2013-09-25 Yvan Roux <yvan.roux@linaro.org>
[official-gcc.git] / gcc / config / mips / mips-ps-3d.md
bloba22c7829b7724c42955cd7776a81a5352c9d3f9f
1 ;; MIPS Paired-Single Floating and MIPS-3D Instructions.
2 ;; Copyright (C) 2004-2013 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.
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.
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/>.
20 (define_c_enum "unspec" [
21   UNSPEC_MOVE_TF_PS
22   UNSPEC_C
24   ;; MIPS64/MIPS32R2 alnv.ps
25   UNSPEC_ALNV_PS
27   ;; MIPS-3D instructions
28   UNSPEC_CABS
30   UNSPEC_ADDR_PS
31   UNSPEC_CVT_PW_PS
32   UNSPEC_CVT_PS_PW
33   UNSPEC_MULR_PS
34   UNSPEC_ABS_PS
36   UNSPEC_RSQRT1
37   UNSPEC_RSQRT2
38   UNSPEC_RECIP1
39   UNSPEC_RECIP2
40   UNSPEC_SINGLE_CC
41   UNSPEC_SCC
44 (define_insn "*movcc_v2sf_<mode>"
45   [(set (match_operand:V2SF 0 "register_operand" "=f,f")
46         (if_then_else:V2SF
47          (match_operator:GPR 4 "equality_operator"
48                          [(match_operand:GPR 1 "register_operand" "d,d")
49                           (const_int 0)])
50          (match_operand:V2SF 2 "register_operand" "f,0")
51          (match_operand:V2SF 3 "register_operand" "0,f")))]
52   "TARGET_HARD_FLOAT && TARGET_PAIRED_SINGLE_FLOAT"
53   "@
54     mov%T4.ps\t%0,%2,%1
55     mov%t4.ps\t%0,%3,%1"
56   [(set_attr "type" "condmove")
57    (set_attr "mode" "SF")])
59 (define_insn "mips_cond_move_tf_ps"
60   [(set (match_operand:V2SF 0 "register_operand" "=f,f")
61         (unspec:V2SF [(match_operand:V2SF 1 "register_operand" "f,0")
62                       (match_operand:V2SF 2 "register_operand" "0,f")
63                       (match_operand:CCV2 3 "register_operand" "z,z")]
64                      UNSPEC_MOVE_TF_PS))]
65   "TARGET_HARD_FLOAT && TARGET_PAIRED_SINGLE_FLOAT"
66   "@
67     movt.ps\t%0,%1,%3
68     movf.ps\t%0,%2,%3"
69   [(set_attr "type" "condmove")
70    (set_attr "mode" "SF")])
72 (define_expand "movv2sfcc"
73   [(set (match_dup 4) (match_operand 1 "comparison_operator"))
74    (set (match_operand:V2SF 0 "register_operand")
75         (if_then_else:V2SF (match_dup 5)
76                            (match_operand:V2SF 2 "register_operand")
77                            (match_operand:V2SF 3 "register_operand")))]
78   "TARGET_HARD_FLOAT && TARGET_PAIRED_SINGLE_FLOAT"
80   /* We can only support MOVN.PS and MOVZ.PS.
81      NOTE: MOVT.PS and MOVF.PS have different semantics from MOVN.PS and 
82            MOVZ.PS.  MOVT.PS and MOVF.PS depend on two CC values and move 
83            each item independently.  */
85   if (GET_MODE_CLASS (GET_MODE (XEXP (operands[1], 0))) != MODE_INT)
86     FAIL;
88   mips_expand_conditional_move (operands);
89   DONE;
92 (define_insn "vec_perm_const_ps"
93   [(set (match_operand:V2SF 0 "register_operand" "=f")
94         (vec_select:V2SF
95           (vec_concat:V4SF
96             (match_operand:V2SF 1 "register_operand" "f")
97             (match_operand:V2SF 2 "register_operand" "f"))
98           (parallel [(match_operand:SI 3 "const_0_or_1_operand" "")
99                      (match_operand:SI 4 "const_2_or_3_operand" "")])))]
100   "TARGET_HARD_FLOAT && TARGET_PAIRED_SINGLE_FLOAT"
102   /* Let <op>L be the lower part of operand <op> and <op>U be the upper part.
103      The P[UL][UL].PS instruction always specifies the upper part of the
104      result first, so the instruction is:
106         P<aUL><bUL>.PS %0,<aop>,<bop>
108      where 0U == <aop><aUL> and 0L == <bop><bUL>.
