|
|
1.1 ! root 1: ;;- Machine description Acorn RISC Machine for GNU compiler ! 2: ;; Copyright (C) 1991 Free Software Foundation, Inc. ! 3: ;; Contributed by Pieter `Tiggr' Schoenmakers ([email protected]) ! 4: ;; and Martin Simmons (@harleqn.co.uk). ! 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: ;;- See file "rtl.def" for documentation on define_insn, match_*, et. al. ! 23: ! 24: ;; Every template must be output by arm_output_asm_insn, since this keeps ! 25: ;; track of the offset of labels within the text segment. This is needed to ! 26: ;; to be able to (correctly) output instructions for loading a value from a ! 27: ;; function's constant pool, since different instructions are needed when the ! 28: ;; constant pool is more than 4095 bytes away from the PC. ! 29: ! 30: ;; Addition insns. ! 31: ! 32: (define_insn "adddi3" ! 33: [(set (match_operand:DI 0 "di_operand" "=&r") ! 34: (plus:DI (match_operand:DI 1 "di_operand" "%r") ! 35: (match_operand:DI 2 "di_operand" "r")))] ! 36: "" ! 37: "* ! 38: arm_output_asm_insn (\"adds\\t%0, %1, %2\", operands); ! 39: return (arm_output_asm_insn (\"adc\\t%R0, %R1, %R2\", operands)); ! 40: ") ! 41: ! 42: (define_insn "addsi3" ! 43: [(set (match_operand:SI 0 "register_operand" "=r,r") ! 44: (plus:SI (match_operand:SI 1 "register_operand" "r,r") ! 45: (match_operand:SI 2 "general_operand" "r,n")))] ! 46: "" ! 47: "* ! 48: switch (which_alternative) ! 49: { ! 50: case 0: ! 51: return (arm_output_asm_insn (\"add\\t%0, %1, %2\", operands)); ! 52: case 1: ! 53: return (output_add_immediate (operands)); ! 54: } ! 55: ") ! 56: ! 57: (define_insn "addsf3" ! 58: [(set (match_operand:SF 0 "register_operand" "=f") ! 59: (plus:SF (match_operand:SF 1 "register_operand" "f") ! 60: (match_operand:SF 2 "fpu_rhs_operand" "fG")))] ! 61: "" ! 62: "* ! 63: return (arm_output_asm_insn (\"adfs\\t%0, %1, %2\", operands)); ! 64: ") ! 65: ! 66: (define_insn "adddf3" ! 67: [(set (match_operand:DF 0 "register_operand" "=f") ! 68: (plus:DF (match_operand:DF 1 "register_operand" "f") ! 69: (match_operand:DF 2 "fpu_rhs_operand" "fG")))] ! 70: "" ! 71: "* ! 72: return (arm_output_asm_insn (\"adfd\\t%0, %1, %2\", operands)); ! 73: ") ! 74: ! 75: (define_insn "subdi3" ! 76: [(set (match_operand:DI 0 "di_operand" "=&r") ! 77: (minus:DI (match_operand:DI 1 "di_operand" "%r") ! 78: (match_operand:DI 2 "di_operand" "r")))] ! 79: "" ! 80: "* ! 81: arm_output_asm_insn (\"subs\\t%0, %1, %2\", operands); ! 82: return (arm_output_asm_insn (\"sbc\\t%R0, %R1, %R2\", operands)); ! 83: ") ! 84: ! 85: (define_insn "subsi3" ! 86: [(set (match_operand:SI 0 "register_operand" "=r,r,r") ! 87: (minus:SI (match_operand:SI 1 "arm_rhs_operand" "r,r,I") ! 88: (match_operand:SI 2 "general_operand" "r,n,r")))] ! 89: "" ! 90: "* ! 91: switch (which_alternative) ! 92: { ! 93: case 0: ! 94: return (arm_output_asm_insn (\"sub\\t%0, %1, %2\", operands)); ! 95: case 1: ! 96: operands[2] = gen_rtx (CONST_INT, VOIDmode, -INTVAL (operands[2])); ! 97: return (output_add_immediate (operands)); ! 98: case 2: ! 99: return (arm_output_asm_insn (\"rsb\\t%0, %2, %1\", operands)); ! 100: } ! 101: ") ! 102: ! 103: (define_insn "subsf3" ! 104: [(set (match_operand:SF 0 "register_operand" "=f,f") ! 105: (minus:SF (match_operand:SF 1 "fpu_rhs_operand" "f,G") ! 106: (match_operand:SF 2 "fpu_rhs_operand" "fG,f")))] ! 107: "" ! 108: "* ! 109: switch (which_alternative) ! 110: { ! 111: case 0: ! 112: return (arm_output_asm_insn (\"sufs\\t%0, %1, %2\", operands)); ! 113: case 1: ! 114: return (arm_output_asm_insn (\"rsfs\\t%0, %2, %1\", operands)); ! 115: } ! 116: ") ! 117: ! 118: (define_insn "subdf3" ! 119: [(set (match_operand:DF 0 "register_operand" "=f,f") ! 120: (minus:DF (match_operand:DF 1 "fpu_rhs_operand" "f,G") ! 121: (match_operand:DF 2 "fpu_rhs_operand" "fG,f")))] ! 122: "" ! 123: "* ! 124: switch (which_alternative) ! 125: { ! 126: case 0: ! 127: return (arm_output_asm_insn (\"sufd\\t%0, %1, %2\", operands)); ! 128: case 2: ! 129: return (arm_output_asm_insn (\"rsfd\\t%0, %2, %1\", operands)); ! 130: } ! 131: ") ! 132: ! 133: ;; Multiplication insns ! 134: ! 135: ;; The `&' is too strict, but at least generates correct code. ! 136: (define_insn "mulsi3" ! 137: [(set (match_operand:SI 0 "register_operand" "=&r") ! 138: (mult:SI (match_operand:SI 1 "register_operand" "%r") ! 139: (match_operand:SI 2 "register_operand" "r")))] ! 140: "" ! 141: "* ! 142: if (REGNO (operands[0]) == REGNO (operands[1])) ! 143: return (arm_output_asm_insn (\"mul\\t%0, %2, %1\", operands)); ! 144: else ! 145: return (arm_output_asm_insn (\"mul\\t%0, %1, %2\", operands)); ! 146: ") ! 147: ! 148: ;; Unnamed templates to match MLA instruction. ! 149: ! 150: (define_insn "" ! 151: [(set (match_operand:SI 0 "register_operand" "=&r") ! 152: (plus:SI ! 153: (mult:SI (match_operand:SI 1 "register_operand" "%r") ! 154: (match_operand:SI 2 "register_operand" "r")) ! 155: (match_operand:SI 3 "register_operand" "r")))] ! 156: "" ! 157: "* ! 158: if (REGNO (operands[0]) == REGNO (operands[1])) ! 159: return (arm_output_asm_insn (\"mla\\t%0, %2, %1, %3\", operands)); ! 160: else ! 161: return (arm_output_asm_insn (\"mla\\t%0, %1, %2, %3\", operands)); ! 162: ") ! 163: ! 164: (define_insn "" ! 165: [(set (match_operand:SI 0 "register_operand" "=&r") ! 166: (plus:SI ! 167: (match_operand:SI 3 "register_operand" "r") ! 168: (mult:SI (match_operand:SI 1 "register_operand" "%r") ! 169: (match_operand:SI 2 "register_operand" "r"))))] ! 170: "" ! 171: "* ! 172: if (REGNO (operands[0]) == REGNO (operands[1])) ! 