diff options
Diffstat (limited to 'llvm/lib/Target/X86')
| -rw-r--r-- | llvm/lib/Target/X86/X86ISelLowering.cpp | 10 | ||||
| -rw-r--r-- | llvm/lib/Target/X86/X86InstrInfo.td | 5 |
2 files changed, 10 insertions, 5 deletions
diff --git a/llvm/lib/Target/X86/X86ISelLowering.cpp b/llvm/lib/Target/X86/X86ISelLowering.cpp index 2b58826fc8b..bd1ee55345e 100644 --- a/llvm/lib/Target/X86/X86ISelLowering.cpp +++ b/llvm/lib/Target/X86/X86ISelLowering.cpp @@ -82,6 +82,14 @@ X86TargetLowering::X86TargetLowering(TargetMachine &TM) setLoadXAction(ISD::SEXTLOAD, MVT::i1, Expand); + // We don't accept any truncstore of integer registers. + setTruncStoreAction(MVT::i64, MVT::i32, Expand); + setTruncStoreAction(MVT::i64, MVT::i16, Expand); + setTruncStoreAction(MVT::i64, MVT::i8 , Expand); + setTruncStoreAction(MVT::i32, MVT::i16, Expand); + setTruncStoreAction(MVT::i32, MVT::i8 , Expand); + setTruncStoreAction(MVT::i16, MVT::i8, Expand); + // Promote all UINT_TO_FP to larger SINT_TO_FP's, as X86 doesn't have this // operation. setOperationAction(ISD::UINT_TO_FP , MVT::i1 , Promote); @@ -638,6 +646,8 @@ X86TargetLowering::X86TargetLowering(TargetMachine &TM) AddPromotedToType (ISD::SELECT, (MVT::ValueType)VT, MVT::v2i64); } + setTruncStoreAction(MVT::f64, MVT::f32, Expand); + // Custom lower v2i64 and v2f64 selects. setOperationAction(ISD::LOAD, MVT::v2f64, Legal); setOperationAction(ISD::LOAD, MVT::v2i64, Legal); diff --git a/llvm/lib/Target/X86/X86InstrInfo.td b/llvm/lib/Target/X86/X86InstrInfo.td index de705de390d..f5a5803dbf2 100644 --- a/llvm/lib/Target/X86/X86InstrInfo.td +++ b/llvm/lib/Target/X86/X86InstrInfo.td @@ -2598,11 +2598,6 @@ def : Pat<(subc GR32:$src1, imm:$src2), def : Pat<(subc GR32:$src1, i32immSExt8:$src2), (SUB32ri8 GR32:$src1, i32immSExt8:$src2)>; -def : Pat<(truncstorei1 (i8 imm:$src), addr:$dst), - (MOV8mi addr:$dst, imm:$src)>; -def : Pat<(truncstorei1 GR8:$src, addr:$dst), - (MOV8mr addr:$dst, GR8:$src)>; - // Comparisons. // TEST R,R is smaller than CMP R,0 |
