gcc/config/pa/predicates.md

   1 ;; Predicate definitions for HP PA-RISC.
   2 ;; Copyright (C) 2005-2013 Free Software Foundation, Inc.
   3 ;;
   4 ;; This file is part of GCC.
   5 ;;
   6 ;; GCC is free software; you can redistribute it and/or modify
   7 ;; it under the terms of the GNU General Public License as published by
   8 ;; the Free Software Foundation; either version 3, or (at your option)
   9 ;; any later version.
  10 ;;
  11 ;; GCC is distributed in the hope that it will be useful,
  12 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 ;; GNU General Public License for more details.
  15 ;;
  16 ;; You should have received a copy of the GNU General Public License
  17 ;; along with GCC; see the file COPYING3.  If not see
  18 ;; <http://www.gnu.org/licenses/>.
  19
  20 ;; Return truth value of whether OP is an integer which fits the range
  21 ;; constraining 5-bit signed immediate operands in three-address insns.
  22
  23 (define_predicate "int5_operand"
  24   (and (match_code "const_int")
  25        (match_test "INT_5_BITS (op)")))
  26
  27 ;; Return truth value of whether OP is an integer which fits the range
  28 ;; constraining 5-bit unsigned immediate operands in three-address insns.
  29
  30 (define_predicate "uint5_operand"
  31   (and (match_code "const_int")
  32        (match_test "INT_U5_BITS (op)")))
  33
  34 ;; Return truth value of whether OP is an integer which fits the range
  35 ;; constraining 6-bit unsigned immediate operands in three-address insns.
  36
  37 (define_predicate "uint6_operand"
  38   (and (match_code "const_int")
  39        (match_test "INT_U6_BITS (op)")))
  40
  41 ;; Return truth value of whether OP is an integer which fits the range
  42 ;; constraining 11-bit signed immediate operands in three-address insns.
  43
  44 (define_predicate "int11_operand"
  45   (and (match_code "const_int")
  46        (match_test "INT_11_BITS (op)")))
  47
  48 ;; Return truth value of whether OP is an integer which fits the range
  49 ;; constraining 14-bit signed immediate operands in three-address insns.
  50
  51 (define_predicate "int14_operand"
  52   (and (match_code "const_int")
  53        (match_test "INT_14_BITS (op)")))
  54
  55 ;; True iff OP is a const_int or const_double that will fit in 32 bits.
  56
  57 (define_predicate "uint32_operand"
  58   (if_then_else (match_test "HOST_BITS_PER_WIDE_INT > 32")
  59     (and (match_code "const_int")
  60          (match_test "INTVAL (op) >= 0
  61                       && INTVAL (op) < (HOST_WIDE_INT) 1 << 32"))
  62     (and (match_code "const_int,const_double")
  63          (match_test "CONST_INT_P (op) || CONST_DOUBLE_HIGH (op) == 0"))))
  64
  65 ;; True iff depi can be used to compute (reg | OP).
  66
  67 (define_predicate "cint_ior_operand"
  68   (and (match_code "const_int")
  69        (match_test "pa_ior_mask_p (INTVAL (op))")))
  70
  71 ;; True iff OP is CONST_INT that can be moved in one instruction
  72 ;; into a general register.
  73
  74 (define_predicate "cint_move_operand"
  75   (and (match_code "const_int")
  76        (match_test "pa_cint_ok_for_move (INTVAL (op))")))
  77
  78 ;; True iff OP is a CONST0_RTX for MODE.
  79
  80 (define_predicate "const_0_operand"
  81   (and (match_code "const_int,const_double")
  82        (match_test "op == CONST0_RTX (mode)")))
  83
  84 ;; A constant integer suitable for use in a PRE_MODIFY memory reference.
  85
  86 (define_predicate "pre_cint_operand"
  87   (and (match_code "const_int")
  88        (match_test "INTVAL (op) >= -0x2000 && INTVAL (op) < 0x10")))
  89
  90 ;; A constant integer suitable for use in a POST_MODIFY memory reference.
  91
  92 (define_predicate "post_cint_operand"
  93   (and (match_code "const_int")
  94        (match_test "INTVAL (op) < 0x2000 && INTVAL (op) >= -0x10")))
  95
  96 ;; True iff depi or extru can be used to compute (reg & OP).
