diff options
Diffstat (limited to 'llvm/lib/Target/Mips/Mips64InstrInfo.td')
| -rw-r--r-- | llvm/lib/Target/Mips/Mips64InstrInfo.td | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/llvm/lib/Target/Mips/Mips64InstrInfo.td b/llvm/lib/Target/Mips/Mips64InstrInfo.td index c1bffcd497d..ec81be4dbe4 100644 --- a/llvm/lib/Target/Mips/Mips64InstrInfo.td +++ b/llvm/lib/Target/Mips/Mips64InstrInfo.td @@ -494,6 +494,16 @@ def DMTC2 : MTC3OP<"dmtc2", COP2Opnd, GPR64Opnd, II_DMTC2>, MFC3OP_FM<0x12, 5>, // Arbitrary patterns that map to one or more instructions //===----------------------------------------------------------------------===// +// Materialize i64 constants. +defm : MaterializeImms<i64, ZERO_64, DADDiu, LUi64, ORi64>; + +def : MipsPat<(i64 immZExt32Low16Zero:$imm), + (DSLL (ORi64 ZERO_64, (HI16 imm:$imm)), 16)>; + +def : MipsPat<(i64 immZExt32:$imm), + (ORi64 (DSLL (ORi64 ZERO_64, (HI16 imm:$imm)), 16), + (LO16 imm:$imm))>; + // extended loads def : MipsPat<(i64 (extloadi1 addr:$src)), (LB64 addr:$src)>; def : MipsPat<(i64 (extloadi8 addr:$src)), (LB64 addr:$src)>; |
