).
                   1406: ;; will be recognized as SImode (which is always valid)
                   1407: ;; rather than as QImode or HImode.
                   1408: 
                   1409: ;; This pattern forces (set (reg:SF ...) (float:SF (const_int ...)))
                   1410: ;; to be reloaded by putting the constant into memory.
                   1411: ;; It must come before the more general floatsisf2 pattern.
                   1412: (define_expand "floatsidf2"
                   1413:   [(set (match_dup 2) (match_dup 3))
                   1414:    (set (match_dup 4) (xor:SI (match_operand:SI 1 "register_operand" "")
                   1415:                              (const_int -2147483648)))
                   1416:    (set (subreg:SI (match_dup 5) 1) (match_dup 4))
                   1417:    (set (subreg:SI (match_dup 5) 0) (subreg:SI (match_dup 2) 0))
                   1418:    (set (match_operand:DF 0 "register_operand" "")
                   1419:        (minus:DF (match_dup 5) (match_dup 2)))]
                   1420:   ""
                   1421:   "
                   1422: {
                   1423:   /* Generate desired value, in float format of host machine.  */
                   1424:   double d = (double) (1 << 30) * ((double) (1 << 22) + (double) (1 << 1));
                   1425:   operands[2] = gen_reg_rtx (DFmode);
                   1426:   operands[3] = immed_double_const (d, DFmode);
                   1427:   operands[4] = gen_reg_rtx (SImode);
                   1428:   operands[5] = gen_reg_rtx (DFmode);
                   1429: }")
                   1430: 
                   1431: ;; Floating to fixed conversion.
                   1432: 
                   1433: (define_expand "fix_truncdfsi2"
                   1434:   ;; This first insn produces a double-word value
                   1435:   ;; in which only the low word is valid.
                   1436:   [(set (match_dup 2)
                   1437:        (fix:DI (fix:DF (match_operand:DF 1 "register_operand" "f"))))
                   1438:    (set (match_operand:SI 0 "register_operand" "=f")
                   1439:        (subreg:SI (match_dup 2) 0))]
                   1440:   ""
                   1441:   "
                   1442: {
                   1443:   operands[2] = gen_reg_rtx (DImode);
                   1444: }")
                   1445: 
                   1446: ;; Recognize the first insn generated above.
                   1447: ;; This RTL looks like a fix_truncdfdi2 insn,
                   1448: ;; but we dont call it that, because only 32 bits
                   1449: ;; of the result are valid.
                   1450: ;; This pattern will work for the intended purposes 
                   1451: ;; as long as we do not have any fixdfdi2 or fix_truncdfdi2.
                   1452: (define_insn ""
                   1453:   [(set (match_operand:DI 0 "register_operand" "=f")
                   1454:        (fix:DI (fix:DF (match_operand:DF 1 "register_operand" "f"))))]
                   1455:   ""
                   1456:   "ftrunc.dd %1,%0")
                   1457: 
                   1458: (define_expand "fix_truncsfsi2"
                   1459:   ;; This first insn produces a double-word value
                   1460:   ;; in which only the low word is valid.
                   1461:   [(set (match_dup 2)
                   1462:        (fix:DI (fix:SF (match_operand:SF 1 "register_operand" "f"))))
                   1463:    (set (match_operand:SI 0 "register_operand" "=f")
                   1464:        (subreg:SI (match_dup 2) 0))]
                   1465:   ""
                   1466:   "
                   1467: {
                   1468:   operands[2] = gen_reg_rtx (DImode);
                   1469: }")
                   1470: 
                   1471: ;; Recognize the first insn generated above.
                   1472: ;; This RTL looks like a fix_truncsfdi2 insn,
                   1473: ;; but we dont call it that, because only 32 bits
                   1474: ;; of the result are valid.
                   1475: ;; This pattern will work for the intended purposes 
                   1476: ;; as long as we do not have any fixsfdi2 or fix_truncsfdi2.