  97
  98 (define_predicate "and_operand"
  99   (ior (match_operand 0 "register_operand")
 100        (and (match_code "const_int")
 101             (match_test "pa_and_mask_p (INTVAL (op))"))))
 102
 103 ;; Return truth value of whether OP can be used as an operand in a
 104 ;; three operand arithmetic insn that accepts registers of mode MODE
 105 ;; or 5-bit signed integers.
 106
 107 (define_predicate "arith5_operand"
 108   (ior (match_operand 0 "register_operand")
 109        (match_operand 0 "int5_operand")))
 110
 111 ;; Return truth value of whether OP can be used as an operand in a
 112 ;; three operand arithmetic insn that accepts registers of mode MODE
 113 ;; or 11-bit signed integers.
 114
 115 (define_predicate "arith11_operand"
 116   (ior (match_operand 0 "register_operand")
 117        (match_operand 0 "int11_operand")))
 118
 119 ;; Return truth value of whether OP can be used as an operand in a
 120 ;; three operand arithmetic insn that accepts registers of mode MODE
 121 ;; or 14-bit signed integers.
 122
 123 (define_predicate "arith14_operand"
 124   (ior (match_operand 0 "register_operand")
 125        (match_operand 0 "int14_operand")))
 126
 127 ;; Return truth value of whether OP can be used as an operand in a
 128 ;; three operand arithmetic insn that accepts registers of mode MODE
 129 ;; or 32-bit signed integers.
 130
 131 (define_predicate "arith32_operand"
 132   (ior (match_operand 0 "register_operand")
 133        (match_code "const_int")))
 134
 135 ;; Return truth value of whether OP can be used as a shift operand in
 136 ;; a shift insn that accepts registers of mode MODE or 5-bit shift amounts.
 137
 138 (define_predicate "shift5_operand"
 139   (ior (match_operand 0 "register_operand")
 140        (match_operand 0 "uint5_operand")))
 141
 142 ;; Return truth value of whether OP can be used as a shift operand in
 143 ;; a shift insn that accepts registers of mode MODE or 6-bit shift amounts.
 144
 145 (define_predicate "shift6_operand"
 146   (ior (match_operand 0 "register_operand")
 147        (match_operand 0 "uint6_operand")))
 148
 149 ;; True iff OP can be used as an operand in an adddi3 insn.
 150
 151 (define_predicate "adddi3_operand"
 152   (if_then_else (match_test "TARGET_64BIT")
 153     (match_operand 0 "arith14_operand")
 154     (match_operand 0 "arith11_operand")))
 155
 156 ;; True iff OP is valid as a base or index register in a REG+REG address.
 157
 158 (define_predicate "borx_reg_operand"
 159   (match_code "reg")
 160 {
 161   /* We must reject virtual registers as the only expressions that
 162      can be instantiated are REG and REG+CONST.  */
 163   if (op == virtual_incoming_args_rtx
 164       || op == virtual_stack_vars_rtx
 165       || op == virtual_stack_dynamic_rtx
 166       || op == virtual_outgoing_args_rtx
 167       || op == virtual_cfa_rtx)
 168     return false;
 169
 170   /* While it's always safe to index off the frame pointer, it's not
 171      profitable to do so when the frame pointer is being eliminated.  */
 172   if (!reload_completed
 173       && flag_omit_frame_pointer
 174       && !cfun->calls_alloca
 175       && op == frame_pointer_rtx)
 176     return false;
 177
 178   return register_operand (op, mode);
 179 })
 180
 181 ;; Return nonzero if OP is suitable for use in a call to a named
 182 ;; function.
 183 ;;
 184 ;; For 2.5 try to eliminate either call_operand_address or
 185 ;; function_label_operand, they perform very similar functions.
 186
 187 (define_predicate "call_operand_address"
 188   (match_code "label_ref,symbol_ref,const_int,const_double,const,high")
 189 {
 190   return (GET_MODE (op) == word_mode
 191           && CONSTANT_P (op) && ! TARGET_PORTABLE_RUNTIME);
 192 })
 193
 194 ;; True iff OP can be used as the divisor in a div millicode call.
 195
 196 (define_predicate "div_operand"
 197   (match_code "reg,const_int")
 198 {
 199   return (mode == SImode
 200           && ((REG_P (op) && REGNO (op) == 25)
 201               || (CONST_INT_P (op)
 202                   && INTVAL (op) > 0 && INTVAL (op) < 16
 203                   && pa_magic_milli[INTVAL (op)])));
 204 })
 205
 206 ;; True iff OP is a reloading floating point register
 207
 208 (define_predicate "fp_reg_operand"
 209   (and (match_code "reg")
 210        (match_test "reg_renumber && FP_REG_P (op)")))
 211
 212 ;; True iff OP is a function label operand.
