gnu/dist/gcc4/gcc/config/mips/mips-ps-3d.md

   1 ;; MIPS Paired-Single Floating and MIPS-3D Instructions.
   2 ;; Copyright (C) 2004 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 2, 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 COPYING.  If not, write to
  18 ;; the Free Software Foundation, 51 Franklin Street, Fifth Floor,
  19 ;; Boston, MA 02110-1301, USA.
  20
  21 (define_insn "*movcc_v2sf_<mode>"
  22   [(set (match_operand:V2SF 0 "register_operand" "=f,f")
  23         (if_then_else:V2SF
  24          (match_operator:GPR 4 "equality_operator"
  25                          [(match_operand:GPR 1 "register_operand" "d,d")
  26                           (const_int 0)])
  27          (match_operand:V2SF 2 "register_operand" "f,0")
  28          (match_operand:V2SF 3 "register_operand" "0,f")))]
  29   "TARGET_PAIRED_SINGLE_FLOAT"
  30   "@
  31     mov%T4.ps\t%0,%2,%1
  32     mov%t4.ps\t%0,%3,%1"
  33   [(set_attr "type" "condmove")
  34    (set_attr "mode" "SF")])
  35
  36 (define_insn "mips_cond_move_tf_ps"
  37   [(set (match_operand:V2SF 0 "register_operand" "=f,f")
  38         (unspec:V2SF [(match_operand:V2SF 1 "register_operand" "f,0")
  39                       (match_operand:V2SF 2 "register_operand" "0,f")
  40                       (match_operand:CCV2 3 "register_operand" "z,z")]
  41                      UNSPEC_MOVE_TF_PS))]
  42   "TARGET_PAIRED_SINGLE_FLOAT"
  43   "@
  44     movt.ps\t%0,%1,%3
  45     movf.ps\t%0,%2,%3"
  46   [(set_attr "type" "condmove")
  47    (set_attr "mode" "SF")])
  48
  49 (define_expand "movv2sfcc"
  50   [(set (match_dup 4) (match_operand 1 "comparison_operator"))
  51    (set (match_operand:V2SF 0 "register_operand")
  52         (if_then_else:V2SF (match_dup 5)
  53                            (match_operand:V2SF 2 "register_operand")
  54                            (match_operand:V2SF 3 "register_operand")))]
  55   "TARGET_PAIRED_SINGLE_FLOAT"
  56 {
  57   /* We can only support MOVN.PS and MOVZ.PS.
  58      NOTE: MOVT.PS and MOVF.PS have different semantics from MOVN.PS and
  59            MOVZ.PS.  MOVT.PS and MOVF.PS depend on two CC values and move
  60            each item independently.  */
  61
  62   if (GET_MODE_CLASS (GET_MODE (cmp_operands[0])) != MODE_INT)
  63     FAIL;
  64
  65   gen_conditional_move (operands);
  66   DONE;
  67 })
  68
  69 ; pul.ps - Pair Upper Lower
  70 (define_insn "mips_pul_ps"
  71   [(set (match_operand:V2SF 0 "register_operand" "=f")
  72         (vec_merge:V2SF
  73          (match_operand:V2SF 1 "register_operand" "f")
  74          (match_operand:V2SF 2 "register_operand" "f")
  75          (const_int 2)))]
  76   "TARGET_PAIRED_SINGLE_FLOAT"
  77   "pul.ps\t%0,%1,%2"
  78   [(set_attr "type" "fmove")
  79    (set_attr "mode" "SF")])
  80
  81 ; puu.ps - Pair upper upper
  82 (define_insn "mips_puu_ps"
  83   [(set (match_operand:V2SF 0 "register_operand" "=f")
  84         (vec_merge:V2SF
  85          (match_operand:V2SF 1 "register_operand" "f")
  86          (vec_select:V2SF (match_operand:V2SF 2 "register_operand" "f")
  87                           (parallel [(const_int 1)
  88                                      (const_int 0)]))
