remove useless unused attributes in i386 code
[official-gcc.git] / gcc / config / arm / vfp.md
blobab502ad13c23ca4422bed352d0a0b14ae1fbcf88
1 ;; ARM VFP instruction patterns
2 ;; Copyright (C) 2003-2014 Free Software Foundation, Inc.
3 ;; Written by CodeSourcery.
4 ;;
5 ;; This file is part of GCC.
6 ;;
7 ;; GCC is free software; you can redistribute it and/or modify it
8 ;; under the terms of the GNU General Public License as published by
9 ;; the Free Software Foundation; either version 3, or (at your option)
10 ;; any later version.
12 ;; GCC is distributed in the hope that it will be useful, but
13 ;; WITHOUT ANY WARRANTY; without even the implied warranty of
14 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
15 ;; General Public License for more details.
17 ;; You should have received a copy of the GNU General Public License
18 ;; along with GCC; see the file COPYING3.  If not see
19 ;; <http://www.gnu.org/licenses/>.  */
21 ;; SImode moves
22 ;; ??? For now do not allow loading constants into vfp regs.  This causes
23 ;; problems because small constants get converted into adds.
24 (define_insn "*arm_movsi_vfp"
25   [(set (match_operand:SI 0 "nonimmediate_operand" "=rk,r,r,r,rk,m ,*t,r,*t,*t, *Uv")
26       (match_operand:SI 1 "general_operand"        "rk, I,K,j,mi,rk,r,*t,*t,*Uvi,*t"))]
27   "TARGET_ARM && TARGET_VFP && TARGET_HARD_FLOAT
28    && (   s_register_operand (operands[0], SImode)
29        || s_register_operand (operands[1], SImode))"
30   "*
31   switch (which_alternative)
32     {
33     case 0: case 1:
34       return \"mov%?\\t%0, %1\";
35     case 2:
36       return \"mvn%?\\t%0, #%B1\";
37     case 3:
38       return \"movw%?\\t%0, %1\";
39     case 4:
40       return \"ldr%?\\t%0, %1\";
41     case 5:
42       return \"str%?\\t%1, %0\";
43     case 6:
44       return \"fmsr%?\\t%0, %1\\t%@ int\";
45     case 7:
46       return \"fmrs%?\\t%0, %1\\t%@ int\";
47     case 8:
48       return \"fcpys%?\\t%0, %1\\t%@ int\";
49     case 9: case 10:
50       return output_move_vfp (operands);
51     default:
52       gcc_unreachable ();
53     }
54   "
55   [(set_attr "predicable" "yes")
56    (set_attr "type" "mov_reg,mov_reg,mvn_imm,mov_imm,load1,store1,f_mcr,f_mrc,fmov,f_loads,f_stores")
57    (set_attr "pool_range"     "*,*,*,*,4096,*,*,*,*,1020,*")
58    (set_attr "neg_pool_range" "*,*,*,*,4084,*,*,*,*,1008,*")]
61 ;; See thumb2.md:thumb2_movsi_insn for an explanation of the split
62 ;; high/low register alternatives for loads and stores here.
63 ;; The l/Py alternative should come after r/I to ensure that the short variant
64 ;; is chosen with length 2 when the instruction is predicated for
65 ;; arm_restrict_it.
66 (define_insn "*thumb2_movsi_vfp"
67   [(set (match_operand:SI 0 "nonimmediate_operand" "=rk,r,l,r,r, l,*hk,m, *m,*t, r,*t,*t,  *Uv")
68         (match_operand:SI 1 "general_operand"      "rk,I,Py,K,j,mi,*mi,l,*hk, r,*t,*t,*Uvi,*t"))]
69   "TARGET_THUMB2 && TARGET_VFP && TARGET_HARD_FLOAT
70    && (   s_register_operand (operands[0], SImode)
71        || s_register_operand (operands[1], SImode))"
72   "*
73   switch (which_alternative)
74     {
75     case 0:
76     case 1:
77     case 2:
78       return \"mov%?\\t%0, %1\";
79     case 3:
80       return \"mvn%?\\t%0, #%B1\";
81     case 4:
82       return \"movw%?\\t%0, %1\";
83     case 5:
84     case 6:
85       return \"ldr%?\\t%0, %1\";
86     case 7:
87     case 8:
88       return \"str%?\\t%1, %0\";
89     case 9:
90       return \"fmsr%?\\t%0, %1\\t%@ int\";
91     case 10:
92       return \"fmrs%?\\t%0, %1\\t%@ int\";
93     case 11:
94       return \"fcpys%?\\t%0, %1\\t%@ int\";
95     case 12: case 13:
96       return output_move_vfp (operands);
97     default:
98       gcc_unreachable ();
99     }
100   "
101   [(set_attr "predicable" "yes")
102    (set_attr "predicable_short_it" "yes,no,yes,no,no,no,no,no,no,no,no,no,no,no")
103    (set_attr "type" "mov_reg,mov_reg,mov_reg,mvn_reg,mov_imm,load1,load1,store1,store1,f_mcr,f_mrc,fmov,f_loads,f_stores")
104    (set_attr "length" "2,4,2,4,4,4,4,4,4,4,4,4,4,4")
105    (set_attr "pool_range"     "*,*,*,*,*,1018,4094,*,*,*,*,*,1018,*")
106    (set_attr "neg_pool_range" "*,*,*,*,*,   0,   0,*,*,*,*,*,1008,*")]
110 ;; DImode moves
112 (define_insn "*movdi_vfp"
113   [(set (match_operand:DI 0 "nonimmediate_di_operand" "=r,r,r,r,q,q,m,w,r,w,w, Uv")
114        (match_operand:DI 1 "di_operand"              "r,rDa,Db,Dc,mi,mi,q,r,w,w,Uvi,w"))]
115   "TARGET_32BIT && TARGET_HARD_FLOAT && TARGET_VFP && arm_tune != cortexa8
116    && (   register_operand (operands[0], DImode)
117        || register_operand (operands[1], DImode))
118    && !(TARGET_NEON && CONST_INT_P (operands[1])
119         && neon_immediate_valid_for_move (operands[1], DImode, NULL, NULL))"
120   "*
121   switch (which_alternative)
122     {
123     case 0: 
124     case 1:
125     case 2:
126     case 3:
127       return \"#\";
128     case 4:
129     case 5:
130     case 6:
131       return output_move_double (operands, true, NULL);
132     case 7:
133       return \"fmdrr%?\\t%P0, %Q1, %R1\\t%@ int\";
134     case 8:
135       return \"fmrrd%?\\t%Q0, %R0, %P1\\t%@ int\";
136     case 9:
137       if (TARGET_VFP_SINGLE)
138         return \"fcpys%?\\t%0, %1\\t%@ int\;fcpys%?\\t%p0, %p1\\t%@ int\";
139       else
140         return \"fcpyd%?\\t%P0, %P1\\t%@ int\";
141     case 10: case 11:
142       return output_move_vfp (operands);
143     default:
144       gcc_unreachable ();
145     }
146   "
147   [(set_attr "type" "multiple,multiple,multiple,multiple,load2,load2,store2,f_mcrr,f_mrrc,ffarithd,f_loadd,f_stored")
148    (set (attr "length") (cond [(eq_attr "alternative" "1,4,5,6") (const_int 8)
149                               (eq_attr "alternative" "2") (const_int 12)
150                               (eq_attr "alternative" "3") (const_int 16)
151                               (eq_attr "alternative" "9")
152                                (if_then_else
153                                  (match_test "TARGET_VFP_SINGLE")
154                                  (const_int 8)
155                                  (const_int 4))]
156                               (const_int 4)))
157    (set_attr "arm_pool_range"     "*,*,*,*,1020,4096,*,*,*,*,1020,*")
158    (set_attr "thumb2_pool_range"     "*,*,*,*,1018,4094,*,*,*,*,1018,*")
159    (set_attr "neg_pool_range" "*,*,*,*,1004,0,*,*,*,*,1004,*")