                   1477: (define_insn ""
                   1478:   [(set (match_operand:DI 0 "register_operand" "=f")
                   1479:        (fix:DI (fix:SF (match_operand:SF 1 "register_operand" "f"))))]
                   1480:   ""
                   1481:   "ftrunc.sd %1,%0")
                   1482: 
                   1483: ;;- arithmetic instructions
                   1484: 
                   1485: (define_insn "addsi3"
                   1486:   [(set (match_operand:SI 0 "register_operand" "=r,*f")
                   1487:        (plus:SI (match_operand:SI 1 "nonmemory_operand" "%r,*f")
                   1488:                 (match_operand:SI 2 "nonmemory_operand" "rn,*f")))]
                   1489:   ""
                   1490:   "*
                   1491: {
                   1492:   if (which_alternative == 1)
                   1493:     return \"fiadd.ss %2,%1,%0\";
                   1494:   if (REG_P (operands[2]))
                   1495:     return \"addu %2,%1,%0\";
                   1496:   if (SMALL_INT (operands[2]))
                   1497:     return \"addu %2,%1,%0\";
                   1498:   cc_status.flags &= ~CC_KNOW_HI_R31;
                   1499:   return \"orh h%%%2,r0,r31\;or l%%%2,r31,r31\;addu %1,r31,%0\";
                   1500: }")
                   1501: 
                   1502: (define_insn "adddi3"
                   1503:   [(set (match_operand:DI 0 "register_operand" "=f")
                   1504:        (plus:DI (match_operand:DI 1 "register_operand" "%f")
                   1505:                 (match_operand:DI 2 "register_operand" "f")))]
                   1506:   ""
                   1507:   "fiadd.ss %1,%2,%0")
                   1508: 
                   1509: (define_insn "subsi3"
                   1510:   [(set (match_operand:SI 0 "register_operand" "=r,r,*f")
                   1511:        (minus:SI (match_operand:SI 1 "register_operand" "r,I,*f")
                   1512:                  (match_operand:SI 2 "nonmemory_operand" "rn,r,*f")))]
                   1513:   ""
                   1514:   "*
                   1515: {
                   1516:   if (which_alternative == 2)
                   1517:     return \"fisub.ss %1,%2,%0\";
                   1518:   if (REG_P (operands[2]))
                   1519:     return \"subu %1,%2,%0\";
                   1520:   if (SMALL_INT (operands[2]) && INTVAL (operands[2]) != -0x10000)
                   1521:     {
                   1522:       operands[2] = gen_rtx (CONST_INT, VOIDmode, - INTVAL (operands[2]));
                   1523:       return \"addu %2,%1,%0\";
                   1524:     }
                   1525:   cc_status.flags &= ~CC_KNOW_HI_R31;
                   1526:   return \"orh h%%%2,r0,r31\;or l%%%2,r31,r31\;sub %1,r31,%0\";
                   1527: }")
                   1528: 
                   1529: (define_insn "subdi3"
                   1530:   [(set (match_operand:DI 0 "register_operand" "=f")
                   1531:        (minus:DI (match_operand:DI 1 "register_operand" "%f")
                   1532:                  (match_operand:DI 2 "register_operand" "f")))]
                   1533:   ""
                   1534:   "fisub.ss %1,%2,%0")
                   1535: 
                   1536: (define_expand "mulsi3"
                   1537:   [(set (subreg:SI (match_dup 4) 0) (match_operand:SI 1 "general_operand" ""))
                   1538:    (set (subreg:SI (match_dup 5) 0) (match_operand:SI 2 "general_operand" ""))
                   1539:    (clobber (match_dup 3))
                   1540:    (set (subreg:SI (match_dup 3) 0)
                   1541:        (mult:SI (subreg:SI (match_dup 4) 0) (subreg:SI (match_dup 5) 0)))