110      GCC's vector indices are specified in memory order, which means
111      that vector element 0 is the lower part (L) on little-endian targets
112      and the upper part (U) on big-endian targets.  vec_concat likewise
113      concatenates in memory order, which means that operand 3 (being
114      0 or 1) selects part of operand 1 and operand 4 (being 2 or 3)
115      selects part of operand 2.
117      Let:
119         I3 = INTVAL (operands[3])
120         I4 = INTVAL (operands[4]) - 2
122      Taking the two endiannesses in turn:
124      Little-endian:
126         The semantics of the RTL pattern are:
128         { 0L, 0U } = { X[I3], X[I4 + 2] }, where X = { 1L, 1U, 2L, 2U }
130         so: 0L = { 1L, 1U }[I3] (= <bop><bUL>)
131             0U = { 2L, 2U }[I4] (= <aop><aUL>)
133             <aop> = 2, <aUL> = I4 ? U : L
134             <bop> = 1, <bUL> = I3 ? U : L
136             [LL] !I4 && !I3   [UL] I4 && !I3
137             [LU] !I4 && I3    [UU] I4 && I3
139      Big-endian:
141         The semantics of the RTL pattern are:
143         { 0U, 0L } = { X[I3], X[I4 + 2] }, where X = { 1U, 1L, 2U, 2L }
145         so: 0U = { 1U, 1L }[I3] (= <aop><aUL>)
146             0L = { 2U, 2L }[I4] (= <bop><bUL>)
148             <aop> = 1, <aUL> = I3 ? L : U
149             <bop> = 2, <bUL> = I4 ? L : U
151             [UU] !I3 && !I4   [UL] !I3 && I4
152             [LU] I3 && !I4    [LL] I3 && I4.  */
154   static const char * const mnemonics[2][4] = {
155     /* LE */ { "pll.ps\t%0,%2,%1", "pul.ps\t%0,%2,%1",
156                "plu.ps\t%0,%2,%1", "puu.ps\t%0,%2,%1" },
157     /* BE */ { "puu.ps\t%0,%1,%2", "pul.ps\t%0,%1,%2",
158                "plu.ps\t%0,%1,%2", "pll.ps\t%0,%1,%2" },
159   };
161   unsigned mask = INTVAL (operands[3]) * 2 + (INTVAL (operands[4]) - 2);
162   return mnemonics[BYTES_BIG_ENDIAN][mask];
164   [(set_attr "type" "fmove")
165    (set_attr "mode" "SF")])
167 (define_expand "vec_perm_constv2sf"
168   [(match_operand:V2SF 0 "register_operand" "")
169    (match_operand:V2SF 1 "register_operand" "")
170    (match_operand:V2SF 2 "register_operand" "")
171    (match_operand:V2SI 3 "" "")]
172   "TARGET_HARD_FLOAT && TARGET_PAIRED_SINGLE_FLOAT"
174   if (mips_expand_vec_perm_const (operands))
175     DONE;
176   else
177     FAIL;
180 ;; Expanders for builtins.  The instruction:
182 ;;     P[UL][UL].PS <result>, <a>, <b>
184 ;; says that the upper part of <result> is taken from half of <a> and
185 ;; the lower part of <result> is taken from half of <b>.  This means
186 ;; that the P[UL][UL].PS operand order matches memory order on big-endian
187 ;; targets; <a> is element 0 of the V2SF result while <b> is element 1.
188 ;; However, the P[UL][UL].PS operand order is the reverse of memory order
189 ;; on little-endian targets; <a> is element 1 of the V2SF result while
190 ;; <b> is element 0.  The arguments to vec_perm_const_ps are always in
191 ;; memory order.
193 ;; Similarly, "U" corresponds to element 0 on big-endian targets but
194 ;; to element 1 on little-endian targets.
