diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/Target/Mips/MipsDSPInstrInfo.td | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/lib/Target/Mips/MipsDSPInstrInfo.td b/lib/Target/Mips/MipsDSPInstrInfo.td index 556cf6b..b9f40ef 100644 --- a/lib/Target/Mips/MipsDSPInstrInfo.td +++ b/lib/Target/Mips/MipsDSPInstrInfo.td @@ -23,6 +23,16 @@ def immSExt6 : ImmLeaf<i32, [{return isInt<6>(Imm);}]>; class DSPPat<dag pattern, dag result, Predicate pred = HasDSP> : Pat<pattern, result>, Requires<[pred]>; +class BitconvertPat<ValueType DstVT, ValueType SrcVT, RegisterClass DstRC, + RegisterClass SrcRC> : + DSPPat<(DstVT (bitconvert (SrcVT SrcRC:$src))), + (COPY_TO_REGCLASS SrcRC:$src, DstRC)>; + +def : BitconvertPat<i32, v2i16, CPURegs, DSPRegs>; +def : BitconvertPat<i32, v4i8, CPURegs, DSPRegs>; +def : BitconvertPat<v2i16, i32, DSPRegs, CPURegs>; +def : BitconvertPat<v4i8, i32, DSPRegs, CPURegs>; + def : DSPPat<(v2i16 (load addr:$a)), (v2i16 (COPY_TO_REGCLASS (LW addr:$a), DSPRegs))>; def : DSPPat<(v4i8 (load addr:$a)), |