160    (set_attr "arch"           "t2,any,any,any,a,t2,any,any,any,any,any,any")]
163 (define_insn "*movdi_vfp_cortexa8"
164   [(set (match_operand:DI 0 "nonimmediate_di_operand" "=r,r,r,r,r,r,m,w,!r,w,w, Uv")
165        (match_operand:DI 1 "di_operand"              "r,rDa,Db,Dc,mi,mi,r,r,w,w,Uvi,w"))]
166   "TARGET_32BIT && TARGET_HARD_FLOAT && TARGET_VFP && arm_tune == cortexa8
167     && (   register_operand (operands[0], DImode)
168         || register_operand (operands[1], DImode))
169     && !(TARGET_NEON && CONST_INT_P (operands[1])
170          && neon_immediate_valid_for_move (operands[1], DImode, NULL, NULL))"
171   "*
172   switch (which_alternative)
173     {
174     case 0: 
175     case 1:
176     case 2:
177     case 3:
178       return \"#\";
179     case 4:
180     case 5:
181     case 6:
182       return output_move_double (operands, true, NULL);
183     case 7:
184       return \"fmdrr%?\\t%P0, %Q1, %R1\\t%@ int\";
185     case 8:
186       return \"fmrrd%?\\t%Q0, %R0, %P1\\t%@ int\";
187     case 9:
188       return \"fcpyd%?\\t%P0, %P1\\t%@ int\";
189     case 10: case 11:
190       return output_move_vfp (operands);
191     default:
192       gcc_unreachable ();
193     }
194   "
195   [(set_attr "type" "multiple,multiple,multiple,multiple,load2,load2,store2,f_mcrr,f_mrrc,ffarithd,f_loadd,f_stored")
196    (set (attr "length") (cond [(eq_attr "alternative" "1") (const_int 8)
197                                (eq_attr "alternative" "2") (const_int 12)
198                                (eq_attr "alternative" "3") (const_int 16)
199                                (eq_attr "alternative" "4,5,6") 
200                                (symbol_ref 
201                                 "arm_count_output_move_double_insns (operands) \
202                                  * 4")]
203                               (const_int 4)))
204    (set_attr "predicable"    "yes")
205    (set_attr "arm_pool_range"     "*,*,*,*,1018,4094,*,*,*,*,1018,*")
206    (set_attr "thumb2_pool_range"     "*,*,*,*,1018,4094,*,*,*,*,1018,*")
207    (set_attr "neg_pool_range" "*,*,*,*,1004,0,*,*,*,*,1004,*")
208    (set (attr "ce_count") 
209         (symbol_ref "get_attr_length (insn) / 4"))
210    (set_attr "arch"           "t2,any,any,any,a,t2,any,any,any,any,any,any")]
213 ;; HFmode moves
214 (define_insn "*movhf_vfp_neon"
215   [(set (match_operand:HF 0 "nonimmediate_operand" "= t,Um,r,m,t,r,t,r,r")
216         (match_operand:HF 1 "general_operand"      " Um, t,m,r,t,r,r,t,F"))]
217   "TARGET_32BIT && TARGET_HARD_FLOAT && TARGET_NEON_FP16
218    && (   s_register_operand (operands[0], HFmode)
219        || s_register_operand (operands[1], HFmode))"
220   "*
221   switch (which_alternative)
222     {
223     case 0:     /* S register from memory */
224       return \"vld1.16\\t{%z0}, %A1\";
225     case 1:     /* memory from S register */
226       return \"vst1.16\\t{%z1}, %A0\";
227     case 2:     /* ARM register from memory */
228       return \"ldrh\\t%0, %1\\t%@ __fp16\";
229     case 3:     /* memory from ARM register */
230       return \"strh\\t%1, %0\\t%@ __fp16\";
231     case 4:     /* S register from S register */
232       return \"fcpys\\t%0, %1\";
233     case 5:     /* ARM register from ARM register */
234       return \"mov\\t%0, %1\\t%@ __fp16\";
235     case 6:     /* S register from ARM register */
236       return \"fmsr\\t%0, %1\";
237     case 7:     /* ARM register from S register */
238       return \"fmrs\\t%0, %1\";
239     case 8:     /* ARM register from constant */
240       {
241         REAL_VALUE_TYPE r;
242         long bits;
243         rtx ops[4];
245         REAL_VALUE_FROM_CONST_DOUBLE (r, operands[1]);
246         bits = real_to_target (NULL, &r, HFmode);
247         ops[0] = operands[0];
248         ops[1] = GEN_INT (bits);
249         ops[2] = GEN_INT (bits & 0xff00);
250         ops[3] = GEN_INT (bits & 0x00ff);
252         if (arm_arch_thumb2)
253           output_asm_insn (\"movw\\t%0, %1\", ops);
254         else
255           output_asm_insn (\"mov\\t%0, %2\;orr\\t%0, %0, %3\", ops);
256         return \"\";
257        }
258     default:
259       gcc_unreachable ();
260     }
261   "
262   [(set_attr "conds" "unconditional")
263    (set_attr "type" "neon_load1_1reg,neon_store1_1reg,\
264                      load1,store1,fmov,mov_reg,f_mcr,f_mrc,multiple")
265    (set_attr "length" "4,4,4,4,4,4,4,4,8")]
268 ;; FP16 without element load/store instructions.
269 (define_insn "*movhf_vfp"
270   [(set (match_operand:HF 0 "nonimmediate_operand" "=r,m,t,r,t,r,r")
271         (match_operand:HF 1 "general_operand"      " m,r,t,r,r,t,F"))]
272   "TARGET_32BIT && TARGET_HARD_FLOAT && TARGET_FP16 && !TARGET_NEON_FP16
273    && (   s_register_operand (operands[0], HFmode)
274        || s_register_operand (operands[1], HFmode))"
275   "*
276   switch (which_alternative)
277     {
278     case 0:     /* ARM register from memory */
279       return \"ldrh\\t%0, %1\\t%@ __fp16\";
280     case 1:     /* memory from ARM register */
281       return \"strh\\t%1, %0\\t%@ __fp16\";
282     case 2:     /* S register from S register */
283       return \"fcpys\\t%0, %1\";
284     case 3:     /* ARM register from ARM register */
285       return \"mov\\t%0, %1\\t%@ __fp16\";
286     case 4:     /* S register from ARM register */
287       return \"fmsr\\t%0, %1\";
288     case 5:     /* ARM register from S register */
289       return \"fmrs\\t%0, %1\";
290     case 6:     /* ARM register from constant */
291       {
292         REAL_VALUE_TYPE r;
293         long bits;
294         rtx ops[4];
296         REAL_VALUE_FROM_CONST_DOUBLE (r, operands[1]);
297         bits = real_to_target (NULL, &r, HFmode);
298         ops[0] = operands[0];
299         ops[1] = GEN_INT (bits);
300         ops[2] = GEN_INT (bits & 0xff00);
301         ops[3] = GEN_INT (bits & 0x00ff);
303         if (arm_arch_thumb2)
304           output_asm_insn (\"movw\\t%0, %1\", ops);
305         else
306           output_asm_insn (\"mov\\t%0, %2\;orr\\t%0, %0, %3\", ops);
307         return \"\";
308        }
309     default:
310       gcc_unreachable ();
311     }
312   "
313   [(set_attr "conds" "unconditional")
314    (set_attr "type" "load1,store1,fmov,mov_reg,f_mcr,f_mrc,multiple")
315    (set_attr "length" "4,4,4,4,4,4,8")]
319 ;; SFmode moves
320 ;; Disparage the w<->r cases because reloading an invalid address is
321 ;; preferable to loading the value via integer registers.