173: return (arm_output_asm_insn (\"mla\\t%0, %2, %1, %3\", operands)); ! 174: else ! 175: return (arm_output_asm_insn (\"mla\\t%0, %1, %2, %3\", operands)); ! 176: ") ! 177: ! 178: (define_insn "mulsf3" ! 179: [(set (match_operand:SF 0 "register_operand" "=f") ! 180: (mult:SF (match_operand:SF 1 "register_operand" "f") ! 181: (match_operand:SF 2 "fpu_rhs_operand" "fG")))] ! 182: "" ! 183: "*return (arm_output_asm_insn (\"mufs\\t%0, %1, %2\", operands));") ! 184: ! 185: (define_insn "muldf3" ! 186: [(set (match_operand:DF 0 "register_operand" "=f") ! 187: (mult:DF (match_operand:DF 1 "register_operand" "f") ! 188: (match_operand:DF 2 "fpu_rhs_operand" "fG")))] ! 189: "" ! 190: "* ! 191: return (arm_output_asm_insn (\"mufd\\t%0, %1, %2\", operands)); ! 192: ") ! 193: ! 194: ;; Division insns ! 195: ! 196: (define_insn "divsf3" ! 197: [(set (match_operand:SF 0 "register_operand" "=f,f") ! 198: (div:SF (match_operand:SF 1 "fpu_rhs_operand" "f,G") ! 199: (match_operand:SF 2 "fpu_rhs_operand" "fG,f")))] ! 200: "" ! 201: "* ! 202: switch (which_alternative) ! 203: { ! 204: case 0: ! 205: return (arm_output_asm_insn (\"dvfs\\t%0, %1, %2\", operands)); ! 206: case 1: ! 207: return (arm_output_asm_insn (\"rdfs\\t%0, %2, %1\", operands)); ! 208: } ! 209: ") ! 210: ! 211: (define_insn "divdf3" ! 212: [(set (match_operand:DF 0 "register_operand" "=f,f") ! 213: (div:DF (match_operand:DF 1 "fpu_rhs_operand" "f,G") ! 214: (match_operand:DF 2 "fpu_rhs_operand" "fG,f")))] ! 215: "" ! 216: "* ! 217: switch (which_alternative) ! 218: { ! 219: case 0: ! 220: return (arm_output_asm_insn (\"dvfd\\t%0, %1, %2\", operands)); ! 221: case 1: ! 222: return (arm_output_asm_insn (\"rdfd\\t%0, %2, %1\", operands)); ! 223: } ! 224: ") ! 225: ! 226: ;; Modulo insns ! 227: ! 228: (define_insn "modsf3" ! 229: [(set (match_operand:SF 0 "register_operand" "=f") ! 230: (mod:SF (match_operand:SF 1 "register_operand" "f") ! 231: (match_operand:SF 2 "fpu_rhs_operand" "fG")))] ! 232: "" ! 233: "* ! 234: return (arm_output_asm_insn (\"rmfs\\t%0, %1, %2\", operands)); ! 235: ") ! 236: ! 237: (define_insn "moddf3" ! 238: [(set (match_operand:DF 0 "register_operand" "=f") ! 239: (mod:DF (match_operand:DF 1 "register_operand" "f") ! 240: (match_operand:DF 2 "fpu_rhs_operand" "fG")))] ! 241: "" ! 242: "* ! 243: return (arm_output_asm_insn (\"rmfd\\t%0, %1, %2\", operands)); ! 244: ") ! 245: ! 246: ;; Boolean and,ior,xor insns ! 247: ! 248: (define_insn "anddi3" ! 249: [(set (match_operand:DI 0 "di_operand" "=&r") ! 250: (and:DI (match_operand:DI 1 "di_operand" "%r") ! 251: (match_operand:DI 2 "di_operand" "r")))] ! 252: "" ! 253: "* ! 254: arm_output_asm_insn (\"and\\t%0, %1, %2\", operands); ! 255: return (arm_output_asm_insn (\"and\\t%R0, %R1, %R2\", operands)); ! 256: ") ! 257: ! 258: (define_insn "andsi3" ! 259: [(set (match_operand:SI 0 "register_operand" "=r") ! 260: (and:SI (match_operand:SI 1 "register_operand" "r") ! 261: (match_operand:SI 2 "arm_rhs_operand" "rI")))] ! 262: "" ! 263: "* ! 264: return (arm_output_asm_insn (\"and\\t%0, %1, %2\", operands)); ! 265: ") ! 266: ! 267: (define_insn "andcbsi3" ! 268: [(set (match_operand:SI 0 "register_operand" "=r") ! 269: (and:SI (match_operand:SI 1 "register_operand" "r") ! 270: (not:SI (match_operand:SI 2 "arm_rhs_operand" "rI"))))] ! 271: "" ! 272: "* ! 273: return (arm_output_asm_insn (\"bic\\t%0, %1, %2\", operands)); ! 274: ") ! 275: ! 276: (define_insn "iordi3" ! 277: [(set (match_operand:DI 0 "di_operand" "=&r") ! 278: (ior:DI (match_operand:DI 1 "di_operand" "%r") ! 279: (match_operand:DI 2 "di_operand" "r")))] ! 280: "" ! 281: "* ! 282: arm_output_asm_insn (\"orr\\t%0, %1, %2\", operands); ! 283: return (arm_output_asm_insn (\"orr\\t%R0, %R1, %R2\", operands)); ! 284: ") ! 285: ! 286: (define_insn "iorsi3" ! 287: [(set (match_operand:SI 0 "register_operand" "=r,r") ! 288: (ior:SI (match_operand:SI 1 "register_operand" "r,r") ! 289: (match_operand:SI 2 "nonmemory_operand" "r,n")))] ! 290: "" ! 291: "* ! 292: switch (which_alternative) ! 293: { ! 294: case 0: ! 295: return (arm_output_asm_insn (\"orr\\t%0, %1, %2\", operands)); ! 296: case 1: ! 297: return (output_multi_immediate (operands, ! 298: \"orr\\t%0, %1, %2\", \"orr\\t%0, %0, %2\", ! 299: 2, INTVAL (operands[2]))); ! 300: } ! 301: ") ! 302: ! 303: (define_insn "xorsi3" ! 304: [(set (match_operand:SI 0 "register_operand" "=r,r") ! 305: (xor:SI (match_operand:SI 1 "register_operand" "r,r") ! 306: (match_operand:SI 2 "nonmemory_operand" "r,n")))] ! 307: "" ! 308: "* ! 309: switch (which_alternative) ! 310: { ! 311: case 0: ! 312: return (arm_output_asm_insn (\"eor\\t%0, %1, %2\", operands)); ! 313: case 1: ! 314: return (output_multi_immediate (operands, ! 315: \"eor\\t%0, %1, %2\", \"eor\\t%0, %0, %2\", ! 316: 2, INTVAL (operands[2]))); ! 317: } ! 318: ") ! 319: ! 320: ;; Shift and rotation insns ! 321: ! 322: (define_insn "ashlsi3" ! 323: [(set (match_operand:SI 0 "register_operand" "=r") ! 324: (ashift:SI (match_operand:SI 1 "register_operand" "r") ! 325: (match_operand:SI 2 "general_operand" "rn")))] ! 326: "" ! 327: "* ! 328: return (output_shifted_move (ASHIFT, operands)); ! 329: ") ! 330: ! 331: (define_insn "ashrsi3" ! 332: [(set (match_operand:SI 0 "register_operand" "=r") ! 333: (ashiftrt:SI (match_operand:SI 1 "register_operand" "r") ! 334: (match_operand:SI 2 "general_operand" "rn")))] ! 335: "" ! 336: "* ! 337: return (output_shifted_move (ASHIFTRT, operands)); ! 338: ") ! 339: ! 340: ;; lshlsi3 is not defined because shift counts cannot be negative ! 