                   1542:    (set (match_operand:SI 0 "register_operand" "") (subreg:SI (match_dup 3) 0))]
                   1543:   ""
                   1544:   "
                   1545: {
                   1546:   operands[3] = gen_reg_rtx (DImode);
                   1547:   operands[4] = gen_reg_rtx (DImode);
                   1548:   operands[5] = gen_reg_rtx (DImode);
                   1549: }")
                   1550: 
                   1551: (define_insn ""
                   1552:   [(set (subreg:SI (match_operand:DI 0 "register_operand" "=f") 0)
                   1553:        (mult:SI (subreg:SI (match_operand:DI 1 "register_operand" "f") 0)
                   1554:                 (subreg:SI (match_operand:DI 2 "register_operand" "f") 0)))]
                   1555:   ""
                   1556:   "fmlow.dd %2,%1,%0")
                   1557: 
                   1558: ;;- and instructions (with compliment also)                       
                   1559: (define_insn "andsi3"
                   1560:   [(set (match_operand:SI 0 "register_operand" "=r")
                   1561:        (and:SI (match_operand:SI 1 "nonmemory_operand" "%r")
                   1562:                (match_operand:SI 2 "nonmemory_operand" "rn")))]
                   1563:   ""
                   1564:   "*
                   1565: {
                   1566:   rtx xop[3];
                   1567: 
                   1568:   if (REG_P (operands[2]) || LOGIC_INT (operands[2]))
                   1569:     return \"and %2,%1,%0\";
                   1570:   if ((INTVAL (operands[2]) & 0xffff) == 0)
                   1571:     {
                   1572:       operands[2] = gen_rtx (CONST_INT, VOIDmode, 
                   1573:                             (unsigned) INTVAL (operands[2]) >> 16);
                   1574:       return \"andh %2,%1,%0\";
                   1575:     }
                   1576:   xop[0] = operands[0];
                   1577:   xop[1] = operands[1];
                   1578:   xop[2] = gen_rtx (CONST_INT, VOIDmode, ~(INTVAL (operands[2]) & 0xffff));
                   1579:   output_asm_insn (\"andnot %2,%1,%0\", xop);
                   1580:   operands[2] = gen_rtx (CONST_INT, VOIDmode, 
                   1581:                         ~(unsigned) INTVAL (operands[2]) >> 16);
                   1582:   return \"andnoth %2,%0,%0\";
                   1583: }")
                   1584: 
                   1585: (define_insn "andcbsi3"
                   1586:   [(set (match_operand:SI 0 "register_operand" "=r")
                   1587:        (and:SI (match_operand:SI 1 "register_operand" "r")
                   1588:                (not:SI (match_operand:SI 2 "register_operand" "rn"))))]
                   1589:   ""
                   1590:   "*
                   1591: {
                   1592:   rtx xop[3];
                   1593: 
                   1594:   if (REG_P (operands[2]) || LOGIC_INT (operands[2]))
                   1595:     return \"andnot %2,%1,%0\";
                   1596:   if ((INTVAL (operands[2]) & 0xffff) == 0)
                   1597:     {
                   1598:       operands[2] = gen_rtx (CONST_INT, VOIDmode, 
                   1599:                             (unsigned) INTVAL (operands[2]) >> 16);
                   1600:       return \"andnoth %2,%1,%0\";
                   1601:     }
                   1602:   xop[0] = operands[0];
                   1603:   xop[1] = operands[1];
                   1604:   xop[2] = gen_rtx (CONST_INT, VOIDmode, (INTVAL (operands[2]) & 0xffff));
                   1605:   output_asm_insn (\"andnot %2,%1,%0\", xop);
                   1606:   operands[2] = gen_rtx (CONST_INT, VOIDmode, 
                   1607:                         (unsigned) INTVAL (operands[2]) >> 16);
