Annotation of gcc/config/spur.md, revision 1.1

1.1     ! root        1: ;;- Machine description for SPUR chip for GNU C compiler
        !             2: ;;   Copyright (C) 1988 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: ;; Compare instructions.
        !            29: ;; This pattern is used for generating an "insn"
        !            30: ;; which does just a compare and sets a (fictitious) condition code.
        !            31: 
        !            32: ;; The actual SPUR insns are compare-and-conditional-jump.
        !            33: ;; The define_peephole's below recognize the combinations of
        !            34: ;; compares and jumps, and output each pair as a single assembler insn.
        !            35: 
        !            36: ;; Put cmpsi first among compare insns so it matches two CONST_INT operands.
        !            37: 
        !            38: ;; This controls RTL generation and register allocation.
        !            39: (define_insn "cmpsi"
        !            40:   [(set (cc0)
        !            41:        (compare (match_operand:SI 0 "nonmemory_operand" "rK")
        !            42:                 (match_operand:SI 1 "nonmemory_operand" "rK")))]
        !            43:   ""
        !            44:   "*
        !            45: {
        !            46:   cc_status.value1 = operands[0], cc_status.value2 = operands[1];
        !            47:   return \"\";
        !            48: }")
        !            49: 
        !            50: ;; Put tstsi first among test insns so it matches a CONST_INT operand.
        !            51: 
        !            52: ;; We have to have this because cse can optimize the previous pattern
        !            53: ;; into this one.
        !            54: 
        !            55: (define_insn "tstsi"
        !            56:   [(set (cc0)
        !            57:        (match_operand:SI 0 "register_operand" "r"))]
        !            58:   ""
        !            59:   "*
        !            60: {
        !            61:   cc_status.value1 = operands[0], cc_status.value2 = const0_rtx;
        !            62:   return \"\";
        !            63: }")
        !            64: 
        !            65: 
        !            66: ;; These control RTL generation for conditional jump insns
        !            67: ;; and match them for register allocation.
        !            68: 
        !            69: (define_insn "beq"
        !            70:   [(set (pc)
        !            71:        (if_then_else (eq (cc0)
        !            72:                          (const_int 0))
        !            73:                      (label_ref (match_operand 0 "" ""))
        !            74:                      (pc)))]
        !            75:   ""
        !            76:   "* return output_compare (operands, \"eq\", \"eq\", \"ne\", \"ne\"); ")
        !            77: 
        !            78: (define_insn "bne"
        !            79:   [(set (pc)
        !            80:        (if_then_else (ne (cc0)
        !            81:                          (const_int 0))
        !            82:                      (label_ref (match_operand 0 "" ""))
        !            83:                      (pc)))]
        !            84:   ""
        !            85:   "* return output_compare (operands, \"ne\", \"ne\", \"eq\", \"eq\"); ")
        !            86: 
        !            87: (define_insn "bgt"
        !            88:   [(set (pc)
        !            89:        (if_then_else (gt (cc0)
        !            90:                          (const_int 0))
        !            91:                      (label_ref (match_operand 0 "" ""))
        !            92:                      (pc)))]
        !            93:   ""
        !            94:   "* return output_compare (operands, \"gt\", \"lt\", \"le\", \"ge\"); ")
        !            95: 
        !            96: (define_insn "bgtu"
        !            97:   [(set (pc)
        !            98:        (if_then_else (gtu (cc0)
        !            99:                           (const_int 0))
        !           100:                      (label_ref (match_operand 0 "" ""))
        !           101:                      (pc)))]
        !           102:   ""
        !           103:   "* return output_compare (operands, \"ugt\", \"ult\", \"ule\", \"uge\"); ")
        !           104: 
        !           105: (define_insn "blt"
        !           106:   [(set (pc)
        !           107:        (if_then_else (lt (cc0)
        !           108:                          (const_int 0))
        !           109:                      (label_ref (match_operand 0 "" ""))
        !           110:                      (pc)))]
        !           111:   ""
        !           112:   "* return output_compare (operands, \"lt\", \"gt\", \"ge\", \"le\"); ")
        !           113: 
        !           114: (define_insn "bltu"
        !           115:   [(set (pc)
        !           116:        (if_then_else (ltu (cc0)
        !           117:                           (const_int 0))
        !           118:                      (label_ref (match_operand 0 "" ""))
        !           119:                      (pc)))]
        !           120:   ""
        !           121:   "* return output_compare (operands, \"ult\", \"ugt\", \"uge\", \"ule\"); ")
        !           122: 
        !           123: (define_insn "bge"
        !           124:   [(set (pc)
        !           125:        (if_then_else (ge (cc0)
        !           126:                          (const_int 0))
        !           127:                      (label_ref (match_operand 0 "" ""))
        !           128:                      (pc)))]
        !           129:   ""
        !           130:   "* return output_compare (operands, \"ge\", \"le\", \"lt\", \"gt\"); ")
        !           131: 
        !           132: (define_insn "bgeu"
        !           133:   [(set (pc)
        !           134:        (if_then_else (geu (cc0)
        !           135:                           (const_int 0))
        !           136:                      (label_ref (match_operand 0 "" ""))
        !           137:                      (pc)))]
        !           138:   ""
        !           139:   "* return output_compare (operands, \"uge\", \"ule\", \"ult\", \"ugt\"); ")
        !           140: 
        !           141: (define_insn "ble"
        !           142:   [(set (pc)
        !           143:        (if_then_else (le (cc0)
        !           144:                          (const_int 0))
        !           145:                      (label_ref (match_operand 0 "" ""))
        !           146:                      (pc)))]
        !           147:   ""
        !           148:   "* return output_compare (operands, \"le\", \"ge\", \"gt\", \"lt\"); ")
        !           149: 
        !           150: (define_insn "bleu"
        !           151:   [(set (pc)
        !           152:        (if_then_else (leu (cc0)
        !           153:                           (const_int 0))
        !           154:                      (label_ref (match_operand 0 "" ""))
        !           155:                      (pc)))]
        !           156:   ""
        !           157:   "* return output_compare (operands, \"ule\", \"uge\", \"ugt\", \"ult\"); ")
        !           158: 
        !           159: ;; These match inverted jump insns for register allocation.
