Annotation of GNUtools/cc/config/clipper/clipper.md, revision 1.1.1.1

1.1       root        1: ;;- Machine description for GNU compiler, Clipper Version
                      2: ;;   Copyright (C) 1987, 1988, 1991, 1993 Free Software Foundation, Inc.
                      3: 
                      4: ;; Contributed by Holger Teutsch ([email protected])
                      5: 
                      6: ;; This file is part of GNU CC.
                      7: 
                      8: ;; GNU CC is free software; you can redistribute it and/or modify
                      9: ;; it under the terms of the GNU General Public License as published by
                     10: ;; the Free Software Foundation; either version 2, or (at your option)
                     11: ;; any later version.
                     12: 
                     13: ;; GNU CC is distributed in the hope that it will be useful,
                     14: ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
                     15: ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
                     16: ;; GNU General Public License for more details.
                     17: 
                     18: ;; You should have received a copy of the GNU General Public License
                     19: ;; along with GNU CC; see the file COPYING.  If not, write to
                     20: ;; the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
                     21: 
                     22: 
                     23: ;;- Instruction patterns.  When multiple patterns apply,
                     24: ;;- the first one in the file is chosen.
                     25: ;;-
                     26: ;;- See file "rtl.def" for documentation on define_insn, match_*, et. al.
                     27: ;;-
                     28: ;;- cpp macro #define NOTICE_UPDATE_CC in file tm.h handles condition code
                     29: ;;- updates for most instructions.
                     30: 
                     31: ;;
                     32: ;; define attributes
                     33: ;;
                     34: ;; instruction type
                     35: ;;
                     36: ;; unknown is temporary in order to generate 'cc clobber' until attribute
                     37: ;; assignment is consistent
                     38: ;;
                     39: (define_attr "type" "load,store,arith,fp,branch,unknown"
                     40:  (const_string "unknown"))
                     41: 
                     42: ;; condition code setting
                     43: ;;
                     44: ;; clobber     destroyed
                     45: ;; unchanged
                     46: ;; set1                set cc_status.value1, e.g. sub r0,r1
                     47: ;; set2                set value1 and value2, e.g. mov r0,r1
                     48: ;; change0     may be side effect, i.e. load mem,r0
                     49: ;;
                     50: ;; note: loadi and loadq are 'arith' instructions that set the condition codes
                     51: ;;       mul,div,mod do NOT set the condition codes
                     52: ;;
                     53: (define_attr "cc" "clobber,unchanged,set1,set2,change0"
                     54:  (cond [(eq_attr "type" "load")        (const_string "change0")
                     55:        (eq_attr "type" "store,branch") (const_string "unchanged")
                     56:        (eq_attr "type" "arith") (if_then_else (match_operand:SI 0 "" "")
                     57:                                  (const_string "set1")
                     58:                                  (const_string "clobber"))
                     59:        ]
                     60:   (const_string "clobber")))
                     61: 
                     62: ;;
                     63: ;; clipper seems to be a tradional risc processor
                     64: ;; we define a functional unit 'memory'
                     65: ;;
                     66: (define_function_unit "memory" 1 1 (eq_attr "type" "load") 4 0)     
                     67: 
                     68: 
                     69: ;; We don't want to allow a constant operand for test insns because
                     70: ;; (set (cc0) (const_int foo)) has no mode information.  Such insns will
                     71: ;; be folded while optimizing anyway.
                     72: 
                     73: (define_insn "tstsi"
                     74:   [(set (cc0)
                     75:        (match_operand:SI 0 "int_reg_operand" "r"))]
                     76:   ""
                     77:   "cmpq   $0,%0")
                     78: 
                     79: (define_insn "cmpsi"
                     80:   [(set (cc0)
                     81:        (compare (match_operand:SI 0 "nonimmediate_operand" "r,r,n")
                     82:                 (match_operand:SI 1 "nonmemory_operand" "r,n,r")))]
                     83:   ""
                     84:   "*
                     85: {
                     86:   int val;
                     87: 
                     88:   if (which_alternative == 0)
                     89:     return \"cmpw   %1,%0\";
                     90: 
                     91:   if (which_alternative == 1)
                     92:     {
                     93:       val = INTVAL (operands[1]);
                     94:       if (0 <= val && val < 16)
                     95:        return \"cmpq   %1,%0\";
                     96:       return \"cmpi   %1,%0\";
                     97:     }
                     98: 
                     99:   cc_status.flags |= CC_REVERSED;      /* immediate must be first */
                    100: 
                    101:   val = INTVAL (operands[0]);
                    102: 
                    103:   if (0 <= val && val < 16)
                    104:     return \"cmpq   %0,%1\";
                    105: 
                    106:   return \"cmpi   %0,%1\";
                    107: }")
                    108: 
                    109: (define_insn "cmpdf"
                    110:   [(set (cc0)
                    111:        (compare (match_operand:DF 0 "fp_reg_operand" "f")
                    112:                 (match_operand:DF 1 "fp_reg_operand" "f")))]
                    113:   ""
                    114:   "cmpd   %1,%0")
                    115: 
                    116: (define_insn "cmpsf"
                    117:   [(set (cc0)
                    118:        (compare (match_operand:SF 0 "fp_reg_operand" "f")
                    119:                 (match_operand:SF 1 "fp_reg_operand" "f")))]
                    120:   ""
                    121:   "cmps   %1,%0")
                    122: 
                    123: 
                    124: ;;
                    125: ;; double and single float move
                    126: ;;
                    127: (define_expand "movdf"
                    128:   [(set (match_operand:DF 0 "general_operand" "")
                    129:        (match_operand:DF 1 "general_operand" ""))]
                    130:   ""
                    131:   "
                    132: {
                    133:   if (GET_CODE (operands[0]) == MEM)
                    134:     {
                    135:       if (GET_CODE (operands[1]) == CONST_DOUBLE)
                    136:        operands[1] = force_reg (DFmode,
                    137:                                 force_const_mem (DFmode, operands[1]));
                    138:       else if (GET_CODE (operands[1]) != REG)
                    139:        operands[1] = force_reg (DFmode, operands[1]);
                    140:     }
                    141: 
                    142:   else if (GET_CODE (operands[1]) == CONST_DOUBLE)
                    143:     operands[1] = force_const_mem (DFmode, operands[1]);
                    144: }")
                    145: 
                    146: ;;
                    147: ;; provide two patterns with different predicates as we don't want combine
                    148: ;; to recombine a mem -> mem move
                    149: ;; 
                    150: (define_insn ""
                    151:   [(set (match_operand:DF 0 "register_operand" "=*rf")
