From 952f9aabc4659bd2a075ad5f3b3cb5030b793ff4 Mon Sep 17 00:00:00 2001 From: jakub Date: Thu, 10 Feb 2011 11:15:23 +0000 Subject: [PATCH] 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. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@170000 138bc75d-0d04-0410-961f-82ee72b054a4 --- gcc/ChangeLog | 6 ++++++ gcc/combine.c | 3 ++- gcc/testsuite/ChangeLog | 5 +++++ gcc/testsuite/gcc.target/i386/pr47665.c | 11 +++++++++++ 4 files changed, 24 insertions(+), 1 deletion(-) create mode 100644 gcc/testsuite/gcc.target/i386/pr47665.c diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 85e5f09..f041a02 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2011-02-10 Jakub Jelinek + + PR target/47665 + * combine.c (make_compound_operation): Only change shifts into + multiplication for SCALAR_INT_MODE_P. + 2011-02-10 Jie Zhang PR testsuite/47622 diff --git a/gcc/combine.c b/gcc/combine.c index 07ff0d4..f9d33b3 100644 --- a/gcc/combine.c +++ b/gcc/combine.c @@ -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; diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index a3780dd..6a38531 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2011-02-10 Jakub Jelinek + + PR target/47665 + * gcc.target/i386/pr47665.c: New test. + 2011-02-10 Jie Zhang PR testsuite/47622 diff --git a/gcc/testsuite/gcc.target/i386/pr47665.c b/gcc/testsuite/gcc.target/i386/pr47665.c new file mode 100644 index 0000000..10fabb5 --- /dev/null +++ b/gcc/testsuite/gcc.target/i386/pr47665.c @@ -0,0 +1,11 @@ +/* PR target/47665 */ +/* { dg-do compile } */ +/* { dg-options "-O2 -msse2" } */ + +#include + +__m128d +foo (double *x, __m128i y) +{ + return _mm_load_pd (x + _mm_cvtsi128_si32 (_mm_srli_si128 (_mm_slli_epi32 (y, 2), 0))); +} -- 2.7.4