                   1608:   return \"andnoth %2,%0,%0\";
                   1609: }")
                   1610: 
                   1611: (define_insn "iorsi3"
                   1612:   [(set (match_operand:SI 0 "register_operand" "=r")
                   1613:        (ior:SI (match_operand:SI 1 "nonmemory_operand" "%r")
                   1614:                (match_operand:SI 2 "nonmemory_operand" "rn")))]
                   1615:   ""
                   1616:   "*
                   1617: {
                   1618:   rtx xop[3];
                   1619: 
                   1620:   if (REG_P (operands[2]) || LOGIC_INT (operands[2]))
                   1621:     return \"or %2,%1,%0\";
                   1622:   if ((INTVAL (operands[2]) & 0xffff) == 0)
                   1623:     {
                   1624:       operands[2] = gen_rtx (CONST_INT, VOIDmode, 
                   1625:                             (unsigned) INTVAL (operands[2]) >> 16);
                   1626:       return \"orh %2,%1,%0\";
                   1627:     }
                   1628:   xop[0] = operands[0];
                   1629:   xop[1] = operands[1];
                   1630:   xop[2] = gen_rtx (CONST_INT, VOIDmode, (INTVAL (operands[2]) & 0xffff));
                   1631:   output_asm_insn (\"or %2,%1,%0\", xop);
                   1632:   operands[2] = gen_rtx (CONST_INT, VOIDmode, 
                   1633:                         (unsigned) INTVAL (operands[2]) >> 16);
                   1634:   return \"orh %2,%0,%0\";
                   1635: }")
                   1636: 
                   1637: (define_insn "xorsi3"
                   1638:   [(set (match_operand:SI 0 "register_operand" "=r")
                   1639:        (xor:SI (match_operand:SI 1 "nonmemory_operand" "%r")
                   1640:                (match_operand:SI 2 "nonmemory_operand" "rn")))]
                   1641:   ""
                   1642:   "*
                   1643: {
                   1644:   rtx xop[3];
                   1645: 
                   1646:   if (REG_P (operands[2]) || LOGIC_INT (operands[2]))
                   1647:     return \"xor %2,%1,%0\";
                   1648:   if ((INTVAL (operands[2]) & 0xffff) == 0)
                   1649:     {
                   1650:       operands[2] = gen_rtx (CONST_INT, VOIDmode, 
                   1651:                             (unsigned) INTVAL (operands[2]) >> 16);
                   1652:       return \"xorh %2,%1,%0\";
                   1653:     }
                   1654:   xop[0] = operands[0];
                   1655:   xop[1] = operands[1];
                   1656:   xop[2] = gen_rtx (CONST_INT, VOIDmode, (INTVAL (operands[2]) & 0xffff));
                   1657:   output_asm_insn (\"xor %2,%1,%0\", xop);
                   1658:   operands[2] = gen_rtx (CONST_INT, VOIDmode, 
                   1659:                         (unsigned) INTVAL (operands[2]) >> 16);
                   1660:   return \"xorh %2,%0,%0\";
                   1661: }")
                   1662: 
                   1663: (define_insn "negsi2"
                   1664:   [(set (match_operand:SI 0 "general_operand" "=r")
                   1665:        (neg:SI (match_operand:SI 1 "arith_operand" "rI")))]
                   1666:   ""
                   1667:   "subu r0,%1,%0")
                   1668: 
                   1669: (define_insn "one_cmplsi2"
                   1670:   [(set (match_operand:SI 0 "general_operand" "=r")
                   1671:        (not:SI (match_operand:SI 1 "arith_operand" "r")))]
                   1672:   ""
                   1673:   "subu -1,%1,%0")
                   1674: 
                   1675: ;; Floating point arithmetic instructions.