 213
 214 (define_special_predicate "function_label_operand"
 215   (and (match_code "symbol_ref")
 216        (match_test "FUNCTION_NAME_P (XSTR (op, 0))")))
 217
 218 ;; True iff OP is an indexed memory operand.
 219
 220 (define_predicate "indexed_memory_operand"
 221   (match_code "subreg,mem")
 222 {
 223   if (GET_MODE (op) != mode)
 224     return false;
 225
 226   /* Before reload, a (SUBREG (MEM...)) forces reloading into a register.  */
 227   if (reload_completed && GET_CODE (op) == SUBREG)
 228     op = SUBREG_REG (op);
 229
 230   if (! MEM_P (op))
 231     return false;
 232
 233   op = XEXP (op, 0);
 234   return IS_INDEX_ADDR_P (op) && memory_address_p (mode, op);
 235 })
 236
 237 ;; True iff OP is a register plus base memory operand.
 238
 239 (define_predicate "reg_plus_base_memory_operand"
 240   (match_code "subreg,mem")
 241 {
 242   if (GET_MODE (op) != mode)
 243     return false;
 244
 245   /* Before reload, a (SUBREG (MEM...)) forces reloading into a register.  */
 246   if (reload_completed && GET_CODE (op) == SUBREG)
 247     op = SUBREG_REG (op);
 248
 249   if (! MEM_P (op))
 250     return false;
 251
 252   op = XEXP (op, 0);
 253   if (GET_CODE (op) != PLUS)
 254     return false;
 255
 256   if (REG_P (XEXP (op, 0)) && REG_OK_FOR_BASE_P (XEXP (op, 0)))
 257     return GET_CODE (XEXP (op, 1)) == CONST_INT;
 258
 259   return false;
 260 })
 261
 262 ;; True iff OP is a base14 operand.
 263
 264 (define_predicate "base14_operand"
 265   (match_code "const_int")
 266 {
 267   if (!INT_14_BITS (op))
 268     return false;
 269
 270   /* Although this may not be necessary, we require that the
 271      base value is correctly aligned for its mode as this is
 272      assumed in the instruction encoding.  */
 273   switch (mode)
 274     {
 275     case BLKmode:
 276     case QImode:
 277     case HImode:
 278       return true;
 279
 280     default:
 281       return (INTVAL (op) % GET_MODE_SIZE (mode)) == 0;
 282     }
 283
 284   return false;
 285 })
 286
 287 ;; True iff the operand OP can be used as the destination operand of
 288 ;; an integer store.  This also implies the operand could be used as
 289 ;; the source operand of an integer load.  LO_SUM DLT and indexed
 290 ;; memory operands are not allowed.  We accept reloading pseudos and
 291 ;; other memory operands.
 292
 293 (define_predicate "integer_store_memory_operand"
 294   (match_code "reg,mem")
 295 {
 296   if (reload_in_progress
 297       && REG_P (op)
 298       && REGNO (op) >= FIRST_PSEUDO_REGISTER
 299       && reg_renumber [REGNO (op)] < 0)
 300     return true;
 301
 302   if (reg_plus_base_memory_operand (op, mode))
 303     {
 304       /* Extract CONST_INT operand.  */
 305       if (GET_CODE (op) == SUBREG)
 306         op = SUBREG_REG (op);
 307       op = XEXP (op, 0);
 308       op = REG_P (XEXP (op, 0)) ? XEXP (op, 1) : XEXP (op, 0);
 309       return base14_operand (op, mode) || INT_5_BITS (op);
 310     }
 311
 312   if (!MEM_P (op))
 313     return false;
 314
 315   return ((reload_in_progress || memory_address_p (mode, XEXP (op, 0)))
 316           && !IS_LO_SUM_DLT_ADDR_P (XEXP (op, 0))
 317           && !IS_INDEX_ADDR_P (XEXP (op, 0)));
 318 })
 319
 320 ;; True iff the operand OP can be used as the destination operand of
 321 ;; a floating point store.  This also implies the operand could be used as
 322 ;; the source operand of a floating point load.  LO_SUM DLT and indexed
 323 ;; memory operands are not allowed.  Symbolic operands are accepted if
 324 ;; INT14_OK_STRICT is true.  We accept reloading pseudos and other memory
 325 ;; operands.