341: ;; An unnamed pattern is needed for expansion of zero_extend. ! 342: ! 343: (define_insn "" ! 344: [(set (match_operand:SI 0 "register_operand" "=r") ! 345: (lshift:SI (match_operand:SI 1 "register_operand" "r") ! 346: (match_operand:SI 2 "general_operand" "rn")))] ! 347: "" ! 348: "* ! 349: return (output_shifted_move (LSHIFT, operands)); ! 350: ") ! 351: ! 352: (define_insn "lshrsi3" ! 353: [(set (match_operand:SI 0 "register_operand" "=r") ! 354: (lshiftrt:SI (match_operand:SI 1 "register_operand" "r") ! 355: (match_operand:SI 2 "general_operand" "rn")))] ! 356: "" ! 357: "* ! 358: return (output_shifted_move (LSHIFTRT, operands)); ! 359: ") ! 360: ! 361: ;; rotlsi3 is not defined yet to see what happens ! 362: ! 363: (define_insn "rotrsi3" ! 364: [(set (match_operand:SI 0 "register_operand" "=r,r") ! 365: (rotatert:SI (match_operand:SI 1 "register_operand" "r,r") ! 366: (match_operand:SI 2 "general_operand" "r,n")))] ! 367: "" ! 368: "* ! 369: switch (which_alternative) ! 370: { ! 371: case 0: ! 372: return (arm_output_asm_insn (\"mov\\t%0, %1,ror %2\", operands)); ! 373: case 1: ! 374: if (INTVAL(operands[2]) > 31) ! 375: operands[2] = gen_rtx (CONST_INT, VOIDmode, INTVAL (operands[2]) % 32); ! 376: return (arm_output_asm_insn (\"mov\\t%0, %1,ror%2\", operands)); ! 377: } ! 378: ") ! 379: ! 380: ;; Unary arithmetic insns ! 381: ! 382: (define_insn "negdi2" ! 383: [(set (match_operand:DI 0 "di_operand" "=&r") ! 384: (neg:DI (match_operand:DI 1 "di_operand" "r")))] ! 385: "" ! 386: "* ! 387: arm_output_asm_insn (\"rsb\\t%0, %1, #0\", operands); ! 388: return (arm_output_asm_insn (\"rsc\\t%R0, %R1, #0\", operands)); ! 389: ") ! 390: ! 391: (define_insn "negsi2" ! 392: [(set (match_operand:SI 0 "register_operand" "=r") ! 393: (neg:SI (match_operand:SI 1 "register_operand" "r")))] ! 394: "" ! 395: "* ! 396: return (arm_output_asm_insn (\"rsb\\t%0, %1, #0\", operands)); ! 397: ") ! 398: ! 399: (define_insn "negsf2" ! 400: [(set (match_operand:SF 0 "register_operand" "=f") ! 401: (neg:SF (match_operand:SF 1 "register_operand" "f")))] ! 402: "" ! 403: "* ! 404: return (arm_output_asm_insn (\"mnfs\\t%0, %1\", operands)); ! 405: ") ! 406: ! 407: (define_insn "negdf2" ! 408: [(set (match_operand:DF 0 "register_operand" "=f") ! 409: (neg:DF (match_operand:DF 1 "register_operand" "f")))] ! 410: "" ! 411: "* ! 412: return (arm_output_asm_insn (\"mnfd\\t%0, %1\", operands)); ! 413: ") ! 414: ! 415: (define_insn "abssf2" ! 416: [(set (match_operand:SF 0 "register_operand" "=f") ! 417: (abs:SF (match_operand:SF 1 "register_operand" "f")))] ! 418: "" ! 419: "* ! 420: return (arm_output_asm_insn (\"abss\\t%0, %1\", operands)); ! 421: ") ! 422: ! 423: (define_insn "absdf2" ! 424: [(set (match_operand:DF 0 "register_operand" "=f") ! 425: (abs:DF (match_operand:DF 1 "register_operand" "f")))] ! 426: "" ! 427: "* ! 428: return (arm_output_asm_insn (\"absd\\t%0, %1\", operands)); ! 429: ") ! 430: ! 431: (define_insn "sqrtsf2" ! 432: [(set (match_operand:SF 0 "register_operand" "=f") ! 433: (sqrt:SF (match_operand:SF 1 "register_operand" "f")))] ! 434: "" ! 435: "* ! 436: return (arm_output_asm_insn (\"sqts\\t%0, %1\", operands)); ! 437: ") ! 438: ! 439: (define_insn "sqrtdf2" ! 440: [(set (match_operand:DF 0 "register_operand" "=f") ! 441: (sqrt:DF (match_operand:DF 1 "register_operand" "f")))] ! 442: "" ! 443: "* ! 444: return (arm_output_asm_insn (\"sqtd\\t%0, %1\", operands)); ! 445: ") ! 446: ! 447: (define_insn "one_cmplsi2" ! 448: [(set (match_operand:SI 0 "register_operand" "=r") ! 449: (not:SI (match_operand:SI 1 "register_operand" "r")))] ! 450: "" ! 451: "* ! 452: return (arm_output_asm_insn (\"mvn\\t%0, %1\", operands)); ! 453: ") ! 454: ! 455: ;; Fixed <--> Floating conversion insns ! 456: ! 457: (define_insn "floatsisf2" ! 458: [(set (match_operand:SF 0 "register_operand" "=f") ! 459: (float:SF (match_operand:SI 1 "register_operand" "r")))] ! 460: "" ! 461: "* ! 462: return (arm_output_asm_insn (\"flts\\t%0, %1\", operands)); ! 463: ") ! 464: ! 465: (define_insn "floatsidf2" ! 466: [(set (match_operand:DF 0 "register_operand" "=f") ! 467: (float:DF (match_operand:SI 1 "register_operand" "r")))] ! 468: "" ! 469: "* ! 470: return (arm_output_asm_insn (\"fltd\\t%0, %1\", operands)); ! 471: ") ! 472: ! 473: ;; Truncation insns ! 474: ! 475: (define_insn "truncdfsf2" ! 476: [(set (match_operand:SF 0 "register_operand" "=f") ! 477: (float_truncate:SF ! 478: (match_operand:DF 1 "register_operand" "f")))] ! 479: "" ! 480: "* ! 481: return (arm_output_asm_insn (\"mvfs\\t%0, %1\", operands)); ! 482: ") ! 483: ! 484: ;; Zero extension instructions. ! 485: ! 486: (define_expand "zero_extendhisi2" ! 487: [(set (match_dup 2) ! 488: (ashift:SI (match_operand:HI 1 "register_operand" "") ! 489: (const_int 16))) ! 490: (set (match_operand:SI 0 "register_operand" "") ! 491: (lshiftrt:SI (match_dup 2) ! 492: (const_int 16)))] ! 493: "" ! 494: " ! 495: { operands[1] = gen_lowpart (SImode, operands[1]); ! 496: operands[2] = gen_reg_rtx (SImode); }") ! 497: ! 498: (define_insn "zero_extendqihi2" ! 499: [(set (match_operand:HI 0 "register_operand" "=r") ! 500: (zero_extend:HI ! 501: (match_operand:QI 1 "register_operand" "r")))] ! 502: "" ! 503: "* ! 504: return (arm_output_asm_insn (\"and\\t%0, %1, #255\\t@ zero_extendqihi2\", operands)); ! 505: ") ! 506: ! 507: (define_insn "zero_extendqisi2" ! 508: [(set (match_operand:SI 0 "register_operand" "=r,r") ! 509: (zero_extend:SI ! 510: (match_operand:QI 1 "nonimmediate_operand" "r,m")))] ! 511: "" ! 512: "* ! 513: switch (which_alternative) ! 514: { ! 