                   1676: 
                   1677: (define_insn "adddf3"
                   1678:   [(set (match_operand:DF 0 "register_operand" "=f")
                   1679:        (plus:DF (match_operand:DF 1 "register_operand" "f")
                   1680:                 (match_operand:DF 2 "register_operand" "f")))]
                   1681:   ""
                   1682:   "fadd.dd %1,%2,%0")
                   1683: 
                   1684: (define_insn "addsf3"
                   1685:   [(set (match_operand:SF 0 "register_operand" "=f")
                   1686:        (plus:SF (match_operand:SF 1 "register_operand" "f")
                   1687:                 (match_operand:SF 2 "register_operand" "f")))]
                   1688:   ""
                   1689:   "fadd.ss %1,%2,%0")
                   1690: 
                   1691: (define_insn "subdf3"
                   1692:   [(set (match_operand:DF 0 "register_operand" "=f")
                   1693:        (minus:DF (match_operand:DF 1 "register_operand" "f")
                   1694:                  (match_operand:DF 2 "register_operand" "f")))]
                   1695:   ""
                   1696:   "fsub.dd %1,%2,%0")
                   1697: 
                   1698: (define_insn "subsf3"
                   1699:   [(set (match_operand:SF 0 "register_operand" "=f")
                   1700:        (minus:SF (match_operand:SF 1 "register_operand" "f")
                   1701:                  (match_operand:SF 2 "register_operand" "f")))]
                   1702:   ""
                   1703:   "fsub.ss %1,%2,%0")
                   1704: 
                   1705: (define_insn "muldf3"
                   1706:   [(set (match_operand:DF 0 "register_operand" "=f")
                   1707:        (mult:DF (match_operand:DF 1 "register_operand" "f")
                   1708:                 (match_operand:DF 2 "register_operand" "f")))]
                   1709:   ""
                   1710:   "fmul.dd %1,%2,%0")
                   1711: 
                   1712: (define_insn "mulsf3"
                   1713:   [(set (match_operand:SF 0 "register_operand" "=f")
                   1714:        (mult:SF (match_operand:SF 1 "register_operand" "f")
                   1715:                 (match_operand:SF 2 "register_operand" "f")))]
                   1716:   ""
                   1717:   "fmul.ss %1,%2,%0")
                   1718: 
                   1719: (define_insn "negdf2"
                   1720:   [(set (match_operand:DF 0 "register_operand" "=f")
                   1721:        (neg:DF (match_operand:DF 1 "register_operand" "f")))]
                   1722:   ""
                   1723:   "fsub.dd f0,%1,%0")
                   1724: 
                   1725: (define_insn "negsf2"
                   1726:   [(set (match_operand:SF 0 "register_operand" "=f")
                   1727:        (neg:SF (match_operand:SF 1 "register_operand" "f")))]
                   1728:   ""
                   1729:   "fsub.ss f0,%1,%0")
                   1730: 
                   1731: ;; Shift instructions
                   1732: 
                   1733: ;; Optimized special case of shifting.
                   1734: ;; Must precede the general case.
                   1735: 
                   1736: (define_insn ""
                   1737:   [(set (match_operand:SI 0 "register_operand" "=r")
                   1738:        (ashiftrt:SI (match_operand:SI 1 "memory_operand" "m")
                   1739:                     (const_int 24)))]
                   1740:   ""
                   1741:   "*
                   1742: {
                   1743:   if (CONSTANT_ADDRESS_P (XEXP (operands[1], 0)))
                   1744:     {
                   1745:       cc_status.flags |= CC_KNOW_HI_R31 | CC_HI_R31_ADJ;
                   1746:       cc_status.mdep = XEXP (operands[1], 0);
                   1747:       return \"orh ha%%%m1,r0,r31\;ld.b l%%%m1(r31),%0\";
                   1748:     }
                   1749:   return \"ld.b %1,%0\";
                   1750: }")
                   1751: 
                   1752: 
                   1753: ;;- arithmetic shift instructions
                   1754: (define_insn "ashlsi3"
                   1755:   [(set (match_operand:SI 0 "register_operand" "=r")
                   1756:        (ashift:SI (match_operand:SI 1 "register_operand" "r")
                   1757:                   (match_operand:SI 2 "nonmemory_operand" "rn")))]
                   1758:   ""
                   1759:   "*
                   1760: {
                   1761:   if (GET_CODE (operands[2]) == CONST_INT
                   1762:       && INTVAL (operands[2]) >= 32)
                   1763:     return \"mov r0,%0\";
                   1764:   return \"shl %2,%1,%0\";
                   1765: }")
                   1766: 
                   1767: (define_insn "ashlhi3"
                   1768:   [(set (match_operand:HI 0 "register_operand" "=r")
                   1769:        (ashift:HI (match_operand:HI 1 "register_operand" "r")