 326
 327 (define_predicate "floating_point_store_memory_operand"
 328   (match_code "reg,mem")
 329 {
 330   if (reload_in_progress
 331       && REG_P (op)
 332       && REGNO (op) >= FIRST_PSEUDO_REGISTER
 333       && reg_renumber [REGNO (op)] < 0)
 334     return true;
 335
 336   if (reg_plus_base_memory_operand (op, mode))
 337     {
 338       /* Extract CONST_INT operand.  */
 339       if (GET_CODE (op) == SUBREG)
 340         op = SUBREG_REG (op);
 341       op = XEXP (op, 0);
 342       op = REG_P (XEXP (op, 0)) ? XEXP (op, 1) : XEXP (op, 0);
 343       return ((TARGET_PA_20
 344                && !TARGET_ELF32
 345                && base14_operand (op, mode))
 346               || INT_5_BITS (op));
 347     }
 348
 349   if (!MEM_P (op))
 350     return false;
 351
 352   return ((reload_in_progress || memory_address_p (mode, XEXP (op, 0)))
 353           && (INT14_OK_STRICT || !symbolic_memory_operand (op, VOIDmode))
 354           && !IS_LO_SUM_DLT_ADDR_P (XEXP (op, 0))
 355           && !IS_INDEX_ADDR_P (XEXP (op, 0)));
 356 })
 357
 358 ;; Return true iff OP is an integer register.
 359
 360 (define_predicate "ireg_operand"
 361   (and (match_code "reg")
 362        (match_test "REGNO (op) > 0 && REGNO (op) < 32")))
 363
 364 ;; Return truth value of whether OP is an integer which fits the range
 365 ;; constraining immediate operands in three-address insns, or is an
 366 ;; integer register.
 367
 368 (define_predicate "ireg_or_int5_operand"
 369   (ior (match_operand 0 "ireg_operand")
 370        (match_operand 0 "int5_operand")))
 371
 372 ;; True iff OP is a CONST_INT of the forms 0...0xxxx, 0...01...1xxxx,
 373 ;; or 1...1xxxx. Such values can be the left hand side x in (x << r),
 374 ;; using the zvdepi instruction.
 375
 376 (define_predicate "lhs_lshift_cint_operand"
 377   (match_code "const_int")
 378 {
 379   unsigned HOST_WIDE_INT x;
 380   x = INTVAL (op) >> 4;
 381   return (x & (x + 1)) == 0;
 382 })
 383
 384 ;; True iff OP can be used in a zvdep instruction.
 385
 386 (define_predicate "lhs_lshift_operand"
 387   (ior (match_operand 0 "register_operand")
 388        (match_operand 0 "lhs_lshift_cint_operand")))
 389
 390 ;; Accept anything that can be used as a destination operand for a
 391 ;; move instruction.  We don't accept indexed memory operands since
 392 ;; they are supported only for floating point stores.
 393
 394 (define_predicate "move_dest_operand"
 395   (match_code "subreg,reg,mem")
 396 {
 397   if (register_operand (op, mode))
 398     return true;
 399
 400   if (GET_MODE (op) != mode)
 401     return false;
 402
 403   if (GET_CODE (op) == SUBREG)
 404     op = SUBREG_REG (op);
 405
 406   if (! MEM_P (op))
 407     return false;
 408
 409   op = XEXP (op, 0);
 410
 411   return (memory_address_p (mode, op)
 412           && !IS_INDEX_ADDR_P (op)
 413           && !IS_LO_SUM_DLT_ADDR_P (op));
 414 })
 415
 416 ;; Accept anything that can be used as a source operand for a move
 417 ;; instruction.
 418
 419 (define_predicate "move_src_operand"
 420   (match_code "subreg,reg,const_int,const_double,mem")
 421 {
 422   if (register_operand (op, mode))
 423     return true;
 424
 425   if (op == CONST0_RTX (mode))
 426     return true;
 427
 428   if (CONST_INT_P (op))
 429     return pa_cint_ok_for_move (INTVAL (op));
 430
 431   if (GET_MODE (op) != mode)
 432     return false;
 433
 434   if (GET_CODE (op) == SUBREG)
 435     op = SUBREG_REG (op);
 436
 437   if (! MEM_P (op))
 438     return false;
 439
 440   /* Until problems with management of the REG_POINTER flag are resolved,
 441      we need to delay creating move insns with unscaled indexed addresses
 442      until CSE is not expected.  */
 443   if (!TARGET_NO_SPACE_REGS
 444       && !cse_not_expected
 445       && GET_CODE (XEXP (op, 0)) == PLUS
 446       && REG_P (XEXP (XEXP (op, 0), 0))
 447       && REG_P (XEXP (XEXP (op, 0), 1)))
 448     return false;
 449
 450   return memory_address_p (mode, XEXP (op, 0));
 451 })
 452
 453 ;; True iff OP is not a symbolic memory operand.