515: case 0: ! 516: return (arm_output_asm_insn (\"and\\t%0, %1, #255\\t@ zero_extendqisi2\", operands)); ! 517: case 1: ! 518: return (arm_output_asm_insn (\"ldrb\\t%0, %1\\t@ zero_extendqisi2\", operands)); ! 519: } ! 520: ") ! 521: ! 522: (define_expand "extendhisi2" ! 523: [(set (match_dup 2) ! 524: (ashift:SI (match_operand:HI 1 "register_operand" "") ! 525: (const_int 16))) ! 526: (set (match_operand:SI 0 "register_operand" "") ! 527: (ashiftrt:SI (match_dup 2) ! 528: (const_int 16)))] ! 529: "" ! 530: " ! 531: { operands[1] = gen_lowpart (SImode, operands[1]); ! 532: operands[2] = gen_reg_rtx (SImode); }") ! 533: ! 534: (define_expand "extendqihi2" ! 535: [(set (match_dup 2) ! 536: (ashift:SI (match_operand:QI 1 "register_operand" "") ! 537: (const_int 24))) ! 538: (set (match_operand:HI 0 "register_operand" "") ! 539: (ashiftrt:SI (match_dup 2) ! 540: (const_int 24)))] ! 541: "" ! 542: " ! 543: { operands[0] = gen_lowpart (SImode, operands[0]); ! 544: operands[1] = gen_lowpart (SImode, operands[1]); ! 545: operands[2] = gen_reg_rtx (SImode); }") ! 546: ! 547: (define_expand "extendqisi2" ! 548: [(set (match_dup 2) ! 549: (ashift:SI (match_operand:QI 1 "register_operand" "") ! 550: (const_int 24))) ! 551: (set (match_operand:SI 0 "register_operand" "") ! 552: (ashiftrt:SI (match_dup 2) ! 553: (const_int 24)))] ! 554: "" ! 555: " ! 556: { operands[1] = gen_lowpart (SImode, operands[1]); ! 557: operands[2] = gen_reg_rtx (SImode); }") ! 558: ! 559: (define_insn "extendsfdf2" ! 560: [(set (match_operand:DF 0 "register_operand" "=f") ! 561: (float_extend:DF (match_operand:SF 1 "register_operand" "f")))] ! 562: "" ! 563: "* ! 564: return (arm_output_asm_insn (\"mvfd\\t%0, %1\", operands)); ! 565: ") ! 566: ! 567: ;; Move insns (including loads and stores) ! 568: ! 569: ;; XXX Just some ideas about movti. ! 570: ! 571: ;;(define_expand "loadti" ! 572: ;; [(set (match_operand:TI 0 "register_operand" "") ! 573: ;; (mem:TI (match_operand:SI 1 "address_operand" "")))] ! 574: ;; "" "") ! 575: ! 576: ;;(define_expand "storeti" ! 577: ;; [(set (mem:TI (match_operand:TI 0 "address_operand" "")) ! 578: ;; (match_operand:TI 1 "register_operand" ""))] ! 579: ;; "" "") ! 580: ! 581: ;;(define_expand "movti" ! 582: ;; [(set (match_operand:TI 0 "general_operand" "") ! 583: ;; (match_operand:TI 1 "general_operand" ""))] ! 584: ;; "" ! 585: ;; " ! 586: ;;{ ! 587: ;; rtx insn; ! 588: ;; ! 589: ;; if (GET_CODE (operands[0]) == MEM && GET_CODE (operands[1]) == MEM) ! 590: ;; operands[1] = copy_to_reg (operands[1]); ! 591: ;; if (GET_CODE (operands[0]) == MEM) ! 592: ;; insn = gen_storeti (XEXP (operands[0], 0), operands[1]); ! 593: ;; else if (GET_CODE (operands[1]) == MEM) ! 594: ;; insn = gen_loadti (operands[0], XEXP (operands[1], 0)); ! 595: ;; else ! 596: ;; FAIL; ! 597: ;; ! 598: ;; emit_insn (insn); ! 599: ;; DONE; ! 600: ;;}") ! 601: ! 602: ;; Recognise garbage generated above. ! 603: ! 604: ;;(define_insn "" ! 605: ;; [(set (match_operand:TI 0 "general_operand" "=r,r,r,<,>,m") ! 606: ;; (match_operand:TI 1 "general_operand" "<,>,m,r,r,r"))] ! 607: ;; "" ! 608: ;; "* ! 609: ;; { ! 610: ;; register mem = (which_alternative < 3); ! 611: ;; register char *template; ! 612: ;; ! 613: ;; operands[mem] = XEXP (operands[mem], 0); ! 614: ;; switch (which_alternative) ! 615: ;; { ! 616: ;; case 0: template = \"ldmdb\\t%1!, %M0\"; break; ! 617: ;; case 1: template = \"ldmia\\t%1!, %M0\"; break; ! 618: ;; case 2: template = \"ldmia\\t%1, %M0\"; break; ! 619: ;; case 3: template = \"stmdb\\t%0!, %M1\"; break; ! 620: ;; case 4: template = \"stmia\\t%0!, %M1\"; break; ! 621: ;; case 5: template = \"stmia\\t%0, %M1\"; break; ! 622: ;; } ! 623: ;; return (arm_output_asm_insn (template, operands)); ! 624: ;; }") ! 625: ! 626: ! 627: (define_insn "movdi" ! 628: [(set (match_operand:DI 0 "di_operand" "=r,r,r,o,r") ! 629: (match_operand:DI 1 "di_operand" "r,n,o,r,F"))] ! 630: "" ! 631: "* ! 632: return (output_move_double (operands)); ! 633: ") ! 634: ! 635: (define_insn "movsi" ! 636: [(set (match_operand:SI 0 "general_operand" "=r,r,r,m") ! 637: (match_operand:SI 1 "general_operand" "r,n,m,r"))] ! 638: "" ! 639: "* ! 640: switch (which_alternative) ! 641: { ! 642: case 0: ! 643: return (arm_output_asm_insn (\"mov\\t%0, %1\", operands)); ! 644: case 1: ! 645: return (output_mov_immediate (operands)); ! 646: case 2: ! 647: if (GET_CODE (XEXP (operands[1], 0)) == SYMBOL_REF ! 648: && CONSTANT_POOL_ADDRESS_P (XEXP (operands[1], 0))) ! 649: return (arm_output_llc (operands)); ! 650: else ! 651: return (arm_output_asm_insn (\"ldr\\t%0, %1\", operands)); ! 652: case 3: ! 653: return (arm_output_asm_insn (\"str\\t%1, %0\", operands)); ! 654: } ! 655: ") ! 656: ! 657: ;; XXX The movhi stuff isn't as correct or as nice as it could be... ! 658: ! 659: ;; Subroutine to load a half word into a register from memory. ! 660: ;; Operand 0 is the destination register (HImode). ! 661: ;; Operand 1 is the source address (SImode). ! 662: ;; Operand 2 is a temporary (SImode). ! 663: ! 664: ;;(define_expand "loadhi" ! 665: ;; [;; load the whole word (ARM realigns it if not on word boundary) ! 666: ;; (set (match_operand:SI 2 "register_operand" "") ! 667: ;; (mem:SI (match_operand:SI 1 "address_operand" ""))) ! 668: ;; ;; quietly forget the upper 16 bits ! 669: ;; (set (match_operand:HI 0 "register_operand" "") ! 670: ;; (subreg:HI (match_dup 2) 0))] ! 671: ;; "" ! 672: ;; "" ! 673: ;;) ! 674: ! 675: ;; Load op0 from mem:op1. Subroutine in case we're reloading and the normal ! 676: ;; loadhi is not allowed. ! 