  89          (const_int 2)))]
  90   "TARGET_PAIRED_SINGLE_FLOAT"
  91   "puu.ps\t%0,%1,%2"
  92   [(set_attr "type" "fmove")
  93    (set_attr "mode" "SF")])
  94
  95 ; pll.ps - Pair Lower Lower
  96 (define_insn "mips_pll_ps"
  97   [(set (match_operand:V2SF 0 "register_operand" "=f")
  98         (vec_merge:V2SF
  99          (vec_select:V2SF (match_operand:V2SF 1 "register_operand" "f")
 100                           (parallel [(const_int 1)
 101                                      (const_int 0)]))
 102          (match_operand:V2SF 2 "register_operand" "f")
 103          (const_int 2)))]
 104   "TARGET_PAIRED_SINGLE_FLOAT"
 105   "pll.ps\t%0,%1,%2"
 106   [(set_attr "type" "fmove")
 107    (set_attr "mode" "SF")])
 108
 109 ; plu.ps - Pair Lower Upper
 110 (define_insn "mips_plu_ps"
 111   [(set (match_operand:V2SF 0 "register_operand" "=f")
 112         (vec_merge:V2SF
 113          (vec_select:V2SF (match_operand:V2SF 1 "register_operand" "f")
 114                           (parallel [(const_int 1)
 115                                      (const_int 0)]))
 116          (vec_select:V2SF (match_operand:V2SF 2 "register_operand" "f")
 117                           (parallel [(const_int 1)
 118                                      (const_int 0)]))
 119          (const_int 2)))]
 120   "TARGET_PAIRED_SINGLE_FLOAT"
 121   "plu.ps\t%0,%1,%2"
 122   [(set_attr "type" "fmove")
 123    (set_attr "mode" "SF")])
 124
 125 ; vec_init
 126 (define_expand "vec_initv2sf"
 127   [(match_operand:V2SF 0 "register_operand")
 128    (match_operand:V2SF 1 "")]
 129   "TARGET_PAIRED_SINGLE_FLOAT"
 130 {
 131   rtx op0 = force_reg (SFmode, XVECEXP (operands[1], 0, 0));
 132   rtx op1 = force_reg (SFmode, XVECEXP (operands[1], 0, 1));
 133   emit_insn (gen_vec_initv2sf_internal (operands[0], op0, op1));
 134   DONE;
 135 })
 136
 137 (define_insn "vec_initv2sf_internal"
 138   [(set (match_operand:V2SF 0 "register_operand" "=f")
 139         (vec_concat:V2SF
 140          (match_operand:SF 1 "register_operand" "f")
 141          (match_operand:SF 2 "register_operand" "f")))]
 142   "TARGET_PAIRED_SINGLE_FLOAT"
 143 {
 144   if (BYTES_BIG_ENDIAN)
 145     return "cvt.ps.s\t%0,%1,%2";
 146   else
 147     return "cvt.ps.s\t%0,%2,%1";
 148 }
 149   [(set_attr "type" "fcvt")
 150    (set_attr "mode" "SF")])
 151
 152 ;; ??? This is only generated if we perform a vector operation that has to be
 153 ;; emulated.  There is no other way to get a vector mode bitfield extract
 154 ;; currently.
 155
 156 (define_insn "vec_extractv2sf"
 157   [(set (match_operand:SF 0 "register_operand" "=f")
 158         (vec_select:SF (match_operand:V2SF 1 "register_operand" "f")
 159                        (parallel
 160                         [(match_operand 2 "const_0_or_1_operand" "")])))]
 161   "TARGET_PAIRED_SINGLE_FLOAT"
 162 {
 163   if (INTVAL (operands[2]) == !BYTES_BIG_ENDIAN)
 164     return "cvt.s.pu\t%0,%1";
 165   else
 166     return "cvt.s.pl\t%0,%1";
 167 }
 168   [(set_attr "type" "fcvt")
 169    (set_attr "mode" "SF")])
 170
 171 ;; ??? This is only generated if we disable the vec_init pattern.  There is
 172 ;; no other way to get a vector mode bitfield store currently.