323 (define_insn "*movsf_vfp"
324   [(set (match_operand:SF 0 "nonimmediate_operand" "=t,?r,t ,t  ,Uv,r ,m,t,r")
325         (match_operand:SF 1 "general_operand"      " ?r,t,Dv,UvE,t, mE,r,t,r"))]
326   "TARGET_ARM && TARGET_HARD_FLOAT && TARGET_VFP
327    && (   s_register_operand (operands[0], SFmode)
328        || s_register_operand (operands[1], SFmode))"
329   "*
330   switch (which_alternative)
331     {
332     case 0:
333       return \"fmsr%?\\t%0, %1\";
334     case 1:
335       return \"fmrs%?\\t%0, %1\";
336     case 2:
337       return \"fconsts%?\\t%0, #%G1\";
338     case 3: case 4:
339       return output_move_vfp (operands);
340     case 5:
341       return \"ldr%?\\t%0, %1\\t%@ float\";
342     case 6:
343       return \"str%?\\t%1, %0\\t%@ float\";
344     case 7:
345       return \"fcpys%?\\t%0, %1\";
346     case 8:
347       return \"mov%?\\t%0, %1\\t%@ float\";
348     default:
349       gcc_unreachable ();
350     }
351   "
352   [(set_attr "predicable" "yes")
353    (set_attr "type"
354      "f_mcr,f_mrc,fconsts,f_loads,f_stores,load1,store1,fmov,mov_reg")
355    (set_attr "pool_range" "*,*,*,1020,*,4096,*,*,*")
356    (set_attr "neg_pool_range" "*,*,*,1008,*,4080,*,*,*")]
359 (define_insn "*thumb2_movsf_vfp"
360   [(set (match_operand:SF 0 "nonimmediate_operand" "=t,?r,t, t  ,Uv,r ,m,t,r")
361         (match_operand:SF 1 "general_operand"      " ?r,t,Dv,UvE,t, mE,r,t,r"))]
362   "TARGET_THUMB2 && TARGET_HARD_FLOAT && TARGET_VFP
363    && (   s_register_operand (operands[0], SFmode)
364        || s_register_operand (operands[1], SFmode))"
365   "*
366   switch (which_alternative)
367     {
368     case 0:
369       return \"fmsr%?\\t%0, %1\";
370     case 1:
371       return \"fmrs%?\\t%0, %1\";
372     case 2:
373       return \"fconsts%?\\t%0, #%G1\";
374     case 3: case 4:
375       return output_move_vfp (operands);
376     case 5:
377       return \"ldr%?\\t%0, %1\\t%@ float\";
378     case 6:
379       return \"str%?\\t%1, %0\\t%@ float\";
380     case 7:
381       return \"fcpys%?\\t%0, %1\";
382     case 8:
383       return \"mov%?\\t%0, %1\\t%@ float\";
384     default:
385       gcc_unreachable ();
386     }
387   "
388   [(set_attr "predicable" "yes")
389    (set_attr "predicable_short_it" "no")
390    (set_attr "type"
391      "f_mcr,f_mrc,fconsts,f_loads,f_stores,load1,store1,fmov,mov_reg")
392    (set_attr "pool_range" "*,*,*,1018,*,4090,*,*,*")
393    (set_attr "neg_pool_range" "*,*,*,1008,*,0,*,*,*")]
396 ;; DFmode moves
398 (define_insn "*movdf_vfp"
399   [(set (match_operand:DF 0 "nonimmediate_soft_df_operand" "=w,?r,w ,w  ,Uv,r, m,w,r")
400         (match_operand:DF 1 "soft_df_operand"              " ?r,w,Dy,UvF,w ,mF,r,w,r"))]
401   "TARGET_ARM && TARGET_HARD_FLOAT && TARGET_VFP
402    && (   register_operand (operands[0], DFmode)
403        || register_operand (operands[1], DFmode))"
404   "*
405   {
406     switch (which_alternative)
407       {
408       case 0:
409         return \"fmdrr%?\\t%P0, %Q1, %R1\";
410       case 1:
411         return \"fmrrd%?\\t%Q0, %R0, %P1\";
412       case 2:
413         gcc_assert (TARGET_VFP_DOUBLE);
414         return \"fconstd%?\\t%P0, #%G1\";
415       case 3: case 4:
416         return output_move_vfp (operands);
417       case 5: case 6:
418         return output_move_double (operands, true, NULL);
419       case 7:
420         if (TARGET_VFP_SINGLE)
421           return \"fcpys%?\\t%0, %1\;fcpys%?\\t%p0, %p1\";
422         else
423           return \"fcpyd%?\\t%P0, %P1\";
424       case 8:
425         return \"#\";
426       default:
427         gcc_unreachable ();
428       }
429     }
430   "
431   [(set_attr "type" "f_mcrr,f_mrrc,fconstd,f_loadd,f_stored,\
432                      load2,store2,ffarithd,multiple")
433    (set (attr "length") (cond [(eq_attr "alternative" "5,6,8") (const_int 8)
434                                (eq_attr "alternative" "7")
435                                 (if_then_else
436                                  (match_test "TARGET_VFP_SINGLE")
437                                  (const_int 8)
438                                  (const_int 4))]
439                               (const_int 4)))
440    (set_attr "predicable" "yes")
441    (set_attr "pool_range" "*,*,*,1020,*,1020,*,*,*")
442    (set_attr "neg_pool_range" "*,*,*,1004,*,1004,*,*,*")]
445 (define_insn "*thumb2_movdf_vfp"
446   [(set (match_operand:DF 0 "nonimmediate_soft_df_operand" "=w,?r,w ,w  ,Uv,r ,m,w,r")
447         (match_operand:DF 1 "soft_df_operand"              " ?r,w,Dy,UvF,w, mF,r, w,r"))]
448   "TARGET_THUMB2 && TARGET_HARD_FLOAT && TARGET_VFP
449    && (   register_operand (operands[0], DFmode)
450        || register_operand (operands[1], DFmode))"
451   "*
452   {
453     switch (which_alternative)
454       {
455       case 0:
456         return \"fmdrr%?\\t%P0, %Q1, %R1\";
457       case 1:
458         return \"fmrrd%?\\t%Q0, %R0, %P1\";
459       case 2:
460         gcc_assert (TARGET_VFP_DOUBLE);
461         return \"fconstd%?\\t%P0, #%G1\";
462       case 3: case 4:
463         return output_move_vfp (operands);
464       case 5: case 6: case 8:
465         return output_move_double (operands, true, NULL);
466       case 7:
467         if (TARGET_VFP_SINGLE)
468           return \"fcpys%?\\t%0, %1\;fcpys%?\\t%p0, %p1\";
469         else
470           return \"fcpyd%?\\t%P0, %P1\";
471       default:
472         abort ();
473       }
474     }
475   "
476   [(set_attr "type" "f_mcrr,f_mrrc,fconstd,f_loadd,\
477                      f_stored,load2,store2,ffarithd,multiple")
478    (set (attr "length") (cond [(eq_attr "alternative" "5,6,8") (const_int 8)
479                                (eq_attr "alternative" "7")
480                                 (if_then_else
481                                  (match_test "TARGET_VFP_SINGLE")
482                                  (const_int 8)
483                                  (const_int 4))]
484                               (const_int 4)))
485    (set_attr "pool_range" "*,*,*,1018,*,4094,*,*,*")
486    (set_attr "neg_pool_range" "*,*,*,1008,*,0,*,*,*")]
490 ;; Conditional move patterns
492 (define_insn "*movsfcc_vfp"
493   [(set (match_operand:SF   0 "s_register_operand" "=t,t,t,t,t,t,?r,?r,?r")
494         (if_then_else:SF
495           (match_operator   3 "arm_comparison_operator"
496             [(match_operand 4 "cc_register" "") (const_int 0)])
497           (match_operand:SF 1 "s_register_operand" "0,t,t,0,?r,?r,0,t,t")
498           (match_operand:SF 2 "s_register_operand" "t,0,t,?r,0,?r,t,0,t")))]
499   "TARGET_ARM && TARGET_HARD_FLOAT && TARGET_VFP"
500   "@
501    fcpys%D3\\t%0, %2
502    fcpys%d3\\t%0, %1
503    fcpys%D3\\t%0, %2\;fcpys%d3\\t%0, %1
504    fmsr%D3\\t%0, %2
505    fmsr%d3\\t%0, %1
506    fmsr%D3\\t%0, %2\;fmsr%d3\\t%0, %1
507    fmrs%D3\\t%0, %2
508    fmrs%d3\\t%0, %1
509    fmrs%D3\\t%0, %2\;fmrs%d3\\t%0, %1"
510    [(set_attr "conds" "use")
511     (set_attr "length" "4,4,8,4,4,8,4,4,8")
512     (set_attr "type" "fmov,fmov,fmov,f_mcr,f_mcr,f_mcr,f_mrc,f_mrc,f_mrc")]
515 (define_insn "*thumb2_movsfcc_vfp"
516   [(set (match_operand:SF   0 "s_register_operand" "=t,t,t,t,t,t,?r,?r,?r")
517         (if_then_else:SF
518           (match_operator   3 "arm_comparison_operator"
519             [(match_operand 4 "cc_register" "") (const_int 0)])
520           (match_operand:SF 1 "s_register_operand" "0,t,t,0,?r,?r,0,t,t")
521           (match_operand:SF 2 "s_register_operand" "t,0,t,?r,0,?r,t,0,t")))]
522   "TARGET_THUMB2 && TARGET_HARD_FLOAT && TARGET_VFP && !arm_restrict_it"
