diff options
Diffstat (limited to 'meta/recipes-devtools/gcc/gcc-4.6.0/gcc-4_6-branch-backports/0164-PR-target-48708.patch')
| -rw-r--r-- | meta/recipes-devtools/gcc/gcc-4.6.0/gcc-4_6-branch-backports/0164-PR-target-48708.patch | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/meta/recipes-devtools/gcc/gcc-4.6.0/gcc-4_6-branch-backports/0164-PR-target-48708.patch b/meta/recipes-devtools/gcc/gcc-4.6.0/gcc-4_6-branch-backports/0164-PR-target-48708.patch new file mode 100644 index 000000000..4fca02301 --- /dev/null +++ b/meta/recipes-devtools/gcc/gcc-4.6.0/gcc-4_6-branch-backports/0164-PR-target-48708.patch @@ -0,0 +1,63 @@ +From ad24dcb7c07f1f9d41cb6782ea14c6c1727c4cb0 Mon Sep 17 00:00:00 2001 +From: uros <uros@138bc75d-0d04-0410-961f-82ee72b054a4> +Date: Thu, 21 Apr 2011 20:23:55 +0000 +Subject: [PATCH 164/200] PR target/48708 + * config/i386/i386.c (ix86_expand_vector_set) <V2DImode>: Generate + vec_extract and vec_concat for non-SSE4_1 targets. + +testsuite/ChangeLog: + + PR target/48708 + * gcc.target/i386/pr48708.c: New test. + + + +git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_6-branch@172843 138bc75d-0d04-0410-961f-82ee72b054a4 + +index a524d77..6e4bb3b 100644 +--- a/gcc/config/i386/i386.c ++++ b/gcc/config/i386/i386.c +@@ -31213,10 +31213,19 @@ ix86_expand_vector_set (bool mmx_ok, rtx target, rtx val, int elt) + break; + + case V2DImode: +- use_vec_merge = TARGET_SSE4_1; ++ use_vec_merge = TARGET_SSE4_1 && TARGET_64BIT; + if (use_vec_merge) + break; + ++ tmp = gen_reg_rtx (GET_MODE_INNER (mode)); ++ ix86_expand_vector_extract (false, tmp, target, 1 - elt); ++ if (elt == 0) ++ tmp = gen_rtx_VEC_CONCAT (mode, tmp, val); ++ else ++ tmp = gen_rtx_VEC_CONCAT (mode, val, tmp); ++ emit_insn (gen_rtx_SET (VOIDmode, target, tmp)); ++ return; ++ + case V2DFmode: + { + rtx op0, op1; +new file mode 100644 +index 0000000..355c2b2 +--- /dev/null ++++ b/gcc/testsuite/gcc.target/i386/pr48708.c +@@ -0,0 +1,15 @@ ++/* { dg-do compile } */ ++/* { dg-options "-O2 -msse2" } */ ++ ++#include <emmintrin.h> ++ ++typedef long long T __attribute__((may_alias)); ++struct S { __m128i d; }; ++ ++__m128i ++foo (long long *x, struct S *y, __m128i *z) ++{ ++ struct S s = *y; ++ ((T *) &s.d)[0] = *x; ++ return _mm_cmpeq_epi16 (s.d, *z); ++} +-- +1.7.0.4 + |