        !           160: 
        !           161: (define_insn ""
        !           162:   [(set (pc)
        !           163:        (if_then_else (eq (cc0)
        !           164:                          (const_int 0))
        !           165:                      (pc)
        !           166:                      (label_ref (match_operand 0 "" ""))))]
        !           167:   ""
        !           168:   "* return output_compare (operands, \"ne\", \"ne\", \"eq\", \"eq\"); ")
        !           169: 
        !           170: (define_insn ""
        !           171:   [(set (pc)
        !           172:        (if_then_else (ne (cc0)
        !           173:                          (const_int 0))
        !           174:                      (pc)
        !           175:                      (label_ref (match_operand 0 "" ""))))]
        !           176:   ""
        !           177:   "* return output_compare (operands, \"eq\", \"eq\", \"ne\", \"ne\"); ")
        !           178: 
        !           179: (define_insn ""
        !           180:   [(set (pc)
        !           181:        (if_then_else (gt (cc0)
        !           182:                          (const_int 0))
        !           183:                      (pc)
        !           184:                      (label_ref (match_operand 0 "" ""))))]
        !           185:   ""
        !           186:   "* return output_compare (operands, \"le\", \"ge\", \"gt\", \"lt\"); ")
        !           187: 
        !           188: (define_insn ""
        !           189:   [(set (pc)
        !           190:        (if_then_else (gtu (cc0)
        !           191:                           (const_int 0))
        !           192:                      (pc)
        !           193:                      (label_ref (match_operand 0 "" ""))))]
        !           194:   ""
        !           195:   "* return output_compare (operands, \"ule\", \"uge\", \"ugt\", \"ult\"); ")
        !           196: 
        !           197: (define_insn ""
        !           198:   [(set (pc)
        !           199:        (if_then_else (lt (cc0)
        !           200:                          (const_int 0))
        !           201:                      (pc)
        !           202:                      (label_ref (match_operand 0 "" ""))))]
        !           203:   ""
        !           204:   "* return output_compare (operands, \"ge\", \"le\", \"lt\", \"gt\"); ")
        !           205: 
        !           206: (define_insn ""
        !           207:   [(set (pc)
        !           208:        (if_then_else (ltu (cc0)
        !           209:                           (const_int 0))
        !           210:                      (pc)
        !           211:                      (label_ref (match_operand 0 "" ""))))]
        !           212:   ""
        !           213:   "* return output_compare (operands, \"uge\", \"ule\", \"ult\", \"ugt\"); ")
        !           214: 
        !           215: (define_insn ""
        !           216:   [(set (pc)
        !           217:        (if_then_else (ge (cc0)
        !           218:                          (const_int 0))
        !           219:                      (pc)
        !           220:                      (label_ref (match_operand 0 "" ""))))]
        !           221:   ""
        !           222:   "* return output_compare (operands, \"lt\", \"gt\", \"ge\", \"le\"); ")
        !           223: 
        !           224: (define_insn ""
        !           225:   [(set (pc)
        !           226:        (if_then_else (geu (cc0)
        !           227:                           (const_int 0))
        !           228:                      (pc)
        !           229:                      (label_ref (match_operand 0 "" ""))))]
        !           230:   ""
        !           231:   "* return output_compare (operands, \"ult\", \"ugt\", \"uge\", \"ule\"); ")
        !           232: 
        !           233: (define_insn ""
        !           234:   [(set (pc)
        !           235:        (if_then_else (le (cc0)
        !           236:                          (const_int 0))
        !           237:                      (pc)
        !           238:                      (label_ref (match_operand 0 "" ""))))]
        !           239:   ""
        !           240:   "* return output_compare (operands, \"gt\", \"lt\", \"le\", \"ge\"); ")
        !           241: 
        !           242: (define_insn ""
        !           243:   [(set (pc)
        !           244:        (if_then_else (leu (cc0)
        !           245:                           (const_int 0))
        !           246:                      (pc)
        !           247:                      (label_ref (match_operand 0 "" ""))))]
        !           248:   ""
        !           249:   "* return output_compare (operands, \"ugt\", \"ult\", \"ule\", \"uge\"); ")
        !           250: 
        !           251: ;; Move instructions
        !           252: 
        !           253: (define_insn "movsi"
        !           254:   [(set (match_operand:SI 0 "general_operand" "=r,m")
        !           255:        (match_operand:SI 1 "general_operand" "rmi,rJ"))]
        !           256:   ""
        !           257:   "*
        !           258: {
        !           259:   if (GET_CODE (operands[0]) == MEM)
        !           260:     return \"st_32 %r1,%0\";
        !           261:   if (GET_CODE (operands[1]) == MEM)
        !           262:     return \"ld_32 %0,%1\;nop\";
        !           263:   if (GET_CODE (operands[1]) == REG)
        !           264:     return \"add_nt %0,%1,$0\";
        !           265:   if (GET_CODE (operands[1]) == SYMBOL_REF && operands[1]->unchanging)
        !           266:     return \"add_nt %0,r24,$(%1-0b)\";
        !           267:   return \"add_nt %0,r0,%1\";
        !           268: }")
        !           269: 
        !           270: (define_insn ""
        !           271:   [(set (match_operand:SI 0 "register_operand" "=r")
        !           272:        (mem:SI (plus:SI (match_operand:SI 1 "register_operand" "r")
        !           273:                         (match_operand:SI 2 "register_operand" "r"))))]
        !           274:   ""
        !           275:   "ld_32 %0,%1,%2\;nop")
        !           276: 
        !           277: ;; Generate insns for moving single bytes.
        !           278: 
        !           279: (define_expand "movqi"
        !           280:   [(set (match_operand:QI 0 "general_operand" "")
        !           281:        (match_operand:QI 1 "general_operand" ""))]
        !           282:   ""
        !           283:   "
        !           284: {
        !           285:   if (GET_CODE (operands[0]) == MEM && GET_CODE (operands[1]) == MEM)
        !           286:     operands[1] = copy_to_reg (operands[1]);
        !           287: 
        !           288:   if (GET_CODE (operands[1]) == MEM)
        !           289:     {
        !           290:       rtx tem = gen_reg_rtx (SImode);
        !           291:       rtx addr = force_reg (SImode, XEXP (operands[1], 0));
        !           292:       rtx subreg;
        !           293: 
        !           294:       emit_move_insn (tem, gen_rtx (MEM, SImode, addr));
        !           295:       if (GET_CODE (operands[0]) == SUBREG)
        !           296:        subreg = gen_rtx (SUBREG, SImode, SUBREG_REG (operands[0]),
        !           297:                          SUBREG_WORD (operands[0]));
        !           298:       else
        !           299:        subreg = gen_rtx (SUBREG, SImode, operands[0], 0);
        !           300: 
        !           301:       emit_insn (gen_rtx (SET, VOIDmode, subreg,
        !           302:                          gen_rtx (ZERO_EXTRACT, SImode, tem,
        !           303:                                   gen_rtx (CONST_INT, VOIDmode, 8),
        !           304:                                   addr)));
        !           305:     }
        !           306:   else if (GET_CODE (operands[0]) == MEM)
        !           307:     {
        !           308:       rtx tem = gen_reg_rtx (SImode);
        !           309:       rtx addr = force_reg (SImode, XEXP (operands[0], 0));
        !           310:       rtx subreg;
        !           311: 
        !           312:       emit_move_insn (tem, gen_rtx (MEM, SImode, addr));
        !           313:       if (! CONSTANT_ADDRESS_P (operands[1]))
        !           314:        {
        !           315:          if (GET_CODE (operands[1]) == SUBREG)
        !           316:            subreg = gen_rtx (SUBREG, SImode, SUBREG_REG (operands[1]),
        !           317:                              SUBREG_WORD (operands[1]));
        !           318:          else
        !           319:            subreg = gen_rtx (SUBREG, SImode, operands[1], 0);
        !           320:        }
        !           321: 
        !           322:       emit_insn (gen_rtx (SET, VOIDmode,
        !           323:                          gen_rtx (ZERO_EXTRACT, SImode, tem,
        !           324:                                   gen_rtx (CONST_INT, VOIDmode, 8),
        !           325:                                   addr),
        !           326:                          subreg));
        !           327:       emit_move_insn (gen_rtx (MEM, SImode, addr), tem);
        !           328:     }
        !           329:   else
        !           330:     {
        !           331:       emit_insn (gen_rtx (SET, VOIDmode, operands[0], operands[1]));
        !           332:     }
        !           333:   DONE;
        !           334: }")
        !           335: 
        !           336: ;; Recognize insns generated for moving single bytes.