                   1770:                   (match_operand:HI 2 "nonmemory_operand" "rn")))]
                   1771:   ""
                   1772:   "*
                   1773: {
                   1774:   if (GET_CODE (operands[2]) == CONST_INT
                   1775:       && INTVAL (operands[2]) >= 16)
                   1776:     return \"mov r0,%0\";
                   1777:   return \"shl %2,%1,%0\";
                   1778: }")
                   1779: 
                   1780: (define_insn "ashlqi3"
                   1781:   [(set (match_operand:QI 0 "register_operand" "=r")
                   1782:        (ashift:QI (match_operand:QI 1 "register_operand" "r")
                   1783:                   (match_operand:QI 2 "nonmemory_operand" "rn")))]
                   1784:   ""
                   1785:   "*
                   1786: {
                   1787:   if (GET_CODE (operands[2]) == CONST_INT
                   1788:       && INTVAL (operands[2]) >= 8)
                   1789:     return \"mov r0,%0\";
                   1790:   return \"shl %2,%1,%0\";
                   1791: }")
                   1792: 
                   1793: (define_insn "ashrsi3"
                   1794:   [(set (match_operand:SI 0 "register_operand" "=r")
                   1795:        (ashiftrt:SI (match_operand:SI 1 "register_operand" "r")
                   1796:                     (match_operand:SI 2 "nonmemory_operand" "rn")))]
                   1797:   ""
                   1798:   "*
                   1799: {
                   1800:   if (GET_CODE (operands[2]) == CONST_INT
                   1801:       && INTVAL (operands[2]) >= 32)
                   1802:     return \"shra 31,%1,%0\";
                   1803:   return \"shra %2,%1,%0\";
                   1804: }")
                   1805: 
                   1806: (define_insn "lshrsi3"
                   1807:   [(set (match_operand:SI 0 "register_operand" "=r")
                   1808:        (lshiftrt:SI (match_operand:SI 1 "register_operand" "r")
                   1809:                     (match_operand:SI 2 "nonmemory_operand" "rn")))]
                   1810:   ""
                   1811:   "*
                   1812: {
                   1813:   if (GET_CODE (operands[2]) == CONST_INT
                   1814:       && INTVAL (operands[2]) >= 32)
                   1815:     return \"mov r0,%0\";
                   1816:   return \"shr %2,%1,%0\";
                   1817: }")
                   1818: 
                   1819: ;; Unconditional and other jump instructions
                   1820: 
                   1821: (define_insn "jump"
                   1822:   [(set (pc) (label_ref (match_operand 0 "" "")))]
                   1823:   ""
                   1824:   "*
                   1825: {
                   1826:   return \"br %l0\;nop\";
                   1827: }")
                   1828: 
                   1829: ;; Here are two simple peepholes which fill the delay slot of
                   1830: ;; an unconditional branch.
                   1831: 
                   1832: (define_peephole
                   1833:   [(set (match_operand:SI 0 "register_operand" "=rf")
                   1834:        (match_operand:SI 1 "single_insn_src_p" "p"))
                   1835:    (set (pc) (label_ref (match_operand 2 "" "")))]
                   1836:   ""
                   1837:   "* return output_delayed_branch (\"br %l2\", operands, insn);")
                   1838: 
                   1839: (define_peephole
                   1840:   [(set (match_operand:SI 0 "memory_operand" "=m")
                   1841:        (match_operand:SI 1 "reg_or_0_operand" "rfJ"))
                   1842:    (set (pc) (label_ref (match_operand 2 "" "")))]
                   1843:   ""
                   1844:   "* return output_delayed_branch (\"br %l2\", operands, insn);")
                   1845: 
                   1846: (define_insn "tablejump"
                   1847:   [(set (pc) (match_operand:SI 0 "register_operand" "r"))
                   1848:    (use (label_ref (match_operand 1 "" "")))]
                   1849:   ""
                   1850:   "bri %0\;nop")
                   1851: 
                   1852: (define_peephole
                   1853:   [(set (match_operand:SI 0 "memory_operand" "=m")
                   1854:        (match_operand:SI 1 "reg_or_0_operand" "rfJ"))
                   1855:    (set (pc) (match_operand:SI 2 "register_operand" "r"))
                   1856:    (use (label_ref (match_operand 3 "" "")))]
                   1857:   ""
                   1858:   "* return output_delayed_branch (\"bri %2\", operands, insn);")
                   1859: 
                   1860: ;;- jump to subroutine
                   1861: (define_expand "call"
                   1862:   [(call (match_operand:SI 0 "memory_operand" "m")
                   1863:         (match_operand 1 "" "i"))]
                   1864:   ;; operand[2] is next_arg_register
