Commit Graph

8 Commits

Author SHA1 Message Date
bmeurer@chromium.org
81877a6440 [turbofan] Optimize division/modulus by constant.
TEST=cctest,mjsunit,unittests
R=dcarney@chromium.org, svenpanne@chromium.org

Review URL: https://codereview.chromium.org/654833002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24595 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
2014-10-14 11:57:06 +00:00
bmeurer@chromium.org
5c1f7b5aa1 [turbofan] Optimize Int32Mod by power-of-two.
TEST=mjsunit/asm/int32-tmod,unittests
R=dcarney@chromium.org

Review URL: https://codereview.chromium.org/649083005

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24554 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
2014-10-13 11:09:32 +00:00
bmeurer@chromium.org
9b306893a3 [turbofan] Properly emit bounds checks for typed array element loads.
Also fix an awfull bug in simplified lowering.

TEST=cctest,mjsunit/asm
R=mstarzinger@chromium.org

Review URL: https://codereview.chromium.org/640603003

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24463 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
2014-10-08 11:16:45 +00:00
titzer@chromium.org
015f963e8f Lower NumberMultiply, NumberDivide, and NumberModulus to Int32Mul, Int32[U]Div, and Int32[U]Mod when possible in simplified-lowering.
R=mstarzinger@chromium.org
BUG=

Review URL: https://codereview.chromium.org/620553008

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24462 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
2014-10-08 10:53:46 +00:00
mstarzinger@chromium.org
28e733e7d0 Extend JSBuiltinReducer to cover Math.abs as well.
R=titzer@chromium.org
TEST=compiler-unittests/JSBuiltinReducerTest.MathAbs

Review URL: https://codereview.chromium.org/605123004

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24255 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
2014-09-26 14:06:56 +00:00
bmeurer@chromium.org
7099d635ee [turbofan] Reduce shl with sar/shr and same shift amount to bit-and.
The shl(sar(x, K), K) is a common pattern with typed loads/stores in
asm.js.

TEST=compiler-unittests,mjsunit/asm/int32array-unaligned
R=jarin@chromium.org

Review URL: https://codereview.chromium.org/598083007

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24238 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
2014-09-26 07:35:59 +00:00
mstarzinger@chromium.org
47ec735026 Slightly adapt Math.fround test.
R=bmeurer@chromium.org

Review URL: https://codereview.chromium.org/606583002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24215 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
2014-09-25 08:44:15 +00:00
mstarzinger@chromium.org
ea97f413ee Extend JSBuiltinReducer to cover Math.fround as well.
R=bmeurer@chromium.org
TEST=compiler-unittests/JSBuiltinReducerTest.MathFround

Review URL: https://codereview.chromium.org/594183004

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24187 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
2014-09-24 14:55:13 +00:00