 454
 455 (define_predicate "nonsymb_mem_operand"
 456   (match_code "subreg,mem")
 457 {
 458   if (GET_CODE (op) == SUBREG)
 459     op = SUBREG_REG (op);
 460
 461   if (! MEM_P (op))
 462     return false;
 463
 464   /* Until problems with management of the REG_POINTER flag are resolved,
 465      we need to delay creating move insns with unscaled indexed addresses
 466      until CSE is not expected.  */
 467   if (!TARGET_NO_SPACE_REGS
 468       && !cse_not_expected
 469       && GET_CODE (XEXP (op, 0)) == PLUS
 470       && REG_P (XEXP (XEXP (op, 0), 0))
 471       && REG_P (XEXP (XEXP (op, 0), 1)))
 472     return false;
 473
 474   return (!symbolic_memory_operand (op, mode)
 475           && memory_address_p (mode, XEXP (op, 0)));
 476 })
 477
 478 ;; True iff OP is anything other than a hard register.
 479
 480 (define_predicate "non_hard_reg_operand"
 481   (match_test "! (REG_P (op) && REGNO (op) < FIRST_PSEUDO_REGISTER)"))
 482
 483 ;; True iff OP is a reference to a label whose address can be loaded
 484 ;; while generating PIC code.
 485
 486 (define_predicate "pic_label_operand"
 487   (match_code "label_ref,const")
 488 {
 489   if (!flag_pic)
 490     return false;
 491
 492   switch (GET_CODE (op))
 493     {
 494     case LABEL_REF:
 495       return true;
 496     case CONST:
 497       op = XEXP (op, 0);
 498       return (GET_CODE (XEXP (op, 0)) == LABEL_REF
 499               && CONST_INT_P (XEXP (op, 1)));
 500     default:
 501       gcc_unreachable ();
 502     }
 503   return false;
 504 })
 505
 506 ;; True iff the operand OP lives in text space.  OP is a symbolic operand.
 507 ;; If so, SYMBOL_REF_FLAG, which is set by pa_encode_section_info, is true.
 508
 509 (define_special_predicate "read_only_operand"
 510   (match_test "true")
 511 {
 512   if (GET_CODE (op) == CONST)
 513     op = XEXP (XEXP (op, 0), 0);
 514   if (GET_CODE (op) == SYMBOL_REF)
 515     {
 516       if (flag_pic)
 517         return SYMBOL_REF_FLAG (op) && !CONSTANT_POOL_ADDRESS_P (op);
 518       else
 519         return SYMBOL_REF_FLAG (op) || CONSTANT_POOL_ADDRESS_P (op);
 520     }
 521   return true;
 522 })
 523
 524 ;; True iff the operand is a register operand, or a non-symbolic
 525 ;; memory operand after reload.  A SUBREG is not accepted since it
 526 ;; will need a reload.
 527 ;;
 528 ;; This predicate is used for branch patterns that internally handle
 529 ;; register reloading.  We need to accept non-symbolic memory operands
 530 ;; after reload to ensure that the pattern is still valid if reload
 531 ;; didn't find a hard register for the operand.
 532
 533 (define_predicate "reg_before_reload_operand"
 534   (match_code "reg,mem")
 535 {
 536   if (register_operand (op, mode))
 537     return true;
 538
 539   if (reload_completed
 540       && memory_operand (op, mode)
 541       && !symbolic_memory_operand (op, mode))
 542     return true;
 543
 544   return false;
 545 })
 546
 547 ;; True iff OP is a register or const_0 operand for MODE.
 548
 549 (define_predicate "reg_or_0_operand"
 550   (ior (match_operand 0 "register_operand")
 551        (match_operand 0 "const_0_operand")))
 552
 553 ;; True iff OP is either a register, zero, or a non-symbolic memory operand.
 554
 555 (define_predicate "reg_or_0_or_nonsymb_mem_operand"
 556   (ior (match_operand 0 "reg_or_0_operand")
 557        (match_operand 0 "nonsymb_mem_operand")))
 558
 559 ;; Accept REG and any CONST_INT that can be moved in one instruction
 560 ;; into a general register.