523   "@
524    it\\t%D3\;fcpys%D3\\t%0, %2
525    it\\t%d3\;fcpys%d3\\t%0, %1
526    ite\\t%D3\;fcpys%D3\\t%0, %2\;fcpys%d3\\t%0, %1
527    it\\t%D3\;fmsr%D3\\t%0, %2
528    it\\t%d3\;fmsr%d3\\t%0, %1
529    ite\\t%D3\;fmsr%D3\\t%0, %2\;fmsr%d3\\t%0, %1
530    it\\t%D3\;fmrs%D3\\t%0, %2
531    it\\t%d3\;fmrs%d3\\t%0, %1
532    ite\\t%D3\;fmrs%D3\\t%0, %2\;fmrs%d3\\t%0, %1"
533    [(set_attr "conds" "use")
534     (set_attr "length" "6,6,10,6,6,10,6,6,10")
535     (set_attr "type" "fmov,fmov,fmov,f_mcr,f_mcr,f_mcr,f_mrc,f_mrc,f_mrc")]
538 (define_insn "*movdfcc_vfp"
539   [(set (match_operand:DF   0 "s_register_operand" "=w,w,w,w,w,w,?r,?r,?r")
540         (if_then_else:DF
541           (match_operator   3 "arm_comparison_operator"
542             [(match_operand 4 "cc_register" "") (const_int 0)])
543           (match_operand:DF 1 "s_register_operand" "0,w,w,0,?r,?r,0,w,w")
544           (match_operand:DF 2 "s_register_operand" "w,0,w,?r,0,?r,w,0,w")))]
545   "TARGET_ARM && TARGET_HARD_FLOAT && TARGET_VFP_DOUBLE"
546   "@
547    fcpyd%D3\\t%P0, %P2
548    fcpyd%d3\\t%P0, %P1
549    fcpyd%D3\\t%P0, %P2\;fcpyd%d3\\t%P0, %P1
550    fmdrr%D3\\t%P0, %Q2, %R2
551    fmdrr%d3\\t%P0, %Q1, %R1
552    fmdrr%D3\\t%P0, %Q2, %R2\;fmdrr%d3\\t%P0, %Q1, %R1
553    fmrrd%D3\\t%Q0, %R0, %P2
554    fmrrd%d3\\t%Q0, %R0, %P1
555    fmrrd%D3\\t%Q0, %R0, %P2\;fmrrd%d3\\t%Q0, %R0, %P1"
556    [(set_attr "conds" "use")
557     (set_attr "length" "4,4,8,4,4,8,4,4,8")
558     (set_attr "type" "ffarithd,ffarithd,ffarithd,f_mcr,f_mcr,f_mcr,f_mrrc,f_mrrc,f_mrrc")]
561 (define_insn "*thumb2_movdfcc_vfp"
562   [(set (match_operand:DF   0 "s_register_operand" "=w,w,w,w,w,w,?r,?r,?r")
563         (if_then_else:DF
564           (match_operator   3 "arm_comparison_operator"
565             [(match_operand 4 "cc_register" "") (const_int 0)])
566           (match_operand:DF 1 "s_register_operand" "0,w,w,0,?r,?r,0,w,w")
567           (match_operand:DF 2 "s_register_operand" "w,0,w,?r,0,?r,w,0,w")))]
568   "TARGET_THUMB2 && TARGET_HARD_FLOAT && TARGET_VFP_DOUBLE && !arm_restrict_it"
569   "@
570    it\\t%D3\;fcpyd%D3\\t%P0, %P2
571    it\\t%d3\;fcpyd%d3\\t%P0, %P1
572    ite\\t%D3\;fcpyd%D3\\t%P0, %P2\;fcpyd%d3\\t%P0, %P1
573    it\t%D3\;fmdrr%D3\\t%P0, %Q2, %R2
574    it\t%d3\;fmdrr%d3\\t%P0, %Q1, %R1
575    ite\\t%D3\;fmdrr%D3\\t%P0, %Q2, %R2\;fmdrr%d3\\t%P0, %Q1, %R1
576    it\t%D3\;fmrrd%D3\\t%Q0, %R0, %P2
577    it\t%d3\;fmrrd%d3\\t%Q0, %R0, %P1
578    ite\\t%D3\;fmrrd%D3\\t%Q0, %R0, %P2\;fmrrd%d3\\t%Q0, %R0, %P1"
579    [(set_attr "conds" "use")
580     (set_attr "length" "6,6,10,6,6,10,6,6,10")
581     (set_attr "type" "ffarithd,ffarithd,ffarithd,f_mcr,f_mcr,f_mcrr,f_mrrc,f_mrrc,f_mrrc")]
585 ;; Sign manipulation functions
587 (define_insn "*abssf2_vfp"
588   [(set (match_operand:SF         0 "s_register_operand" "=t")
589         (abs:SF (match_operand:SF 1 "s_register_operand" "t")))]
590   "TARGET_32BIT && TARGET_HARD_FLOAT && TARGET_VFP"
591   "fabss%?\\t%0, %1"
592   [(set_attr "predicable" "yes")
593    (set_attr "predicable_short_it" "no")
594    (set_attr "type" "ffariths")]
597 (define_insn "*absdf2_vfp"
598   [(set (match_operand:DF         0 "s_register_operand" "=w")
599         (abs:DF (match_operand:DF 1 "s_register_operand" "w")))]
600   "TARGET_32BIT && TARGET_HARD_FLOAT && TARGET_VFP_DOUBLE"
601   "fabsd%?\\t%P0, %P1"
602   [(set_attr "predicable" "yes")
603    (set_attr "predicable_short_it" "no")
604    (set_attr "type" "ffarithd")]
607 (define_insn "*negsf2_vfp"
608   [(set (match_operand:SF         0 "s_register_operand" "=t,?r")
609         (neg:SF (match_operand:SF 1 "s_register_operand" "t,r")))]
610   "TARGET_32BIT && TARGET_HARD_FLOAT && TARGET_VFP"
611   "@
612    fnegs%?\\t%0, %1
613    eor%?\\t%0, %1, #-2147483648"
614   [(set_attr "predicable" "yes")
615    (set_attr "predicable_short_it" "no")
616    (set_attr "type" "ffariths")]
619 (define_insn_and_split "*negdf2_vfp"
620   [(set (match_operand:DF         0 "s_register_operand" "=w,?r,?r")
621         (neg:DF (match_operand:DF 1 "s_register_operand" "w,0,r")))]
622   "TARGET_32BIT && TARGET_HARD_FLOAT && TARGET_VFP_DOUBLE"
623   "@
624    fnegd%?\\t%P0, %P1
625    #
626    #"
627   "TARGET_32BIT && TARGET_HARD_FLOAT && TARGET_VFP_DOUBLE && reload_completed
628    && arm_general_register_operand (operands[0], DFmode)"
629   [(set (match_dup 0) (match_dup 1))]
630   "
631   if (REGNO (operands[0]) == REGNO (operands[1]))
632     {
633       operands[0] = gen_highpart (SImode, operands[0]);
634       operands[1] = gen_rtx_XOR (SImode, operands[0], GEN_INT (0x80000000));
635     }
636   else
637     {
638       rtx in_hi, in_lo, out_hi, out_lo;
640       in_hi = gen_rtx_XOR (SImode, gen_highpart (SImode, operands[1]),
641                            GEN_INT (0x80000000));
642       in_lo = gen_lowpart (SImode, operands[1]);
643       out_hi = gen_highpart (SImode, operands[0]);
644       out_lo = gen_lowpart (SImode, operands[0]);
646       if (REGNO (in_lo) == REGNO (out_hi))
647         {
648           emit_insn (gen_rtx_SET (SImode, out_lo, in_lo));
649           operands[0] = out_hi;
650           operands[1] = in_hi;
651         }
652       else
653         {
654           emit_insn (gen_rtx_SET (SImode, out_hi, in_hi));
655           operands[0] = out_lo;
656           operands[1] = in_lo;
657         }
658     }
659   "
660   [(set_attr "predicable" "yes")
661    (set_attr "predicable_short_it" "no")
662    (set_attr "length" "4,4,8")
663    (set_attr "type" "ffarithd")]
667 ;; Arithmetic insns
669 (define_insn "*addsf3_vfp"
670   [(set (match_operand:SF          0 "s_register_operand" "=t")
671         (plus:SF (match_operand:SF 1 "s_register_operand" "t")
672                  (match_operand:SF 2 "s_register_operand" "t")))]
673   "TARGET_32BIT && TARGET_HARD_FLOAT && TARGET_VFP"
674   "fadds%?\\t%0, %1, %2"
675   [(set_attr "predicable" "yes")
676    (set_attr "predicable_short_it" "no")
677    (set_attr "type" "fadds")]
680 (define_insn "*adddf3_vfp"
681   [(set (match_operand:DF          0 "s_register_operand" "=w")
682         (plus:DF (match_operand:DF 1 "s_register_operand" "w")
683                  (match_operand:DF 2 "s_register_operand" "w")))]
684   "TARGET_32BIT && TARGET_HARD_FLOAT && TARGET_VFP_DOUBLE"
685   "faddd%?\\t%P0, %P1, %P2"
686   [(set_attr "predicable" "yes")
687    (set_attr "predicable_short_it" "no")
688    (set_attr "type" "faddd")]
692 (define_insn "*subsf3_vfp"
693   [(set (match_operand:SF           0 "s_register_operand" "=t")
694         (minus:SF (match_operand:SF 1 "s_register_operand" "t")
695                   (match_operand:SF 2 "s_register_operand" "t")))]
696   "TARGET_32BIT && TARGET_HARD_FLOAT && TARGET_VFP"
697   "fsubs%?\\t%0, %1, %2"
698   [(set_attr "predicable" "yes")
699    (set_attr "predicable_short_it" "no")
700    (set_attr "type" "fadds")]
703 (define_insn "*subdf3_vfp"
704   [(set (match_operand:DF           0 "s_register_operand" "=w")
705         (minus:DF (match_operand:DF 1 "s_register_operand" "w")
706                   (match_operand:DF 2 "s_register_operand" "w")))]
707   "TARGET_32BIT && TARGET_HARD_FLOAT && TARGET_VFP_DOUBLE"
708   "fsubd%?\\t%P0, %P1, %P2"
709   [(set_attr "predicable" "yes")
710    (set_attr "predicable_short_it" "no")
711    (set_attr "type" "faddd")]
715 ;; Division insns
717 ; VFP9 Erratum 760019: It's potentially unsafe to overwrite the input
718 ; operands, so mark the output as early clobber for VFPv2 on ARMv5 or
719 ; earlier.