        !           337: 
        !           338: (define_insn ""
        !           339:   [(set (match_operand:QI 0 "general_operand" "=r,m")
        !           340:        (match_operand:QI 1 "general_operand" "rmi,r"))]
        !           341:   ""
        !           342:   "*
        !           343: {
        !           344:   if (GET_CODE (operands[0]) == MEM)
        !           345:     return \"st_32 %1,%0\";
        !           346:   if (GET_CODE (operands[1]) == MEM)
        !           347:     return \"ld_32 %0,%1\;nop\";
        !           348:   if (GET_CODE (operands[1]) == REG)
        !           349:     return \"add_nt %0,%1,$0\";
        !           350:   return \"add_nt %0,r0,%1\";
        !           351: }")
        !           352: 
        !           353: (define_insn ""
        !           354:   [(set (match_operand:SI 0 "register_operand" "=r")
        !           355:        (zero_extract:SI (match_operand:SI 1 "register_operand" "r")
        !           356:                         (const_int 8)
        !           357:                         (match_operand:SI 2 "nonmemory_operand" "rI")))]
        !           358:   ""
        !           359:   "extract %0,%1,%2")
        !           360: 
        !           361: (define_insn ""
        !           362:   [(set (zero_extract:SI (match_operand:SI 0 "register_operand" "+r")
        !           363:                         (const_int 8)
        !           364:                         (match_operand:SI 1 "nonmemory_operand" "rI"))
        !           365:        (match_operand:SI 2 "nonmemory_operand" "ri"))]
        !           366:   ""
        !           367:   "wr_insert %1\;insert %0,%0,%2")
        !           368: 
        !           369: ;; Constant propagation can optimize the previous pattern into this pattern.
        !           370: ;[Not any more.  It could when the position-operand contains a MULT.]
        !           371: 
        !           372: ;(define_insn ""
        !           373: ;  [(set (zero_extract:QI (match_operand:SI 0 "register_operand" "+r")
        !           374: ;                       (const_int 8)
        !           375: ;                       (match_operand:SI 1 "immediate_operand" "I"))
        !           376: ;      (match_operand:QI 2 "register_operand" "r"))]
        !           377: ;  "GET_CODE (operands[1]) == CONST_INT
        !           378: ;   && INTVAL (operands[1]) % 8 == 0
        !           379: ;   && (unsigned) INTVAL (operands[1]) < 32"
        !           380: ;  "*
        !           381: ;{
        !           382: ;  operands[1] = gen_rtx (CONST_INT, VOIDmode, INTVAL (operands[1]) / 8);
        !           383: ;  return \"wr_insert 0,0,%1\;insert %0,%0,%2\";
        !           384: ;}")
        !           385: 
        !           386: ;; The three define_expand patterns on this page
        !           387: ;; serve as subroutines of "movhi".
        !           388: 
        !           389: ;; Generate code to fetch an aligned halfword from memory.
        !           390: ;; Operand 0 is the destination register (HImode).
        !           391: ;; Operand 1 is the memory address (SImode).
        !           392: ;; Operand 2 is a temporary (SImode).
        !           393: ;; Operand 3 is a temporary (SImode).
        !           394: ;; Operand 4 is a temporary (QImode).
        !           395: 
        !           396: ;; Operand 5 is an internal temporary (HImode).
        !           397: 
        !           398: (define_expand "loadhi"
        !           399:   [(set (match_operand:SI 2 "register_operand" "")
        !           400:        (mem:SI (match_operand:SI 1 "register_operand" "")))
        !           401:    ;; Extract the low byte.
        !           402:    (set (subreg:SI (match_dup 5) 0)
        !           403:        (zero_extract:SI (match_dup 2) (const_int 8) (match_dup 1)))
        !           404:    ;; Form address of high byte.
        !           405:    (set (match_operand:SI 3 "register_operand" "")
        !           406:        (plus:SI (match_dup 1) (const_int 1)))
        !           407:    ;; Extract the high byte.
        !           408:    (set (subreg:SI (match_operand:QI 4 "register_operand" "") 0)
        !           409:        (zero_extract:SI (match_dup 2) (const_int 8) (match_dup 3)))
        !           410:    ;; Put the high byte in with the low one.
        !           411:    (set (zero_extract:SI (match_dup 5) (const_int 8) (const_int 1))
        !           412:        (subreg:SI (match_dup 4) 0))
        !           413:    (set (match_operand:HI 0 "register_operand" "") (match_dup 5))]
        !           414:   ""
        !           415:   "operands[5] = gen_reg_rtx (HImode);")
        !           416: 
        !           417: ;; Generate code to store an aligned halfword into memory.
        !           418: ;; Operand 0 is the destination address (SImode).
        !           419: ;; Operand 1 is the source register (HImode, not constant).
        !           420: ;; Operand 2 is a temporary (SImode).
        !           421: ;; Operand 3 is a temporary (SImode).
        !           422: ;; Operand 4 is a temporary (QImode).
        !           423: 
        !           424: ;; Operand 5 is an internal variable made from operand 1.
        !           425: 
        !           426: (define_expand "storehi"
        !           427:   [(set (match_operand:SI 2 "register_operand" "")
        !           428:        (mem:SI (match_operand:SI 0 "register_operand" "")))
        !           429:    ;; Insert the low byte.
        !           430:    (set (zero_extract:SI (match_dup 2) (const_int 8) (match_dup 0))
        !           431:        (match_dup 5))
        !           432:    ;; Form address of high byte.
        !           433:    (set (match_operand:SI 3 "register_operand" "")
        !           434:        (plus:SI (match_dup 0) (const_int 1)))
        !           435:    ;; Extract the high byte from the source.
        !           436:    (set (subreg:SI (match_operand:QI 4 "register_operand" "") 0)
        !           437:        (zero_extract:SI (match_operand:HI 1 "register_operand" "")
        !           438:                         (const_int 8) (const_int 1)))
        !           439:    ;; Store high byte into the memory word
        !           440:    (set (zero_extract:SI (match_dup 2) (const_int 8) (match_dup 3))
        !           441:        (subreg:SI (match_dup 4) 0))
        !           442:    ;; Put memory word back into memory.