677: ! 678: ;;(define_expand "reloadhi" ! 679: ;; [(set (reg:SI 10) ! 680: ;; (mem:SI (match_operand:SI 1 "address_operand" ""))) ! 681: ;; (set (match_operand:HI 0 "register_operand" "") ! 682: ;; (subreg:HI (reg:SI 10) 0))] ! 683: ;; "" "") ! 684: ! 685: ;; Store op0 into mem:op1. Subroutine in case we're reloading and the normal ! 686: ;; storehi is not allowed. ! 687: ! 688: (define_expand "restorehi" ! 689: [(set (mem:QI (match_operand:SI 1 "" "")) ! 690: (match_dup 2)) ! 691: (set (reg:SI 10) ! 692: (ashiftrt:SI (match_operand 0 "" "") (const_int 8))) ! 693: (set (mem:QI (plus:SI (match_dup 1) (const_int 1))) ! 694: (reg:QI 10))] ! 695: "" ! 696: " ! 697: { ! 698: operands[2] = gen_lowpart (QImode, operands[0]); ! 699: operands[0] = gen_lowpart (SImode, operands[0]); ! 700: }") ! 701: ! 702: ;; Subroutine to store a half word from a register into memory. ! 703: ;; Operand 0 is the source register (HImode) ! 704: ;; Operand 1 is the destination address in a register (SImode) ! 705: ! 706: (define_expand "storehi" ! 707: [;; store the low byte ! 708: (set (mem:QI (match_operand:SI 1 "" "")) (match_dup 3)) ! 709: ;; extract the high byte ! 710: (set (match_dup 2) ! 711: (ashiftrt:SI (match_operand 0 "" "") (const_int 8))) ! 712: ;; store the high byte ! 713: (set (mem:QI (plus:SI (match_dup 1) (const_int 1))) ! 714: (subreg:QI (match_dup 2) 0))] ;explicit subreg safe ! 715: "" ! 716: " ! 717: { operands[3] = gen_lowpart (QImode, operands[0]); ! 718: operands[0] = gen_lowpart (SImode, operands[0]); ! 719: operands[2] = gen_reg_rtx (SImode); }") ! 720: ! 721: ;; Subroutine to store a half word integer constant into memory. ! 722: ;; Operand 0 is the constant ! 723: ;; Operand 1 is the destination address in a register (SImode) ! 724: ! 725: (define_expand "storeinthi" ! 726: [;; store the low byte ! 727: (set (mem:QI (match_operand:SI 1 "" "")) (match_operand 0 "" "")) ! 728: ;; store the high byte ! 729: (set (mem:QI (plus:SI (match_dup 1) (const_int 1))) ! 730: (match_dup 2))] ! 731: "" ! 732: " ! 733: { ! 734: int value = INTVAL (operands[0]); ! 735: ! 736: operands[0] = force_reg (QImode, gen_rtx (CONST_INT, VOIDmode, value & 255)); ! 737: operands[2] = force_reg (QImode, gen_rtx (CONST_INT, VOIDmode,(value>>8) & 255)); ! 738: } ! 739: ") ! 740: ! 741: (define_expand "movhi" ! 742: [(set (match_operand:HI 0 "general_operand" "") ! 743: (match_operand:HI 1 "general_operand" ""))] ! 744: "" ! 745: " ! 746: { ! 747: rtx insn; ! 748: ! 749: if (reload_in_progress || reload_completed) ! 750: { ! 751: if (GET_CODE (operands[0]) == MEM && GET_CODE (operands[1]) == REG) ! 752: insn = gen_restorehi (operands[1], XEXP (operands[0], 0)); ! 753: else ! 754: insn = gen_rtx (SET, VOIDmode, operands[0], operands[1]); ! 755: } ! 756: else ! 757: { ! 758: if (GET_CODE (operands[0]) == MEM) ! 759: { ! 760: if (GET_CODE (operands[1]) == CONST_INT) ! 761: { ! 762: insn = gen_storeinthi (operands[1], force_reg (SImode, XEXP (operands[0], 0))); ! 763: } ! 764: else ! 765: { ! 766: if (GET_CODE (operands[1]) == MEM) ! 767: operands[1] = copy_to_reg (operands[1]); ! 768: insn = gen_storehi (operands[1], force_reg (SImode, XEXP (operands[0], 0))); ! 769: } ! 770: } ! 771: #if 0 ! 772: else if (GET_CODE (operands[1]) == MEM) ! 773: { ! 774: insn = gen_loadhi (operands[0], XEXP (operands[1], 0), ! 775: gen_reg_rtx (SImode)); ! 776: } ! 777: #endif ! 778: else ! 779: insn = gen_rtx (SET, VOIDmode, operands[0], operands[1]); ! 780: } ! 781: ! 782: emit_insn (insn); ! 783: DONE; ! 784: }") ! 785: ! 786: ;; Pattern to recognise insn generated default case above ! 787: ! 788: (define_insn "" ! 789: [(set (match_operand:HI 0 "general_operand" "=r,r,r,m") ! 790: (match_operand:HI 1 "general_operand" "r,n,m,r"))] ! 791: "" ! 792: "* ! 793: switch (which_alternative) ! 794: { ! 795: case 0: return (arm_output_asm_insn (\"mov\\t%0, %1\\t@movhi\", operands)); ! 796: case 1: return (output_mov_immediate (operands)); ! 797: case 2: return (arm_output_asm_insn (\"ldr\\t%0, %1\\t@movhi\", operands)); ! 798: case 3: return (arm_output_asm_insn (\"str\\t%1, %0\\t@movhi\", operands)); ! 799: } ! 800: ") ! 801: ! 802: (define_insn "movqi" ! 803: [(set (match_operand:QI 0 "general_operand" "=r,r,r,m") ! 804: (match_operand:QI 1 "general_operand" "r,n,m,r"))] ! 805: "" ! 806: "* ! 807: switch (which_alternative) ! 808: { ! 809: case 0: ! 810: return (arm_output_asm_insn (\"mov\\t%0, %1\", operands)); ! 811: case 1: ! 812: return (output_mov_immediate (operands)); ! 813: case 2: ! 814: return (arm_output_asm_insn (\"ldrb\\t%0, %1\", operands)); ! 815: case 3: ! 816: return (arm_output_asm_insn (\"strb\\t%1, %0\", operands)); ! 817: } ! 818: ") ! 819: ! 820: (define_insn "movsf" ! 821: [(set (match_operand:SF 0 "general_operand" "=f,f,m,f,r,r") ! 822: (match_operand:SF 1 "general_operand" "fG,m,f,r,f,r"))] ! 823: "" ! 824: "* ! 825: switch (which_alternative) ! 826: { ! 827: case 0: ! 828: return (arm_output_asm_insn (\"mvfs\\t%0, %1\", operands)); ! 829: case 1: ! 830: return (arm_output_asm_insn (\"ldfs\\t%0, %1\", operands)); ! 831: case 2: ! 832: return (arm_output_asm_insn (\"stfs\\t%1, %0\", operands)); ! 833: case 3: ! 834: arm_output_asm_insn(\"stmfd\\tsp!, {%1}\", operands); ! 835: return (arm_output_asm_insn (\"ldfs\\t%0, [sp],#4\", operands)); ! 836: case 4: ! 837: arm_output_asm_insn(\"stfs\\t%1, [sp,#-4]!\", operands); ! 838: return (arm_output_asm_insn (\"ldmfd\\tsp!, {%0}\", operands)); ! 839: case 5: ! 840: return (arm_output_asm_insn (\"mov\\t%0, %1\", operands)); ! 