720 (define_insn "*divsf3_vfp"
721   [(set (match_operand:SF         0 "s_register_operand" "=&t,t")
722         (div:SF (match_operand:SF 1 "s_register_operand" "t,t")
723                 (match_operand:SF 2 "s_register_operand" "t,t")))]
724   "TARGET_32BIT && TARGET_HARD_FLOAT && TARGET_VFP"
725   "fdivs%?\\t%0, %1, %2"
726   [(set_attr "predicable" "yes")
727    (set_attr "predicable_short_it" "no")
728    (set_attr "arch" "*,armv6_or_vfpv3")
729    (set_attr "type" "fdivs")]
732 (define_insn "*divdf3_vfp"
733   [(set (match_operand:DF         0 "s_register_operand" "=&w,w")
734         (div:DF (match_operand:DF 1 "s_register_operand" "w,w")
735                 (match_operand:DF 2 "s_register_operand" "w,w")))]
736   "TARGET_32BIT && TARGET_HARD_FLOAT && TARGET_VFP_DOUBLE"
737   "fdivd%?\\t%P0, %P1, %P2"
738   [(set_attr "predicable" "yes")
739    (set_attr "predicable_short_it" "no")
740    (set_attr "arch" "*,armv6_or_vfpv3")
741    (set_attr "type" "fdivd")]
745 ;; Multiplication insns
747 (define_insn "*mulsf3_vfp"
748   [(set (match_operand:SF          0 "s_register_operand" "=t")
749         (mult:SF (match_operand:SF 1 "s_register_operand" "t")
750                  (match_operand:SF 2 "s_register_operand" "t")))]
751   "TARGET_32BIT && TARGET_HARD_FLOAT && TARGET_VFP"
752   "fmuls%?\\t%0, %1, %2"
753   [(set_attr "predicable" "yes")
754    (set_attr "predicable_short_it" "no")
755    (set_attr "type" "fmuls")]
758 (define_insn "*muldf3_vfp"
759   [(set (match_operand:DF          0 "s_register_operand" "=w")
760         (mult:DF (match_operand:DF 1 "s_register_operand" "w")
761                  (match_operand:DF 2 "s_register_operand" "w")))]
762   "TARGET_32BIT && TARGET_HARD_FLOAT && TARGET_VFP_DOUBLE"
763   "fmuld%?\\t%P0, %P1, %P2"
764   [(set_attr "predicable" "yes")
765    (set_attr "predicable_short_it" "no")
766    (set_attr "type" "fmuld")]
769 (define_insn "*mulsf3negsf_vfp"
770   [(set (match_operand:SF                  0 "s_register_operand" "=t")
771         (mult:SF (neg:SF (match_operand:SF 1 "s_register_operand" "t"))
772                  (match_operand:SF         2 "s_register_operand" "t")))]
773   "TARGET_32BIT && TARGET_HARD_FLOAT && TARGET_VFP"
774   "fnmuls%?\\t%0, %1, %2"
775   [(set_attr "predicable" "yes")
776    (set_attr "predicable_short_it" "no")
777    (set_attr "type" "fmuls")]
780 (define_insn "*muldf3negdf_vfp"
781   [(set (match_operand:DF                  0 "s_register_operand" "=w")
782         (mult:DF (neg:DF (match_operand:DF 1 "s_register_operand" "w"))
783                  (match_operand:DF         2 "s_register_operand" "w")))]
784   "TARGET_32BIT && TARGET_HARD_FLOAT && TARGET_VFP_DOUBLE"
785   "fnmuld%?\\t%P0, %P1, %P2"
786   [(set_attr "predicable" "yes")
787    (set_attr "predicable_short_it" "no")
788    (set_attr "type" "fmuld")]
792 ;; Multiply-accumulate insns
794 ;; 0 = 1 * 2 + 0
795 (define_insn "*mulsf3addsf_vfp"
796   [(set (match_operand:SF                   0 "s_register_operand" "=t")
797         (plus:SF (mult:SF (match_operand:SF 2 "s_register_operand" "t")
798                           (match_operand:SF 3 "s_register_operand" "t"))
799                  (match_operand:SF          1 "s_register_operand" "0")))]
800   "TARGET_32BIT && TARGET_HARD_FLOAT && TARGET_VFP"
801   "fmacs%?\\t%0, %2, %3"
802   [(set_attr "predicable" "yes")
803    (set_attr "predicable_short_it" "no")
804    (set_attr "type" "fmacs")]
807 (define_insn "*muldf3adddf_vfp"
808   [(set (match_operand:DF                   0 "s_register_operand" "=w")
809         (plus:DF (mult:DF (match_operand:DF 2 "s_register_operand" "w")
810                           (match_operand:DF 3 "s_register_operand" "w"))
811                  (match_operand:DF          1 "s_register_operand" "0")))]
812   "TARGET_32BIT && TARGET_HARD_FLOAT && TARGET_VFP_DOUBLE"
813   "fmacd%?\\t%P0, %P2, %P3"
814   [(set_attr "predicable" "yes")
815    (set_attr "predicable_short_it" "no")
816    (set_attr "type" "fmacd")]
819 ;; 0 = 1 * 2 - 0
820 (define_insn "*mulsf3subsf_vfp"
821   [(set (match_operand:SF                    0 "s_register_operand" "=t")
822         (minus:SF (mult:SF (match_operand:SF 2 "s_register_operand" "t")
823                            (match_operand:SF 3 "s_register_operand" "t"))
824                   (match_operand:SF          1 "s_register_operand" "0")))]
825   "TARGET_32BIT && TARGET_HARD_FLOAT && TARGET_VFP"
826   "fmscs%?\\t%0, %2, %3"
827   [(set_attr "predicable" "yes")
828    (set_attr "predicable_short_it" "no")
829    (set_attr "type" "fmacs")]
832 (define_insn "*muldf3subdf_vfp"
833   [(set (match_operand:DF                    0 "s_register_operand" "=w")
834         (minus:DF (mult:DF (match_operand:DF 2 "s_register_operand" "w")
835                            (match_operand:DF 3 "s_register_operand" "w"))
836                   (match_operand:DF          1 "s_register_operand" "0")))]
837   "TARGET_32BIT && TARGET_HARD_FLOAT && TARGET_VFP_DOUBLE"
838   "fmscd%?\\t%P0, %P2, %P3"
839   [(set_attr "predicable" "yes")
840    (set_attr "predicable_short_it" "no")
841    (set_attr "type" "fmacd")]
844 ;; 0 = -(1 * 2) + 0
845 (define_insn "*mulsf3negsfaddsf_vfp"
846   [(set (match_operand:SF                    0 "s_register_operand" "=t")
847         (minus:SF (match_operand:SF          1 "s_register_operand" "0")
848                   (mult:SF (match_operand:SF 2 "s_register_operand" "t")
849                            (match_operand:SF 3 "s_register_operand" "t"))))]
850   "TARGET_32BIT && TARGET_HARD_FLOAT && TARGET_VFP"
851   "fnmacs%?\\t%0, %2, %3"
852   [(set_attr "predicable" "yes")
853    (set_attr "predicable_short_it" "no")
854    (set_attr "type" "fmacs")]
857 (define_insn "*fmuldf3negdfadddf_vfp"
858   [(set (match_operand:DF                    0 "s_register_operand" "=w")
859         (minus:DF (match_operand:DF          1 "s_register_operand" "0")
860                   (mult:DF (match_operand:DF 2 "s_register_operand" "w")
861                            (match_operand:DF 3 "s_register_operand" "w"))))]
862   "TARGET_32BIT && TARGET_HARD_FLOAT && TARGET_VFP_DOUBLE"
863   "fnmacd%?\\t%P0, %P2, %P3"
864   [(set_attr "predicable" "yes")
865    (set_attr "predicable_short_it" "no")
866    (set_attr "type" "fmacd")]
870 ;; 0 = -(1 * 2) - 0
871 (define_insn "*mulsf3negsfsubsf_vfp"
872   [(set (match_operand:SF                     0 "s_register_operand" "=t")
873         (minus:SF (mult:SF
874                     (neg:SF (match_operand:SF 2 "s_register_operand" "t"))
875                     (match_operand:SF         3 "s_register_operand" "t"))
876                   (match_operand:SF           1 "s_register_operand" "0")))]
877   "TARGET_32BIT && TARGET_HARD_FLOAT && TARGET_VFP"
878   "fnmscs%?\\t%0, %2, %3"
879   [(set_attr "predicable" "yes")
880    (set_attr "predicable_short_it" "no")
881    (set_attr "type" "fmacs")]
884 (define_insn "*muldf3negdfsubdf_vfp"
885   [(set (match_operand:DF                     0 "s_register_operand" "=w")
886         (minus:DF (mult:DF
887                     (neg:DF (match_operand:DF 2 "s_register_operand" "w"))
888                     (match_operand:DF         3 "s_register_operand" "w"))
889                   (match_operand:DF           1 "s_register_operand" "0")))]
890   "TARGET_32BIT && TARGET_HARD_FLOAT && TARGET_VFP_DOUBLE"
891   "fnmscd%?\\t%P0, %P2, %P3"
