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-rw-r--r--gcc/config/i386/i386-builtin.def2
-rw-r--r--gcc/config/i386/i386.cc8
-rw-r--r--gcc/testsuite/gcc.target/i386/sse4_1-blendvpd-1.c11
3 files changed, 19 insertions, 2 deletions
diff --git a/gcc/config/i386/i386-builtin.def b/gcc/config/i386/i386-builtin.def
index ea32755..b410102 100644
--- a/gcc/config/i386/i386-builtin.def
+++ b/gcc/config/i386/i386-builtin.def
@@ -906,7 +906,7 @@ BDESC (OPTION_MASK_ISA_SSSE3 | OPTION_MASK_ISA_MMX, 0, CODE_FOR_ssse3_palignrdi,
/* SSE4.1 */
BDESC (OPTION_MASK_ISA_SSE4_1, 0, CODE_FOR_sse4_1_blendpd, "__builtin_ia32_blendpd", IX86_BUILTIN_BLENDPD, UNKNOWN, (int) V2DF_FTYPE_V2DF_V2DF_INT)
BDESC (OPTION_MASK_ISA_SSE4_1, 0, CODE_FOR_sse4_1_blendps, "__builtin_ia32_blendps", IX86_BUILTIN_BLENDPS, UNKNOWN, (int) V4SF_FTYPE_V4SF_V4SF_INT)
-BDESC (OPTION_MASK_ISA_SSE4_1, 0, CODE_FOR_nothing, "__builtin_ia32_blendvpd", IX86_BUILTIN_BLENDVPD, UNKNOWN, (int) V2DF_FTYPE_V2DF_V2DF_V2DF)
+BDESC (OPTION_MASK_ISA_SSE4_1, 0, CODE_FOR_sse4_1_blendvpd, "__builtin_ia32_blendvpd", IX86_BUILTIN_BLENDVPD, UNKNOWN, (int) V2DF_FTYPE_V2DF_V2DF_V2DF)
BDESC (OPTION_MASK_ISA_SSE4_1, 0, CODE_FOR_nothing, "__builtin_ia32_blendvps", IX86_BUILTIN_BLENDVPS, UNKNOWN, (int) V4SF_FTYPE_V4SF_V4SF_V4SF)
BDESC (OPTION_MASK_ISA_SSE4_1, 0, CODE_FOR_sse4_1_dppd, "__builtin_ia32_dppd", IX86_BUILTIN_DPPD, UNKNOWN, (int) V2DF_FTYPE_V2DF_V2DF_INT)
BDESC (OPTION_MASK_ISA_SSE4_1, 0, CODE_FOR_sse4_1_dpps, "__builtin_ia32_dpps", IX86_BUILTIN_DPPS, UNKNOWN, (int) V4SF_FTYPE_V4SF_V4SF_INT)
diff --git a/gcc/config/i386/i386.cc b/gcc/config/i386/i386.cc
index d77ad83..5a56196 100644
--- a/gcc/config/i386/i386.cc
+++ b/gcc/config/i386/i386.cc
@@ -18368,10 +18368,16 @@ ix86_gimple_fold_builtin (gimple_stmt_iterator *gsi)
}
break;
+ case IX86_BUILTIN_BLENDVPD:
+ /* blendvpd is under sse4.1 but pcmpgtq is under sse4.2,
+ w/o sse4.2, it's veclowered to scalar operations and
+ not combined back. */
+ if (!TARGET_SSE4_2)
+ break;
+ /* FALLTHRU. */
case IX86_BUILTIN_PBLENDVB128:
case IX86_BUILTIN_PBLENDVB256:
case IX86_BUILTIN_BLENDVPS:
- case IX86_BUILTIN_BLENDVPD:
case IX86_BUILTIN_BLENDVPS256:
case IX86_BUILTIN_BLENDVPD256:
gcc_assert (n_args == 3);
diff --git a/gcc/testsuite/gcc.target/i386/sse4_1-blendvpd-1.c b/gcc/testsuite/gcc.target/i386/sse4_1-blendvpd-1.c
new file mode 100644
index 0000000..c25d3fb
--- /dev/null
+++ b/gcc/testsuite/gcc.target/i386/sse4_1-blendvpd-1.c
@@ -0,0 +1,11 @@
+/* { dg-do compile } */
+/* { dg-options "-msse4.1 -O2 -mno-sse4.2" } */
+/* { dg-final { scan-assembler-times {(?n)blendvpd[ \t]+%xmm[0-9]+} 1 } } */
+
+#include <immintrin.h>
+
+__m128d
+foo (__m128d a, __m128d b, __m128d c)
+{
+ return _mm_blendv_pd (a, b, c);
+}