        !           443:    (set (mem:SI (match_dup 0))
        !           444:        (match_dup 2))]
        !           445:   ""
        !           446:   "
        !           447: {
        !           448:   if (GET_CODE (operands[1]) == SUBREG)
        !           449:     operands[5] = gen_rtx (SUBREG, SImode, SUBREG_REG (operands[1]),
        !           450:                           SUBREG_WORD (operands[1]));
        !           451:   else
        !           452:     operands[5] = gen_rtx (SUBREG, SImode, operands[1], 0);
        !           453: }")
        !           454: 
        !           455: ;; Like storehi but operands[1] is a CONST_INT.
        !           456: 
        !           457: (define_expand "storeinthi"
        !           458:   [(set (match_operand:SI 2 "register_operand" "")
        !           459:        (mem:SI (match_operand:SI 0 "register_operand" "")))
        !           460:    ;; Insert the low byte.
        !           461:    (set (zero_extract:SI (match_dup 2) (const_int 8) (match_dup 0))
        !           462:        (match_dup 5))
        !           463:    ;; Form address of high byte.
        !           464:    (set (match_operand:SI 3 "register_operand" "")
        !           465:        (plus:SI (match_dup 0) (const_int 1)))
        !           466:    ;; Store high byte into the memory word
        !           467:    (set (zero_extract:SI (match_dup 2) (const_int 8) (match_dup 3))
        !           468:        (match_dup 6))
        !           469:    ;; Put memory word back into memory.
        !           470:    (set (mem:SI (match_dup 0))
        !           471:        (match_dup 2))]
        !           472:   ""
        !           473:   " operands[5] = gen_rtx (CONST_INT, VOIDmode, INTVAL (operands[1]) & 255);
        !           474:     operands[6] = gen_rtx (CONST_INT, VOIDmode,
        !           475:                           (INTVAL (operands[1]) >> 8) & 255);
        !           476: ")
        !           477: 
        !           478: ;; Main entry for generating insns to move halfwords.
        !           479: 
        !           480: (define_expand "movhi"
        !           481:   [(set (match_operand:HI 0 "general_operand" "")
        !           482:        (match_operand:HI 1 "general_operand" ""))]
        !           483:   ""
        !           484:   "
        !           485: {
        !           486:   if (GET_CODE (operands[0]) == MEM && GET_CODE (operands[1]) == MEM)
        !           487:     operands[1] = copy_to_reg (operands[1]);
        !           488:   
        !           489:   if (GET_CODE (operands[1]) == MEM)
        !           490:     {
        !           491:       rtx insn =
        !           492:        emit_insn (gen_loadhi (operands[0],
        !           493:                               force_reg (SImode, XEXP (operands[1], 0)),
        !           494:                               gen_reg_rtx (SImode), gen_reg_rtx (SImode),
        !           495:                               gen_reg_rtx (QImode)));
        !           496:       /* Tell cse what value the loadhi produces, so it detect duplicates.  */
        !           497:       REG_NOTES (insn) = gen_rtx (EXPR_LIST, REG_EQUAL, operands[1],
        !           498:                                             REG_NOTES (insn));
        !           499:     }
        !           500:   else if (GET_CODE (operands[0]) == MEM)
        !           501:     {
        !           502:       if (GET_CODE (operands[1]) == CONST_INT)
        !           503:        emit_insn (gen_storeinthi (force_reg (SImode, XEXP (operands[0], 0)),
        !           504:                                   operands[1],
        !           505:                                   gen_reg_rtx (SImode), gen_reg_rtx (SImode),
        !           506:                                   gen_reg_rtx (QImode)));
        !           507:       else
        !           508:        {
        !           509:          if (CONSTANT_P (operands[1]))
        !           510:             operands[1] = force_reg (HImode, operands[1]);
        !           511:          emit_insn (gen_storehi (force_reg (SImode, XEXP (operands[0], 0)),
        !           512:                                  operands[1],
        !           513:                                  gen_reg_rtx (SImode), gen_reg_rtx (SImode),
        !           514:                                  gen_reg_rtx (QImode)));
        !           515:        }
        !           516:     }
        !           517:   else
        !           518:     emit_insn (gen_rtx (SET, VOIDmode, operands[0], operands[1]));
        !           519:   DONE;
        !           520: }")
        !           521: 
        !           522: ;; Recognize insns generated for moving halfwords.
        !           523: ;; (Note that the extract and insert patterns for single-byte moves
        !           524: ;;  are also involved in recognizing some of the insns used for this purpose.)
        !           525: 
        !           526: (define_insn ""
        !           527:   [(set (match_operand:HI 0 "general_operand" "=r,m")
        !           528:        (match_operand:HI 1 "general_operand" "rmi,r"))]
        !           529:   ""
        !           530:   "*
        !           531: {
        !           532:   if (GET_CODE (operands[0]) == MEM)
        !           533:     return \"st_32 %1,%0\";
        !           534:   if (GET_CODE (operands[1]) == MEM)
        !           535:     return \"ld_32 %0,%1\;nop\";
        !           536:   if (GET_CODE (operands[1]) == REG)
        !           537:     return \"add_nt %0,%1,$0\";
        !           538:   return \"add_nt %0,r0,%1\";
        !           539: }")
        !           540: 
        !           541: (define_insn ""
        !           542:   [(set (match_operand:SI 0 "register_operand" "=r")
        !           543:        (zero_extract:SI (match_operand:HI 1 "register_operand" "r")
        !           544:                         (const_int 8)
        !           545:                         (match_operand:SI 2 "nonmemory_operand" "rI")))]
        !           546:   ""
        !           547:   "extract %0,%1,%2")
        !           548: 
        !           549: (define_insn ""
        !           550:   [(set (zero_extract:SI (match_operand:HI 0 "register_operand" "+r")
        !           551:                         (const_int 8)
        !           552:                         (match_operand:SI 1 "nonmemory_operand" "rI"))
        !           553:        (match_operand:SI 2 "nonmemory_operand" "ri"))]
        !           554:   ""
        !           555:   "wr_insert %1\;insert %0,%0,%2")
        !           556: 
        !           557: ;; Constant propagation can optimize the previous pattern into this pattern.
        !           558: 
        !           559: ;(define_insn ""
        !           560: ;  [(set (zero_extract:QI (match_operand:HI 0 "register_operand" "+r")
        !           561: ;                       (const_int 8)
        !           562: ;                       (match_operand:SI 1 "immediate_operand" "I"))
        !           563: ;      (match_operand:QI 2 "register_operand" "r"))]
        !           564: ;  "GET_CODE (operands[1]) == CONST_INT
        !           565: ;   && INTVAL (operands[1]) % 8 == 0
        !           566: ;   && (unsigned) INTVAL (operands[1]) < 32"
        !           567: ;  "*
        !           568: ;{
        !           569: ;  operands[1] = gen_rtx (CONST_INT, VOIDmode, INTVAL (operands[1]) / 8);
        !           570: ;  return \"wr_insert 0,0,%1\;insert %0,%0,%2\";
        !           571: ;}")
        !           572: 
        !           573: ;; This pattern forces (set (reg:DF ...) (const_double ...))
        !           574: ;; to be reloaded by putting the constant into memory.
        !           575: ;; It must come before the more general movdf pattern.