 173
 174 (define_expand "vec_setv2sf"
 175   [(match_operand:V2SF 0 "register_operand")
 176    (match_operand:SF 1 "register_operand")
 177    (match_operand 2 "const_0_or_1_operand")]
 178   "TARGET_PAIRED_SINGLE_FLOAT"
 179 {
 180   rtx temp;
 181
 182   /* We don't have an insert instruction, so we duplicate the float, and
 183      then use a PUL instruction.  */
 184   temp = gen_reg_rtx (V2SFmode);
 185   emit_insn (gen_mips_cvt_ps_s (temp, operands[1], operands[1]));
 186   if (INTVAL (operands[2]) == !BYTES_BIG_ENDIAN)
 187     emit_insn (gen_mips_pul_ps (operands[0], temp, operands[0]));
 188   else
 189     emit_insn (gen_mips_pul_ps (operands[0], operands[0], temp));
 190   DONE;
 191 })
 192
 193 ; cvt.ps.s - Floating Point Convert Pair to Paired Single
 194 (define_expand "mips_cvt_ps_s"
 195   [(match_operand:V2SF 0 "register_operand")
 196    (match_operand:SF 1 "register_operand")
 197    (match_operand:SF 2 "register_operand")]
 198   "TARGET_PAIRED_SINGLE_FLOAT"
 199 {
 200   if (BYTES_BIG_ENDIAN)
 201     emit_insn (gen_vec_initv2sf_internal (operands[0], operands[1],
 202                operands[2]));
 203   else
 204     emit_insn (gen_vec_initv2sf_internal (operands[0], operands[2],
 205                operands[1]));
 206   DONE;
 207 })
 208
 209 ; cvt.s.pl - Floating Point Convert Pair Lower to Single Floating Point
 210 (define_expand "mips_cvt_s_pl"
 211   [(set (match_operand:SF 0 "register_operand")
 212         (vec_select:SF (match_operand:V2SF 1 "register_operand")
 213                        (parallel [(match_dup 2)])))]
 214   "TARGET_PAIRED_SINGLE_FLOAT"
 215   { operands[2] = GEN_INT (BYTES_BIG_ENDIAN); })
 216
 217 ; cvt.s.pu - Floating Point Convert Pair Upper to Single Floating Point
 218 (define_expand "mips_cvt_s_pu"
 219   [(set (match_operand:SF 0 "register_operand")
 220         (vec_select:SF (match_operand:V2SF 1 "register_operand")
 221                        (parallel [(match_dup 2)])))]
 222   "TARGET_PAIRED_SINGLE_FLOAT"
 223   { operands[2] = GEN_INT (!BYTES_BIG_ENDIAN); })
 224
 225 ; alnv.ps - Floating Point Align Variable
 226 (define_insn "mips_alnv_ps"
 227   [(set (match_operand:V2SF 0 "register_operand" "=f")
 228         (unspec:V2SF [(match_operand:V2SF 1 "register_operand" "f")
 229                       (match_operand:V2SF 2 "register_operand" "f")
 230                       (match_operand:SI 3 "register_operand" "d")]
 231                      UNSPEC_ALNV_PS))]
 232   "TARGET_PAIRED_SINGLE_FLOAT"
 233   "alnv.ps\t%0,%1,%2,%3"
 234   [(set_attr "type" "fmove")
 235    (set_attr "mode" "SF")])
 236
 237 ; addr.ps - Floating Point Reduction Add
 238 (define_insn "mips_addr_ps"
 239   [(set (match_operand:V2SF 0 "register_operand" "=f")
 240         (unspec:V2SF [(match_operand:V2SF 1 "register_operand" "f")
 241                       (match_operand:V2SF 2 "register_operand" "f")]
 242                      UNSPEC_ADDR_PS))]
 243   "TARGET_MIPS3D"
 244   "addr.ps\t%0,%1,%2"
 245   [(set_attr "type" "fadd")
