diff options
Diffstat (limited to 'contrib/llvm-project/llvm/lib/Target/RISCV/RISCVInstrInfoM.td')
| -rw-r--r-- | contrib/llvm-project/llvm/lib/Target/RISCV/RISCVInstrInfoM.td | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/contrib/llvm-project/llvm/lib/Target/RISCV/RISCVInstrInfoM.td b/contrib/llvm-project/llvm/lib/Target/RISCV/RISCVInstrInfoM.td index 987534aadd79..8cfb903a173c 100644 --- a/contrib/llvm-project/llvm/lib/Target/RISCV/RISCVInstrInfoM.td +++ b/contrib/llvm-project/llvm/lib/Target/RISCV/RISCVInstrInfoM.td @@ -81,9 +81,11 @@ def : PatGprGpr<riscv_remuw, REMUW>; // Handle the specific cases where using DIVU/REMU would be correct and result // in fewer instructions than emitting DIVUW/REMUW then zero-extending the // result. -def : Pat<(zexti32 (riscv_divuw (zexti32 GPR:$rs1), (zexti32 GPR:$rs2))), +def : Pat<(and (riscv_divuw (assertzexti32 GPR:$rs1), + (assertzexti32 GPR:$rs2)), 0xffffffff), (DIVU GPR:$rs1, GPR:$rs2)>; -def : Pat<(zexti32 (riscv_remuw (zexti32 GPR:$rs1), (zexti32 GPR:$rs2))), +def : Pat<(and (riscv_remuw (assertzexti32 GPR:$rs1), + (assertzexti32 GPR:$rs2)), 0xffffffff), (REMU GPR:$rs1, GPR:$rs2)>; // Although the sexti32 operands may not have originated from an i32 srem, |