 561
 562 (define_predicate "reg_or_cint_move_operand"
 563   (ior (match_operand 0 "register_operand")
 564        (match_operand 0 "cint_move_operand")))
 565
 566 ;; True iff OP can be used to compute (reg | OP).
 567
 568 (define_predicate "reg_or_cint_ior_operand"
 569   (ior (match_operand 0 "register_operand")
 570        (match_operand 0 "cint_ior_operand")))
 571
 572 ;; Return 1 if OP is a CONST_INT with the value 2, 4, or 8.  These are
 573 ;; the valid constants for shadd instructions.
 574
 575 (define_predicate "shadd_operand"
 576   (and (match_code "const_int")
 577        (match_test "pa_shadd_constant_p (INTVAL (op))")))
 578
 579 ;; Return truth value of statement that OP is a symbolic memory operand.
 580
 581 (define_predicate "symbolic_memory_operand"
 582   (match_code "subreg,mem")
 583 {
 584   if (GET_CODE (op) == SUBREG)
 585     op = SUBREG_REG (op);
 586   if (!MEM_P (op))
 587     return false;
 588   op = XEXP (op, 0);
 589   if (GET_CODE (op) == LO_SUM)
 590     op = XEXP (op, 1);
 591   return pa_symbolic_expression_p (op);
 592 })
 593
 594 ;; True iff OP is a symbolic operand.
 595 ;; Note: an inline copy of this code is present in pa_secondary_reload.
 596
 597 (define_predicate "symbolic_operand"
 598   (match_code "symbol_ref,label_ref,const")
 599 {
 600   switch (GET_CODE (op))
 601     {
 602     case SYMBOL_REF:
 603       return !SYMBOL_REF_TLS_MODEL (op);
 604     case LABEL_REF:
 605       return true;
 606     case CONST:
 607       op = XEXP (op, 0);
 608       return (GET_CODE (op) == PLUS
 609               && ((GET_CODE (XEXP (op, 0)) == SYMBOL_REF
 610                    && !SYMBOL_REF_TLS_MODEL (XEXP (op, 0)))
 611                   || GET_CODE (XEXP (op, 0)) == LABEL_REF)
 612               && GET_CODE (XEXP (op, 1)) == CONST_INT);
 613     default:
 614       break;
 615     }
 616   return false;
 617 })
 618
 619 ;; Return true if OP is a symbolic operand for the TLS Global Dynamic model.
 620
 621 (define_predicate "tgd_symbolic_operand"
 622   (and (match_code "symbol_ref")
 623        (match_test "SYMBOL_REF_TLS_MODEL (op) == TLS_MODEL_GLOBAL_DYNAMIC")))
 624
 625 ;; Return true if OP is a symbolic operand for the TLS Local Dynamic model.
 626
 627 (define_predicate "tld_symbolic_operand"
 628   (and (match_code "symbol_ref")
 629        (match_test "SYMBOL_REF_TLS_MODEL (op) == TLS_MODEL_LOCAL_DYNAMIC")))
 630
 631 ;; Return true if OP is a symbolic operand for the TLS Initial Exec model.
 632
 633 (define_predicate "tie_symbolic_operand"
 634   (and (match_code "symbol_ref")
 635        (match_test "SYMBOL_REF_TLS_MODEL (op) == TLS_MODEL_INITIAL_EXEC")))
 636
 637 ;; Return true if OP is a symbolic operand for the TLS Local Exec model.
 638
 639 (define_predicate "tle_symbolic_operand"
 640   (and (match_code "symbol_ref")
 641        (match_test "SYMBOL_REF_TLS_MODEL (op) == TLS_MODEL_LOCAL_EXEC")))
 642
 643 ;; True iff this is a comparison operator.  This allows the use of
 644 ;; MATCH_OPERATOR to recognize all the branch insns.
 645
 646 (define_predicate "cmpib_comparison_operator"
 647   (match_code "eq,ne,lt,le,leu,gt,gtu,ge"))
 648
 649 ;; True iff OP is an operator suitable for use in a movb instruction.
 650
 651 (define_predicate "movb_comparison_operator"
 652   (match_code "eq,ne,lt,ge"))
 653
 654 ;; True iff OP is a PLUS, XOR or IOR operator.
 655
 656 (define_predicate "plus_xor_ior_operator"
 657   (match_code "plus,xor,ior"))