                    152:        (match_operand:DF 1 "nonimmediate_operand" "*rfo"))]
                    153:   ""
                    154:   "*
                    155: {
                    156: #define FP_REG_P(X) (GET_CODE (X) == REG && REGNO (X) >= 16)
                    157: 
                    158:   if (FP_REG_P (operands[0]))
                    159:     {
                    160:       if (FP_REG_P (operands[1]))      /* f -> f */
                    161:        return \"movd   %1,%0\";
                    162: 
                    163:       if (GET_CODE (operands[1]) == REG) /* r -> f */
                    164:        return \"movld  %1,%0\";
                    165: 
                    166:       return \"loadd  %1,%0\";         /* m -> f */
                    167:     }
                    168: 
                    169:   if (FP_REG_P (operands[1]))
                    170:     {
                    171:       if (GET_CODE (operands[0]) == REG) /* f -> r */
                    172:        return \"movdl  %1,%0\";
                    173: 
                    174:       abort ();
                    175:     }
                    176: 
                    177:   if (GET_CODE (operands[1]) == MEM)   /* m -> r */
                    178:     {
                    179:       rtx xops[4];
                    180:       xops[0] = operands[0];
                    181:       xops[1] = gen_rtx (REG, SImode, REGNO (operands[0]) + 1);
                    182:       xops[2] = operands[1];
                    183:       xops[3] = adj_offsettable_operand (operands[1], 4);
                    184:       output_asm_insn (\"loadw  %2,%0\;loadw  %3,%1\", xops);
                    185:       return \"\";
                    186:     }
                    187: 
                    188:   if (GET_CODE (operands[1]) == REG)   /* r -> r */
                    189:     {
                    190:       rtx xops[4];
                    191:       xops[0] = operands[0];
                    192:       xops[1] = gen_rtx (REG, SImode, REGNO (operands[0]) + 1);
                    193:       xops[2] = operands[1];
                    194:       xops[3] = gen_rtx (REG, SImode, REGNO (operands[1]) + 1);
                    195:       output_asm_insn (\"movw   %2,%0\;movw   %3,%1\", xops);
                    196:       return \"\";
                    197:     }
                    198: 
                    199:   abort ();
                    200: #undef FP_REG_P
                    201: }")
                    202: 
                    203: 
                    204: (define_insn ""
                    205:   [(set (match_operand:DF 0 "memory_operand" "=o,m")
                    206:        (match_operand:DF 1 "register_operand" "*rf,f"))]
                    207:   ""
                    208:   "*
                    209: {
                    210:   rtx xops[4];
                    211: 
                    212:   if (REGNO (operands[1]) >= 16)       /* f -> m */
                    213:     return \"stord  %1,%0\";
                    214: 
                    215:   xops[0] = operands[0];               /* r -> o */
                    216:   xops[1] = adj_offsettable_operand (operands[0], 4);
                    217:   xops[2] = operands[1];
                    218:   xops[3] = gen_rtx (REG, SImode, REGNO (operands[1]) + 1);
                    219:   output_asm_insn (\"storw  %2,%0\;storw  %3,%1\", xops);
                    220:   return \"\";
                    221: }"
                    222: [(set_attr "type" "store,store")
                    223:  (set_attr "cc" "clobber,unchanged")])
                    224: 
                    225: 
                    226: (define_expand "movsf"
                    227:   [(set (match_operand:SF 0 "general_operand" "")
                    228:        (match_operand:SF 1 "general_operand" ""))]
                    229:   ""
                    230:   "
                    231: {
                    232:   if (GET_CODE (operands[0]) == MEM)
                    233:     {
                    234:       if (GET_CODE (operands[1]) == CONST_DOUBLE)
                    235:        operands[1] = force_reg (SFmode,
                    236:                                 force_const_mem (SFmode, operands[1]));
                    237:       else if (GET_CODE (operands[1]) != REG)
                    238:        operands[1] = force_reg (SFmode, operands[1]);
                    239:     }
                    240: 
                    241:   else if (GET_CODE (operands[1]) == CONST_DOUBLE)
                    242:     operands[1] = force_const_mem (SFmode, operands[1]);
                    243: }")
                    244: 
                    245: ;;
                    246: ;; provide two patterns with different predicates as we don't want combine
                    247: ;; to recombine a mem -> mem move
                    248: ;; 
                    249: (define_insn ""
                    250:   [(set (match_operand:SF 0 "register_operand" "=*rf")
                    251:        (match_operand:SF 1 "nonimmediate_operand" "*rfm"))]
                    252:   ""
                    253:   "*
                    254: {
                    255: #define FP_REG_P(X) (GET_CODE (X) == REG && REGNO (X) >= 16)
                    256: 
                    257:   if (FP_REG_P (operands[0]))
                    258:     {
                    259:       if (FP_REG_P (operands[1]))      /* f -> f */
                    260:        return \"movs   %1,%0\";
                    261:       if (GET_CODE (operands[1]) == REG) /* r -> f */
                    262:        return
                    263:          \"subq   $8,sp\;storw  %1,(sp)\;loads  (sp),%0\;addq   $8,sp\";
                    264:       return \"loads  %1,%0\";         /* m -> f */
                    265:     }
                    266: 
                    267:   if (FP_REG_P (operands[1]))
                    268:     {
                    269:       if (GET_CODE (operands[0]) == REG) /* f -> r */
                    270:        return
                    271:          \"subq   $8,sp\;stors  %1,(sp)\;loadw  (sp),%0\;addq   $8,sp\";
                    272:       abort ();
                    273:     }
                    274: 
                    275:   if (GET_CODE (operands[1]) == MEM)   /* m -> r */
                    276:     return \"loadw   %1,%0\";
                    277: 
                    278:   if (GET_CODE (operands[1]) == REG)   /* r -> r */
                    279:     return \"movw    %1,%0\";
                    280: 
                    281:   abort ();
                    282: #undef FP_REG_P
                    283: }")
                    284: 
                    285: (define_insn ""
                    286:   [(set (match_operand:SF 0 "memory_operand" "=m")
                    287:        (match_operand:SF 1 "register_operand" "*rf"))]
                    288:   ""
                    289:   "*
                    290: {
                    291:   if (GET_CODE (operands[1]) == REG && REGNO (operands[1]) >= 16)
                    292:     return \"stors  %1,%0\";           /* f-> m */
                    293: 
                    294:   return \"storw   %1,%0\";            /* r -> m */
                    295: }"
                    296: [(set_attr "type" "store")])
                    297: 
                    298: 
                    299: (define_expand "movdi"
                    300:   [(set (match_operand:DI 0 "general_operand" "")
                    301:        (match_operand:DI 1 "general_operand" ""))]
                    302:   ""
                    303:   "
                    304: {
                    305:   if (GET_CODE (operands[0]) == MEM && GET_CODE (operands[1]) != REG)
                    306:     operands[1] = force_reg (DImode, operands[1]);
                    307: }")
                    308: 
                    309: ;; If an operand is a MEM but not offsetable, we can't load it into
                    310: ;; a register, so we must force the third alternative to be the one
                    311: ;; reloaded.  Hence we show the first as more expensive.
