From eef909625744e3552e10e958349f105175281a50 Mon Sep 17 00:00:00 2001 From: Jakub Jelinek Date: Tue, 11 Oct 2005 10:42:25 +0200 Subject: [PATCH] i386.md (movsi_1, [...]): Use mmxadd type for setting MMX register to 0 rather than mmx. * config/i386/i386.md (movsi_1, movdi_1_rex64): Use mmxadd type for setting MMX register to 0 rather than mmx. * g++.dg/opt/mmx2.C: New test. From-SVN: r105230 --- gcc/ChangeLog | 5 +++++ gcc/config/i386/i386.md | 4 ++-- gcc/testsuite/ChangeLog | 4 ++++ gcc/testsuite/g++.dg/opt/mmx2.C | 23 +++++++++++++++++++++++ 4 files changed, 34 insertions(+), 2 deletions(-) create mode 100644 gcc/testsuite/g++.dg/opt/mmx2.C diff --git a/gcc/ChangeLog b/gcc/ChangeLog index d1880fcdf96..6b1f9c57d59 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2005-10-11 Jakub Jelinek + + * config/i386/i386.md (movsi_1, movdi_1_rex64): Use mmxadd type + for setting MMX register to 0 rather than mmx. + 2005-10-10 Steve Ellcey PR target/12098 diff --git a/gcc/config/i386/i386.md b/gcc/config/i386/i386.md index f8059adb7ea..849920e66d4 100644 --- a/gcc/config/i386/i386.md +++ b/gcc/config/i386/i386.md @@ -1193,7 +1193,7 @@ } [(set (attr "type") (cond [(eq_attr "alternative" "2") - (const_string "mmx") + (const_string "mmxadd") (eq_attr "alternative" "3,4,5") (const_string "mmxmov") (eq_attr "alternative" "6") @@ -2007,7 +2007,7 @@ } [(set (attr "type") (cond [(eq_attr "alternative" "5") - (const_string "mmx") + (const_string "mmxadd") (eq_attr "alternative" "6,7,8") (const_string "mmxmov") (eq_attr "alternative" "9") diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index dd19af6bf64..8ebe56ea235 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,7 @@ +2005-10-11 Jakub Jelinek + + * g++.dg/opt/mmx2.C: New test. + 2005-10-10 Mark Mitchell PR c++/24277 diff --git a/gcc/testsuite/g++.dg/opt/mmx2.C b/gcc/testsuite/g++.dg/opt/mmx2.C new file mode 100644 index 00000000000..21dcdda7fc8 --- /dev/null +++ b/gcc/testsuite/g++.dg/opt/mmx2.C @@ -0,0 +1,23 @@ +// { dg-do link { target i?86-*-* x86_64-*-* } } +// { dg-options "-O2 -mmmx" } + +#include + +static union u { __m64 m; long long l; } u; +extern "C" void abort (void); + +__attribute__((noinline)) +void bar (__m64 x) +{ + u.m = x; +} + +int +main () +{ + bar (_mm_set_pi32 (0x000000FF,0xFFFF00FF)); + _mm_empty (); + if (u.l != 0xffffff00ffLL) + abort (); + return 0; +} -- 2.30.2