diff options
| -rw-r--r-- | compiler/dex/quick/mips/int_mips.cc | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/compiler/dex/quick/mips/int_mips.cc b/compiler/dex/quick/mips/int_mips.cc index 626b36e..290a7bd 100644 --- a/compiler/dex/quick/mips/int_mips.cc +++ b/compiler/dex/quick/mips/int_mips.cc @@ -309,7 +309,13 @@ RegLocation MipsMir2Lir::GenDivRem(RegLocation rl_dest, RegStorage reg1, RegStor RegLocation MipsMir2Lir::GenDivRemLit(RegLocation rl_dest, RegStorage reg1, int lit, bool is_div) { RegStorage t_reg = AllocTemp(); - NewLIR3(kMipsAddiu, t_reg.GetReg(), rZERO, lit); + // lit is guarantee to be a 16-bit constant + if (IsUint<16>(lit)) { + NewLIR3(kMipsOri, t_reg.GetReg(), rZERO, lit); + } else { + // Addiu will sign extend the entire width (32 or 64) of the register. + NewLIR3(kMipsAddiu, t_reg.GetReg(), rZERO, lit); + } RegLocation rl_result = GenDivRem(rl_dest, reg1, t_reg, is_div); FreeTemp(t_reg); return rl_result; |