                    312: (define_insn ""
                    313:   [(set (match_operand:DI 0 "register_operand" "=?r,r,r")
                    314:        (match_operand:DI 1 "general_operand"   "r,n,o"))]
                    315:   ""
                    316:   "*
                    317: {
                    318:   rtx xoperands[2],yoperands[2];
                    319: 
                    320:   xoperands[0] = gen_rtx (REG, SImode, REGNO (operands[0]) + 1);
                    321: 
                    322:   if (which_alternative == 0)          /* r -> r */
                    323:     {
                    324:       output_asm_insn (\"movw   %1,%0\", operands);
                    325:       xoperands[1] = gen_rtx (REG, SImode, REGNO (operands[1]) + 1);
                    326:       output_asm_insn (\"movw   %1,%0\", xoperands);
                    327:       return \"\";
                    328:     }
                    329: 
                    330:   if (which_alternative == 1)          /* n -> r */
                    331:     {
                    332:       if (GET_CODE (operands[1]) == CONST_INT)
                    333:        {
                    334:          output_asm_insn (\"loadi   %1,%0\", operands);
                    335:          output_asm_insn (\"loadq   $0,%0\", xoperands);
                    336:          return \"\";
                    337:        }
                    338: 
                    339:       if (GET_CODE (operands[1]) != CONST_DOUBLE)
                    340:        abort ();
                    341: 
                    342:       yoperands[0] = operands[0];
                    343:       yoperands[1] = gen_rtx (CONST_INT, VOIDmode,
                    344:                              CONST_DOUBLE_LOW (operands[1]));
                    345:       output_asm_insn (\"loadi  %1,%0\", yoperands);
                    346: 
                    347:       xoperands[1] = gen_rtx (CONST_INT, VOIDmode,
                    348:                              CONST_DOUBLE_HIGH (operands[1]));
                    349:       output_asm_insn (\"loadi  %1,%0\", xoperands);
                    350:       return \"\";
                    351:     }
                    352:                                        /* m -> r */
                    353:   output_asm_insn (\"loadw  %1,%0\", operands);
                    354:   xoperands[1] = adj_offsettable_operand (operands[1], 4);
                    355:   output_asm_insn (\"loadw  %1,%0\", xoperands);
                    356:   return \"\";
                    357: }" 
                    358: [(set_attr "type" "arith,arith,load")
                    359:   (set_attr "cc" "clobber,clobber,clobber")])
                    360: 
                    361: (define_insn ""
                    362:   [(set (match_operand:DI 0 "memory_operand" "=o")
                    363:        (match_operand:DI 1 "register_operand" "r"))]
                    364:   ""
                    365:   "*
                    366: {
                    367:   rtx xops[4];
                    368:   xops[0] = operands[0];
                    369:   xops[1] = adj_offsettable_operand (operands[0], 4);
                    370:   xops[2] = operands[1];
                    371:   xops[3] = gen_rtx (REG, SImode, REGNO (operands[1]) + 1);
                    372:   output_asm_insn (\"storw  %2,%0\;storw  %3,%1\", xops);
                    373:   return \"\";
                    374: }"
                    375: [(set_attr "type" "store")
                    376:  (set_attr "cc" "clobber")])
                    377: 
                    378: (define_expand "movsi"
                    379:   [(set (match_operand:SI 0 "general_operand" "")
                    380:        (match_operand:SI 1 "general_operand" ""))]
                    381:   ""
                    382:   "
                    383: {
                    384:   if (GET_CODE (operands[0]) == MEM &&
                    385:       GET_CODE (operands[1]) != REG)
                    386:     operands[1] = force_reg (SImode, operands[1]);
                    387: }")
                    388: 
                    389: ;; provide 2 patterns with different predicates as 'general_operand' in both
                    390: ;; positions results in a 'mem -> mem' move from combine that must be reloaded 
                    391: ;;
                    392: 
                    393: (define_insn ""
                    394:   [(set (match_operand:SI 0 "register_operand" "=r,r,r,r")
                    395:        (match_operand:SI 1 "general_operand"   "r,m,n,i"))]
                    396:   ""
                    397:   "*
                    398: {
                    399:   int val;
                    400: 
                    401:   if (which_alternative == 0)
                    402:     return \"movw   %1,%0\";           /* reg -> reg */
                    403: 
                    404:   if (which_alternative == 1)
                    405:     return \"loadw  %1,%0\";           /* mem -> reg */
                    406: 
                    407:   if (which_alternative == 2)
                    408:     {
                    409:       val = INTVAL (operands[1]);      /* known const ->reg */
                    410: 
                    411:       if (val == -1)
                    412:        return \"notq   $0,%0\";
                    413: 
                    414:       if (val < 0 || val >= 16)
                    415:        return \"loadi  %1,%0\";
                    416: 
                    417:       return \"loadq  %1,%0\";
                    418:     }
                    419: 
                    420:   if (which_alternative == 3)          /* unknown const */
                    421:     return \"loada  %a1,%0\";
                    422: }"
                    423: [(set_attr "type" "arith,load,arith,load")
                    424:  (set_attr "cc" "set2,change0,set1,change0")])
                    425: 
                    426: 
                    427: (define_insn ""
                    428:   [(set (match_operand:SI 0 "memory_operand" "=m")
                    429:        (match_operand:SI 1 "int_reg_operand" "r"))]
                    430:   ""
                    431:   "storw  %1,%0"
                    432: [(set_attr "type" "store")])
                    433: 
                    434: ;; movhi
                    435: ;;
                    436: ;; loadh  mem to reg
                    437: ;; storh  reg to mem
                    438: ;;
                    439: ;;
                    440: (define_expand "movhi"
                    441:   [(set (match_operand:HI 0 "general_operand" "")
                    442:        (match_operand:HI 1 "general_operand" ""))]
                    443:   ""
                    444:   "
                    445: {
                    446:   if (GET_CODE (operands[0]) == MEM
                    447:       && ! register_operand (operands[1], HImode))
                    448:     operands[1] = force_reg (HImode, operands[1]);
                    449: }")
                    450: 
                    451: 
                    452: (define_insn ""
                    453:   [(set (match_operand:HI 0 "register_operand" "=r,r,r")
                    454:        (match_operand:HI 1 "general_operand"   "r,m,n"))]
                    455:   ""
                    456:   "@
                    457:    movw   %1,%0
                    458:    loadh  %1,%0
                    459:    loadi  %1,%0"
                    460: [(set_attr "type" "arith,load,arith")])
                    461: 
                    462: (define_insn ""
                    463:   [(set (match_operand:HI 0 "memory_operand"  "=m")
                    464:        (match_operand:HI 1 "register_operand" "r"))]
                    465:   ""
                    466:   "storh  %1,%0"
                    467:  [(set_attr "type" "store")])
                    468: 
                    469: ;; movqi
                    470: ;;
                    471: ;; loadb  mem to reg
                    472: ;; storb  reg to mem
                    473: ;;
                    474: (define_expand "movqi"
                    475:   [(set (match_operand:QI 0 "general_operand" "")
                    476:        (match_operand:QI 1 "general_operand" ""))]
                    477:   ""
                    478:   "
                    479: {
                    480:   if (GET_CODE (operands[0]) == MEM && 
                    481:       ! register_operand (operands[1], QImode))
                    482:     operands[1] = force_reg (QImode, operands[1]);
                    483: }")
                    484: 
                    485: 
                    486: (define_insn ""
                    487:   [(set (match_operand:QI 0 "register_operand" "=r,r,r")
                    488:        (match_operand:QI 1 "general_operand"   "r,m,n"))]
                    489:   ""
                    490:   "@
                    491:    movw   %1,%0
                    492:    loadb  %1,%0
                    493:    loadi  %1,%0"
                    494: [(set_attr "type" "arith,load,arith")])
                    495: 
                    496: (define_insn ""
                    497:   [(set (match_operand:QI 0 "memory_operand" "=m")
                    498:        (match_operand:QI 1 "register_operand" "r"))]
                    499:   ""
                    500:   "storb  %1,%0"
                    501: [(set_attr "type" "store")])
                    502: 
                    503: 
                    504: ;;
                    505: ;; block move
                    506: ;;
                    507: (define_expand "movstrsi"
                    508:   [(parallel
                    509:     [(set (match_operand:BLK 0 "memory_operand" "")
                    510:           (match_operand:BLK 1 "memory_operand" ""))
                    511:      (use (match_operand:SI 2 "general_operand" ""))
                    512:      (use (match_operand:SI 3 "const_int_operand" ""))
                    513:      (clobber (match_scratch:SI 4 ""))
                    514:      (clobber (match_scratch:SI 5 ""))
                    515:      (clobber (match_dup 6))
                    516:      (clobber (match_dup 7))])]
                    517:   ""
                    518:   "
                    519: {
                    520:   rtx addr0, addr1;
                    521: 
                    522:   addr0 = copy_to_mode_reg (Pmode, XEXP (operands[0], 0));
                    523:   addr1 = copy_to_mode_reg (Pmode, XEXP (operands[1], 0));
                    524: 
                    525:   operands[6] = addr0;
                    526:   operands[7] = addr1;
                    527: 
                    528:   operands[0] = gen_rtx (MEM, BLKmode, addr0);
                    529:   operands[1] = gen_rtx (MEM, BLKmode, addr1);
                    530: 
                    531:   if (GET_CODE (operands[2]) != CONST_INT)
                    532:     operands[2] = force_reg (SImode, operands[2]);
                    533: }")
                    534: 
                    535: ;;
                    536: ;; there is a problem with this insn in gcc-2.2.3
                    537: ;; (clobber (match_dup 2)) does not prevent use of this operand later
                    538: ;; we always use a scratch register and leave operand 2 unchanged
                    539: ;;
                    540: (define_insn ""
                    541:   [(set (mem:BLK (match_operand:SI 0 "register_operand" "r"))
                    542:        (mem:BLK (match_operand:SI 1 "register_operand" "r")))
                    543:    (use (match_operand:SI 2 "nonmemory_operand" "rn"))
                    544:    (use (match_operand:SI 3 "const_int_operand" "n"))
                    545:    (clobber (match_scratch:SI 4 "=r"))
                    546:    (clobber (match_scratch:SI 5 "=r"))
                    547:    (clobber (match_dup 0))
                    548:    (clobber (match_dup 1))]
                    549:   ""
                    550:   "*
                    551: {
                    552:   extern void clipper_movstr ();
                    553:   clipper_movstr (operands);
                    554:   return \"\";
                    555: }"
                    556: [(set_attr "cc" "clobber")])
                    557: 
                    558: 
                    559: 
                    560: ;; Extension and truncation insns.