841: } ! 842: ") ! 843: ! 844: (define_insn "movdf" ! 845: [(set (match_operand:DF 0 "general_operand" "=f,f,m,f,r,r") ! 846: (match_operand:DF 1 "general_operand" "fG,m,f,r,f,r"))] ! 847: "" ! 848: "* ! 849: switch (which_alternative) ! 850: { ! 851: case 0: return (arm_output_asm_insn (\"mvfd\\t%0, %1\", operands)); ! 852: case 1: return (arm_output_asm_insn (\"ldfd\\t%0, %1\", operands)); ! 853: case 2: return (arm_output_asm_insn (\"stfd\\t%1, %0\", operands)); ! 854: case 3: return (output_mov_double_fpu_from_arm (operands)); ! 855: case 4: return (output_mov_double_arm_from_fpu (operands)); ! 856: case 5: return (output_move_double (operands)); ! 857: } ! 858: ") ! 859: ! 860: ;; Comparison and test insns ! 861: ! 862: (define_insn "cmpsi" ! 863: [(set (cc0) ! 864: (compare (match_operand:SI 0 "register_operand" "r") ! 865: (match_operand:SI 1 "arm_rhs_operand" "rI")))] ! 866: "" ! 867: "* ! 868: return (arm_output_asm_insn (\"cmp\\t%0, %1\", operands)); ! 869: ") ! 870: ! 871: (define_insn "tstsi" ! 872: [(set (cc0) (match_operand:SI 0 "register_operand" "r"))] ! 873: "" ! 874: "* ! 875: return (arm_output_asm_insn (\"cmp\\t%0, #0\", operands)); ! 876: ") ! 877: ! 878: (define_insn "" ! 879: [(set (cc0) ! 880: (compare (match_operand:SI 0 "register_operand" "r") ! 881: (neg:SI (match_operand:SI 1 "arm_rhs_operand" "rI"))))] ! 882: "" ! 883: "* ! 884: return (arm_output_asm_insn (\"cmn\\t%0, %1\", operands)); ! 885: ") ! 886: ! 887: (define_insn "cmpsf" ! 888: [(set (cc0) ! 889: (compare (match_operand:SF 0 "register_operand" "f") ! 890: (match_operand:SF 1 "fpu_rhs_operand" "fG")))] ! 891: "" ! 892: "* ! 893: return (arm_output_asm_insn (\"cmf\\t%0, %1\", operands)); ! 894: ") ! 895: ! 896: (define_insn "cmpdf" ! 897: [(set (cc0) ! 898: (compare (match_operand:DF 0 "register_operand" "f") ! 899: (match_operand:DF 1 "fpu_rhs_operand" "fG")))] ! 900: "" ! 901: "* ! 902: return (arm_output_asm_insn (\"cmf\\t%0, %1\", operands)); ! 903: ") ! 904: ! 905: ;; Conditional branch insns ! 906: ! 907: (define_insn "beq" ! 908: [(set (pc) ! 909: (if_then_else (eq (cc0) (const_int 0)) ! 910: (label_ref (match_operand 0 "" "")) ! 911: (pc)))] ! 912: "" ! 913: "* ! 914: return (arm_output_asm_insn (\"beq\\t%l0\", operands)); ! 915: ") ! 916: ! 917: (define_insn "bne" ! 918: [(set (pc) ! 919: (if_then_else (ne (cc0) (const_int 0)) ! 920: (label_ref (match_operand 0 "" "")) ! 921: (pc)))] ! 922: "" ! 923: "* ! 924: return (arm_output_asm_insn (\"bne\\t%l0\", operands)); ! 925: ") ! 926: ! 927: (define_insn "bgt" ! 928: [(set (pc) ! 929: (if_then_else (gt (cc0) (const_int 0)) ! 930: (label_ref (match_operand 0 "" "")) ! 931: (pc)))] ! 932: "" ! 933: "* ! 934: return (arm_output_asm_insn (\"bgt\\t%l0\", operands)); ! 935: ") ! 936: ! 937: (define_insn "ble" ! 938: [(set (pc) ! 939: (if_then_else (le (cc0) (const_int 0)) ! 940: (label_ref (match_operand 0 "" "")) ! 941: (pc)))] ! 942: "" ! 943: "* ! 944: return (arm_output_asm_insn (\"ble\\t%l0\", operands)); ! 945: ") ! 946: ! 947: (define_insn "bge" ! 948: [(set (pc) ! 949: (if_then_else (ge (cc0) (const_int 0)) ! 950: (label_ref (match_operand 0 "" "")) ! 951: (pc)))] ! 952: "" ! 953: "* ! 954: return (arm_output_asm_insn (\"bge\\t%l0\", operands)); ! 955: ") ! 956: ! 957: (define_insn "blt" ! 958: [(set (pc) ! 959: (if_then_else (lt (cc0) (const_int 0)) ! 960: (label_ref (match_operand 0 "" "")) ! 961: (pc)))] ! 962: "" ! 963: "* ! 964: return (arm_output_asm_insn (\"blt\\t%l0\", operands)); ! 965: ") ! 966: ! 967: (define_insn "bgtu" ! 968: [(set (pc) ! 969: (if_then_else (gtu (cc0) (const_int 0)) ! 970: (label_ref (match_operand 0 "" "")) ! 971: (pc)))] ! 972: "" ! 973: "* ! 974: return (arm_output_asm_insn (\"bhi\\t%l0\", operands)); ! 975: ") ! 976: ! 977: (define_insn "bleu" ! 978: [(set (pc) ! 979: (if_then_else (leu (cc0) (const_int 0)) ! 980: (label_ref (match_operand 0 "" "")) ! 981: (pc)))] ! 982: "" ! 983: "* ! 984: return (arm_output_asm_insn (\"bls\\t%l0\", operands)); ! 985: ") ! 986: ! 987: (define_insn "bgeu" ! 988: [(set (pc) ! 989: (if_then_else (geu (cc0) (const_int 0)) ! 990: (label_ref (match_operand 0 "" "")) ! 991: (pc)))] ! 992: "" ! 993: "* ! 994: return (arm_output_asm_insn (\"bhs\\t%l0\", operands)); ! 995: ") ! 996: ! 997: (define_insn "bltu" ! 998: [(set (pc) ! 999: (if_then_else (ltu (cc0) (const_int 0)) ! 1000: (label_ref (match_operand 0 "" "")) ! 1001: (pc)))] ! 1002: "" ! 1003: "* ! 1004: return (arm_output_asm_insn (\"blo\\t%l0\", operands)); ! 1005: ") ! 1006: ! 1007: ;; Inverted conditional branch insns ! 1008: ! 1009: (define_insn "" ! 1010: [(set (pc) ! 1011: (if_then_else (eq (cc0) (const_int 0)) ! 1012: (pc) ! 1013: (label_ref (match_operand 0 "" ""))))] ! 1014: "" ! 1015: "* ! 1016: return (arm_output_asm_insn (\"bne\\t%l0\", operands)); ! 1017: ") ! 1018: ! 1019: (define_insn "" ! 1020: [(set (pc) ! 1021: (if_then_else (ne (cc0) (const_int 0)) ! 1022: (pc) ! 1023: (label_ref (match_operand 0 "" ""))))] ! 1024: "" ! 1025: "* ! 1026: return (arm_output_asm_insn (\"beq\\t%l0\", operands)); ! 1027: ") ! 1028: ! 1029: (define_insn "" ! 1030: [(set (pc) ! 1031: (if_then_else (gt (cc0) (const_int 0)) ! 1032: (pc) ! 1033: (label_ref (match_operand 0 "" ""))))] ! 1034: "" ! 1035: "* ! 1036: return (arm_output_asm_insn (\"ble\\t%l0\", operands)); ! 1037: ") ! 1038: ! 1039: (define_insn "" ! 1040: [(set (pc) ! 1041: (if_then_else (le (cc0) (const_int 0)) ! 1042: (pc) ! 1043: (label_ref (match_operand 0 "" ""))))] ! 1044: "" ! 1045: "* ! 1046: return (arm_output_asm_insn (\"bgt\\t%l0\", operands)); ! 