diff options
Diffstat (limited to 'lib/Target/Mips/Mips64InstrInfo.td')
| -rw-r--r-- | lib/Target/Mips/Mips64InstrInfo.td | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/lib/Target/Mips/Mips64InstrInfo.td b/lib/Target/Mips/Mips64InstrInfo.td index bfe2ba011957..d6628d408480 100644 --- a/lib/Target/Mips/Mips64InstrInfo.td +++ b/lib/Target/Mips/Mips64InstrInfo.td @@ -440,6 +440,16 @@ def : MipsPat<(i64 (sext_inreg GPR64:$src, i32)), // bswap MipsPattern def : MipsPat<(bswap GPR64:$rt), (DSHD (DSBH GPR64:$rt))>; +// Carry pattern +def : MipsPat<(subc GPR64:$lhs, GPR64:$rhs), + (DSUBu GPR64:$lhs, GPR64:$rhs)>; +let AdditionalPredicates = [NotDSP] in { + def : MipsPat<(addc GPR64:$lhs, GPR64:$rhs), + (DADDu GPR64:$lhs, GPR64:$rhs)>; + def : MipsPat<(addc GPR64:$lhs, immSExt16:$imm), + (DADDiu GPR64:$lhs, imm:$imm)>; +} + //===----------------------------------------------------------------------===// // Instruction aliases //===----------------------------------------------------------------------===// |