                    561: (define_insn "extendhisi2"
                    562:   [(set (match_operand:SI 0 "int_reg_operand" "=r,r")
                    563:        (sign_extend:SI (match_operand:HI 1 "general_operand" "0,m")))]
                    564:   ""
                    565:   "@
                    566:    andi   $65535,%0\;xori   $32768,%0\;subi   $32768,%0
                    567:    loadh  %1,%0"
                    568: [(set_attr "type" "arith,load")])
                    569: 
                    570: 
                    571: (define_insn "extendqihi2"
                    572:   [(set (match_operand:HI 0 "int_reg_operand" "=r,r")
                    573:        (sign_extend:HI (match_operand:QI 1 "general_operand" "0,m")))]
                    574:   ""
                    575:   "@
                    576:    andi   $255,%0\;xori   $128,%0\;subi   $128,%0
                    577:    loadb  %1,%0"
                    578: [(set_attr "type" "arith,load")
                    579:  (set_attr "cc" "set1,change0")])
                    580: 
                    581: 
                    582: (define_insn "extendqisi2"
                    583:   [(set (match_operand:SI 0 "int_reg_operand" "=r,r")
                    584:        (sign_extend:SI (match_operand:QI 1 "general_operand" "0,m")))]
                    585:   ""
                    586:   "@
                    587:    andi   $255,%0\;xori   $128,%0\;subi   $128,%0
                    588:    loadb  %1,%0"
                    589: [(set_attr "type" "arith,load")])
                    590: 
                    591: 
                    592: (define_insn "extendsfdf2"
                    593:   [(set (match_operand:DF 0 "fp_reg_operand" "=f")
                    594:        (float_extend:DF (match_operand:SF 1 "fp_reg_operand" "f")))]
                    595:   ""
                    596:   "cnvsd  %1,%0")
                    597: 
                    598: (define_insn "truncdfsf2"
                    599:   [(set (match_operand:SF 0 "fp_reg_operand" "=f")
                    600:        (float_truncate:SF (match_operand:DF 1 "fp_reg_operand" "f")))]
                    601:   ""
                    602:   "cnvds  %1,%0")
                    603: 
                    604: (define_insn "zero_extendhisi2"
                    605:   [(set (match_operand:SI 0 "int_reg_operand" "=r,r")
                    606:        (zero_extend:SI (match_operand:HI 1 "general_operand" "0,m")))]
                    607:   ""
                    608:   "@
                    609:    andi   $65535,%0
                    610:    loadhu %1,%0"
                    611: [(set_attr "type" "arith,load")])
                    612: 
                    613: 
                    614: (define_insn "zero_extendqihi2"
                    615:   [(set (match_operand:HI 0 "int_reg_operand" "=r,r")
                    616:        (zero_extend:HI (match_operand:QI 1 "general_operand" "0,m")))]
                    617:   ""
                    618:   "@
                    619:    andi   $255,%0
                    620:    loadbu %1,%0"
                    621: [(set_attr "type" "arith,load")
                    622:  (set_attr "cc" "clobber,clobber")])
                    623: 
                    624: 
                    625: (define_insn "zero_extendqisi2"
                    626:   [(set (match_operand:SI 0 "int_reg_operand" "=r,r")
                    627:        (zero_extend:SI (match_operand:QI 1 "general_operand" "0,m")))]
                    628:   ""
                    629:   "@
                    630:    andi   $255,%0
                    631:    loadbu %1,%0"
                    632: [(set_attr "type" "arith,load")])
                    633: 
                    634: 
                    635: 
                    636: ;; Fix-to-float conversion insns.
                    637: 
                    638: (define_insn "floatsisf2"
                    639:   [(set (match_operand:SF 0 "fp_reg_operand" "=f")
                    640:        (float:SF (match_operand:SI 1 "int_reg_operand" "r")))]
                    641:   ""
                    642:   "cnvws  %1,%0")
                    643: 
                    644: (define_insn "floatsidf2"
                    645:   [(set (match_operand:DF 0 "fp_reg_operand" "=f")
                    646:        (float:DF (match_operand:SI 1 "int_reg_operand" "r")))]
                    647:   ""
                    648:   "cnvwd  %1,%0")
                    649: 
                    650: 
                    651: ;; Float-to-fix conversion insns.
                    652: 
                    653: (define_insn "fix_truncsfsi2"
                    654:   [(set (match_operand:SI 0 "int_reg_operand" "=r")
                    655:        (fix:SI (fix:SF (match_operand:SF 1 "fp_reg_operand" "f"))))]
                    656:   ""
                    657:   "cnvtsw %1,%0")
                    658: 
                    659: (define_insn "fix_truncdfsi2"
                    660:   [(set (match_operand:SI 0 "int_reg_operand" "=r")
                    661:        (fix:SI (fix:DF (match_operand:DF 1 "fp_reg_operand" "f"))))]
                    662:   ""
                    663:   "cnvtdw %1,%0")
                    664: 
                    665: ;;- All kinds of add instructions.
                    666: 
                    667: (define_insn "adddf3"
                    668:   [(set (match_operand:DF 0 "fp_reg_operand" "=f")
                    669:        (plus:DF (match_operand:DF 1 "fp_reg_operand" "0")
                    670:                 (match_operand:DF 2 "fp_reg_operand" "f")))]
                    671:   ""
                    672:   "addd   %2,%0"
                    673:  [(set_attr "type" "fp")])
                    674: 
                    675: 
                    676: (define_insn "addsf3"
                    677:   [(set (match_operand:SF 0 "fp_reg_operand" "=f")
                    678:        (plus:SF (match_operand:SF 1 "fp_reg_operand" "0")
                    679:                 (match_operand:SF 2 "fp_reg_operand" "f")))]
                    680:   ""
                    681:   "adds   %2,%0"
                    682:  [(set_attr "type" "fp")])
                    683: 
                    684: (define_insn "adddi3"
                    685:   [(set (match_operand:DI 0 "int_reg_operand" "=r")
                    686:        (plus:DI (match_operand:DI 1 "int_reg_operand" "%0")
                    687:                 (match_operand:DI 2 "int_reg_operand" "r")))]
                    688:   ""
                    689:   "*
                    690: {
                    691:   rtx xoperands[4];
                    692: 
                    693:   xoperands[0] = operands[0];
                    694:   xoperands[1] = gen_rtx (REG, SImode, REGNO (operands[0]) + 1);
                    695:   xoperands[2] = operands[2];
                    696:   xoperands[3] = gen_rtx (REG, SImode, REGNO (operands[2]) + 1);
                    697:   output_asm_insn (\"addw   %2,%0\;addwc  %3,%1\", xoperands);
                    698:   return \"\";
                    699: }"
                    700: [(set_attr "type" "arith")
                    701:  (set_attr "cc" "clobber")])
                    702: 
                    703: (define_insn "addsi3"
                    704:   [(set (match_operand:SI 0 "int_reg_operand" "=r,r,r")
                    705:        (plus:SI (match_operand:SI 1 "int_reg_operand" "%0,r,r")
                    706:                 (match_operand:SI 2 "nonmemory_operand" "rn,0,rn")))]
                    707:   ""
                    708:   "*
                    709: {
                    710:   if (which_alternative == 2)          /* 3 address version */
                    711:     {
                    712:       if (GET_CODE (operands[2]) == CONST_INT)
                    713:        return \"loada  %a2(%1),%0\";
                    714:       return \"loada  [%2](%1),%0\";
                    715:     }
                    716:                                        /* 2 address version */
                    717:   if (GET_CODE (operands[2]) == CONST_INT)
                    718:     {
                    719:       int val = INTVAL (operands[2]);
                    720: 
                    721:       if (val >= 16 || val == 0x80000000)
                    722:        return \"addi   %2,%0\";
                    723: 
                    724:       if (val < 0)                     /* change to sub */
                    725:        {
                    726:          rtx xops[2];
                    727: 
                    728:          val = -val;
                    729: 
                    730:          xops[0] = operands[0];
                    731:          xops[1] = gen_rtx (CONST_INT, VOIDmode, val);
                    732: 
                    733:          if (val >= 16)
                    734:            output_asm_insn (\"subi   %1,%0\", xops);
                    735:          else
                    736:            output_asm_insn (\"subq   %1,%0\", xops);
                    737: 
                    738:          return \"\";
                    739:        }
                    740: 
                    741:       return \"addq   %2,%0\";
                    742:     }
                    743: 
                    744:   if (which_alternative == 0)
                    745:     return \"addw   %2,%0\";
                    746: 
                    747:   return \"addw   %1,%0\";
                    748: }"
                    749: [(set_attr "type" "arith,arith,arith")
                    750:  (set_attr "cc" "set1,set1,change0")])
                    751: 
                    752: 
                    753: ;;- All kinds of subtract instructions.
