Commit Graph

9 Commits

Author SHA1 Message Date
yangguo@chromium.org
ce86c1bfb1 Avoid bailing out to runtime for short substrings.
This significantly improves the speed for creating short substrings (less than 13 characters) from slices, flat cons strings and external strings.

TEST=string-external-cached.js, string-slices.js

Review URL: http://codereview.chromium.org/8889012

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10221 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
2011-12-09 10:04:58 +00:00
yangguo@chromium.org
6157562994 Simplify StringCharCodeAt in non-crankshaft codegen.
TEST=test/mjsunit/string-slices.js

Review URL: http://codereview.chromium.org/8510005

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@9936 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
2011-11-09 14:32:51 +00:00
yangguo@chromium.org
d7f3985e33 Rolling back r9662.
Review URL: http://codereview.chromium.org/8321001

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@9665 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
2011-10-17 13:39:56 +00:00
yangguo@chromium.org
d2434953e2 Changes around ascii-check for strings wrt external strings.
Review URL: http://codereview.chromium.org/8312015

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@9662 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
2011-10-17 12:49:34 +00:00
yangguo@chromium.org
3439ab60f7 Correcting a bogus assert outdated since r9295.
Review URL: http://codereview.chromium.org/7909002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@9300 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
2011-09-15 12:47:06 +00:00
yangguo@chromium.org
327eb48ce6 Enable slices of external strings (in the tentative implementation).
TEST=cctest test-strings/SliceFromExternal, mjsunit/string-slices.js

Review URL: http://codereview.chromium.org/7832002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@9295 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
2011-09-15 11:10:01 +00:00
yangguo@chromium.org
86a62d0da3 Added check for trailing whitespaces and corrected existing violations.
Review URL: http://codereview.chromium.org/7826007

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@9094 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
2011-09-01 11:28:10 +00:00
yangguo@chromium.org
3077e8aa2f Generated code for substring slices in ia32.
Review URL: http://codereview.chromium.org/7744052

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@9064 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
2011-08-30 08:22:41 +00:00
yangguo@chromium.org
77141f78ff Tentative implementation of string slices (hidden under the flag --string-slices).
TEST=test/mjsunit/string-slices.js

Review URL: http://codereview.chromium.org/7477045

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@9027 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
2011-08-26 13:03:30 +00:00