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* config/i386/i386.md (*truncdfsf_mixed, *truncdfsf_i387,

Browse Source 
*truncxfsf2_mixed, *truncxfdf2_mixed): Use v constraint instead
	of x.

	* gcc.target/i386/avx512f-cvt-1.c: New test.

From-SVN: r235819
This commit is contained in:
Jakub Jelinek 2016-05-03 14:18:57 +02:00 committed by Jakub Jelinek
parent e5705cf736
commit 2fd70ec11c
4 changed files with 53 additions and 5 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
2016-05-03 Jakub Jelinek <jakub@redhat.com>
* config/i386/i386.md (*truncdfsf_mixed, *truncdfsf_i387,
*truncxfsf2_mixed, *truncxfdf2_mixed): Use v constraint instead
of x.
2016-05-03 Richard Biener <rguenther@suse.de>
* gimplify.h (get_initialized_tmp_var): Add allow_ssa parameter

10
gcc/config/i386/i386.md
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@ -4487,9 +4487,9 @@
(set_attr "mode" "SF")])
(define_insn "*truncdfsf_mixed"
[(set (match_operand:SF 0 "nonimmediate_operand" "=m,x ,?f,?x,?*r")
[(set (match_operand:SF 0 "nonimmediate_operand" "=m,v ,?f,?v,?*r")
(float_truncate:SF
(match_operand:DF 1 "nonimmediate_operand" "f ,xm,f ,f ,f")))
(match_operand:DF 1 "nonimmediate_operand" "f ,vm,f ,f ,f")))
(clobber (match_operand:SF 2 "memory_operand" "=X,X ,m ,m ,m"))]
"TARGET_MIX_SSE_I387"
{
@ -4511,7 +4511,7 @@
(set_attr "mode" "SF")])
(define_insn "*truncdfsf_i387"
[(set (match_operand:SF 0 "nonimmediate_operand" "=m,?f,?x,?*r")
[(set (match_operand:SF 0 "nonimmediate_operand" "=m,?f,?v,?*r")
(float_truncate:SF
(match_operand:DF 1 "nonimmediate_operand" "f ,f ,f ,f")))
(clobber (match_operand:SF 2 "memory_operand" "=X,m ,m ,m"))]
@ -4573,7 +4573,7 @@
})
(define_insn "*truncxfsf2_mixed"
[(set (match_operand:SF 0 "nonimmediate_operand" "=m,?f,?x,?*r")
[(set (match_operand:SF 0 "nonimmediate_operand" "=m,?f,?v,?*r")
(float_truncate:SF
(match_operand:XF 1 "register_operand" "f ,f ,f ,f")))
(clobber (match_operand:SF 2 "memory_operand" "=X,m ,m ,m"))]
@ -4587,7 +4587,7 @@
(set_attr "mode" "SF")])
(define_insn "*truncxfdf2_mixed"
[(set (match_operand:DF 0 "nonimmediate_operand" "=m,?f,?x,?*r")
[(set (match_operand:DF 0 "nonimmediate_operand" "=m,?f,?v,?*r")
(float_truncate:DF
(match_operand:XF 1 "register_operand" "f ,f ,f ,f")))
(clobber (match_operand:DF 2 "memory_operand" "=X,m ,m ,m"))]

4
gcc/testsuite/ChangeLog
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@ -1,3 +1,7 @@
2016-05-03 Jakub Jelinek <jakub@redhat.com>
* gcc.target/i386/avx512f-cvt-1.c: New test.
2016-05-03 H.J. Lu <hongjiu.lu@intel.com>
* gcc.dg/tree-ssa/ssa-thread-14.c: Replace -fdump-tree-vrp with

38
gcc/testsuite/gcc.target/i386/avx512f-cvt-1.c Normal file
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@ -0,0 +1,38 @@
/* { dg-do assemble { target { avx512f && { ! ia32 } } } } */
/* { dg-options "-O2 -mavx512f -mfpmath=387,sse" } */
void
f1 (double *p)
{
register float x __asm ("xmm16");
x = *p;
__asm volatile ("" : "+v" (x));
}
void
f2 (void)
{
double d;
register float x __asm ("xmm16");
__asm volatile ("" : "=t" (d));
x = d;
__asm volatile ("" : "+v" (x));
}
void
f3 (long double *p)
{
register float x __asm ("xmm16");
x = *p;
__asm volatile ("" : "+v" (x));
}
void
f4 (void)
{
long double d;
register float x __asm ("xmm16");
__asm volatile ("" : "=t" (d));
x = d;
__asm volatile ("" : "+v" (x));
}