                    754: 
                    755: (define_insn "subdi3"
                    756:   [(set (match_operand:DI 0 "int_reg_operand" "=r")
                    757:        (minus:DI (match_operand:DI 1 "int_reg_operand" "%0")
                    758:                  (match_operand:DI 2 "int_reg_operand" "r")))]
                    759:   ""
                    760:   "*
                    761: {
                    762:   rtx xoperands[4];
                    763: 
                    764:   xoperands[0] = operands[0];
                    765:   xoperands[1] = gen_rtx (REG, SImode, REGNO (operands[0]) + 1);
                    766:   xoperands[2] = operands[2];
                    767:   xoperands[3] = gen_rtx (REG, SImode, REGNO (operands[2]) + 1);
                    768:   output_asm_insn (\"subw   %2,%0\;subwc  %3,%1\", xoperands);
                    769:   return \"\";
                    770: }"
                    771: [(set_attr "type" "arith")
                    772:  (set_attr "cc" "clobber")])
                    773: 
                    774: (define_insn "subsi3"
                    775:   [(set (match_operand:SI 0 "int_reg_operand" "=r")
                    776:        (minus:SI (match_operand:SI 1 "int_reg_operand" "0")
                    777:                  (match_operand:SI 2 "nonmemory_operand" "rn")))]
                    778:   ""
                    779:   "*
                    780: {
                    781:   if (GET_CODE (operands[2]) == CONST_INT)
                    782:     {
                    783:       int val = INTVAL (operands[2]);
                    784: 
                    785:       if (val < 0 || val >= 16)
                    786:        return \"subi   %2,%0\";
                    787:       else
                    788:        return \"subq   %2,%0\";
                    789:     }
                    790: 
                    791:   return \"subw   %2,%0\";
                    792: }"
                    793: [(set_attr "type" "arith")])
                    794: 
                    795: (define_insn "subdf3"
                    796:   [(set (match_operand:DF 0 "fp_reg_operand" "=f")
                    797:        (minus:DF (match_operand:DF 1 "fp_reg_operand" "0")
                    798:                  (match_operand:DF 2 "fp_reg_operand" "f")))]
                    799:   ""
                    800:   "subd   %2,%0"
                    801:  [(set_attr "type" "fp")])
                    802: 
                    803: (define_insn "subsf3"
                    804:   [(set (match_operand:SF 0 "fp_reg_operand" "=f")
                    805:        (minus:SF (match_operand:SF 1 "fp_reg_operand" "0")
                    806:                  (match_operand:SF 2 "fp_reg_operand" "f")))]
                    807:   ""
                    808:   "subs   %2,%0"
                    809:  [(set_attr "type" "fp")])
                    810: 
                    811: 
                    812: ;;- Multiply instructions.
                    813: 
                    814: (define_insn "muldf3"
                    815:   [(set (match_operand:DF 0 "fp_reg_operand" "=f")
                    816:        (mult:DF (match_operand:DF 1 "fp_reg_operand" "0")
                    817:                 (match_operand:DF 2 "fp_reg_operand" "f")))]
                    818:   ""
                    819:   "muld   %2,%0"
                    820:  [(set_attr "type" "fp")])
                    821: 
                    822: (define_insn "mulsf3"
                    823:   [(set (match_operand:SF 0 "fp_reg_operand" "=f")
                    824:        (mult:SF (match_operand:SF 1 "fp_reg_operand" "0")
                    825:                 (match_operand:SF 2 "fp_reg_operand" "f")))]
                    826:   ""
                    827:   "muls   %2,%0"
                    828:  [(set_attr "type" "fp")])
                    829: 
                    830: (define_insn "mulsidi3"
                    831:   [(set (match_operand:DI 0 "int_reg_operand" "=r")
                    832:        (mult:DI (sign_extend:DI (match_operand:SI 1 "int_reg_operand" "%0"))
                    833:                 (sign_extend:DI (match_operand:SI 2 "int_reg_operand" "r"))))]
                    834:   ""
                    835:   "mulwx  %2,%0"
                    836: [(set_attr "type" "arith")
                    837:  (set_attr "cc" "clobber")])
                    838: 
                    839: (define_insn "umulsidi3"
                    840:   [(set (match_operand:DI 0 "int_reg_operand" "=r")
                    841:        (mult:DI (zero_extend:DI (match_operand:SI 1 "int_reg_operand" "%0"))
                    842:                 (zero_extend:DI (match_operand:SI 2 "int_reg_operand" "r"))))]
                    843:   ""
                    844:   "mulwux %2,%0"
                    845: [(set_attr "type" "arith")
                    846:  (set_attr "cc" "clobber")])
                    847: 
                    848: (define_insn "mulsi3"
                    849:   [(set (match_operand:SI 0 "int_reg_operand" "=r")
                    850:        (mult:SI (match_operand:SI 1 "int_reg_operand" "%0")
                    851:                 (match_operand:SI 2 "int_reg_operand" "r")))]
                    852:   ""
                    853:   "mulw   %2,%0"
                    854:  [(set_attr "type" "arith")
                    855:   (set_attr "cc" "clobber")])
                    856: 
                    857: 
                    858: ;;- Divide and mod instructions.