        !           576: (define_insn ""
        !           577:   [(set (match_operand:DF 0 "general_operand" "=&r,f,&o")
        !           578:        (match_operand:DF 1 "" "mG,m,G"))]
        !           579:   "GET_CODE (operands[1]) == CONST_DOUBLE"
        !           580:   "*
        !           581: {
        !           582:   if (FP_REG_P (operands[0]))
        !           583:     return output_fp_move_double (operands);
        !           584:   if (operands[1] == dconst0_rtx && GET_CODE (operands[0]) == REG)
        !           585:     {
        !           586:       operands[1] = gen_rtx (REG, SImode, REGNO (operands[0]) + 1);
        !           587:       return \"add_nt %0,r0,$0\;add_nt %1,r0,$0\";
        !           588:     }
        !           589:   if (operands[1] == dconst0_rtx && GET_CODE (operands[0]) == MEM)
        !           590:     {
        !           591:       operands[1] = adj_offsettable_operand (operands[0], 4);
        !           592:       return \"st_32 r0,%0\;st_32 r0,%1\";
        !           593:     }
        !           594:   return output_move_double (operands);
        !           595: }
        !           596: ")
        !           597:   
        !           598: (define_insn "movdf"
        !           599:   [(set (match_operand:DF 0 "general_operand" "=r,&r,m,?f,?rm")
        !           600:        (match_operand:DF 1 "general_operand" "r,m,r,rfm,f"))]
        !           601:   ""
        !           602:   "*
        !           603: {
        !           604:   if (FP_REG_P (operands[0]) || FP_REG_P (operands[1]))
        !           605:     return output_fp_move_double (operands);
        !           606:   return output_move_double (operands);
        !           607: }
        !           608: ")
        !           609: 
        !           610: (define_insn "movdi"
        !           611:   [(set (match_operand:DI 0 "general_operand" "=r,&r,m,?f,?rm")
        !           612:        (match_operand:DI 1 "general_operand" "r,m,r,rfm,f"))]
        !           613:   ""
        !           614:   "*
        !           615: {
        !           616:   if (FP_REG_P (operands[0]) || FP_REG_P (operands[1]))
        !           617:     return output_fp_move_double (operands);
        !           618:   return output_move_double (operands);
        !           619: }
        !           620: ")
        !           621: 
        !           622: (define_insn "movsf"
        !           623:   [(set (match_operand:SF 0 "general_operand" "=rf,m")
        !           624:        (match_operand:SF 1 "general_operand" "rfm,rf"))]
        !           625:   ""
        !           626:   "*
        !           627: {
        !           628:   if (FP_REG_P (operands[0]))
        !           629:     {
        !           630:       if (FP_REG_P (operands[1]))
        !           631:        return \"fmov %0,%1\";
        !           632:       if (GET_CODE (operands[1]) == REG)
        !           633:        {
        !           634:          rtx xoperands[2];
        !           635:          int offset = - get_frame_size () - 8;
        !           636:          xoperands[1] = operands[1];
        !           637:          xoperands[0] = gen_rtx (CONST_INT, VOIDmode, offset);
        !           638:          output_asm_insn (\"st_32 %1,r25,%0\", xoperands);
        !           639:          xoperands[1] = operands[0];
        !           640:          output_asm_insn (\"ld_sgl %1,r25,%0\;nop\", xoperands);
        !           641:          return \"\";
        !           642:        }
        !           643:       return \"ld_sgl %0,%1\;nop\";
        !           644:     }
        !           645:   if (FP_REG_P (operands[1]))
        !           646:     {
        !           647:       if (GET_CODE (operands[0]) == REG)
        !           648:        {
        !           649:          rtx xoperands[2];
        !           650:          int offset = - get_frame_size () - 8;
        !           651:          xoperands[0] = gen_rtx (CONST_INT, VOIDmode, offset);
        !           652:          xoperands[1] = operands[1];
        !           653:          output_asm_insn (\"st_sgl %1,r25,%0\", xoperands);
        !           654:          xoperands[1] = operands[0];
        !           655:          output_asm_insn (\"ld_32 %1,r25,%0\;nop\", xoperands);
        !           656:          return \"\";
        !           657:        }
        !           658:       return \"st_sgl %1,%0\";
        !           659:     }
        !           660:   if (GET_CODE (operands[0]) == MEM)
        !           661:     return \"st_32 %r1,%0\";
        !           662:   if (GET_CODE (operands[1]) == MEM)
        !           663:     return \"ld_32 %0,%1\;nop\";
        !           664:   if (GET_CODE (operands[1]) == REG)
        !           665:     return \"add_nt %0,%1,$0\";
        !           666:   return \"add_nt %0,r0,%1\";
        !           667: }")
        !           668: 
        !           669: ;;- truncation instructions
        !           670: (define_insn "truncsiqi2"
        !           671:   [(set (match_operand:QI 0 "register_operand" "=r")
        !           672:        (truncate:QI
        !           673:         (match_operand:SI 1 "register_operand" "r")))]
        !           674:   ""
        !           675:   "add_nt %0,%1,$0")
        !           676: 
        !           677: (define_insn "trunchiqi2"
        !           678:   [(set (match_operand:QI 0 "register_operand" "=r")
        !           679:        (truncate:QI
        !           680:         (match_operand:HI 1 "register_operand" "r")))]
        !           681:   ""
        !           682:   "add_nt %0,%1,$0")
        !           683: 
        !           684: (define_insn "truncsihi2"
        !           685:   [(set (match_operand:HI 0 "register_operand" "=r")
        !           686:        (truncate:HI
        !           687:         (match_operand:SI 1 "register_operand" "r")))]
        !           688:   ""
        !           689:   "add_nt %0,%1,$0")
        !           690: 
        !           691: ;;- zero extension instructions
        !           692: 
        !           693: ;; Note that the one starting from HImode comes before those for QImode
        !           694: ;; so that a constant operand will match HImode, not QImode.
        !           695: (define_expand "zero_extendhisi2"
        !           696:   [(set (match_operand:SI 0 "register_operand" "")
        !           697:        (and:SI (match_operand:HI 1 "register_operand" "") ;Changed to SI below
        !           698:                ;; This constant is invalid, but reloading will handle it.
        !           699:                ;; It's useless to generate here the insns to construct it
        !           700:                ;; because constant propagation would simplify them anyway.