 246    (set_attr "mode" "SF")])
 247
 248 ; cvt.pw.ps - Floating Point Convert Paired Single to Paired Word
 249 (define_insn "mips_cvt_pw_ps"
 250   [(set (match_operand:V2SF 0 "register_operand" "=f")
 251         (unspec:V2SF [(match_operand:V2SF 1 "register_operand" "f")]
 252                      UNSPEC_CVT_PW_PS))]
 253   "TARGET_MIPS3D"
 254   "cvt.pw.ps\t%0,%1"
 255   [(set_attr "type" "fcvt")
 256    (set_attr "mode" "SF")])
 257
 258 ; cvt.ps.pw - Floating Point Convert Paired Word to Paired Single
 259 (define_insn "mips_cvt_ps_pw"
 260   [(set (match_operand:V2SF 0 "register_operand" "=f")
 261         (unspec:V2SF [(match_operand:V2SF 1 "register_operand" "f")]
 262                      UNSPEC_CVT_PS_PW))]
 263   "TARGET_MIPS3D"
 264   "cvt.ps.pw\t%0,%1"
 265   [(set_attr "type" "fcvt")
 266    (set_attr "mode" "SF")])
 267
 268 ; mulr.ps - Floating Point Reduction Multiply
 269 (define_insn "mips_mulr_ps"
 270   [(set (match_operand:V2SF 0 "register_operand" "=f")
 271         (unspec:V2SF [(match_operand:V2SF 1 "register_operand" "f")
 272                       (match_operand:V2SF 2 "register_operand" "f")]
 273                      UNSPEC_MULR_PS))]
 274   "TARGET_MIPS3D"
 275   "mulr.ps\t%0,%1,%2"
 276   [(set_attr "type" "fmul")
 277    (set_attr "mode" "SF")])
 278
 279 ;----------------------------------------------------------------------------
 280 ; Floating Point Comparisons for Scalars
 281 ;----------------------------------------------------------------------------
 282
 283 (define_insn "mips_cabs_cond_<fmt>"
 284   [(set (match_operand:CC 0 "register_operand" "=z")
 285         (unspec:CC [(match_operand:SCALARF 1 "register_operand" "f")
 286                     (match_operand:SCALARF 2 "register_operand" "f")
 287                     (match_operand 3 "const_int_operand" "")]
 288                    UNSPEC_CABS))]
 289   "TARGET_MIPS3D"
 290   "cabs.%Y3.<fmt>\t%0,%1,%2"
 291   [(set_attr "type" "fcmp")
 292    (set_attr "mode" "FPSW")])
 293
 294
 295 ;----------------------------------------------------------------------------
 296 ; Floating Point Comparisons for Four Singles
 297 ;----------------------------------------------------------------------------
 298
 299 (define_insn_and_split "mips_c_cond_4s"
 300   [(set (match_operand:CCV4 0 "register_operand" "=z")
 301         (unspec:CCV4 [(match_operand:V2SF 1 "register_operand" "f")
 302                       (match_operand:V2SF 2 "register_operand" "f")
 303                       (match_operand:V2SF 3 "register_operand" "f")
 304                       (match_operand:V2SF 4 "register_operand" "f")
 305                       (match_operand 5 "const_int_operand" "")]
 306                      UNSPEC_C))]
 307   "TARGET_PAIRED_SINGLE_FLOAT"
 308   "#"
 309   "&& reload_completed"
 310   [(set (match_dup 6)
 311         (unspec:CCV2 [(match_dup 1)
 312                       (match_dup 2)
 313                       (match_dup 5)]
 314                      UNSPEC_C))
