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re PR target/78227 (ICE: unrecognizable insn: in extract_insn, at recog.c:2311 with -mavx512bw and vector comare)

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PR target/78227
	* config/i386/i386.c (ix86_expand_sse_cmp): Force dest into
	cmp_mode argument even for -O0 if cmp_mode != mode and maskcmp.

	* gcc.target/i386/pr78227-1.c: New test.
	* gcc.target/i386/pr78227-2.c: New test.

From-SVN: r241916
This commit is contained in:
Jakub Jelinek 2016-11-07 18:33:27 +01:00 committed by Jakub Jelinek
parent 7aa13860fb
commit 60cee85e0a
5 changed files with 73 additions and 0 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
2016-11-07 Jakub Jelinek <jakub@redhat.com>
PR target/78227
* config/i386/i386.c (ix86_expand_sse_cmp): Force dest into
cmp_mode argument even for -O0 if cmp_mode != mode and maskcmp.
2016-11-07 Prathamesh Kulkarni <prathamesh.kulkarni@linaro.org>
PR middle-end/35691

1
gcc/config/i386/i386.c
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@ -23561,6 +23561,7 @@ ix86_expand_sse_cmp (rtx dest, enum rtx_code code, rtx cmp_op0, rtx cmp_op1,
cmp_op1 = force_reg (cmp_ops_mode, cmp_op1);
if (optimize
|| (maskcmp && cmp_mode != mode)
|| (op_true && reg_overlap_mentioned_p (dest, op_true))
|| (op_false && reg_overlap_mentioned_p (dest, op_false)))
dest = gen_reg_rtx (maskcmp ? cmp_mode : mode);

6
gcc/testsuite/ChangeLog
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@ -1,3 +1,9 @@
2016-11-07 Jakub Jelinek <jakub@redhat.com>
PR target/78227
* gcc.target/i386/pr78227-1.c: New test.
* gcc.target/i386/pr78227-2.c: New test.
2016-11-07 Prathamesh Kulkarni <prathamesh.kulkarni@linaro.org>
PR middle-end/35691

30
gcc/testsuite/gcc.target/i386/pr78227-1.c Normal file
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@ -0,0 +1,30 @@
/* PR target/78227 */
/* { dg-do compile } */
/* { dg-options "-mavx512f -O0 -Wno-psabi" } */
typedef int V __attribute__((vector_size (64)));
typedef long long int W __attribute__((vector_size (64)));
V
foo1 (V v)
{
return v > 0;
}
V
bar1 (V v)
{
return v != 0;
}
W
foo2 (W w)
{
return w > 0;
}
W
bar2 (W w)
{
return w != 0;
}

30
gcc/testsuite/gcc.target/i386/pr78227-2.c Normal file
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@ -0,0 +1,30 @@
/* PR target/78227 */
/* { dg-do compile } */
/* { dg-options "-mavx512bw -O0 -Wno-psabi" } */
typedef signed char V __attribute__((vector_size (64)));
typedef short int W __attribute__((vector_size (64)));
V
foo1 (V v)
{
return v > 0;
}
V
bar1 (V v)
{
return v != 0;
}
W
foo2 (W w)
{
return w > 0;
}
W
bar2 (W w)
{
return w != 0;
}