        !           701:                (match_dup 2)))]
        !           702:   ""
        !           703:   "
        !           704: {
        !           705:   if (GET_CODE (operands[1]) == SUBREG)
        !           706:     operands[1] = gen_rtx (SUBREG, SImode, SUBREG_REG (operands[1]),
        !           707:                           SUBREG_WORD (operands[1]));
        !           708:   else
        !           709:     operands[1] = gen_rtx (SUBREG, SImode, operands[1], 0);
        !           710: 
        !           711:   operands[2] = force_reg (SImode, gen_rtx (CONST_INT, VOIDmode, 65535));
        !           712: }")
        !           713: 
        !           714: (define_insn "zero_extendqihi2"
        !           715:   [(set (match_operand:HI 0 "register_operand" "=r")
        !           716:        (zero_extend:HI
        !           717:         (match_operand:QI 1 "register_operand" "r")))]
        !           718:   ""
        !           719:   "extract %0,%1,$0")
        !           720: 
        !           721: (define_insn "zero_extendqisi2"
        !           722:   [(set (match_operand:SI 0 "register_operand" "=r")
        !           723:        (zero_extend:SI
        !           724:         (match_operand:QI 1 "register_operand" "r")))]
        !           725:   ""
        !           726:   "extract %0,%1,$0")
        !           727: 
        !           728: ;;- sign extension instructions
        !           729: ;; Note that the one starting from HImode comes before those for QImode
        !           730: ;; so that a constant operand will match HImode, not QImode.
        !           731: 
        !           732: (define_expand "extendhisi2"
        !           733:   [(set (match_dup 2)
        !           734:        (and:SI (match_operand:HI 1 "register_operand" "") ;Changed to SI below
        !           735:                (match_dup 4)))
        !           736:    (set (match_dup 3) (plus:SI (match_dup 2) (match_dup 5)))
        !           737:    (set (match_operand:SI 0 "register_operand" "")
        !           738:        (xor:SI (match_dup 3) (match_dup 5)))]
        !           739:   ""
        !           740:   "
        !           741: {
        !           742:   if (GET_CODE (operands[1]) == SUBREG)
        !           743:     operands[1] = gen_rtx (SUBREG, SImode, SUBREG_REG (operands[1]),
        !           744:                           SUBREG_WORD (operands[1]));
        !           745:   else
        !           746:     operands[1] = gen_rtx (SUBREG, SImode, operands[1], 0);
        !           747: 
        !           748:   operands[2] = gen_reg_rtx (SImode);
        !           749:   operands[3] = gen_reg_rtx (SImode);
        !           750:   operands[4] = force_reg (SImode, gen_rtx (CONST_INT, VOIDmode, 65535));
        !           751:   operands[5] = force_reg (SImode, gen_rtx (CONST_INT, VOIDmode, -32768));
        !           752: }")
        !           753: 
        !           754: (define_expand "extendqihi2"
        !           755:   [(set (match_dup 2)
        !           756:        (and:HI (match_operand:QI 1 "register_operand" "") ;Changed to SI below
        !           757:                (const_int 255)))
        !           758:    (set (match_dup 3)
        !           759:        (plus:SI (match_dup 2) (const_int -128)))
        !           760:    (set (match_operand:HI 0 "register_operand" "")
        !           761:        (xor:SI (match_dup 3) (const_int -128)))]
        !           762:   ""
        !           763:   "
        !           764: {
        !           765:   if (GET_CODE (operands[1]) == SUBREG)
        !           766:     operands[1] = gen_rtx (SUBREG, HImode, SUBREG_REG (operands[1]),
        !           767:                           SUBREG_WORD (operands[1]));
        !           768:   else
        !           769:     operands[1] = gen_rtx (SUBREG, HImode, operands[1], 0);
        !           770: 
        !           771:   operands[2] = gen_reg_rtx (HImode);
        !           772:   operands[3] = gen_reg_rtx (HImode);
        !           773: }")
        !           774: 
        !           775: (define_expand "extendqisi2"
        !           776:   [(set (match_dup 2)
        !           777:        (and:SI (match_operand:QI 1 "register_operand" "") ;Changed to SI below
        !           778:                (const_int 255)))
        !           779:    (set (match_dup 3) (plus:SI (match_dup 2) (const_int -128)))
        !           780:    (set (match_operand:SI 0 "register_operand" "")
        !           781:        (xor:SI (match_dup 3) (const_int -128)))]
        !           782:   ""
        !           783:   "
        !           784: {
        !           785:   if (GET_CODE (operands[1]) == SUBREG)
        !           786:     operands[1] = gen_rtx (SUBREG, SImode, SUBREG_REG (operands[1]),
        !           787:                           SUBREG_WORD (operands[1]));
        !           788:   else
        !           789:     operands[1] = gen_rtx (SUBREG, SImode, operands[1], 0);
        !           790: 
        !           791:   operands[2] = gen_reg_rtx (SImode);
        !           792:   operands[3] = gen_reg_rtx (SImode);
        !           793: }")
        !           794: 
        !           795: ;;- arithmetic instructions
        !           796: 
        !           797: (define_insn "addsi3"
        !           798:   [(set (match_operand:SI 0 "register_operand" "=r")
        !           799:        (plus:SI (match_operand:SI 1 "nonmemory_operand" "%r")
        !           800:                 (match_operand:SI 2 "nonmemory_operand" "rI")))]
        !           801:   ""
        !           802:   "add %0,%1,%2")
        !           803: 
        !           804: (define_insn ""
        !           805:   [(set (match_operand:SI 0 "register_operand" "=r")
        !           806:        (plus:SI (match_operand:SI 1 "nonmemory_operand" "%r")
        !           807:                 (match_operand:SI 2 "big_immediate_operand" "g")))]
        !           808:   "GET_CODE (operands[2]) == CONST_INT 
        !           809:    && (unsigned) (INTVAL (operands[2]) + 0x8000000) < 0x10000000"
        !           810:   "*
        !           811: {
        !           812:   return 
        !           813:     output_add_large_offset (operands[0], operands[1], INTVAL (operands[2]));
        !           814: }")
        !           815: 
        !           816: (define_insn "subsi3"
        !           817:   [(set (match_operand:SI 0 "register_operand" "=r")
        !           818:        (minus:SI (match_operand:SI 1 "register_operand" "r")
        !           819:                  (match_operand:SI 2 "nonmemory_operand" "rI")))]
        !           820:   ""
        !           821:   "sub %0,%1,%2")
        !           822: 
        !           823: (define_insn "andsi3"
        !           824:   [(set (match_operand:SI 0 "register_operand" "=r")
        !           825:        (and:SI (match_operand:SI 1 "nonmemory_operand" "%r")
        !           826:                (match_operand:SI 2 "nonmemory_operand" "rI")))]
        !           827:   ""
        !           828:   "and %0,%1,%2")
        !           829: 
        !           830: (define_insn "iorsi3"
        !           831:   [(set (match_operand:SI 0 "register_operand" "=r")
        !           832:        (ior:SI (match_operand:SI 1 "nonmemory_operand" "%r")
        !           833:                (match_operand:SI 2 "nonmemory_operand" "rI")))]
        !           834:   ""
        !           835:   "or %0,%1,%2")
        !           836: 
        !           837: (define_insn "xorsi3"
        !           838:   [(set (match_operand:SI 0 "register_operand" "=r")
        !           839:        (xor:SI (match_operand:SI 1 "nonmemory_operand" "%r")
        !           840:                (match_operand:SI 2 "nonmemory_operand" "rI")))]
        !           841:   ""
        !           842:   "xor %0,%1,%2")
        !           843: 
        !           844: (define_insn "negsi2"
        !           845:   [(set (match_operand:SI 0 "register_operand" "=r")
        !           846:        (neg:SI (match_operand:SI 1 "nonmemory_operand" "rI")))]
        !           847:   ""
        !           848:   "sub %0,r0,%1")
        !           849: 
        !           850: (define_insn "one_cmplsi2"
        !           851:   [(set (match_operand:SI 0 "register_operand" "=r")
        !           852:        (not:SI (match_operand:SI 1 "register_operand" "r")))]
        !           853:   ""
        !           854:   "xor %0,%1,$-1")
        !           855: 
        !           856: ;; Floating point arithmetic instructions.