                   1865:   ""
                   1866:   "
                   1867: {
                   1868:   if (INTVAL (operands[1]) > 0)
                   1869:     {
                   1870:       emit_move_insn (arg_pointer_rtx, stack_pointer_rtx);
                   1871:       emit_insn (gen_rtx (USE, VOIDmode, arg_pointer_rtx));
                   1872:     }
                   1873: }")
                   1874: 
                   1875: ;;- jump to subroutine
                   1876: (define_insn ""
                   1877:   [(call (match_operand:SI 0 "memory_operand" "m")
                   1878:         (match_operand 1 "" "i"))]
                   1879:   ;; operand[2] is next_arg_register
                   1880:   ""
                   1881:   "*
                   1882: {
                   1883:   /* strip the MEM.  */
                   1884:   operands[0] = XEXP (operands[0], 0);
                   1885:   CC_STATUS_INIT;
                   1886:   if (GET_CODE (operands[0]) == REG)
                   1887:     return \"calli %0\;nop\";
                   1888:   return \"call %0\;nop\";
                   1889: }")
                   1890: 
                   1891: (define_peephole
                   1892:   [(set (match_operand:SI 0 "register_operand" "=rf")
                   1893:        (match_operand:SI 1 "single_insn_src_p" "p"))
                   1894:    (call (match_operand:SI 2 "memory_operand" "m")
                   1895:         (match_operand 3 "" "i"))]
                   1896:   ;;- Don't use operand 1 for most machines.
                   1897:   "! reg_mentioned_p (operands[0], operands[2])"
                   1898:   "*
                   1899: {
                   1900:   /* strip the MEM.  */
                   1901:   operands[2] = XEXP (operands[2], 0);
                   1902:   if (GET_CODE (operands[2]) == REG)
                   1903:     return output_delayed_branch (\"calli %2\", operands, insn);
                   1904:   return output_delayed_branch (\"call %2\", operands, insn);
                   1905: }")
                   1906: 
                   1907: (define_peephole
                   1908:   [(set (match_operand:SI 0 "memory_operand" "=m")
                   1909:        (match_operand:SI 1 "reg_or_0_operand" "rfJ"))
                   1910:    (call (match_operand:SI 2 "memory_operand" "m")
                   1911:         (match_operand 3 "" "i"))]
                   1912:   ;;- Don't use operand 1 for most machines.
                   1913:   ""
                   1914:   "*
                   1915: {
                   1916:   /* strip the MEM.  */
                   1917:   operands[2] = XEXP (operands[2], 0);
                   1918:   if (GET_CODE (operands[2]) == REG)
                   1919:     return output_delayed_branch (\"calli %2\", operands, insn);
                   1920:   return output_delayed_branch (\"call %2\", operands, insn);
                   1921: }")
                   1922: 
                   1923: (define_expand "call_value"
                   1924:   [(set (match_operand 0 "register_operand" "rf")
                   1925:        (call (match_operand:SI 1 "memory_operand" "m")
                   1926:              (match_operand 2 "" "i")))]
                   1927:   ;; operand 3 is next_arg_register
                   1928:   ""
                   1929:   "
                   1930: {
                   1931:   if (INTVAL (operands[2]) > 0)
                   1932:     {
                   1933:       emit_move_insn (arg_pointer_rtx, stack_pointer_rtx);
                   1934:       emit_insn (gen_rtx (USE, VOIDmode, arg_pointer_rtx));
                   1935:     }
                   1936: }")
                   1937: 
                   1938: (define_insn ""
                   1939:   [(set (match_operand 0 "register_operand" "=rf")
                   1940:        (call (match_operand:SI 1 "memory_operand" "m")
                   1941:              (match_operand 2 "" "i")))]
                   1942:   ;; operand 3 is next_arg_register
                   1943:   ""
                   1944:   "*
                   1945: {
                   1946:   /* strip the MEM.  */
                   1947:   operands[1] = XEXP (operands[1], 0);
                   1948:   CC_STATUS_INIT;
                   1949:   if (GET_CODE (operands[1]) == REG)
                   1950:     return \"calli %1\;nop\";
                   1951:   return \"call %1\;nop\";
                   1952: }")
                   1953: 
                   1954: (define_peephole
                   1955:   [(set (match_operand:SI 0 "register_operand" "=rf")
                   1956:        (match_operand:SI 1 "single_insn_src_p" "p"))
                   1957:    (set (match_operand 2 "" "=rf")
                   1958:        (call (match_operand:SI 3 "memory_operand" "m")
                   1959:              (match_operand 4 "" "i")))]
                   1960:   ;;- Don't use operand 4 for most machines.
