Thanks for optimizing this! I've uploaded the new patch.
https://codereview.chromium.org/26742006/diff/1/src/mips/lithium-codegen-mips.cc
File src/mips/lithium-codegen-mips.cc (right):
https://codereview.chromium.org/26742006/diff/1/src/mips/lithium-codegen-mips.cc#newcode4911
src/mips/lithium-codegen-mips.cc:4911: __ Branch(&done);
On 2013/10/11 21:18:30, Paul Lind wrote:
We should probably use the delay slot here (and 2 more place below) to
save an
instruction.
__ Branch(USE_DELAY_SLOT, &done);
__ mov(input_reg, zero_reg); // In delay slot.
Done.
https://codereview.chromium.org/26742006/diff/1/src/mips/lithium-codegen-mips.cc#newcode4916
src/mips/lithium-codegen-mips.cc:4916: __ li(input_reg, Operand(1));
On 2013/10/11 21:18:30, Paul Lind wrote:
li() of 1 is always single instruction, use delay slot here also.
Done.
https://codereview.chromium.org/26742006/diff/1/src/mips/lithium-codegen-mips.cc#newcode4923
src/mips/lithium-codegen-mips.cc:4923: __ Branch(&done);
On 2013/10/11 21:18:30, Paul Lind wrote:
Use delay slot.
Done.
https://codereview.chromium.org/26742006/
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