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(parent: 3c51baa) | patch
Optimize loads from root-array in X64.
authorlrn@chromium.org <lrn@chromium.org@ce2b1a6d-e550-0410-aec6-3dcde31c8c00>
Mon, 7 Mar 2011 08:35:19 +0000 (08:35 +0000)
committerlrn@chromium.org <lrn@chromium.org@ce2b1a6d-e550-0410-aec6-3dcde31c8c00>
Mon, 7 Mar 2011 08:35:19 +0000 (08:35 +0000)
commitcd04469f787197a9fa770e5355717fa3b59c5d88
treedd54a8ad5048c9a442bdcd59674d25005a520ecatree | snapshot
parent3c51baa1ac4b0d6997583c0be87ba84b0ef13663commit | diff
Optimize loads from root-array in X64.

Move the value of the root-array register to offset 128 from the start of
the root array. This allows indices 16..31 to be reached using only an
8-bit displacement, saving three bytes per access.

Review URL: http://codereview.chromium.org/6594115

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@7069 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
src/heap.h diff | blob | history
src/x64/code-stubs-x64.cc diff | blob | history
src/x64/codegen-x64.cc diff | blob | history
src/x64/deoptimizer-x64.cc diff | blob | history
src/x64/lithium-codegen-x64.cc diff | blob | history
src/x64/macro-assembler-x64.cc diff | blob | history
src/x64/macro-assembler-x64.h diff | blob | history
Domain: Web Framework / Web Engine;