196 (define_expand "mips_puu_ps"
197   [(match_operand:V2SF 0 "register_operand" "")
198    (match_operand:V2SF 1 "register_operand" "")
199    (match_operand:V2SF 2 "register_operand" "")]
200   "TARGET_HARD_FLOAT && TARGET_PAIRED_SINGLE_FLOAT"
202   if (BYTES_BIG_ENDIAN)
203     emit_insn (gen_vec_perm_const_ps (operands[0], operands[1], operands[2],
204                                       const0_rtx, const2_rtx));
205   else
206     emit_insn (gen_vec_perm_const_ps (operands[0], operands[2], operands[1],
207                                       const1_rtx, GEN_INT (3)));
208   DONE;
211 (define_expand "mips_pul_ps"
212   [(match_operand:V2SF 0 "register_operand" "")
213    (match_operand:V2SF 1 "register_operand" "")
214    (match_operand:V2SF 2 "register_operand" "")]
215   "TARGET_HARD_FLOAT && TARGET_PAIRED_SINGLE_FLOAT"
217   if (BYTES_BIG_ENDIAN)
218     emit_insn (gen_vec_perm_const_ps (operands[0], operands[1], operands[2],
219                                       const0_rtx, GEN_INT (3)));
220   else
221     emit_insn (gen_vec_perm_const_ps (operands[0], operands[2], operands[1],
222                                       const0_rtx, GEN_INT (3)));
223   DONE;
226 (define_expand "mips_plu_ps"
227   [(match_operand:V2SF 0 "register_operand" "")
228    (match_operand:V2SF 1 "register_operand" "")
229    (match_operand:V2SF 2 "register_operand" "")]
230   "TARGET_HARD_FLOAT && TARGET_PAIRED_SINGLE_FLOAT"
232   if (BYTES_BIG_ENDIAN)
233     emit_insn (gen_vec_perm_const_ps (operands[0], operands[1], operands[2],
234                                       const1_rtx, const2_rtx));
235   else
236     emit_insn (gen_vec_perm_const_ps (operands[0], operands[2], operands[1],
237                                       const1_rtx, const2_rtx));
238   DONE;
241 (define_expand "mips_pll_ps"
242   [(match_operand:V2SF 0 "register_operand" "")
243    (match_operand:V2SF 1 "register_operand" "")
244    (match_operand:V2SF 2 "register_operand" "")]
245   "TARGET_HARD_FLOAT && TARGET_PAIRED_SINGLE_FLOAT"
247   if (BYTES_BIG_ENDIAN)
248     emit_insn (gen_vec_perm_const_ps (operands[0], operands[1], operands[2],
249                                       const1_rtx, GEN_INT (3)));
250   else
251     emit_insn (gen_vec_perm_const_ps (operands[0], operands[2], operands[1],
252                                       const0_rtx, const2_rtx));
253   DONE;
256 ; vec_init
257 (define_expand "vec_initv2sf"
258   [(match_operand:V2SF 0 "register_operand")
259    (match_operand:V2SF 1 "")]
260   "TARGET_HARD_FLOAT && TARGET_PAIRED_SINGLE_FLOAT"
262   mips_expand_vector_init (operands[0], operands[1]);
263   DONE;
266 (define_insn "vec_concatv2sf"
267   [(set (match_operand:V2SF 0 "register_operand" "=f")
268         (vec_concat:V2SF
269          (match_operand:SF 1 "register_operand" "f")
270          (match_operand:SF 2 "register_operand" "f")))]
271   "TARGET_HARD_FLOAT && TARGET_PAIRED_SINGLE_FLOAT"
273   if (BYTES_BIG_ENDIAN)
274     return "cvt.ps.s\t%0,%1,%2";
275   else
276     return "cvt.ps.s\t%0,%2,%1";
278   [(set_attr "type" "fcvt")
279    (set_attr "mode" "SF")])
281 ;; ??? This is only generated if we perform a vector operation that has to be
282 ;; emulated.  There is no other way to get a vector mode bitfield extract
283 ;; currently.
285 (define_insn "vec_extractv2sf"
286   [(set (match_operand:SF 0 "register_operand" "=f")
287         (vec_select:SF (match_operand:V2SF 1 "register_operand" "f")
288                        (parallel
289                         [(match_operand 2 "const_0_or_1_operand" "")])))]
290   "TARGET_HARD_FLOAT && TARGET_PAIRED_SINGLE_FLOAT"
292   if (INTVAL (operands[2]) == !BYTES_BIG_ENDIAN)
293     return "cvt.s.pu\t%0,%1";
294   else
295     return "cvt.s.pl\t%0,%1";
297   [(set_attr "type" "fcvt")
298    (set_attr "mode" "SF")])
300 ;; ??? This is only generated if we disable the vec_init pattern.  There is
301 ;; no other way to get a vector mode bitfield store currently.
