AuroraMiddleware/v8
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3 Commits

Author SHA1 Message Date
bmeurer
eaa92feb9a [builtins] Migrate Math.clz32 to a TurboFan builtin. 
This allows us to remove the troublesome %_MathClz32 intrinsic and also
allows us to utilize the functionality that is already available in
TurboFan. Also introduce a proper NumberClz32 operator so we don't need
to introduce a machine operator at the JS level.

R=epertoso@chromium.org

Review URL: https://codereview.chromium.org/1852553003

Cr-Commit-Position: refs/heads/master@{#35208}
 2016-04-01 14:36:32 +00:00
mstarzinger
6c19c79f59 [turbofan] Fix test of %_MathClz32 intrinsic. 
This test will fail once we optimize top-level code, because the
aforementioned intrinsic doesn't perform a NumberToUint32 conversion.

R=titzer@chromium.org
TEST=mjsunit/asm/math-clz32

Review URL: https://codereview.chromium.org/1041173002

Cr-Commit-Position: refs/heads/master@{#27524}
 2015-03-30 15:10:39 +00:00
Benedikt Meurer
3aa206b865 [turbofan] Turn Math.clz32 into an inlinable builtin. 
R=dcarney@chromium.org, yangguo@chromium.org
BUG=v8:3952
LOG=n

Review URL: https://codereview.chromium.org/1021183002

Cr-Commit-Position: refs/heads/master@{#27329}
 2015-03-20 08:37:34 +00:00