 315    (set (match_dup 7)
 316         (unspec:CCV2 [(match_dup 3)
 317                       (match_dup 4)
 318                       (match_dup 5)]
 319                      UNSPEC_C))]
 320 {
 321   operands[6] = simplify_gen_subreg (CCV2mode, operands[0], CCV4mode, 0);
 322   operands[7] = simplify_gen_subreg (CCV2mode, operands[0], CCV4mode, 8);
 323 }
 324   [(set_attr "type" "fcmp")
 325    (set_attr "length" "8")
 326    (set_attr "mode" "FPSW")])
 327
 328 (define_insn_and_split "mips_cabs_cond_4s"
 329   [(set (match_operand:CCV4 0 "register_operand" "=z")
 330         (unspec:CCV4 [(match_operand:V2SF 1 "register_operand" "f")
 331                       (match_operand:V2SF 2 "register_operand" "f")
 332                       (match_operand:V2SF 3 "register_operand" "f")
 333                       (match_operand:V2SF 4 "register_operand" "f")
 334                       (match_operand 5 "const_int_operand" "")]
 335                      UNSPEC_CABS))]
 336   "TARGET_MIPS3D"
 337   "#"
 338   "&& reload_completed"
 339   [(set (match_dup 6)
 340         (unspec:CCV2 [(match_dup 1)
 341                       (match_dup 2)
 342                       (match_dup 5)]
 343                      UNSPEC_CABS))
 344    (set (match_dup 7)
 345         (unspec:CCV2 [(match_dup 3)
 346                       (match_dup 4)
 347                       (match_dup 5)]
 348                      UNSPEC_CABS))]
 349 {
 350   operands[6] = simplify_gen_subreg (CCV2mode, operands[0], CCV4mode, 0);
 351   operands[7] = simplify_gen_subreg (CCV2mode, operands[0], CCV4mode, 8);
 352 }
 353   [(set_attr "type" "fcmp")
 354    (set_attr "length" "8")
 355    (set_attr "mode" "FPSW")])
 356
 357
 358 ;----------------------------------------------------------------------------
 359 ; Floating Point Comparisons for Paired Singles
 360 ;----------------------------------------------------------------------------
 361
 362 (define_insn "mips_c_cond_ps"
 363   [(set (match_operand:CCV2 0 "register_operand" "=z")
 364         (unspec:CCV2 [(match_operand:V2SF 1 "register_operand" "f")
 365                       (match_operand:V2SF 2 "register_operand" "f")
 366                       (match_operand 3 "const_int_operand" "")]
 367                      UNSPEC_C))]
 368   "TARGET_PAIRED_SINGLE_FLOAT"
 369   "c.%Y3.ps\t%0,%1,%2"
 370   [(set_attr "type" "fcmp")
 371    (set_attr "mode" "FPSW")])
 372
 373 (define_insn "mips_cabs_cond_ps"
 374   [(set (match_operand:CCV2 0 "register_operand" "=z")
 375         (unspec:CCV2 [(match_operand:V2SF 1 "register_operand" "f")
 376                       (match_operand:V2SF 2 "register_operand" "f")
 377                       (match_operand 3 "const_int_operand" "")]
 378                      UNSPEC_CABS))]
 379   "TARGET_MIPS3D"
 380   "cabs.%Y3.ps\t%0,%1,%2"
 381   [(set_attr "type" "fcmp")
 382    (set_attr "mode" "FPSW")])
 383
 384
 385 ;----------------------------------------------------------------------------
 386 ; Floating Point Branch Instructions.