303 (define_expand "vec_setv2sf"
304   [(set (match_operand:V2SF 0 "register_operand" "")
305         (vec_select:V2SF
306           (vec_concat:V4SF
307             (match_operand:SF 1 "register_operand" "")
308             (match_dup 0))
309           (parallel [(match_operand 2 "const_0_or_1_operand" "")
310                      (match_dup 3)])))]
311   "TARGET_HARD_FLOAT && TARGET_PAIRED_SINGLE_FLOAT"
313   /* We don't have an insert instruction, so we duplicate the float, and
314      then use a PUL instruction.  */
315   rtx temp = gen_reg_rtx (V2SFmode);
316   emit_insn (gen_vec_concatv2sf (temp, operands[1], operands[1]));
317   operands[1] = temp;
318   operands[3] = GEN_INT (1 - INTVAL (operands[2]) + 2);
321 ; cvt.ps.s - Floating Point Convert Pair to Paired Single
322 (define_expand "mips_cvt_ps_s"
323   [(match_operand:V2SF 0 "register_operand")
324    (match_operand:SF 1 "register_operand")
325    (match_operand:SF 2 "register_operand")]
326   "TARGET_HARD_FLOAT && TARGET_PAIRED_SINGLE_FLOAT"
328   if (BYTES_BIG_ENDIAN)
329     emit_insn (gen_vec_concatv2sf (operands[0], operands[1], operands[2]));
330   else
331     emit_insn (gen_vec_concatv2sf (operands[0], operands[2], operands[1]));
332   DONE;
335 ; cvt.s.pl - Floating Point Convert Pair Lower to Single Floating Point
336 (define_expand "mips_cvt_s_pl"
337   [(set (match_operand:SF 0 "register_operand")
338         (vec_select:SF (match_operand:V2SF 1 "register_operand")
339                        (parallel [(match_dup 2)])))]
340   "TARGET_HARD_FLOAT && TARGET_PAIRED_SINGLE_FLOAT"
341   { operands[2] = GEN_INT (BYTES_BIG_ENDIAN); })
343 ; cvt.s.pu - Floating Point Convert Pair Upper to Single Floating Point
344 (define_expand "mips_cvt_s_pu"
345   [(set (match_operand:SF 0 "register_operand")
346         (vec_select:SF (match_operand:V2SF 1 "register_operand")
347                        (parallel [(match_dup 2)])))]
348   "TARGET_HARD_FLOAT && TARGET_PAIRED_SINGLE_FLOAT"
349   { operands[2] = GEN_INT (!BYTES_BIG_ENDIAN); })
351 ; alnv.ps - Floating Point Align Variable
352 (define_insn "mips_alnv_ps"
353   [(set (match_operand:V2SF 0 "register_operand" "=f")
354         (unspec:V2SF [(match_operand:V2SF 1 "register_operand" "f")
355                       (match_operand:V2SF 2 "register_operand" "f")
356                       (match_operand:SI 3 "register_operand" "d")]
357                      UNSPEC_ALNV_PS))]
358   "TARGET_HARD_FLOAT && TARGET_PAIRED_SINGLE_FLOAT"
359   "alnv.ps\t%0,%1,%2,%3"
360   [(set_attr "type" "fmove")
361    (set_attr "mode" "SF")])
363 ; addr.ps - Floating Point Reduction Add
364 (define_insn "mips_addr_ps"
365   [(set (match_operand:V2SF 0 "register_operand" "=f")
366         (unspec:V2SF [(match_operand:V2SF 1 "register_operand" "f")
367                       (match_operand:V2SF 2 "register_operand" "f")]
368                      UNSPEC_ADDR_PS))]
369   "TARGET_HARD_FLOAT && TARGET_MIPS3D"
370   "addr.ps\t%0,%1,%2"
371   [(set_attr "type" "fadd")
372    (set_attr "mode" "SF")])
374 (define_insn "reduc_splus_v2sf"
375   [(set (match_operand:V2SF 0 "register_operand" "=f")
376         (unspec:V2SF [(match_operand:V2SF 1 "register_operand" "f")
377                       (match_dup 1)]
378                      UNSPEC_ADDR_PS))]
379   "TARGET_HARD_FLOAT && TARGET_MIPS3D"
380   "")
382 ; cvt.pw.ps - Floating Point Convert Paired Single to Paired Word
383 (define_insn "mips_cvt_pw_ps"
384   [(set (match_operand:V2SF 0 "register_operand" "=f")
385         (unspec:V2SF [(match_operand:V2SF 1 "register_operand" "f")]
386                      UNSPEC_CVT_PW_PS))]
387   "TARGET_HARD_FLOAT && TARGET_MIPS3D"
388   "cvt.pw.ps\t%0,%1"
389   [(set_attr "type" "fcvt")
