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authorCraig Topper <craig.topper@gmail.com>2012-01-13 06:59:47 +0000
committerCraig Topper <craig.topper@gmail.com>2012-01-13 06:59:47 +0000
commitc30432ab573a3755ccd15dfeb03d64e6c0b90ccb (patch)
tree7efe6574258f3f4dc5cc20baa5a6555321da2116 /lib
parent96f678f2d78ae9a2a8c99ca612bf59c056b36797 (diff)
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Add patterns for v16i16 and v32i8 immAllZerosV to select VPXOR to match v4i64 and v8i32.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148106 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib')
-rw-r--r--lib/Target/X86/X86InstrSSE.td8
1 files changed, 8 insertions, 0 deletions
diff --git a/lib/Target/X86/X86InstrSSE.td b/lib/Target/X86/X86InstrSSE.td
index 51cc7f384e..d3cd6a82fd 100644
--- a/lib/Target/X86/X86InstrSSE.td
+++ b/lib/Target/X86/X86InstrSSE.td
@@ -289,6 +289,14 @@ def AVX_SET0PDY : PDI<0x57, MRMInitReg, (outs VR256:$dst), (ins), "",
// AVX has no support for 256-bit integer instructions, but since the 128-bit
// VPXOR instruction writes zero to its upper part, it's safe build zeros.
+def : Pat<(v32i8 immAllZerosV), (SUBREG_TO_REG (i8 0), (V_SET0), sub_xmm)>;
+def : Pat<(bc_v32i8 (v8f32 immAllZerosV)),
+ (SUBREG_TO_REG (i8 0), (V_SET0), sub_xmm)>;
+
+def : Pat<(v16i16 immAllZerosV), (SUBREG_TO_REG (i16 0), (V_SET0), sub_xmm)>;
+def : Pat<(bc_v16i16 (v8f32 immAllZerosV)),
+ (SUBREG_TO_REG (i16 0), (V_SET0), sub_xmm)>;
+
def : Pat<(v8i32 immAllZerosV), (SUBREG_TO_REG (i32 0), (V_SET0), sub_xmm)>;
def : Pat<(bc_v8i32 (v8f32 immAllZerosV)),
(SUBREG_TO_REG (i32 0), (V_SET0), sub_xmm)>;