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re PR target/47665 (ICE in trunc_int_for_mode)

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PR target/47665
	* combine.c (make_compound_operation): Only change shifts into
	multiplication for SCALAR_INT_MODE_P.

	* gcc.target/i386/pr47665.c: New test.

From-SVN: r170000
This commit is contained in:
Jakub Jelinek 2011-02-10 12:15:23 +01:00 • committed by Jakub Jelinek
parent 8ead22235d
commit 525a2d06d3
4 changed files with 24 additions and 1 deletions
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6
gcc/ChangeLog
View file

@ -1,3 +1,9 @@
2011-02-10 Jakub Jelinek <jakub@redhat.com>
PR target/47665
* combine.c (make_compound_operation): Only change shifts into
multiplication for SCALAR_INT_MODE_P.
2011-02-10 Jie Zhang <jie@codesourcery.com>
PR testsuite/47622

3
gcc/combine.c
View file

@ -7485,7 +7485,8 @@ make_compound_operation (rtx x, enum rtx_code in_code)
an address. */
if (in_code == MEM && CONST_INT_P (XEXP (x, 1))
&& INTVAL (XEXP (x, 1)) < HOST_BITS_PER_WIDE_INT
&& INTVAL (XEXP (x, 1)) >= 0)
&& INTVAL (XEXP (x, 1)) >= 0
&& SCALAR_INT_MODE_P (mode))
{
HOST_WIDE_INT count = INTVAL (XEXP (x, 1));
HOST_WIDE_INT multval = (HOST_WIDE_INT) 1 << count;

5
gcc/testsuite/ChangeLog
View file

@ -1,3 +1,8 @@
2011-02-10 Jakub Jelinek <jakub@redhat.com>
PR target/47665
* gcc.target/i386/pr47665.c: New test.
2011-02-10 Jie Zhang <jie@codesourcery.com>
PR testsuite/47622

11
gcc/testsuite/gcc.target/i386/pr47665.c Normal file
View file

@ -0,0 +1,11 @@
/* PR target/47665 */
/* { dg-do compile } */
/* { dg-options "-O2 -msse2" } */
#include <emmintrin.h>
__m128d
foo (double *x, __m128i y)
{
return _mm_load_pd (x + _mm_cvtsi128_si32 (_mm_srli_si128 (_mm_slli_epi32 (y, 2), 0)));
}