390    (set_attr "mode" "SF")])
392 ; cvt.ps.pw - Floating Point Convert Paired Word to Paired Single
393 (define_insn "mips_cvt_ps_pw"
394   [(set (match_operand:V2SF 0 "register_operand" "=f")
395         (unspec:V2SF [(match_operand:V2SF 1 "register_operand" "f")]
396                      UNSPEC_CVT_PS_PW))]
397   "TARGET_HARD_FLOAT && TARGET_MIPS3D"
398   "cvt.ps.pw\t%0,%1"
399   [(set_attr "type" "fcvt")
400    (set_attr "mode" "SF")])
402 ; mulr.ps - Floating Point Reduction Multiply
403 (define_insn "mips_mulr_ps"
404   [(set (match_operand:V2SF 0 "register_operand" "=f")
405         (unspec:V2SF [(match_operand:V2SF 1 "register_operand" "f")
406                       (match_operand:V2SF 2 "register_operand" "f")]
407                      UNSPEC_MULR_PS))]
408   "TARGET_HARD_FLOAT && TARGET_MIPS3D"
409   "mulr.ps\t%0,%1,%2"
410   [(set_attr "type" "fmul")
411    (set_attr "mode" "SF")])
413 ; abs.ps
414 (define_expand "mips_abs_ps"
415   [(set (match_operand:V2SF 0 "register_operand")
416         (unspec:V2SF [(match_operand:V2SF 1 "register_operand")]
417                      UNSPEC_ABS_PS))]
418   "TARGET_HARD_FLOAT && TARGET_PAIRED_SINGLE_FLOAT"
420   /* If we can ignore NaNs, this operation is equivalent to the
421      rtl ABS code.  */
422   if (!HONOR_NANS (V2SFmode))
423     {
424       emit_insn (gen_absv2sf2 (operands[0], operands[1]));
425       DONE;
426     }
429 (define_insn "*mips_abs_ps"
430   [(set (match_operand:V2SF 0 "register_operand" "=f")
431         (unspec:V2SF [(match_operand:V2SF 1 "register_operand" "f")]
432                      UNSPEC_ABS_PS))]
433   "TARGET_HARD_FLOAT && TARGET_PAIRED_SINGLE_FLOAT"
434   "abs.ps\t%0,%1"
435   [(set_attr "type" "fabs")
436    (set_attr "mode" "SF")])
438 ;----------------------------------------------------------------------------
439 ; Floating Point Comparisons for Scalars
440 ;----------------------------------------------------------------------------
442 (define_insn "mips_cabs_cond_<fmt>"
443   [(set (match_operand:CC 0 "register_operand" "=z")
444         (unspec:CC [(match_operand:SCALARF 1 "register_operand" "f")
445                     (match_operand:SCALARF 2 "register_operand" "f")
446                     (match_operand 3 "const_int_operand" "")]
447                    UNSPEC_CABS))]
448   "TARGET_HARD_FLOAT && TARGET_MIPS3D"
449   "cabs.%Y3.<fmt>\t%0,%1,%2"
450   [(set_attr "type" "fcmp")
451    (set_attr "mode" "FPSW")])
454 ;----------------------------------------------------------------------------
455 ; Floating Point Comparisons for Four Singles
456 ;----------------------------------------------------------------------------
458 (define_insn_and_split "mips_c_cond_4s"
459   [(set (match_operand:CCV4 0 "register_operand" "=z")
460         (unspec:CCV4 [(match_operand:V2SF 1 "register_operand" "f")
461                       (match_operand:V2SF 2 "register_operand" "f")
462                       (match_operand:V2SF 3 "register_operand" "f")
463                       (match_operand:V2SF 4 "register_operand" "f")
464                       (match_operand 5 "const_int_operand" "")]
465                      UNSPEC_C))]
466   "TARGET_HARD_FLOAT && TARGET_PAIRED_SINGLE_FLOAT"
467   "#"
468   "&& reload_completed"
469   [(set (match_dup 6)
470         (unspec:CCV2 [(match_dup 1)
471                       (match_dup 2)
472                       (match_dup 5)]
473                      UNSPEC_C))
474    (set (match_dup 7)
475         (unspec:CCV2 [(match_dup 3)
476                       (match_dup 4)
477                       (match_dup 5)]
478                      UNSPEC_C))]
480   operands[6] = simplify_gen_subreg (CCV2mode, operands[0], CCV4mode, 0);
481   operands[7] = simplify_gen_subreg (CCV2mode, operands[0], CCV4mode, 8);
