diff options
| author | Lena Djokic <Lena.Djokic@mips.com> | 2017-12-13 12:09:42 +0100 |
|---|---|---|
| committer | Lena Djokic <Lena.Djokic@mips.com> | 2018-01-03 17:40:01 +0100 |
| commit | a556e6ba500ba54d1ca90d6a947dd962d9c287c7 (patch) | |
| tree | f9e747c6218ca741c7b0783a9d10dedf22dd36b3 /compiler/optimizing/code_generator_mips.cc | |
| parent | b0ddceb337f614dc2600d19b82fb4a6596aa7d4c (diff) | |
MIPS: InstructionCodeGeneratorMIPS*::DivRemByPowerOfTwo()
Replace [d]sll+[d]srl with [d]ins on R2+.
Change-Id: I7587e46c47c8ce413d81a5c6c29d91e32a14d855
Diffstat (limited to 'compiler/optimizing/code_generator_mips.cc')
| -rw-r--r-- | compiler/optimizing/code_generator_mips.cc | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/compiler/optimizing/code_generator_mips.cc b/compiler/optimizing/code_generator_mips.cc index 9f4c2349e7..c4772ad79f 100644 --- a/compiler/optimizing/code_generator_mips.cc +++ b/compiler/optimizing/code_generator_mips.cc @@ -3774,8 +3774,12 @@ void InstructionCodeGeneratorMIPS::DivRemByPowerOfTwo(HBinaryOperation* instruct if (IsUint<16>(abs_imm - 1)) { __ Andi(out, out, abs_imm - 1); } else { - __ Sll(out, out, 32 - ctz_imm); - __ Srl(out, out, 32 - ctz_imm); + if (codegen_->GetInstructionSetFeatures().IsMipsIsaRevGreaterThanEqual2()) { + __ Ins(out, ZERO, ctz_imm, 32 - ctz_imm); + } else { + __ Sll(out, out, 32 - ctz_imm); + __ Srl(out, out, 32 - ctz_imm); + } } __ Subu(out, out, TMP); } |