                    859: 
                    860: (define_insn "divdf3"
                    861:   [(set (match_operand:DF 0 "fp_reg_operand" "=f")
                    862:        (div:DF (match_operand:DF 1 "fp_reg_operand" "0")
                    863:                (match_operand:DF 2 "fp_reg_operand" "f")))]
                    864:   ""
                    865:   "divd   %2,%0"
                    866:  [(set_attr "type" "fp")])
                    867: 
                    868: (define_insn "divsf3"
                    869:   [(set (match_operand:SF 0 "fp_reg_operand" "=f")
                    870:        (div:SF (match_operand:SF 1 "fp_reg_operand" "0")
                    871:                (match_operand:SF 2 "fp_reg_operand" "f")))]
                    872:   ""
                    873:   "divs   %2,%0"
                    874:  [(set_attr "type" "fp")])
                    875: 
                    876: (define_insn "divsi3"
                    877:   [(set (match_operand:SI 0 "int_reg_operand" "=r")
                    878:        (div:SI (match_operand:SI 1 "int_reg_operand" "0")
                    879:                (match_operand:SI 2 "int_reg_operand" "r")))]
                    880:   ""
                    881:   "divw   %2,%0"
                    882:  [(set_attr "type" "arith")
                    883:   (set_attr "cc" "clobber")])
                    884: 
                    885: (define_insn "udivsi3"
                    886:   [(set (match_operand:SI 0 "int_reg_operand" "=r")
                    887:        (udiv:SI (match_operand:SI 1 "int_reg_operand" "0")
                    888:                 (match_operand:SI 2 "int_reg_operand" "r")))]
                    889:   ""
                    890:   "divwu  %2,%0"
                    891:  [(set_attr "type" "arith")
                    892:   (set_attr "cc" "clobber")])
                    893: 
                    894: 
                    895: (define_insn "modsi3"
                    896:   [(set (match_operand:SI 0 "int_reg_operand" "=r")
                    897:        (mod:SI (match_operand:SI 1 "int_reg_operand" "0")
                    898:                (match_operand:SI 2 "int_reg_operand" "r")))]
                    899:   ""
                    900:   "modw   %2,%0"
                    901:  [(set_attr "type" "arith")
                    902:   (set_attr "cc" "clobber")])
                    903: 
                    904: (define_insn "umodsi3"
                    905:   [(set (match_operand:SI 0 "int_reg_operand" "=r")
                    906:        (umod:SI (match_operand:SI 1 "int_reg_operand" "0")
                    907:                 (match_operand:SI 2 "int_reg_operand" "r")))]
                    908:   ""
                    909:   "modwu  %2,%0"
                    910:  [(set_attr "type" "arith")
                    911:   (set_attr "cc" "clobber")])
                    912: 
                    913: ;;
                    914: ;; bit and/or instructions
                    915: ;;
                    916: (define_insn "andsi3"
                    917:   [(set (match_operand:SI 0 "int_reg_operand" "=r,r")
                    918:         (and:SI (match_operand:SI 1 "int_reg_operand" "%0,0")
                    919:                (match_operand:SI 2 "nonmemory_operand" "r,n")))]
                    920:   ""
                    921:   "@
                    922:    andw   %2,%0
                    923:    andi   %2,%0"
                    924:  [(set_attr "type" "arith")])
                    925: 
                    926: (define_insn "iorsi3"
                    927:   [(set (match_operand:SI 0 "int_reg_operand" "=r,r")
                    928:        (ior:SI (match_operand:SI 1 "int_reg_operand" "%0,0")
                    929:                (match_operand:SI 2 "nonmemory_operand" "r,n")))]
                    930:   ""
                    931:   "@
                    932:    orw    %2,%0
                    933:    ori    %2,%0"
                    934:  [(set_attr "type" "arith")])
                    935: 
                    936: (define_insn "xorsi3"
                    937:   [(set (match_operand:SI 0 "int_reg_operand" "=r,r")
                    938:        (xor:SI (match_operand:SI 1 "int_reg_operand" "%0,0")
                    939:                (match_operand:SI 2 "nonmemory_operand" "r,n")))]
                    940:   ""
                    941:   "@
                    942:    xorw   %2,%0
                    943:    xori   %2,%0"
                    944:  [(set_attr "type" "arith")])
                    945: 
                    946: (define_insn "negdf2"
                    947:   [(set (match_operand:DF 0 "fp_reg_operand" "=f")
                    948:        (neg:DF (match_operand:DF 1 "fp_reg_operand" "f")))]
                    949:   ""
                    950:   "negd   %1,%0"
                    951:  [(set_attr "type" "fp")])
                    952: 
                    953: (define_insn "negsf2"
                    954:   [(set (match_operand:SF 0 "fp_reg_operand" "=f")
                    955:        (neg:SF (match_operand:SF 1 "fp_reg_operand" "f")))]
                    956:   ""
                    957:   "negs   %1,%0"
                    958:  [(set_attr "type" "fp")])
                    959: 
                    960: (define_insn "negsi2"
                    961:   [(set (match_operand:SI 0 "int_reg_operand" "=r")
                    962:        (neg:SI (match_operand:SI 1 "int_reg_operand" "r")))]
                    963:   ""
                    964:   "negw   %1,%0"
                    965:  [(set_attr "type" "arith")])
                    966: 
                    967: 
                    968: (define_insn "one_cmplsi2"
                    969:   [(set (match_operand:SI 0 "int_reg_operand" "=r")
                    970:        (not:SI (match_operand:SI 1 "int_reg_operand" "r")))]
                    971:   ""
                    972:   "notw   %1,%0"
                    973:  [(set_attr "type" "arith")])
                    974: 
                    975: 
                    976: 
                    977: ;; Right shift on the clipper works by negating the shift count,
                    978: ;; then emitting a right shift with the shift count negated.  This means
                    979: ;; that all actual shift counts in the RTL will be positive.
                    980: 
                    981: (define_expand "ashrdi3"
                    982:   [(set (match_operand:DI 0 "int_reg_operand" "")
                    983:        (ashiftrt:DI (match_operand:DI 1 "int_reg_operand" "")
                    984:                     (match_operand:SI 2 "nonmemory_operand" "")))]
                    985:   ""
                    986:   "
                    987: {
                    988:   if (GET_CODE (operands[2]) != CONST_INT)
                    989:     operands[2] = gen_rtx (NEG, SImode, negate_rtx (SImode, operands[2]));
                    990: }")
                    991: 
                    992: (define_insn ""
                    993:   [(set (match_operand:DI 0 "int_reg_operand" "=r")
                    994:        (ashiftrt:DI (match_operand:DI 1 "int_reg_operand" "0")
                    995:                     (match_operand:SI 2 "const_int_operand" "n")))]
                    996:   ""
                    997:   "shali  $%n2,%0"
                    998:  [(set_attr "type" "arith")])
                    999: 
                   1000: (define_insn ""
                   1001:   [(set (match_operand:DI 0 "int_reg_operand" "=r")
                   1002:        (ashiftrt:DI (match_operand:DI 1 "int_reg_operand" "0")
                   1003:                     (neg:SI (match_operand:SI 2 "nonmemory_operand" "r"))))]
                   1004:   ""
                   1005:   "shal   %2,%0"
                   1006:  [(set_attr "type" "arith")])
                   1007: 
                   1008: (define_expand "ashrsi3"
                   1009:   [(set (match_operand:SI 0 "int_reg_operand" "")
                   1010:        (ashiftrt:SI (match_operand:SI 1 "int_reg_operand" "")
                   1011:                     (match_operand:SI 2 "nonmemory_operand" "")))]
                   1012:   ""
                   1013:   "
                   1014: {
                   1015:   if (GET_CODE (operands[2]) != CONST_INT)
                   1016:     operands[2] = gen_rtx (NEG, SImode, negate_rtx (SImode, operands[2]));
                   1017: }")
                   1018: 
                   1019: (define_insn ""
                   1020:   [(set (match_operand:SI 0 "int_reg_operand" "=r")
                   1021:        (ashiftrt:SI (match_operand:SI 1 "int_reg_operand" "0")
                   1022:                     (match_operand:SI 2 "const_int_operand" "n")))]
                   1023:   ""
                   1024:   "shai   $%n2,%0"
                   1025:  [(set_attr "type" "arith")])
                   1026: 
                   1027: (define_insn ""
                   1028:   [(set (match_operand:SI 0 "int_reg_operand" "=r")
                   1029:        (ashiftrt:SI (match_operand:SI 1 "int_reg_operand" "0")
                   1030:                     (neg:SI (match_operand:SI 2 "nonmemory_operand" "r"))))]
                   1031:   ""