483   [(set_attr "type" "fcmp")
484    (set_attr "insn_count" "2")
485    (set_attr "mode" "FPSW")])
487 (define_insn_and_split "mips_cabs_cond_4s"
488   [(set (match_operand:CCV4 0 "register_operand" "=z")
489         (unspec:CCV4 [(match_operand:V2SF 1 "register_operand" "f")
490                       (match_operand:V2SF 2 "register_operand" "f")
491                       (match_operand:V2SF 3 "register_operand" "f")
492                       (match_operand:V2SF 4 "register_operand" "f")
493                       (match_operand 5 "const_int_operand" "")]
494                      UNSPEC_CABS))]
495   "TARGET_HARD_FLOAT && TARGET_MIPS3D"
496   "#"
497   "&& reload_completed"
498   [(set (match_dup 6)
499         (unspec:CCV2 [(match_dup 1)
500                       (match_dup 2)
501                       (match_dup 5)]
502                      UNSPEC_CABS))
503    (set (match_dup 7)
504         (unspec:CCV2 [(match_dup 3)
505                       (match_dup 4)
506                       (match_dup 5)]
507                      UNSPEC_CABS))]
509   operands[6] = simplify_gen_subreg (CCV2mode, operands[0], CCV4mode, 0);
510   operands[7] = simplify_gen_subreg (CCV2mode, operands[0], CCV4mode, 8);
512   [(set_attr "type" "fcmp")
513    (set_attr "insn_count" "2")
514    (set_attr "mode" "FPSW")])
517 ;----------------------------------------------------------------------------
518 ; Floating Point Comparisons for Paired Singles
519 ;----------------------------------------------------------------------------
521 (define_insn "mips_c_cond_ps"
522   [(set (match_operand:CCV2 0 "register_operand" "=z")
523         (unspec:CCV2 [(match_operand:V2SF 1 "register_operand" "f")
524                       (match_operand:V2SF 2 "register_operand" "f")
525                       (match_operand 3 "const_int_operand" "")]
526                      UNSPEC_C))]
527   "TARGET_HARD_FLOAT && TARGET_PAIRED_SINGLE_FLOAT"
528   "c.%Y3.ps\t%0,%1,%2"
529   [(set_attr "type" "fcmp")
530    (set_attr "mode" "FPSW")])
532 (define_insn "mips_cabs_cond_ps"
533   [(set (match_operand:CCV2 0 "register_operand" "=z")
534         (unspec:CCV2 [(match_operand:V2SF 1 "register_operand" "f")
535                       (match_operand:V2SF 2 "register_operand" "f")
536                       (match_operand 3 "const_int_operand" "")]
537                      UNSPEC_CABS))]
538   "TARGET_HARD_FLOAT && TARGET_MIPS3D"
539   "cabs.%Y3.ps\t%0,%1,%2"
540   [(set_attr "type" "fcmp")
541    (set_attr "mode" "FPSW")])
543 ;; An expander for generating an scc operation.
544 (define_expand "scc_ps"
545   [(set (match_operand:CCV2 0)
546         (unspec:CCV2 [(match_operand 1)] UNSPEC_SCC))])
548 (define_insn "s<code>_ps"
549   [(set (match_operand:CCV2 0 "register_operand" "=z")
550         (unspec:CCV2
551            [(fcond (match_operand:V2SF 1 "register_operand" "f")
552                    (match_operand:V2SF 2 "register_operand" "f"))]
553            UNSPEC_SCC))]
554   "TARGET_HARD_FLOAT && TARGET_PAIRED_SINGLE_FLOAT"
555   "c.<fcond>.ps\t%0,%1,%2"
556   [(set_attr "type" "fcmp")
557    (set_attr "mode" "FPSW")])
559 (define_insn "s<code>_ps"
560   [(set (match_operand:CCV2 0 "register_operand" "=z")
561         (unspec:CCV2
562            [(swapped_fcond (match_operand:V2SF 1 "register_operand" "f")
563                            (match_operand:V2SF 2 "register_operand" "f"))]
564            UNSPEC_SCC))]
565   "TARGET_HARD_FLOAT && TARGET_PAIRED_SINGLE_FLOAT"
566   "c.<swapped_fcond>.ps\t%0,%2,%1"
567   [(set_attr "type" "fcmp")
568    (set_attr "mode" "FPSW")])
570 ;----------------------------------------------------------------------------
571 ; Floating Point Branch Instructions.