        !           857: 
        !           858: (define_insn "adddf3"
        !           859:   [(set (match_operand:DF 0 "register_operand" "=f")
        !           860:        (plus:DF (match_operand:DF 1 "register_operand" "f")
        !           861:                 (match_operand:DF 2 "register_operand" "f")))]
        !           862:   "TARGET_FPU"
        !           863:   "fadd %0,%1,%2")
        !           864: 
        !           865: (define_insn "addsf3"
        !           866:   [(set (match_operand:SF 0 "register_operand" "=f")
        !           867:        (plus:SF (match_operand:SF 1 "register_operand" "f")
        !           868:                 (match_operand:SF 2 "register_operand" "f")))]
        !           869:   "TARGET_FPU"
        !           870:   "fadd %0,%1,%2")
        !           871: 
        !           872: (define_insn "subdf3"
        !           873:   [(set (match_operand:DF 0 "register_operand" "=f")
        !           874:        (minus:DF (match_operand:DF 1 "register_operand" "f")
        !           875:                  (match_operand:DF 2 "register_operand" "f")))]
        !           876:   "TARGET_FPU"
        !           877:   "fsub %0,%1,%2")
        !           878: 
        !           879: (define_insn "subsf3"
        !           880:   [(set (match_operand:SF 0 "register_operand" "=f")
        !           881:        (minus:SF (match_operand:SF 1 "register_operand" "f")
        !           882:                  (match_operand:SF 2 "register_operand" "f")))]
        !           883:   "TARGET_FPU"
        !           884:   "fsub %0,%1,%2")
        !           885: 
        !           886: (define_insn "muldf3"
        !           887:   [(set (match_operand:DF 0 "register_operand" "=f")
        !           888:        (mult:DF (match_operand:DF 1 "register_operand" "f")
        !           889:                 (match_operand:DF 2 "register_operand" "f")))]
        !           890:   "TARGET_FPU"
        !           891:   "fmul %0,%1,%2")
        !           892: 
        !           893: (define_insn "mulsf3"
        !           894:   [(set (match_operand:SF 0 "register_operand" "=f")
        !           895:        (mult:SF (match_operand:SF 1 "register_operand" "f")
        !           896:                 (match_operand:SF 2 "register_operand" "f")))]
        !           897:   "TARGET_FPU"
        !           898:   "fmul %0,%1,%2")
        !           899: 
        !           900: (define_insn "divdf3"
        !           901:   [(set (match_operand:DF 0 "register_operand" "=f")
        !           902:        (div:DF (match_operand:DF 1 "register_operand" "f")
        !           903:                (match_operand:DF 2 "register_operand" "f")))]
        !           904:   "TARGET_FPU"
        !           905:   "fdiv %0,%1,%2")
        !           906: 
        !           907: (define_insn "divsf3"
        !           908:   [(set (match_operand:SF 0 "register_operand" "=f")
        !           909:        (div:SF (match_operand:SF 1 "register_operand" "f")
        !           910:                (match_operand:SF 2 "register_operand" "f")))]
        !           911:   "TARGET_FPU"
        !           912:   "fdiv %0,%1,%2")
        !           913: 
        !           914: (define_insn "negdf2"
        !           915:   [(set (match_operand:DF 0 "register_operand" "=f")
        !           916:        (neg:DF (match_operand:DF 1 "nonmemory_operand" "f")))]
        !           917:   "TARGET_FPU"
        !           918:   "fneg %0,%1")
        !           919: 
        !           920: (define_insn "negsf2"
        !           921:   [(set (match_operand:SF 0 "register_operand" "=f")
        !           922:        (neg:SF (match_operand:SF 1 "nonmemory_operand" "f")))]
        !           923:   "TARGET_FPU"
        !           924:   "fneg %0,%1")
        !           925: 
        !           926: (define_insn "absdf2"
        !           927:   [(set (match_operand:DF 0 "register_operand" "=f")
        !           928:        (abs:DF (match_operand:DF 1 "nonmemory_operand" "f")))]
        !           929:   "TARGET_FPU"
        !           930:   "fabs %0,%1")
        !           931: 
        !           932: (define_insn "abssf2"
        !           933:   [(set (match_operand:SF 0 "register_operand" "=f")
        !           934:        (abs:SF (match_operand:SF 1 "nonmemory_operand" "f")))]
        !           935:   "TARGET_FPU"
        !           936:   "fabs %0,%1")
        !           937: 
        !           938: ;; Shift instructions
        !           939: 
        !           940: (define_insn ""
        !           941:   [(set (match_operand:SI 0 "register_operand" "=r")
        !           942:        (ashift:SI (match_operand:SI 1 "register_operand" "r")
        !           943:                   (match_operand:SI 2 "immediate_operand" "I")))]
        !           944:   "GET_CODE (operands[2]) == CONST_INT"
        !           945:   "*
        !           946: {
        !           947:   unsigned int amount = INTVAL (operands[2]);
        !           948: 
        !           949:   switch (amount)
        !           950:     {
        !           951:     case 0:
        !           952:       return \"add_nt %0,%1,$0\";
        !           953:     case 1:
        !           954:       return \"sll %0,%1,$1\";
        !           955:     case 2:
        !           956:       return \"sll %0,%1,$2\";
        !           957:     default:
        !           958:       output_asm_insn (\"sll %0,%1,$3\", operands);
        !           959: 
        !           960:       for (amount -= 3; amount >= 3; amount -= 3)
        !           961:        output_asm_insn (\"sll %0,%0,$3\", operands);
        !           962: 
        !           963:       if (amount > 0)
        !           964:        output_asm_insn (amount == 1 ? \"sll %0,%0,$1\" : \"sll %0,%0,$2\",
        !           965:                         operands);
        !           966:       return \"\";
        !           967:     }
        !           968: }")
        !           969: 
        !           970: (define_insn ""
        !           971:   [(set (match_operand:SI 0 "register_operand" "=r")
        !           972:        (ashiftrt:SI (match_operand:SI 1 "register_operand" "r")
        !           973:                     (match_operand:SI 2 "immediate_operand" "I")))]
        !           974:   "GET_CODE (operands[2]) == CONST_INT"
        !           975:   "*
        !           976: {
        !           977:   unsigned int amount = INTVAL (operands[2]);
        !           978: 
        !           979:   if (amount == 0) 
        !           980:     return \"add_nt %0,%1,$0\";
        !           981:   else
        !           982:     output_asm_insn (\"sra %0,%1,$1\", operands);
        !           983:   
        !           984:   for (amount -= 1; amount > 0; amount -= 1)
        !           985:     output_asm_insn (\"sra %0,%0,$1\", operands);
        !           986: 
        !           987:   return \"\";