892   [(set_attr "predicable" "yes")
893    (set_attr "predicable_short_it" "no")
894    (set_attr "type" "fmacd")]
897 ;; Fused-multiply-accumulate
899 (define_insn "fma<SDF:mode>4"
900   [(set (match_operand:SDF 0 "register_operand" "=<F_constraint>")
901         (fma:SDF (match_operand:SDF 1 "register_operand" "<F_constraint>")
902                  (match_operand:SDF 2 "register_operand" "<F_constraint>")
903                  (match_operand:SDF 3 "register_operand" "0")))]
904   "TARGET_32BIT && TARGET_HARD_FLOAT && TARGET_FMA"
905   "vfma%?.<V_if_elem>\\t%<V_reg>0, %<V_reg>1, %<V_reg>2"
906   [(set_attr "predicable" "yes")
907    (set_attr "predicable_short_it" "no")
908    (set_attr "type" "ffma<vfp_type>")]
911 (define_insn "*fmsub<SDF:mode>4"
912   [(set (match_operand:SDF 0 "register_operand" "=<F_constraint>")
913         (fma:SDF (neg:SDF (match_operand:SDF 1 "register_operand"
914                                              "<F_constraint>"))
915                  (match_operand:SDF 2 "register_operand" "<F_constraint>")
916                  (match_operand:SDF 3 "register_operand" "0")))]
917   "TARGET_32BIT && TARGET_HARD_FLOAT && TARGET_FMA"
918   "vfms%?.<V_if_elem>\\t%<V_reg>0, %<V_reg>1, %<V_reg>2"
919   [(set_attr "predicable" "yes")
920    (set_attr "predicable_short_it" "no")
921    (set_attr "type" "ffma<vfp_type>")]
924 (define_insn "*fnmsub<SDF:mode>4"
925   [(set (match_operand:SDF 0 "register_operand" "=<F_constraint>")
926         (fma:SDF (match_operand:SDF 1 "register_operand" "<F_constraint>")
927                  (match_operand:SDF 2 "register_operand" "<F_constraint>")
928                  (neg:SDF (match_operand:SDF 3 "register_operand" "0"))))]
929   "TARGET_32BIT && TARGET_HARD_FLOAT && TARGET_FMA"
930   "vfnms%?.<V_if_elem>\\t%<V_reg>0, %<V_reg>1, %<V_reg>2"
931   [(set_attr "predicable" "yes")
932    (set_attr "predicable_short_it" "no")
933    (set_attr "type" "ffma<vfp_type>")]
936 (define_insn "*fnmadd<SDF:mode>4"
937   [(set (match_operand:SDF 0 "register_operand" "=<F_constraint>")
938         (fma:SDF (neg:SDF (match_operand:SDF 1 "register_operand"
939                                                "<F_constraint>"))
940                  (match_operand:SDF 2 "register_operand" "<F_constraint>")
941                  (neg:SDF (match_operand:SDF 3 "register_operand" "0"))))]
942   "TARGET_32BIT && TARGET_HARD_FLOAT && TARGET_FMA"
943   "vfnma%?.<V_if_elem>\\t%<V_reg>0, %<V_reg>1, %<V_reg>2"
944   [(set_attr "predicable" "yes")
945    (set_attr "predicable_short_it" "no")
946    (set_attr "type" "ffma<vfp_type>")]
950 ;; Conversion routines
952 (define_insn "*extendsfdf2_vfp"
953   [(set (match_operand:DF                  0 "s_register_operand" "=w")
954         (float_extend:DF (match_operand:SF 1 "s_register_operand" "t")))]
955   "TARGET_32BIT && TARGET_HARD_FLOAT && TARGET_VFP_DOUBLE"
956   "fcvtds%?\\t%P0, %1"
957   [(set_attr "predicable" "yes")
958    (set_attr "predicable_short_it" "no")
959    (set_attr "type" "f_cvt")]
962 (define_insn "*truncdfsf2_vfp"
963   [(set (match_operand:SF                  0 "s_register_operand" "=t")
964         (float_truncate:SF (match_operand:DF 1 "s_register_operand" "w")))]
965   "TARGET_32BIT && TARGET_HARD_FLOAT && TARGET_VFP_DOUBLE"
966   "fcvtsd%?\\t%0, %P1"
967   [(set_attr "predicable" "yes")
968    (set_attr "predicable_short_it" "no")
969    (set_attr "type" "f_cvt")]
972 (define_insn "extendhfsf2"
973   [(set (match_operand:SF                  0 "s_register_operand" "=t")
974         (float_extend:SF (match_operand:HF 1 "s_register_operand" "t")))]
975   "TARGET_32BIT && TARGET_HARD_FLOAT && TARGET_FP16"
976   "vcvtb%?.f32.f16\\t%0, %1"
977   [(set_attr "predicable" "yes")
978    (set_attr "predicable_short_it" "no")
979    (set_attr "type" "f_cvt")]
982 (define_insn "truncsfhf2"
983   [(set (match_operand:HF                  0 "s_register_operand" "=t")
984         (float_truncate:HF (match_operand:SF 1 "s_register_operand" "t")))]
985   "TARGET_32BIT && TARGET_HARD_FLOAT && TARGET_FP16"
986   "vcvtb%?.f16.f32\\t%0, %1"
987   [(set_attr "predicable" "yes")
988    (set_attr "predicable_short_it" "no")
989    (set_attr "type" "f_cvt")]
992 (define_insn "*truncsisf2_vfp"
993   [(set (match_operand:SI                 0 "s_register_operand" "=t")
994         (fix:SI (fix:SF (match_operand:SF 1 "s_register_operand" "t"))))]
995   "TARGET_32BIT && TARGET_HARD_FLOAT && TARGET_VFP"
996   "ftosizs%?\\t%0, %1"
997   [(set_attr "predicable" "yes")
998    (set_attr "predicable_short_it" "no")
999    (set_attr "type" "f_cvtf2i")]
1002 (define_insn "*truncsidf2_vfp"
1003   [(set (match_operand:SI                 0 "s_register_operand" "=t")
1004         (fix:SI (fix:DF (match_operand:DF 1 "s_register_operand" "w"))))]
1005   "TARGET_32BIT && TARGET_HARD_FLOAT && TARGET_VFP_DOUBLE"
1006   "ftosizd%?\\t%0, %P1"
1007   [(set_attr "predicable" "yes")
1008    (set_attr "predicable_short_it" "no")
1009    (set_attr "type" "f_cvtf2i")]
1013 (define_insn "fixuns_truncsfsi2"
1014   [(set (match_operand:SI                 0 "s_register_operand" "=t")
1015         (unsigned_fix:SI (fix:SF (match_operand:SF 1 "s_register_operand" "t"))))]
1016   "TARGET_32BIT && TARGET_HARD_FLOAT && TARGET_VFP"
1017   "ftouizs%?\\t%0, %1"
1018   [(set_attr "predicable" "yes")
1019    (set_attr "predicable_short_it" "no")
1020    (set_attr "type" "f_cvtf2i")]
1023 (define_insn "fixuns_truncdfsi2"
1024   [(set (match_operand:SI                 0 "s_register_operand" "=t")
1025         (unsigned_fix:SI (fix:DF (match_operand:DF 1 "s_register_operand" "t"))))]
1026   "TARGET_32BIT && TARGET_HARD_FLOAT && TARGET_VFP_DOUBLE"
1027   "ftouizd%?\\t%0, %P1"
1028   [(set_attr "predicable" "yes")
1029    (set_attr "predicable_short_it" "no")
1030    (set_attr "type" "f_cvtf2i")]
1034 (define_insn "*floatsisf2_vfp"
1035   [(set (match_operand:SF           0 "s_register_operand" "=t")
1036         (float:SF (match_operand:SI 1 "s_register_operand" "t")))]
1037   "TARGET_32BIT && TARGET_HARD_FLOAT && TARGET_VFP"
1038   "fsitos%?\\t%0, %1"
1039   [(set_attr "predicable" "yes")
1040    (set_attr "predicable_short_it" "no")
1041    (set_attr "type" "f_cvti2f")]
1044 (define_insn "*floatsidf2_vfp"
1045   [(set (match_operand:DF           0 "s_register_operand" "=w")
1046         (float:DF (match_operand:SI 1 "s_register_operand" "t")))]
1047   "TARGET_32BIT && TARGET_HARD_FLOAT && TARGET_VFP_DOUBLE"
1048   "fsitod%?\\t%P0, %1"
1049   [(set_attr "predicable" "yes")
1050    (set_attr "predicable_short_it" "no")
1051    (set_attr "type" "f_cvti2f")]
1055 (define_insn "floatunssisf2"
1056   [(set (match_operand:SF           0 "s_register_operand" "=t")
1057         (unsigned_float:SF (match_operand:SI 1 "s_register_operand" "t")))]
1058   "TARGET_32BIT && TARGET_HARD_FLOAT && TARGET_VFP"
1059   "fuitos%?\\t%0, %1"
1060   [(set_attr "predicable" "yes")
1061    (set_attr "predicable_short_it" "no")
1062    (set_attr "type" "f_cvti2f")]
1065 (define_insn "floatunssidf2"
1066   [(set (match_operand:DF           0 "s_register_operand" "=w")
1067         (unsigned_float:DF (match_operand:SI 1 "s_register_operand" "t")))]
1068   "TARGET_32BIT && TARGET_HARD_FLOAT && TARGET_VFP_DOUBLE"
1069   "fuitod%?\\t%P0, %1"
1070   [(set_attr "predicable" "yes")
1071    (set_attr "predicable_short_it" "no")
1072    (set_attr "type" "f_cvti2f")]
1076 ;; Sqrt insns.