1047: ") ! 1048: ! 1049: (define_insn "" ! 1050: [(set (pc) ! 1051: (if_then_else (ge (cc0) (const_int 0)) ! 1052: (pc) ! 1053: (label_ref (match_operand 0 "" ""))))] ! 1054: "" ! 1055: "* ! 1056: return (arm_output_asm_insn (\"blt\\t%l0\", operands)); ! 1057: ") ! 1058: ! 1059: (define_insn "" ! 1060: [(set (pc) ! 1061: (if_then_else (lt (cc0) (const_int 0)) ! 1062: (pc) ! 1063: (label_ref (match_operand 0 "" ""))))] ! 1064: "" ! 1065: "* ! 1066: return (arm_output_asm_insn (\"bge\\t%l0\", operands)); ! 1067: ") ! 1068: ! 1069: (define_insn "" ! 1070: [(set (pc) ! 1071: (if_then_else (gtu (cc0) (const_int 0)) ! 1072: (pc) ! 1073: (label_ref (match_operand 0 "" ""))))] ! 1074: "" ! 1075: "* ! 1076: return (arm_output_asm_insn (\"bls\\t%l0\", operands)); ! 1077: ") ! 1078: ! 1079: (define_insn "" ! 1080: [(set (pc) ! 1081: (if_then_else (leu (cc0) (const_int 0)) ! 1082: (pc) ! 1083: (label_ref (match_operand 0 "" ""))))] ! 1084: "" ! 1085: "* ! 1086: return (arm_output_asm_insn (\"bhi\\t%l0\", operands)); ! 1087: ") ! 1088: ! 1089: (define_insn "" ! 1090: [(set (pc) ! 1091: (if_then_else (geu (cc0) (const_int 0)) ! 1092: (pc) ! 1093: (label_ref (match_operand 0 "" ""))))] ! 1094: "" ! 1095: "* ! 1096: return (arm_output_asm_insn (\"blo\\t%l0\", operands)); ! 1097: ") ! 1098: ! 1099: (define_insn "" ! 1100: [(set (pc) ! 1101: (if_then_else (ltu (cc0) (const_int 0)) ! 1102: (pc) ! 1103: (label_ref (match_operand 0 "" ""))))] ! 1104: "" ! 1105: "* ! 1106: return (arm_output_asm_insn (\"bhs\\t%l0\", operands)); ! 1107: ") ! 1108: ! 1109: ;; Jump and linkage insns ! 1110: ;; `return' is still a jump-to-epilogue... ! 1111: ! 1112: (define_insn "jump" ! 1113: [(set (pc) ! 1114: (label_ref (match_operand 0 "" "")))] ! 1115: "" ! 1116: "* ! 1117: return (arm_output_asm_insn (\"b\\t%l0\", operands)); ! 1118: ") ! 1119: ! 1120: (define_insn "call" ! 1121: [(call (match_operand 0 "memory_operand" "m") ! 1122: (match_operand 1 "general_operand" "g")) ! 1123: (clobber (reg:SI 14))] ! 1124: "" ! 1125: "* ! 1126: return (output_call (operands)); ! 1127: ") ! 1128: ! 1129: (define_insn "call_value" ! 1130: [(set (match_operand 0 "" "=rf") ! 1131: (call (match_operand 1 "memory_operand" "m") ! 1132: (match_operand 2 "general_operand" "g"))) ! 1133: (clobber (reg:SI 14))] ! 1134: "" ! 1135: "* ! 1136: return (output_call (&operands[1])); ! 1137: ") ! 1138: ! 1139: ;; Allow calls to SYMBOL_REFs specially as they are not valid general addresses ! 1140: ;; The 'a' causes the operand to be treated as an address, i.e. no '#' output. ! 1141: ! 1142: (define_insn "" ! 1143: [(call (mem:SI (match_operand:SI 0 "" "i")) ! 1144: (match_operand:SI 1 "general_operand" "g")) ! 1145: (clobber (reg:SI 14))] ! 1146: "GET_CODE (operands[0]) == SYMBOL_REF" ! 1147: "* ! 1148: return (arm_output_asm_insn (\"bl\\t%a0\", operands)); ! 1149: ") ! 1150: ! 1151: (define_insn "" ! 1152: [(set (match_operand 0 "register_operand" "=rf") ! 1153: (call (mem:SI (match_operand:SI 1 "" "i")) ! 1154: (match_operand:SI 2 "general_operand" "g"))) ! 1155: (clobber (reg:SI 14))] ! 1156: "GET_CODE(operands[1]) == SYMBOL_REF" ! 1157: "* ! 1158: return (arm_output_asm_insn (\"bl\\t%a1\", operands)); ! 1159: ") ! 1160: ! 1161: ;; Call subroutine returning any type. ! 1162: ! 1163: (define_expand "untyped_call" ! 1164: [(parallel [(call (match_operand 0 "" "") ! 1165: (const_int 0)) ! 1166: (match_operand 1 "" "") ! 1167: (match_operand 2 "" "")])] ! 1168: "" ! 1169: " ! 1170: { ! 1171: int i; ! 1172: ! 1173: emit_call_insn (gen_call (operands[0], const0_rtx, NULL, const0_rtx)); ! 1174: ! 1175: for (i = 0; i < XVECLEN (operands[2], 0); i++) ! 1176: { ! 1177: rtx set = XVECEXP (operands[2], 0, i); ! 1178: emit_move_insn (SET_DEST (set), SET_SRC (set)); ! 1179: } ! 1180: ! 1181: /* The optimizer does not know that the call sets the function value ! 1182: registers we stored in the result block. We avoid problems by ! 1183: claiming that all hard registers are used and clobbered at this ! 1184: point. */ ! 1185: emit_insn (gen_blockage ()); ! 1186: ! 1187: DONE; ! 1188: }") ! 1189: ! 1190: ;; UNSPEC_VOLATILE is considered to use and clobber all hard registers and ! 1191: ;; all of memory. This blocks insns from being moved across this point. ! 1192: ! 1193: (define_insn "blockage" ! 1194: [(unspec_volatile [(const_int 0)] 0)] ! 1195: "" ! 1196: "") ! 1197: ! 1198: (define_insn "tablejump" ! 1199: [(set (pc) ! 1200: (match_operand:SI 0 "register_operand" "r")) ! 1201: (use (label_ref (match_operand 1 "" "")))] ! 1202: "" ! 1203: "* ! 1204: return (arm_output_asm_insn (\"mov\\tpc, %0\\t@ table jump, label %l1\", operands)); ! 1205: ") ! 1206: ! 1207: (define_insn "indirect_jump" ! 1208: [(set (pc) ! 1209: (match_operand:SI 0 "register_operand" "r"))] ! 1210: "" ! 1211: "* ! 1212: return (arm_output_asm_insn (\"mov\\tpc, %0\\t@ indirect jump\", operands)); ! 1213: ") ! 1214: ! 1215: ;; Misc insns ! 1216: ! 1217: (define_insn "nop" ! 1218: [(const_int 0)] ! 1219: "" ! 1220: "* ! 1221: return (arm_output_asm_insn (\"mov\\tr0, r0\\t@ nop\", operands)); ! 1222: ") ! 1223: ! 1224: ;; Patterns to allow combination of arithmetic, cond code and shifts ! 1225: ! 1226: ;(define_insn "" ! 1227: ; [(set (match_operand:SI 0 "register_operand" "=r") ! 1228: ; (match_operator:SI 1 "shiftable_operator" ! 1229: ; [(match_operand:SI 2 "register_operand" "r") ! 1230: ; (match_operator:SI 3 "shift_operator" ! 1231: ; [(match_operand:SI 4 "register_operand" "r") ! 1232: ; (match_operand:SI 5 "nonmemory_operand" "rn")])]))] ! 