diff options
Diffstat (limited to 'meta/recipes-devtools/gcc/gcc-4.6.0/gcc-4_6-branch-backports/0317-PR-target-49133.patch')
| -rw-r--r-- | meta/recipes-devtools/gcc/gcc-4.6.0/gcc-4_6-branch-backports/0317-PR-target-49133.patch | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/meta/recipes-devtools/gcc/gcc-4.6.0/gcc-4_6-branch-backports/0317-PR-target-49133.patch b/meta/recipes-devtools/gcc/gcc-4.6.0/gcc-4_6-branch-backports/0317-PR-target-49133.patch new file mode 100644 index 0000000000..0d77b77881 --- /dev/null +++ b/meta/recipes-devtools/gcc/gcc-4.6.0/gcc-4_6-branch-backports/0317-PR-target-49133.patch @@ -0,0 +1,93 @@ +From 9aeec4c33a6e405da2d97c3c45efe2165b44cf97 Mon Sep 17 00:00:00 2001 +From: uros <uros@138bc75d-0d04-0410-961f-82ee72b054a4> +Date: Tue, 24 May 2011 18:41:31 +0000 +Subject: [PATCH] PR target/49133 + * config/i386/sse.md (sse2_loadhpd): Remove shufpd alternative. + +testsuite/ChangeLog: + + PR target/49133 + * g++.dg/other/pr49133.C: New test. + + + +git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_6-branch@174131 138bc75d-0d04-0410-961f-82ee72b054a4 + +index c9866f0..7e18678 100644 +--- a/gcc/config/i386/sse.md ++++ b/gcc/config/i386/sse.md +@@ -4950,24 +4950,22 @@ + ;; Avoid combining registers from different units in a single alternative, + ;; see comment above inline_secondary_memory_needed function in i386.c + (define_insn "sse2_loadhpd" +- [(set (match_operand:V2DF 0 "nonimmediate_operand" "=x,x,x,o,o,o") ++ [(set (match_operand:V2DF 0 "nonimmediate_operand" "=x,x,o,o,o") + (vec_concat:V2DF + (vec_select:DF +- (match_operand:V2DF 1 "nonimmediate_operand" " 0,0,x,0,0,0") ++ (match_operand:V2DF 1 "nonimmediate_operand" " 0,0,0,0,0") + (parallel [(const_int 0)])) +- (match_operand:DF 2 "nonimmediate_operand" " m,x,0,x,*f,r")))] ++ (match_operand:DF 2 "nonimmediate_operand" " m,x,x,*f,r")))] + "TARGET_SSE2 && !(MEM_P (operands[1]) && MEM_P (operands[2]))" + "@ + movhpd\t{%2, %0|%0, %2} + unpcklpd\t{%2, %0|%0, %2} +- shufpd\t{$1, %1, %0|%0, %1, 1} + # + # + #" +- [(set_attr "type" "ssemov,sselog,sselog,ssemov,fmov,imov") +- (set_attr "prefix_data16" "1,*,*,*,*,*") +- (set_attr "length_immediate" "*,*,1,*,*,*") +- (set_attr "mode" "V1DF,V2DF,V2DF,DF,DF,DF")]) ++ [(set_attr "type" "ssemov,sselog,ssemov,fmov,imov") ++ (set_attr "prefix_data16" "1,*,*,*,*") ++ (set_attr "mode" "V1DF,V2DF,DF,DF,DF")]) + + (define_split + [(set (match_operand:V2DF 0 "memory_operand" "") +new file mode 100644 +index 0000000..a59687f +--- /dev/null ++++ b/gcc/testsuite/g++.dg/other/pr49133.C +@@ -0,0 +1,36 @@ ++/* { dg-do run { target i?86-*-* x86_64-*-* } } */ ++/* { dg-options "-O2 -msse2" } */ ++/* { dg-require-effective-target sse2_runtime } */ ++ ++#include <xmmintrin.h> ++ ++extern "C" void abort (); ++ ++typedef double double_a __attribute__((__may_alias__)); ++ ++struct V ++{ ++ __m128d data; ++}; ++ ++int ++main() ++{ ++ V a; ++ __m128d b; ++ ++ b = _mm_set_pd (1., 0.); ++ a.data = _mm_set_pd (1., 0.); ++ a.data = _mm_add_pd (a.data, ++ _mm_and_pd (_mm_cmpeq_pd (a.data, _mm_set1_pd (0.)), ++ _mm_set1_pd (2.))); ++ reinterpret_cast<double_a *>(&a.data)[1] += 1.; ++ b = _mm_add_pd (b, _mm_and_pd (_mm_cmpeq_pd (b, _mm_set1_pd (0.)), ++ _mm_set1_pd (1.))); ++ b = _mm_add_pd (b, _mm_and_pd (_mm_cmpeq_pd (b, _mm_set1_pd (1.)), ++ _mm_set1_pd (1.))); ++ if (_mm_movemask_pd (_mm_cmpeq_pd (a.data, b)) != 0x3) ++ abort(); ++ ++ return 0; ++} +-- +1.7.0.4 + |