1078 ; VFP9 Erratum 760019: It's potentially unsafe to overwrite the input
1079 ; operands, so mark the output as early clobber for VFPv2 on ARMv5 or
1080 ; earlier.
1081 (define_insn "*sqrtsf2_vfp"
1082   [(set (match_operand:SF          0 "s_register_operand" "=&t,t")
1083         (sqrt:SF (match_operand:SF 1 "s_register_operand" "t,t")))]
1084   "TARGET_32BIT && TARGET_HARD_FLOAT && TARGET_VFP"
1085   "fsqrts%?\\t%0, %1"
1086   [(set_attr "predicable" "yes")
1087    (set_attr "predicable_short_it" "no")
1088    (set_attr "arch" "*,armv6_or_vfpv3")
1089    (set_attr "type" "fsqrts")]
1092 (define_insn "*sqrtdf2_vfp"
1093   [(set (match_operand:DF          0 "s_register_operand" "=&w,w")
1094         (sqrt:DF (match_operand:DF 1 "s_register_operand" "w,w")))]
1095   "TARGET_32BIT && TARGET_HARD_FLOAT && TARGET_VFP_DOUBLE"
1096   "fsqrtd%?\\t%P0, %P1"
1097   [(set_attr "predicable" "yes")
1098    (set_attr "predicable_short_it" "no")
1099    (set_attr "arch" "*,armv6_or_vfpv3")
1100    (set_attr "type" "fsqrtd")]
1104 ;; Patterns to split/copy vfp condition flags.
1106 (define_insn "*movcc_vfp"
1107   [(set (reg CC_REGNUM)
1108         (reg VFPCC_REGNUM))]
1109   "TARGET_32BIT && TARGET_HARD_FLOAT && TARGET_VFP"
1110   "fmstat%?"
1111   [(set_attr "conds" "set")
1112    (set_attr "type" "f_flag")]
1115 (define_insn_and_split "*cmpsf_split_vfp"
1116   [(set (reg:CCFP CC_REGNUM)
1117         (compare:CCFP (match_operand:SF 0 "s_register_operand"  "t")
1118                       (match_operand:SF 1 "vfp_compare_operand" "tG")))]
1119   "TARGET_32BIT && TARGET_HARD_FLOAT && TARGET_VFP"
1120   "#"
1121   "TARGET_32BIT && TARGET_HARD_FLOAT && TARGET_VFP"
1122   [(set (reg:CCFP VFPCC_REGNUM)
1123         (compare:CCFP (match_dup 0)
1124                       (match_dup 1)))
1125    (set (reg:CCFP CC_REGNUM)
1126         (reg:CCFP VFPCC_REGNUM))]
1127   ""
1130 (define_insn_and_split "*cmpsf_trap_split_vfp"
1131   [(set (reg:CCFPE CC_REGNUM)
1132         (compare:CCFPE (match_operand:SF 0 "s_register_operand"  "t")
1133                        (match_operand:SF 1 "vfp_compare_operand" "tG")))]
1134   "TARGET_32BIT && TARGET_HARD_FLOAT && TARGET_VFP"
1135   "#"
1136   "TARGET_32BIT && TARGET_HARD_FLOAT && TARGET_VFP"
1137   [(set (reg:CCFPE VFPCC_REGNUM)
1138         (compare:CCFPE (match_dup 0)
1139                        (match_dup 1)))
1140    (set (reg:CCFPE CC_REGNUM)
1141         (reg:CCFPE VFPCC_REGNUM))]
1142   ""
1145 (define_insn_and_split "*cmpdf_split_vfp"
1146   [(set (reg:CCFP CC_REGNUM)
1147         (compare:CCFP (match_operand:DF 0 "s_register_operand"  "w")
1148                       (match_operand:DF 1 "vfp_compare_operand" "wG")))]
1149   "TARGET_32BIT && TARGET_HARD_FLOAT && TARGET_VFP_DOUBLE"
1150   "#"
1151   "TARGET_32BIT && TARGET_HARD_FLOAT && TARGET_VFP_DOUBLE"
1152   [(set (reg:CCFP VFPCC_REGNUM)
1153         (compare:CCFP (match_dup 0)
1154                        (match_dup 1)))
1155    (set (reg:CCFP CC_REGNUM)
1156         (reg:CCFP VFPCC_REGNUM))]
1157   ""
1160 (define_insn_and_split "*cmpdf_trap_split_vfp"
1161   [(set (reg:CCFPE CC_REGNUM)
1162         (compare:CCFPE (match_operand:DF 0 "s_register_operand"  "w")
1163                        (match_operand:DF 1 "vfp_compare_operand" "wG")))]
1164   "TARGET_32BIT && TARGET_HARD_FLOAT && TARGET_VFP_DOUBLE"
1165   "#"
1166   "TARGET_32BIT && TARGET_HARD_FLOAT && TARGET_VFP_DOUBLE"
1167   [(set (reg:CCFPE VFPCC_REGNUM)
1168         (compare:CCFPE (match_dup 0)
1169                        (match_dup 1)))
1170    (set (reg:CCFPE CC_REGNUM)
1171         (reg:CCFPE VFPCC_REGNUM))]
1172   ""
1176 ;; Comparison patterns
1178 (define_insn "*cmpsf_vfp"
1179   [(set (reg:CCFP VFPCC_REGNUM)
1180         (compare:CCFP (match_operand:SF 0 "s_register_operand"  "t,t")
1181                       (match_operand:SF 1 "vfp_compare_operand" "t,G")))]
1182   "TARGET_32BIT && TARGET_HARD_FLOAT && TARGET_VFP"
1183   "@
1184    fcmps%?\\t%0, %1
1185    fcmpzs%?\\t%0"
1186   [(set_attr "predicable" "yes")
1187    (set_attr "predicable_short_it" "no")
1188    (set_attr "type" "fcmps")]
1191 (define_insn "*cmpsf_trap_vfp"
1192   [(set (reg:CCFPE VFPCC_REGNUM)
1193         (compare:CCFPE (match_operand:SF 0 "s_register_operand"  "t,t")
1194                        (match_operand:SF 1 "vfp_compare_operand" "t,G")))]
1195   "TARGET_32BIT && TARGET_HARD_FLOAT && TARGET_VFP"
1196   "@
1197    fcmpes%?\\t%0, %1
1198    fcmpezs%?\\t%0"
1199   [(set_attr "predicable" "yes")
1200    (set_attr "predicable_short_it" "no")
1201    (set_attr "type" "fcmps")]
1204 (define_insn "*cmpdf_vfp"
1205   [(set (reg:CCFP VFPCC_REGNUM)
1206         (compare:CCFP (match_operand:DF 0 "s_register_operand"  "w,w")
1207                       (match_operand:DF 1 "vfp_compare_operand" "w,G")))]
1208   "TARGET_32BIT && TARGET_HARD_FLOAT && TARGET_VFP_DOUBLE"
1209   "@
1210    fcmpd%?\\t%P0, %P1
1211    fcmpzd%?\\t%P0"
1212   [(set_attr "predicable" "yes")
1213    (set_attr "predicable_short_it" "no")
1214    (set_attr "type" "fcmpd")]
1217 (define_insn "*cmpdf_trap_vfp"
1218   [(set (reg:CCFPE VFPCC_REGNUM)
1219         (compare:CCFPE (match_operand:DF 0 "s_register_operand"  "w,w")
1220                        (match_operand:DF 1 "vfp_compare_operand" "w,G")))]
1221   "TARGET_32BIT && TARGET_HARD_FLOAT && TARGET_VFP_DOUBLE"
1222   "@
1223    fcmped%?\\t%P0, %P1
1224    fcmpezd%?\\t%P0"
1225   [(set_attr "predicable" "yes")
1226    (set_attr "predicable_short_it" "no")
1227    (set_attr "type" "fcmpd")]
1230 ;; Fixed point to floating point conversions.
