diff options
Diffstat (limited to 'llvm/lib')
| -rw-r--r-- | llvm/lib/Target/X86/X86InstrMMX.td | 16 |
1 files changed, 13 insertions, 3 deletions
diff --git a/llvm/lib/Target/X86/X86InstrMMX.td b/llvm/lib/Target/X86/X86InstrMMX.td index 3bd9af5a9f4..fd708013b7c 100644 --- a/llvm/lib/Target/X86/X86InstrMMX.td +++ b/llvm/lib/Target/X86/X86InstrMMX.td @@ -587,11 +587,21 @@ let AddedComplexity = 15 in { let AddedComplexity = 20 in { def : Pat<(v8i8 (X86vzmovl (bc_v8i8 (load_mmx addr:$src)))), - (MMX_MOVZDI2PDIrm addr:$src)>; + (MMX_MOVZDI2PDIrm addr:$src)>; def : Pat<(v4i16 (X86vzmovl (bc_v4i16 (load_mmx addr:$src)))), - (MMX_MOVZDI2PDIrm addr:$src)>; + (MMX_MOVZDI2PDIrm addr:$src)>; def : Pat<(v2i32 (X86vzmovl (bc_v2i32 (load_mmx addr:$src)))), - (MMX_MOVZDI2PDIrm addr:$src)>; + (MMX_MOVZDI2PDIrm addr:$src)>; +} + +// Clear top half. +let AddedComplexity = 15 in { + def : Pat<(v8i8 (X86vzmovl VR64:$src)), + (MMX_PUNPCKLDQrr VR64:$src, (MMX_V_SET0))>; + def : Pat<(v4i16 (X86vzmovl VR64:$src)), + (MMX_PUNPCKLDQrr VR64:$src, (MMX_V_SET0))>; + def : Pat<(v2i32 (X86vzmovl VR64:$src)), + (MMX_PUNPCKLDQrr VR64:$src, (MMX_V_SET0))>; } // Scalar to v4i16 / v8i8. The source may be a GR32, but only the lower |
