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ARM: Replace branch with conditional store in function prologue.
authorbmeurer@chromium.org <bmeurer@chromium.org@ce2b1a6d-e550-0410-aec6-3dcde31c8c00>
Mon, 28 Oct 2013 10:29:57 +0000 (10:29 +0000)
committerbmeurer@chromium.org <bmeurer@chromium.org@ce2b1a6d-e550-0410-aec6-3dcde31c8c00>
Mon, 28 Oct 2013 10:29:57 +0000 (10:29 +0000)
commit3e7a1c045500eb0fa722ea7a35691431efe3af4f
tree7970eac3ead23eb427e82a7956d7cb8c53888193tree | snapshot
parent38e198109f6d8f1234fa474632c47fade144c316commit | diff
ARM: Replace branch with conditional store in function prologue.

Use conditional store to replace the receiver with undefined for
strict mode functions and builtins instead of branching code. This
has similar performance characteristics but saves one branch
instruction per strict mode function.

R=svenpanne@chromium.org

Review URL: https://codereview.chromium.org/48473002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@17412 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
src/arm/full-codegen-arm.cc diff | blob | history
src/arm/lithium-codegen-arm.cc diff | blob | history
Domain: Web Framework / Web Engine;