1231 (define_code_iterator FCVT [unsigned_float float])
1232 (define_code_attr FCVTI32typename [(unsigned_float "u32") (float "s32")])
1234 (define_insn "*combine_vcvt_f32_<FCVTI32typename>"
1235   [(set (match_operand:SF 0 "s_register_operand" "=t")
1236         (mult:SF (FCVT:SF (match_operand:SI 1 "s_register_operand" "0"))
1237                  (match_operand 2
1238                         "const_double_vcvt_power_of_two_reciprocal" "Dt")))]
1239   "TARGET_32BIT && TARGET_HARD_FLOAT && TARGET_VFP3 && !flag_rounding_math"
1240   "vcvt%?.f32.<FCVTI32typename>\\t%0, %1, %v2"
1241   [(set_attr "predicable" "yes")
1242    (set_attr "predicable_short_it" "no")
1243    (set_attr "type" "f_cvti2f")]
1246 ;; Not the ideal way of implementing this. Ideally we would be able to split
1247 ;; this into a move to a DP register and then a vcvt.f64.i32
1248 (define_insn "*combine_vcvt_f64_<FCVTI32typename>"
1249   [(set (match_operand:DF 0 "s_register_operand" "=x,x,w")
1250         (mult:DF (FCVT:DF (match_operand:SI 1 "s_register_operand" "r,t,r"))
1251                  (match_operand 2
1252                      "const_double_vcvt_power_of_two_reciprocal" "Dt,Dt,Dt")))]
1253   "TARGET_32BIT && TARGET_HARD_FLOAT && TARGET_VFP3 && !flag_rounding_math
1254   && !TARGET_VFP_SINGLE"
1255   "@
1256   vmov%?.f32\\t%0, %1\;vcvt%?.f64.<FCVTI32typename>\\t%P0, %P0, %v2
1257   vmov%?.f32\\t%0, %1\;vcvt%?.f64.<FCVTI32typename>\\t%P0, %P0, %v2
1258   vmov%?.f64\\t%P0, %1, %1\;vcvt%?.f64.<FCVTI32typename>\\t%P0, %P0, %v2"
1259   [(set_attr "predicable" "yes")
1260    (set_attr "ce_count" "2")
1261    (set_attr "predicable_short_it" "no")
1262    (set_attr "type" "f_cvti2f")
1263    (set_attr "length" "8")]
1266 (define_insn "*combine_vcvtf2i"
1267   [(set (match_operand:SI 0 "s_register_operand" "=r")
1268         (fix:SI (fix:SF (mult:SF (match_operand:SF 1 "s_register_operand" "t")
1269                                  (match_operand 2
1270                                  "const_double_vcvt_power_of_two" "Dp")))))]
1271   "TARGET_32BIT && TARGET_HARD_FLOAT && TARGET_VFP3 && !flag_rounding_math"
1272   "vcvt%?.s32.f32\\t%1, %1, %v2\;vmov%?\\t%0, %1"
1273   [(set_attr "predicable" "yes")
1274    (set_attr "predicable_short_it" "no")
1275    (set_attr "ce_count" "2")
1276    (set_attr "type" "f_cvtf2i")
1277    (set_attr "length" "8")]
1280 ;; Store multiple insn used in function prologue.
1281 (define_insn "*push_multi_vfp"
1282   [(match_parallel 2 "multi_register_push"
1283     [(set (match_operand:BLK 0 "memory_operand" "=m")
1284           (unspec:BLK [(match_operand:DF 1 "vfp_register_operand" "")]
1285                       UNSPEC_PUSH_MULT))])]
1286   "TARGET_32BIT && TARGET_HARD_FLOAT && TARGET_VFP"
1287   "* return vfp_output_fstmd (operands);"
1288   [(set_attr "type" "f_stored")]
1291 ;; VRINT round to integral instructions.
1292 ;; Invoked for the patterns: btruncsf2, btruncdf2, ceilsf2, ceildf2,
1293 ;; roundsf2, rounddf2, floorsf2, floordf2, nearbyintsf2, nearbyintdf2,
1294 ;; rintsf2, rintdf2.
1295 (define_insn "<vrint_pattern><SDF:mode>2"
1296   [(set (match_operand:SDF 0 "register_operand" "=<F_constraint>")
1297         (unspec:SDF [(match_operand:SDF 1
1298                          "register_operand" "<F_constraint>")]
1299          VRINT))]
1300   "TARGET_HARD_FLOAT && TARGET_FPU_ARMV8 <vfp_double_cond>"
1301   "vrint<vrint_variant>%?.<V_if_elem>\\t%<V_reg>0, %<V_reg>1"
1302   [(set_attr "predicable" "<vrint_predicable>")
1303    (set_attr "predicable_short_it" "no")
1304    (set_attr "type" "f_rint<vfp_type>")
1305    (set_attr "conds" "<vrint_conds>")]
1308 ;; MIN_EXPR and MAX_EXPR eventually map to 'smin' and 'smax' in RTL.
1309 ;; The 'smax' and 'smin' RTL standard pattern names do not specify which
1310 ;; operand will be returned when both operands are zero (i.e. they may not
1311 ;; honour signed zeroes), or when either operand is NaN.  Therefore GCC
1312 ;; only introduces MIN_EXPR/MAX_EXPR in fast math mode or when not honouring
1313 ;; NaNs.
1315 (define_insn "smax<mode>3"
1316   [(set (match_operand:SDF 0 "register_operand" "=<F_constraint>")
1317         (smax:SDF (match_operand:SDF 1 "register_operand" "<F_constraint>")
1318                   (match_operand:SDF 2 "register_operand" "<F_constraint>")))]
1319   "TARGET_HARD_FLOAT && TARGET_FPU_ARMV8 <vfp_double_cond>"
1320   "vmaxnm.<V_if_elem>\\t%<V_reg>0, %<V_reg>1, %<V_reg>2"
1321   [(set_attr "type" "f_minmax<vfp_type>")
1322    (set_attr "conds" "unconditional")]
1325 (define_insn "smin<mode>3"
1326   [(set (match_operand:SDF 0 "register_operand" "=<F_constraint>")
1327         (smin:SDF (match_operand:SDF 1 "register_operand" "<F_constraint>")
1328                   (match_operand:SDF 2 "register_operand" "<F_constraint>")))]
1329   "TARGET_HARD_FLOAT && TARGET_FPU_ARMV8 <vfp_double_cond>"
1330   "vminnm.<V_if_elem>\\t%<V_reg>0, %<V_reg>1, %<V_reg>2"
1331   [(set_attr "type" "f_minmax<vfp_type>")
1332    (set_attr "conds" "unconditional")]
1335 ;; Write Floating-point Status and Control Register.
1336 (define_insn "set_fpscr"
1337   [(unspec_volatile [(match_operand:SI 0 "register_operand" "r")] VUNSPEC_SET_FPSCR)]
1338   "TARGET_VFP && TARGET_HARD_FLOAT"
1339   "mcr\\tp10, 7, %0, cr1, cr0, 0\\t @SET_FPSCR"
1340   [(set_attr "type" "mrs")])
1342 ;; Read Floating-point Status and Control Register.
1343 (define_insn "get_fpscr"
1344   [(set (match_operand:SI 0 "register_operand" "=r")
1345         (unspec_volatile:SI [(const_int 0)] VUNSPEC_GET_FPSCR))]
1346   "TARGET_VFP && TARGET_HARD_FLOAT"
1347   "mrc\\tp10, 7, %0, cr1, cr0, 0\\t @GET_FPSCR"
1348   [(set_attr "type" "mrs")])
1351 ;; Unimplemented insns:
1352 ;; fldm*
1353 ;; fstm*
1354 ;; fmdhr et al (VFPv1)
1355 ;; Support for xD (single precision only) variants.
1356 ;; fmrrs, fmsrr