diff options
Diffstat (limited to 'llvm/lib')
| -rw-r--r-- | llvm/lib/Target/X86/X86InstrSSE.td | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/llvm/lib/Target/X86/X86InstrSSE.td b/llvm/lib/Target/X86/X86InstrSSE.td index 51cc7f384e5..d3cd6a82fdb 100644 --- a/llvm/lib/Target/X86/X86InstrSSE.td +++ b/llvm/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)>; |