        !           988: }")
        !           989: 
        !           990: (define_insn ""
        !           991:   [(set (match_operand:SI 0 "register_operand" "=r")
        !           992:        (lshiftrt:SI (match_operand:SI 1 "register_operand" "r")
        !           993:                     (match_operand:SI 2 "immediate_operand" "I")))]
        !           994:   "GET_CODE (operands[2]) == CONST_INT"
        !           995:   "*
        !           996: {
        !           997:   unsigned int amount = INTVAL (operands[2]);
        !           998: 
        !           999:   if (amount == 0) 
        !          1000:     return \"add_nt %0,%1,$0\";
        !          1001:   else
        !          1002:     output_asm_insn (\"srl %0,%1,$1\", operands);
        !          1003:   
        !          1004:   for (amount -= 1; amount > 0; amount -= 1)
        !          1005:     output_asm_insn (\"srl %0,%0,$1\", operands);
        !          1006: 
        !          1007:   return \"\";
        !          1008: }")
        !          1009: 
        !          1010: (define_expand "ashlsi3"
        !          1011:   [(set (match_operand:SI 0 "register_operand" "")
        !          1012:        (ashift:SI (match_operand:SI 1 "register_operand" "")
        !          1013:                   (match_operand:SI 2 "nonmemory_operand" "")))]
        !          1014:   ""
        !          1015:   "
        !          1016: {
        !          1017:   if (GET_CODE (operands[2]) != CONST_INT
        !          1018:       || (! TARGET_EXPAND_SHIFTS && (unsigned) INTVAL (operands[2]) > 3))
        !          1019:     FAIL;
        !          1020: }")
        !          1021: 
        !          1022: (define_expand "lshlsi3"
        !          1023:   [(set (match_operand:SI 0 "register_operand" "")
        !          1024:        (ashift:SI (match_operand:SI 1 "register_operand" "")
        !          1025:                   (match_operand:SI 2 "nonmemory_operand" "")))]
        !          1026:   ""
        !          1027:   "
        !          1028: {
        !          1029:   if (GET_CODE (operands[2]) != CONST_INT
        !          1030:       || (! TARGET_EXPAND_SHIFTS && (unsigned) INTVAL (operands[2]) > 3))
        !          1031:     FAIL;
        !          1032: }")
        !          1033: 
        !          1034: (define_expand "ashrsi3"
        !          1035:   [(set (match_operand:SI 0 "register_operand" "")
        !          1036:        (ashiftrt:SI (match_operand:SI 1 "register_operand" "")
        !          1037:                     (match_operand:SI 2 "nonmemory_operand" "")))]
        !          1038:   ""
        !          1039:   "
        !          1040: {
        !          1041:   if (GET_CODE (operands[2]) != CONST_INT
        !          1042:       || (! TARGET_EXPAND_SHIFTS && (unsigned) INTVAL (operands[2]) > 1))
        !          1043:     FAIL;
        !          1044: }")
        !          1045: 
        !          1046: (define_expand "lshrsi3"
        !          1047:   [(set (match_operand:SI 0 "register_operand" "")
        !          1048:        (lshiftrt:SI (match_operand:SI 1 "register_operand" "")
        !          1049:                     (match_operand:SI 2 "nonmemory_operand" "")))]
        !          1050:   ""
        !          1051:   "
        !          1052: {
        !          1053:   if (GET_CODE (operands[2]) != CONST_INT
        !          1054:       || (! TARGET_EXPAND_SHIFTS && (unsigned) INTVAL (operands[2]) > 1))
        !          1055:     FAIL;
        !          1056: }")
        !          1057: 
        !          1058: ;; Unconditional and other jump instructions
        !          1059: (define_insn "jump"
        !          1060:   [(set (pc)
        !          1061:        (label_ref (match_operand 0 "" "")))]
        !          1062:   ""
        !          1063:   "jump %l0\;nop")
        !          1064: 
        !          1065: (define_insn "tablejump"
        !          1066:   [(set (pc) (match_operand:SI 0 "register_operand" "r"))
        !          1067:    (use (label_ref (match_operand 1 "" "")))]
        !          1068:   ""
        !          1069:   "jump_reg r0,%0\;nop")
        !          1070: 
        !          1071: ;;- jump to subroutine
        !          1072: (define_insn "call"
        !          1073:   [(call (match_operand:SI 0 "memory_operand" "m")
        !          1074:         (match_operand:SI 1 "general_operand" "g"))]
        !          1075:   ;;- Don't use operand 1 for most machines.
        !          1076:   ""
        !          1077:   "add_nt r2,%0\;call .+8\;jump_reg r0,r2\;nop")
        !          1078: 
        !          1079: (define_insn "call_value"
        !          1080:   [(set (match_operand 0 "" "=g")
        !          1081:        (call (match_operand:SI 1 "memory_operand" "m")
        !          1082:              (match_operand:SI 2 "general_operand" "g")))]
        !          1083:   ;;- Don't use operand 1 for most machines.
        !          1084:   ""
        !          1085:   "add_nt r2,%1\;call .+8\;jump_reg r0,r2\;nop")
        !          1086: 
        !          1087: ;; A memory ref with constant address is not normally valid.
        !          1088: ;; But it is valid in a call insns.  This pattern allows the
        !          1089: ;; loading of the address to combine with the call.
        !          1090: (define_insn ""
        !          1091:   [(call (mem:SI (match_operand:SI 0 "" "i"))
        !          1092:         (match_operand:SI 1 "general_operand" "g"))]
        !          1093:   ;;- Don't use operand 1 for most machines.
        !          1094:   "GET_CODE (operands[0]) == SYMBOL_REF"
        !          1095:   "call %0\;nop")
        !          1096: 
        !          1097: (define_insn ""
        !          1098:   [(set (match_operand 0 "" "=g")
        !          1099:        (call (mem:SI (match_operand:SI 1 "" "i"))
        !          1100:              (match_operand:SI 2 "general_operand" "g")))]
        !          1101:   ;;- Don't use operand 1 for most machines.
        !          1102:   "GET_CODE (operands[1]) == SYMBOL_REF"
        !          1103:   "call %1\;nop")
        !          1104: 
        !          1105: (define_insn "nop"
        !          1106:   [(const_int 0)]
        !          1107:   ""
        !          1108:   "nop")
        !          1109: 
        !          1110: ;;- Local variables:
        !          1111: ;;- mode:emacs-lisp
        !          1112: ;;- comment-start: ";;- "
        !          1113: ;;- eval: (set-syntax-table (copy-sequence (syntax-table)))
        !          1114: ;;- eval: (modify-syntax-entry ?[ "(]")
        !          1115: ;;- eval: (modify-syntax-entry ?] ")[")
        !          1116: ;;- eval: (modify-syntax-entry ?{ "(}")
        !          1117: ;;- eval: (modify-syntax-entry ?} "){")
        !          1118: ;;- End:
        !          1119: 

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