1233: ; "" ! 1234: ; "* ! 1235: ; return (output_arithmetic_with_shift (operands, FALSE, FALSE)); ! 1236: ; " ! 1237: ;) ! 1238: ! 1239: ;(define_insn "" ! 1240: ; [(set (match_operand:SI 0 "register_operand" "=r") ! 1241: ; (match_operator:SI 1 "shiftable_operator" ! 1242: ; [(match_operator:SI 3 "shift_operator" ! 1243: ; [(match_operand:SI 4 "register_operand" "r") ! 1244: ; (match_operand:SI 5 "nonmemory_operand" "rI")]) ! 1245: ; (match_operand:SI 2 "register_operand" "r")]))] ! 1246: ; "" ! 1247: ; "* ! 1248: ; return (output_arithmetic_with_shift (operands, TRUE, FALSE)); ! 1249: ;") ! 1250: ! 1251: ;; Patterns to allow combination of arithmetic and left shift ! 1252: ! 1253: ;(define_insn "" ! 1254: ; [(set (match_operand:SI 0 "register_operand" "=r") ! 1255: ; (match_operator:SI 1 "shiftable_operator" ! 1256: ; [(match_operand:SI 2 "register_operand" "r") ! 1257: ; (mult:SI ! 1258: ; (match_operand:SI 3 "register_operand" "r") ! 1259: ; (match_operand:SI 4 "power_of_two_operand" "n"))]))] ! 1260: ; "" ! 1261: ; "* ! 1262: ; return (output_arithmetic_with_immediate_multiply (operands, FALSE)); ! 1263: ;") ! 1264: ! 1265: (define_insn "" ! 1266: [(set (match_operand:SI 0 "register_operand" "=r") ! 1267: (match_operator:SI 1 "shiftable_operator" ! 1268: [(mult:SI ! 1269: (match_operand:SI 3 "register_operand" "r") ! 1270: (match_operand:SI 4 "power_of_two_operand" "n")) ! 1271: (match_operand:SI 2 "register_operand" "r")]))] ! 1272: "" ! 1273: "* ! 1274: return (output_arithmetic_with_immediate_multiply (operands, TRUE)); ! 1275: ") ! 1276: ! 1277: ;; This variant of the above insn can occur if the first operand is the ! 1278: ;; frame pointer and we eliminate that. This is a kludge, but there doesn't ! 1279: ;; seem to be a way around it. ! 1280: ! 1281: (define_insn "" ! 1282: [(set (match_operand:SI 0 "register_operand" "=&r") ! 1283: (plus:SI (plus:SI (mult:SI (match_operand:SI 3 "register_operand" "r") ! 1284: (match_operand:SI 4 "power_of_two_operand" "n")) ! 1285: (match_operand:SI 2 "register_operand" "r")) ! 1286: (match_operand:SI 1 "const_int_operand" "n")))] ! 1287: "reload_in_progress" ! 1288: "* ! 1289: { ! 1290: int shift = int_log2 (INTVAL (operands[4])); ! 1291: operands[4] = GEN_INT (shift); ! 1292: arm_output_asm_insn (\"add\\t%0, %2, %3, asl %4\", operands); ! 1293: operands[2] = operands[1]; ! 1294: operands[1] = operands[0]; ! 1295: return output_add_immediate (operands); ! 1296: }") ! 1297: ! 1298: ;; Peephole optimizations. ! 1299: ! 1300: ;; When testing a bitset smaller than 9 bits for (un)equality, a ! 1301: ;; shift/and/cmp/b{eq,ne} sequence can be replaced by one tst and the same ! 1302: ;; branch sequence. ! 1303: ! 1304: ;;(define_peephole ! 1305: ;; [(set (match_operand:SI 0 "register_operand" "=r") ! 1306: ;; (lshiftrt:SI (match_dup 0) ! 1307: ;; (match_operand 1 "immediate_operand" ""))) ! 1308: ;; (set (match_dup 0) ! 1309: ;; (and:SI (match_dup 0) ! 1310: ;; (match_operand 2 "immediate_operand" ""))) ! 1311: ;; (set (cc0) (match_dup 0)) ! 1312: ;; (set (pc) ! 1313: ;; (if_then_else (ne (cc0) (const_int 0)) ! 1314: ;; (label_ref (match_operand 3 "" "")) ! 1315: ;; (pc)))] ! 1316: ;; "dead_or_set_p (PREV_INSN (insn), operands[0]) ! 1317: ;; && GET_CODE (operands[2]) == CONST_INT && GET_CODE (operands[1]) == CONST_INT ! 1318: ;; && const_ok_for_arm (INTVAL (operands[2]) << INTVAL (operands[1]))" ! 1319: ;; "* ! 1320: ;; operands[2] = gen_rtx (CONST_INT, VOIDmode, ! 1321: ;; INTVAL (operands[2]) << INTVAL (operands[1])); ! 1322: ;; arm_output_asm_insn (\"tst\\t%0, %2\\t\\t@ ph test bitfield\", operands); ! 1323: ;; return (arm_output_asm_insn (\"bne\\t%l3\", operands)); ! 1324: ;;") ! 1325: ! 1326: ;;(define_peephole ! 1327: ;; [(set (match_operand:SI 0 "register_operand" "=r") ! 1328: ;; (lshiftrt:SI (match_dup 0) ! 1329: ;; (match_operand 1 "immediate_operand" ""))) ! 1330: ;; (set (match_dup 0) ! 1331: ;; (and:SI (match_dup 0) ! 1332: ;; (match_operand 2 "immediate_operand" ""))) ! 1333: ;; (set (cc0) (match_dup 0)) ! 1334: ;; (set (pc) ! 1335: ;; (if_then_else (ne (cc0) (const_int 0)) ! 1336: ;; (pc) ! 1337: ;; (label_ref (match_operand 3 "" ""))))] ! 1338: ;; "dead_or_set_p (prev_real_insn (insn), operands[0]) ! 1339: ;; && GET_CODE (operands[2]) == CONST_INT && GET_CODE (operands[1]) == CONST_INT ! 1340: ;; && const_ok_for_arm (INTVAL (operands[2]) << INTVAL (operands[1]))" ! 1341: ;; "* ! 1342: ;; operands[2] = gen_rtx (CONST_INT, VOIDmode, ! 1343: ;; INTVAL (operands[2]) << INTVAL (operands[1])); ! 1344: ;; arm_output_asm_insn (\"tst\\t%0, %2\\t\\t@ ph test bitfield\", operands); ! 1345: ;; return (arm_output_asm_insn (\"beq\\t%l3\", operands)); ! 1346: ;;") ! 1347: ! 1348: ;; This allows negative constants to be compared since GCC appears not to try ! 1349: ;; converting them with a NEG. ! 1350: ! 1351: ;;(define_peephole ! 1352: ;; [(set (match_operand:SI 2 "register_operand" "=r") ! 1353: ;; (match_operand:SI 1 "immediate_operand" "n")) ! 1354: ;; (set (cc0) ! 1355: ;; (compare (match_operand:SI 0 "register_operand" "r") ! 1356: ;; (match_dup 1)))] ! 1357: ;; "const_ok_for_arm (-INTVAL (operands[1])) ! 1358: ;; && dead_or_set_p (prev_real_insn (insn), operands[0])" ! 1359: ;; "* ! 1360: ;; operands[1] = gen_rtx (CONST_INT, VOIDmode, -INTVAL (operands[1])); ! 1361: ;; return (arm_output_asm_insn (\"cmn\\t%0, %1\\t\\t@ ph negate comparison\", operands)); ! 1362: ;;")
This archive runs on limited infrastructure. Preserving old code on modern bandwidth. Automated agents are requested to crawl responsibly.