572 ;----------------------------------------------------------------------------
574 ; Branch on Any of Four Floating Point Condition Codes True
575 (define_insn "bc1any4t"
576   [(set (pc)
577         (if_then_else (ne (match_operand:CCV4 1 "register_operand" "z")
578                           (const_int 0))
579                       (label_ref (match_operand 0 "" ""))
580                       (pc)))]
581   "TARGET_HARD_FLOAT && TARGET_MIPS3D"
582   "%*bc1any4t\t%1,%0%/"
583   [(set_attr "type" "branch")])
585 ; Branch on Any of Four Floating Point Condition Codes False
586 (define_insn "bc1any4f"
587   [(set (pc)
588         (if_then_else (ne (match_operand:CCV4 1 "register_operand" "z")
589                           (const_int -1))
590                       (label_ref (match_operand 0 "" ""))
591                       (pc)))]
592   "TARGET_HARD_FLOAT && TARGET_MIPS3D"
593   "%*bc1any4f\t%1,%0%/"
594   [(set_attr "type" "branch")])
596 ; Branch on Any of Two Floating Point Condition Codes True
597 (define_insn "bc1any2t"
598   [(set (pc)
599         (if_then_else (ne (match_operand:CCV2 1 "register_operand" "z")
600                           (const_int 0))
601                       (label_ref (match_operand 0 "" ""))
602                       (pc)))]
603   "TARGET_HARD_FLOAT && TARGET_MIPS3D"
604   "%*bc1any2t\t%1,%0%/"
605   [(set_attr "type" "branch")])
607 ; Branch on Any of Two Floating Point Condition Codes False
608 (define_insn "bc1any2f"
609   [(set (pc)
610         (if_then_else (ne (match_operand:CCV2 1 "register_operand" "z")
611                           (const_int -1))
612                       (label_ref (match_operand 0 "" ""))
613                       (pc)))]
614   "TARGET_HARD_FLOAT && TARGET_MIPS3D"
615   "%*bc1any2f\t%1,%0%/"
616   [(set_attr "type" "branch")])
618 ; Used to access one register in a CCV2 pair.  Operand 0 is the register
619 ; pair and operand 1 is the index of the register we want (a CONST_INT).
620 (define_expand "single_cc"
621   [(ne (unspec:CC [(match_operand 0) (match_operand 1)] UNSPEC_SINGLE_CC)
622        (const_int 0))])
624 ; This is a normal floating-point branch pattern, but rather than check
625 ; a single CCmode register, it checks one register in a CCV2 pair.
626 ; Operand 2 is the register pair and operand 3 is the index of the
627 ; register we want.
628 (define_insn "*branch_upper_lower"
629   [(set (pc)
630         (if_then_else
631          (match_operator 1 "equality_operator"
632             [(unspec:CC [(match_operand:CCV2 2 "register_operand" "z")
633                          (match_operand 3 "const_int_operand")]
634                         UNSPEC_SINGLE_CC)
635              (const_int 0)])
636          (label_ref (match_operand 0 "" ""))
637          (pc)))]
638   "TARGET_HARD_FLOAT"
640   operands[2]
641     = gen_rtx_REG (CCmode, REGNO (operands[2]) + INTVAL (operands[3]));
642   return mips_output_conditional_branch (insn, operands,
643                                          MIPS_BRANCH ("b%F1", "%2,%0"),
644                                          MIPS_BRANCH ("b%W1", "%2,%0"));
646   [(set_attr "type" "branch")])
648 ; As above, but with the sense of the condition reversed.
649 (define_insn "*branch_upper_lower_inverted"
650   [(set (pc)
651         (if_then_else
652          (match_operator 1 "equality_operator"
653             [(unspec:CC [(match_operand:CCV2 2 "register_operand" "z")
654                          (match_operand 3 "const_int_operand")]
655                         UNSPEC_SINGLE_CC)
656              (const_int 0)])
657          (pc)
658          (label_ref (match_operand 0 "" ""))))]
659   "TARGET_HARD_FLOAT"
661   operands[2]
662     = gen_rtx_REG (CCmode, REGNO (operands[2]) + INTVAL (operands[3]));
663   return mips_output_conditional_branch (insn, operands,
664                                          MIPS_BRANCH ("b%W1", "%2,%0"),
665                                          MIPS_BRANCH ("b%F1", "%2,%0"));
667   [(set_attr "type" "branch")])
669 ;----------------------------------------------------------------------------
670 ; Floating Point Reduced Precision Reciprocal Square Root Instructions.