                   1961:   "! reg_mentioned_p (operands[0], operands[3])"
                   1962:   "*
                   1963: {
                   1964:   /* strip the MEM.  */
                   1965:   operands[3] = XEXP (operands[3], 0);
                   1966:   if (GET_CODE (operands[3]) == REG)
                   1967:     return output_delayed_branch (\"calli %3\", operands, insn);
                   1968:   return output_delayed_branch (\"call %3\", operands, insn);
                   1969: }")
                   1970: 
                   1971: (define_peephole
                   1972:   [(set (match_operand:SI 0 "memory_operand" "=m")
                   1973:        (match_operand:SI 1 "reg_or_0_operand" "rJf"))
                   1974:    (set (match_operand 2 "" "=rf")
                   1975:        (call (match_operand:SI 3 "memory_operand" "m")
                   1976:              (match_operand 4 "" "i")))]
                   1977:   ;;- Don't use operand 4 for most machines.
                   1978:   ""
                   1979:   "*
                   1980: {
                   1981:   /* strip the MEM.  */
                   1982:   operands[3] = XEXP (operands[3], 0);
                   1983:   if (GET_CODE (operands[3]) == REG)
                   1984:     return output_delayed_branch (\"calli %3\", operands, insn);
                   1985:   return output_delayed_branch (\"call %3\", operands, insn);
                   1986: }")
                   1987: 
                   1988: (define_insn "nop"
                   1989:   [(const_int 0)]
                   1990:   ""
                   1991:   "nop")
                   1992: 
                   1993: (define_insn ""
                   1994:   [(set (match_operand:SI 0 "register_operand" "r")
                   1995:        (mem:SI (plus:SI (match_operand:SI 1 "register_operand" "r")
                   1996:                         (label_ref (match_operand 2 "" "")))))]
                   1997:   ""
                   1998:   "*
                   1999: {
                   2000:   cc_status.flags = 0;
                   2001:   return \"mov %l2,r31\;ld.l r31(%1),%0\";
                   2002: }")
                   2003:   
                   2004: (define_peephole
                   2005:   [(set (match_operand:SI 0 "register_operand" "=rf")
                   2006:        (match_operand:SI 1 "single_insn_src_p" "p"))
                   2007:    (set (pc) (match_operand:SI 2 "register_operand" "r"))
                   2008:    (use (label_ref (match_operand 3 "" "")))]
                   2009:   "REGNO (operands[0]) != REGNO (operands[2])"
                   2010:   "* return output_delayed_branch (\"bri %2\", operands, insn);")
                   2011: 
                   2012: ;;- Local variables:
                   2013: ;;- mode:emacs-lisp
                   2014: ;;- comment-start: ";;- "
                   2015: ;;- eval: (set-syntax-table (copy-sequence (syntax-table)))
                   2016: ;;- eval: (modify-syntax-entry ?[ "(]")
                   2017: ;;- eval: (modify-syntax-entry ?] ")[")
                   2018: ;;- eval: (modify-syntax-entry ?{ "(}")
                   2019: ;;- eval: (modify-syntax-entry ?} "){")
                   2020: ;;- End:
                   2021: 

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