 387 ;----------------------------------------------------------------------------
 388
 389 ; Branch on Any of Four Floating Point Condition Codes True
 390 (define_insn "bc1any4t"
 391   [(set (pc)
 392         (if_then_else (ne:CCV4 (match_operand:CCV4 0 "register_operand" "z")
 393                                (const_int 0))
 394                       (label_ref (match_operand 1 "" ""))
 395                       (pc)))]
 396   "TARGET_MIPS3D"
 397   "%*bc1any4t\t%0,%1%/"
 398   [(set_attr "type" "branch")
 399    (set_attr "mode" "none")])
 400
 401 ; Branch on Any of Four Floating Point Condition Codes False
 402 (define_insn "bc1any4f"
 403   [(set (pc)
 404         (if_then_else (ne:CCV4 (match_operand:CCV4 0 "register_operand" "z")
 405                                (const_int -1))
 406                       (label_ref (match_operand 1 "" ""))
 407                       (pc)))]
 408   "TARGET_MIPS3D"
 409   "%*bc1any4f\t%0,%1%/"
 410   [(set_attr "type" "branch")
 411    (set_attr "mode" "none")])
 412
 413 ; Branch on Any of Two Floating Point Condition Codes True
 414 (define_insn "bc1any2t"
 415   [(set (pc)
 416         (if_then_else (ne:CCV2 (match_operand:CCV2 0 "register_operand" "z")
 417                                (const_int 0))
 418                       (label_ref (match_operand 1 "" ""))
 419                       (pc)))]
 420   "TARGET_MIPS3D"
 421   "%*bc1any2t\t%0,%1%/"
 422   [(set_attr "type" "branch")
 423    (set_attr "mode" "none")])
 424
 425 ; Branch on Any of Two Floating Point Condition Codes False
 426 (define_insn "bc1any2f"
 427   [(set (pc)
 428         (if_then_else (ne:CCV2 (match_operand:CCV2 0 "register_operand" "z")
 429                                (const_int -1))
 430                       (label_ref (match_operand 1 "" ""))
 431                       (pc)))]
 432   "TARGET_MIPS3D"
 433   "%*bc1any2f\t%0,%1%/"
 434   [(set_attr "type" "branch")
 435    (set_attr "mode" "none")])
 436
 437 ;----------------------------------------------------------------------------
 438 ; Floating Point Reduced Precision Reciprocal Square Root Instructions.
 439 ;----------------------------------------------------------------------------
 440
 441 (define_insn "mips_rsqrt1_<fmt>"
 442   [(set (match_operand:ANYF 0 "register_operand" "=f")
 443         (unspec:ANYF [(match_operand:ANYF 1 "register_operand" "f")]
 444                      UNSPEC_RSQRT1))]
 445   "TARGET_MIPS3D"
 446   "rsqrt1.<fmt>\t%0,%1"
 447   [(set_attr "type" "frsqrt1")
 448    (set_attr "mode" "<UNITMODE>")])
 449
 450 (define_insn "mips_rsqrt2_<fmt>"
 451   [(set (match_operand:ANYF 0 "register_operand" "=f")
 452         (unspec:ANYF [(match_operand:ANYF 1 "register_operand" "f")
 453                       (match_operand:ANYF 2 "register_operand" "f")]
 454                      UNSPEC_RSQRT2))]
 455   "TARGET_MIPS3D"
 456   "rsqrt2.<fmt>\t%0,%1,%2"
 457   [(set_attr "type" "frsqrt2")
 458    (set_attr "mode" "<UNITMODE>")])
 459
 460 (define_insn "mips_recip1_<fmt>"
 461   [(set (match_operand:ANYF 0 "register_operand" "=f")
 462         (unspec:ANYF [(match_operand:ANYF 1 "register_operand" "f")]
 463                      UNSPEC_RECIP1))]
 464   "TARGET_MIPS3D"
 465   "recip1.<fmt>\t%0,%1"
 466   [(set_attr "type" "frdiv1")
 467    (set_attr "mode" "<UNITMODE>")])
 468
 469 (define_insn "mips_recip2_<fmt>"
 470   [(set (match_operand:ANYF 0 "register_operand" "=f")
 471         (unspec:ANYF [(match_operand:ANYF 1 "register_operand" "f")
 472                       (match_operand:ANYF 2 "register_operand" "f")]
 473                      UNSPEC_RECIP2))]
 474   "TARGET_MIPS3D"
 475   "recip2.<fmt>\t%0,%1,%2"
 476   [(set_attr "type" "frdiv2")
 477    (set_attr "mode" "<UNITMODE>")])