                   1032:   "shaw   %2,%0"
                   1033:  [(set_attr "type" "arith")])
                   1034: 
                   1035: ;;
                   1036: ;; left shift
                   1037: ;;
                   1038: 
                   1039: (define_insn "ashldi3"
                   1040:   [(set (match_operand:DI 0 "int_reg_operand" "=r,r")
                   1041:        (ashift:DI (match_operand:DI 1 "int_reg_operand" "0,0")
                   1042:                   (match_operand:SI 2 "nonmemory_operand" "r,n")))]
                   1043:   ""
                   1044:   "@
                   1045:    shal   %2,%0
                   1046:    shali  %2,%0"
                   1047:  [(set_attr "type" "arith")])
                   1048: 
                   1049: 
                   1050: (define_insn "ashlsi3"
                   1051:   [(set (match_operand:SI 0 "int_reg_operand" "=r,r")
                   1052:        (ashift:SI (match_operand:SI 1 "int_reg_operand" "0,0")
                   1053:                   (match_operand:SI 2 "nonmemory_operand" "r,n")))]
                   1054:   ""
                   1055:   "*
                   1056: {
                   1057:   int val;
                   1058: 
                   1059:   if (which_alternative == 0)
                   1060:    return \"shaw   %2,%0\";
                   1061: 
                   1062:   val = INTVAL (operands[2]);
                   1063: 
                   1064:   if (val == 2)
                   1065:     return \"addw   %0,%0\;addw   %0,%0\";
                   1066: 
                   1067:   if (val == 1)
                   1068:     return \"addw   %0,%0\";
                   1069: 
                   1070:   return \"shai   %2,%0\";
                   1071: }"
                   1072: [(set_attr "type" "arith")])
                   1073: 
                   1074: ;;
                   1075: ;; logical shift
                   1076: ;;
                   1077: 
                   1078: (define_expand "lshrdi3"
                   1079:   [(set (match_operand:DI 0 "int_reg_operand" "")
                   1080:        (lshiftrt:DI (match_operand:DI 1 "int_reg_operand" "")
                   1081:                     (match_operand:SI 2 "nonmemory_operand" "")))]
                   1082:   ""
                   1083:   "
                   1084: {
                   1085:   if (GET_CODE (operands[2]) != CONST_INT)
                   1086:     operands[2] = gen_rtx (NEG, SImode, negate_rtx (SImode, operands[2]));
                   1087: }")
                   1088: 
                   1089: (define_insn ""
                   1090:   [(set (match_operand:DI 0 "int_reg_operand" "=r")
                   1091:        (lshiftrt:DI (match_operand:DI 1 "int_reg_operand" "0")
                   1092:                     (match_operand:SI 2 "const_int_operand" "n")))]
                   1093:   ""
                   1094:   "shlli  $%n2,%0"
                   1095:  [(set_attr "type" "arith")])
                   1096: 
                   1097: (define_insn ""
                   1098:   [(set (match_operand:DI 0 "int_reg_operand" "=r")
                   1099:        (lshiftrt:DI (match_operand:DI 1 "int_reg_operand" "0")
                   1100:                     (neg:SI (match_operand:SI 2 "nonmemory_operand" "r"))))]
                   1101:   ""
                   1102:   "shll   %2,%0"
                   1103:  [(set_attr "type" "arith")])
                   1104: 
                   1105: (define_expand "lshrsi3"
                   1106:   [(set (match_operand:SI 0 "int_reg_operand" "")
                   1107:        (lshiftrt:SI (match_operand:SI 1 "int_reg_operand" "")
                   1108:                     (match_operand:SI 2 "nonmemory_operand" "")))]
                   1109:   ""
                   1110:   "
                   1111: {
                   1112:   if (GET_CODE (operands[2]) != CONST_INT)
                   1113:     operands[2] = gen_rtx (NEG, SImode, negate_rtx (SImode, operands[2]));
                   1114: }")
                   1115: 
                   1116: (define_insn ""
                   1117:   [(set (match_operand:SI 0 "int_reg_operand" "=r")
                   1118:        (lshiftrt:SI (match_operand:SI 1 "int_reg_operand" "0")
                   1119:                     (match_operand:SI 2 "const_int_operand" "n")))]
                   1120:   ""
                   1121:   "shli   $%n2,%0"
                   1122:  [(set_attr "type" "arith")])
                   1123: 
                   1124: (define_insn ""
                   1125:   [(set (match_operand:SI 0 "int_reg_operand" "=r")
                   1126:        (lshiftrt:SI (match_operand:SI 1 "int_reg_operand" "0")
                   1127:                     (neg:SI (match_operand:SI 2 "nonmemory_operand" "r"))))]
                   1128:   ""
                   1129:   "shlw   %2,%0"
                   1130:  [(set_attr "type" "arith")])
                   1131: 
                   1132: (define_insn "lshldi3"
                   1133:   [(set (match_operand:DI 0 "int_reg_operand" "=r,r")
                   1134:        (lshift:DI (match_operand:DI 1 "int_reg_operand" "0,0")
                   1135:                   (match_operand:SI 2 "nonmemory_operand" "r,n")))]
                   1136:   ""
                   1137:   "@
                   1138:    shll   %2,%0
                   1139:    shlli  %2,%0"
                   1140:  [(set_attr "type" "arith")])
                   1141: 
                   1142: (define_insn "lshlsi3"
                   1143:   [(set (match_operand:SI 0 "int_reg_operand" "=r,r")
                   1144:        (lshift:SI (match_operand:SI 1 "int_reg_operand" "0,0")
                   1145:                   (match_operand:SI 2 "nonmemory_operand" "r,n")))]
                   1146:   ""
                   1147:   "@
                   1148:    shlw   %2,%0
                   1149:    shli   %2,%0"
                   1150:  [(set_attr "type" "arith")])
                   1151: 
                   1152: ;;
                   1153: ;; rotate insn
                   1154: ;;
                   1155: (define_expand "rotrdi3"
                   1156:   [(set (match_operand:DI 0 "int_reg_operand" "")
                   1157:        (rotatert:DI (match_operand:DI 1 "int_reg_operand" "")
                   1158:                     (match_operand:SI 2 "nonmemory_operand" "")))]
                   1159:   ""
                   1160:   "
                   1161: {
                   1162:   if (GET_CODE (operands[2]) != CONST_INT)
                   1163:     operands[2] = gen_rtx (NEG, SImode, negate_rtx (SImode, operands[2]));
                   1164: }")
                   1165: 
                   1166: (define_insn ""
                   1167:   [(set (match_operand:DI 0 "int_reg_operand" "=r")
                   1168:        (rotatert:DI (match_operand:DI 1 "int_reg_operand" "0")
                   1169:                     (match_operand:SI 2 "const_int_operand" "n")))]
                   1170:   ""
                   1171:   "rotli  $%n2,%0"
                   1172:  [(set_attr "type" "arith")])
                   1173: 
                   1174: (define_insn ""
                   1175:   [(set (match_operand:DI 0 "int_reg_operand" "=r")
                   1176:        (rotatert:DI (match_operand:DI 1 "int_reg_operand" "0")
                   1177:                     (neg:SI (match_operand:SI 2 "nonmemory_operand" "r"))))]
                   1178:   ""
                   1179:   "rotl   %2,%0"
                   1180:  [(set_attr "type" "arith")])
                   1181: 
                   1182: (define_expand "rotrsi3"
                   1183:   [(set (match_operand:SI 0 "int_reg_operand" "")
                   1184:        (rotatert:SI (match_operand:SI 1 "int_reg_operand" "")
                   1185:                     (match_operand:SI 2 "nonmemory_operand" "")))]
                   1186:   ""
                   1187:   "
                   1188: {
                   1189:   if (GET_CODE (operands[2]) != CONST_INT)
                   1190:     operands[2] = gen_rtx (NEG, SImode, negate_rtx (SImode, operands[2]));
                   1191: }")
                   1192: 
                   1193: (define_insn ""
                   1194:   [(set (match_operand:SI 0 "int_reg_operand" "=r")
                   1195:        (rotatert:SI (match_operand:SI 1 "int_reg_operand" "0")
                   1196:                     (match_operand:SI 2 "const_int_operand" "n")))]
                   1197:   ""
                   1198:   "roti   $%n2,%0"
                   1199:  [(set_attr "type" "arith")])
                   1200: 
                   1201: (define_insn ""
                   1202:   [(set (match_operand:SI 0 "int_reg_operand" "=r")
                   1203:        (rotatert:SI (match_operand:SI 1 "int_reg_operand" "0")
                   1204:                     (neg:SI (match_operand:SI 2 "nonmemory_operand" "r"))))]
                   1205:   ""
                   1206:   "rotw   %2,%0"
                   1207:  [(set_attr "type" "arith")])
                   1208: 
                   1209: (define_insn "rotldi3"