671 ;----------------------------------------------------------------------------
673 (define_insn "mips_rsqrt1_<fmt>"
674   [(set (match_operand:ANYF 0 "register_operand" "=f")
675         (unspec:ANYF [(match_operand:ANYF 1 "register_operand" "f")]
676                      UNSPEC_RSQRT1))]
677   "TARGET_HARD_FLOAT && TARGET_MIPS3D"
678   "rsqrt1.<fmt>\t%0,%1"
679   [(set_attr "type" "frsqrt1")
680    (set_attr "mode" "<UNITMODE>")])
682 (define_insn "mips_rsqrt2_<fmt>"
683   [(set (match_operand:ANYF 0 "register_operand" "=f")
684         (unspec:ANYF [(match_operand:ANYF 1 "register_operand" "f")
685                       (match_operand:ANYF 2 "register_operand" "f")]
686                      UNSPEC_RSQRT2))]
687   "TARGET_HARD_FLOAT && TARGET_MIPS3D"
688   "rsqrt2.<fmt>\t%0,%1,%2"
689   [(set_attr "type" "frsqrt2")
690    (set_attr "mode" "<UNITMODE>")])
692 (define_insn "mips_recip1_<fmt>"
693   [(set (match_operand:ANYF 0 "register_operand" "=f")
694         (unspec:ANYF [(match_operand:ANYF 1 "register_operand" "f")]
695                      UNSPEC_RECIP1))]
696   "TARGET_HARD_FLOAT && TARGET_MIPS3D"
697   "recip1.<fmt>\t%0,%1"
698   [(set_attr "type" "frdiv1")
699    (set_attr "mode" "<UNITMODE>")])
701 (define_insn "mips_recip2_<fmt>"
702   [(set (match_operand:ANYF 0 "register_operand" "=f")
703         (unspec:ANYF [(match_operand:ANYF 1 "register_operand" "f")
704                       (match_operand:ANYF 2 "register_operand" "f")]
705                      UNSPEC_RECIP2))]
706   "TARGET_HARD_FLOAT && TARGET_MIPS3D"
707   "recip2.<fmt>\t%0,%1,%2"
708   [(set_attr "type" "frdiv2")
709    (set_attr "mode" "<UNITMODE>")])
711 (define_expand "vcondv2sfv2sf"
712   [(set (match_operand:V2SF 0 "register_operand")
713         (if_then_else:V2SF
714           (match_operator 3 ""
715             [(match_operand:V2SF 4 "register_operand")
716              (match_operand:V2SF 5 "register_operand")])
717           (match_operand:V2SF 1 "register_operand")
718           (match_operand:V2SF 2 "register_operand")))]
719   "TARGET_HARD_FLOAT && TARGET_PAIRED_SINGLE_FLOAT"
721   mips_expand_vcondv2sf (operands[0], operands[1], operands[2],
722                          GET_CODE (operands[3]), operands[4], operands[5]);
723   DONE;
726 (define_expand "sminv2sf3"
727   [(set (match_operand:V2SF 0 "register_operand")
728         (smin:V2SF (match_operand:V2SF 1 "register_operand")
729                    (match_operand:V2SF 2 "register_operand")))]
730   "TARGET_HARD_FLOAT && TARGET_PAIRED_SINGLE_FLOAT"
732   mips_expand_vcondv2sf (operands[0], operands[1], operands[2],
733                          LE, operands[1], operands[2]);
734   DONE;
737 (define_expand "smaxv2sf3"
738   [(set (match_operand:V2SF 0 "register_operand")
739         (smax:V2SF (match_operand:V2SF 1 "register_operand")
740                    (match_operand:V2SF 2 "register_operand")))]
741   "TARGET_HARD_FLOAT && TARGET_PAIRED_SINGLE_FLOAT"
743   mips_expand_vcondv2sf (operands[0], operands[1], operands[2],
744                          LE, operands[2], operands[1]);
745   DONE;
748 (define_expand "reduc_smin_v2sf"
749   [(match_operand:V2SF 0 "register_operand")
750    (match_operand:V2SF 1 "register_operand")]
751   "TARGET_HARD_FLOAT && TARGET_PAIRED_SINGLE_FLOAT"
753   mips_expand_vec_reduc (operands[0], operands[1], gen_sminv2sf3);
754   DONE;
757 (define_expand "reduc_smax_v2sf"
758   [(match_operand:V2SF 0 "register_operand")
759    (match_operand:V2SF 1 "register_operand")]
760   "TARGET_HARD_FLOAT && TARGET_PAIRED_SINGLE_FLOAT"
762   mips_expand_vec_reduc (operands[0], operands[1], gen_smaxv2sf3);
763   DONE;