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re PR target/81375 (unrecognizable insn)

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PR target/81375
	* config/i386/i386.md (divsf3): Add TARGET_SSE to TARGET_SSE_MATH.
	(rcpps): Ditto.
	(*rsqrtsf2_sse): Ditto.
	(rsqrtsf2): Ditto.
	(div<mode>3): Macroize insn from divdf3 and divsf3
	using MODEF mode iterator.

testsuite/ChangeLog:

	PR target/81375
	* gcc.target/i386/pr81375.c: New test.

From-SVN: r250107
This commit is contained in:
Uros Bizjak 2017-07-11 00:01:06 +02:00 committed by Uros Bizjak
parent 9c582dbb57
commit 03ed2915c2
4 changed files with 36 additions and 24 deletions
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10
gcc/ChangeLog
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@ -1,3 +1,13 @@
2017-07-10 Uros Bizjak <ubizjak@gmail.com>
PR target/81375
* config/i386/i386.md (divsf3): Add TARGET_SSE to TARGET_SSE_MATH.
(rcpps): Ditto.
(*rsqrtsf2_sse): Ditto.
(rsqrtsf2): Ditto.
(div<mode>3): Macroize insn from divdf3 and divsf3
using MODEF mode iterator.
2017-07-10 Martin Sebor <msebor@redhat.com>
PR tree-optimization/80397

32
gcc/config/i386/i386.md
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@ -5504,7 +5504,7 @@
(define_expand "floatunsdisf2"
[(use (match_operand:SF 0 "register_operand"))
(use (match_operand:DI 1 "nonimmediate_operand"))]
"TARGET_64BIT && TARGET_SSE_MATH"
"TARGET_64BIT && TARGET_SSE && TARGET_SSE_MATH"
"x86_emit_floatuns (operands); DONE;")
(define_expand "floatunsdidf2"
@ -7545,21 +7545,15 @@
(match_operand:XF 2 "register_operand")))]
"TARGET_80387")
(define_expand "divdf3"
[(set (match_operand:DF 0 "register_operand")
(div:DF (match_operand:DF 1 "register_operand")
(match_operand:DF 2 "nonimmediate_operand")))]
"(TARGET_80387 && X87_ENABLE_ARITH (DFmode))
|| (TARGET_SSE2 && TARGET_SSE_MATH)")
(define_expand "divsf3"
[(set (match_operand:SF 0 "register_operand")
(div:SF (match_operand:SF 1 "register_operand")
(match_operand:SF 2 "nonimmediate_operand")))]
"(TARGET_80387 && X87_ENABLE_ARITH (SFmode))
|| TARGET_SSE_MATH"
(define_expand "div<mode>3"
[(set (match_operand:MODEF 0 "register_operand")
(div:MODEF (match_operand:MODEF 1 "register_operand")
(match_operand:MODEF 2 "nonimmediate_operand")))]
"(TARGET_80387 && X87_ENABLE_ARITH (<MODE>mode))
|| (SSE_FLOAT_MODE_P (<MODE>mode) && TARGET_SSE_MATH)"
{
if (TARGET_SSE_MATH
if (<MODE>mode == SFmode
&& TARGET_SSE && TARGET_SSE_MATH
&& TARGET_RECIP_DIV
&& optimize_insn_for_speed_p ()
&& flag_finite_math_only && !flag_trapping_math
@ -14050,7 +14044,7 @@
[(set (match_operand:SF 0 "register_operand" "=x")
(unspec:SF [(match_operand:SF 1 "nonimmediate_operand" "xm")]
UNSPEC_RCP))]
"TARGET_SSE_MATH"
"TARGET_SSE && TARGET_SSE_MATH"
"%vrcpss\t{%1, %d0|%d0, %1}"
[(set_attr "type" "sse")
(set_attr "atom_sse_attr" "rcp")
@ -14352,7 +14346,7 @@
[(set (match_operand:SF 0 "register_operand" "=x")
(unspec:SF [(match_operand:SF 1 "nonimmediate_operand" "xm")]
UNSPEC_RSQRT))]
"TARGET_SSE_MATH"
"TARGET_SSE && TARGET_SSE_MATH"
"%vrsqrtss\t{%1, %d0|%d0, %1}"
[(set_attr "type" "sse")
(set_attr "atom_sse_attr" "rcp")
@ -14364,7 +14358,7 @@
[(set (match_operand:SF 0 "register_operand")
(unspec:SF [(match_operand:SF 1 "nonimmediate_operand")]
UNSPEC_RSQRT))]
"TARGET_SSE_MATH"
"TARGET_SSE && TARGET_SSE_MATH"
{
ix86_emit_swsqrtsf (operands[0], operands[1], SFmode, 1);
DONE;
@ -14393,7 +14387,7 @@
|| (SSE_FLOAT_MODE_P (<MODE>mode) && TARGET_SSE_MATH)"
{
if (<MODE>mode == SFmode
&& TARGET_SSE_MATH
&& TARGET_SSE && TARGET_SSE_MATH
&& TARGET_RECIP_SQRT
&& !optimize_function_for_size_p (cfun)
&& flag_finite_math_only && !flag_trapping_math

10
gcc/testsuite/ChangeLog
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@ -1,12 +1,12 @@
2017-07-10 Uros Bizjak <ubizjak@gmail.com>
PR target/81375
* gcc.target/i386/pr81375.c: New test.
2017-07-10 Martin Sebor <msebor@redhat.com>
PR tree-optimization/80397
* gcc.dg/tree-ssa/builtin-sprintf-warn-17.c: New test.
diff --git a/gcc/gimple-ssa-sprintf.c b/gcc/gimple-ssa-sprintf.c
index 2e62086..d63d5be 100644
--- a/gcc/gimple-ssa-sprintf.c
+++ b/gcc/gimple-ssa-sprintf.c
@@ -1249,7 +1249,7 @@ format_integer (const directive &dir, tree arg)
2017-07-10 Martin Sebor <msebor@redhat.com>

8
gcc/testsuite/gcc.target/i386/pr81375.c Normal file
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@ -0,0 +1,8 @@
/* PR target/81375 */
/* { dg-do compile { target ia32 } } */
/* { dg-options "-mno-80387 -mno-sse -mfpmath=sse" } */
float foo (float a, float b)
{
return a / b;
}