                   1210:   [(set (match_operand:DI 0 "int_reg_operand" "=r,r")
                   1211:        (rotate:DI (match_operand:DI 1 "int_reg_operand" "0,0")
                   1212:                   (match_operand:SI 2 "nonmemory_operand" "r,n")))]
                   1213:   ""
                   1214:   "@
                   1215:    rotl   %2,%0
                   1216:    rotli  %2,%0"
                   1217:  [(set_attr "type" "arith")])
                   1218: 
                   1219: (define_insn "rotlsi3"
                   1220:   [(set (match_operand:SI 0 "int_reg_operand" "=r,r")
                   1221:        (rotate:SI (match_operand:SI 1 "int_reg_operand" "0,0")
                   1222:                   (match_operand:SI 2 "nonmemory_operand" "r,n")))]
                   1223:   ""
                   1224:   "@
                   1225:    rotw   %2,%0
                   1226:    roti   %2,%0"
                   1227:  [(set_attr "type" "arith")])
                   1228: 
                   1229: 
                   1230: ;;
                   1231: ;; jump and branch insns
                   1232: ;;
                   1233: (define_insn "jump"
                   1234:   [(set (pc)
                   1235:        (label_ref (match_operand 0 "" "")))]
                   1236:   ""
                   1237:   "b      %l0"
                   1238:  [(set_attr "type" "branch")])
                   1239: 
                   1240: (define_insn "tablejump"
                   1241:   [(set (pc) (match_operand:SI 0 "register_operand" "r"))
                   1242:    (use (label_ref (match_operand 1 "" "")))]
                   1243:   ""
                   1244:   "b      (%0)"
                   1245:  [(set_attr "type" "branch")])
                   1246: 
                   1247: (define_insn "beq"
                   1248:   [(set (pc)
                   1249:        (if_then_else (eq (cc0)
                   1250:                          (const_int 0))
                   1251:                      (label_ref (match_operand 0 "" ""))
                   1252:                      (pc)))]
                   1253:   ""
                   1254:   "breq   %l0"
                   1255:  [(set_attr "type" "branch")])
                   1256: 
                   1257: (define_insn "bne"
                   1258:   [(set (pc)
                   1259:        (if_then_else (ne (cc0)
                   1260:                          (const_int 0))
                   1261:                      (label_ref (match_operand 0 "" ""))
                   1262:                      (pc)))]
                   1263:   ""
                   1264:   "brne   %l0"
                   1265:  [(set_attr "type" "branch")])
                   1266: 
                   1267: (define_insn "bgt"
                   1268:   [(set (pc)
                   1269:        (if_then_else (gt (cc0)
                   1270:                          (const_int 0))
                   1271:                      (label_ref (match_operand 0 "" ""))
                   1272:                      (pc)))]
                   1273:   ""
                   1274:   "brgt   %l0"
                   1275:  [(set_attr "type" "branch")])
                   1276: 
                   1277: (define_insn "bgtu"
                   1278:   [(set (pc)
                   1279:        (if_then_else (gtu (cc0)
                   1280:                           (const_int 0))
                   1281:                      (label_ref (match_operand 0 "" ""))
                   1282:                      (pc)))]
                   1283:   ""
                   1284:   "brgtu  %l0"
                   1285:  [(set_attr "type" "branch")])
                   1286: 
                   1287: (define_insn "blt"
                   1288:   [(set (pc)
                   1289:        (if_then_else (lt (cc0)
                   1290:                          (const_int 0))
                   1291:                      (label_ref (match_operand 0 "" ""))
                   1292:                      (pc)))]
                   1293:   ""
                   1294:   "brlt   %l0"
                   1295:  [(set_attr "type" "branch")])
                   1296: 
                   1297: (define_insn "bltu"
                   1298:   [(set (pc)
                   1299:        (if_then_else (ltu (cc0)
                   1300:                           (const_int 0))
                   1301:                      (label_ref (match_operand 0 "" ""))
                   1302:                      (pc)))]
                   1303:   ""
                   1304:   "brltu  %l0"
                   1305:  [(set_attr "type" "branch")])
                   1306: 
                   1307: (define_insn "bge"
                   1308:   [(set (pc)
                   1309:        (if_then_else (ge (cc0)
                   1310:                          (const_int 0))
                   1311:                      (label_ref (match_operand 0 "" ""))
                   1312:                      (pc)))]
                   1313:   ""
                   1314:   "brge   %l0"
                   1315:  [(set_attr "type" "branch")])
                   1316: 
                   1317: (define_insn "bgeu"
                   1318:   [(set (pc)
                   1319:        (if_then_else (geu (cc0)
                   1320:                           (const_int 0))
                   1321:                      (label_ref (match_operand 0 "" ""))
                   1322:                      (pc)))]
                   1323:   ""
                   1324:   "brgeu  %l0"
                   1325:  [(set_attr "type" "branch")])
                   1326: 
                   1327: (define_insn "ble"
                   1328:   [(set (pc)
                   1329:        (if_then_else (le (cc0)
                   1330:                          (const_int 0))
                   1331:                      (label_ref (match_operand 0 "" ""))
                   1332:                      (pc)))]
                   1333:  ""
                   1334:  "brle   %l0"
                   1335:  [(set_attr "type" "branch")])
                   1336: 
                   1337: (define_insn "bleu"
                   1338:   [(set (pc)
                   1339:        (if_then_else (leu (cc0)
                   1340:                           (const_int 0))
                   1341:                      (label_ref (match_operand 0 "" ""))
                   1342:                      (pc)))]
                   1343:  ""
                   1344:  "brleu  %l0"
                   1345:  [(set_attr "type" "branch")])
                   1346: 
                   1347: ;; Recognize reversed jumps.
                   1348: (define_insn ""
                   1349:   [(set (pc)
                   1350:        (if_then_else (match_operator 0 "comparison_operator"
                   1351:                                      [(cc0)
                   1352:                                       (const_int 0)])
                   1353:                      (pc)
                   1354:                      (label_ref (match_operand 1 "" ""))))]
                   1355:  ""
                   1356:  "br%C0    %l1" ; %C0 negates condition
                   1357:  [(set_attr "type" "branch")])
                   1358: 
                   1359: ;;
                   1360: ;; call instructions
                   1361: ;;
                   1362: (define_insn "call"
                   1363:   [(call (match_operand:QI 0 "general_operand" "m")
                   1364:         (match_operand:SI 1 "general_operand" ""))]
                   1365:   ;; Operand 1 not used on the clipper.
                   1366:   ""
                   1367:   "call   sp,%0")
                   1368: 
                   1369: (define_insn "call_value"
                   1370:   [(set (match_operand 0 "" "=rf")
                   1371:        (call (match_operand:QI 1 "general_operand" "m")
                   1372:              (match_operand:SI 2 "general_operand" "g")))]
                   1373:   ;; Operand 2 not used on the clipper
                   1374:   ""
                   1375:   "call   sp,%1")
                   1376: 
                   1377: (define_insn "indirect_jump"
                   1378:   [(set (pc) (match_operand:SI 0 "register_operand" "r"))]
                   1379:   ""
                   1380:   "b      (%0)"
                   1381:  [(set_attr "type" "branch")])
                   1382: 
                   1383: 
                   1384: (define_insn "nop"
                   1385:   [(const_int 0)]
                   1386:   ""
                   1387:   "noop"
                   1388:  [(set_attr "type" "arith")
                   1389:   (set_attr "cc" "unchanged")])
                   1390: 
                   1391: 
                   1392: 
                   1393: ;; while (--foo >= 0)
                   1394: ;;
                   1395: ;; Combiners for 'decrement test and branch' do not work for clipper.
                   1396: ;; These patters are jump_insns that do not allow output reloads and clipper
                   1397: ;; can only decrement and test registers.
                   1398: ;;

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