AuroraMiddleware/v8

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Author	SHA1	Message	Date
jkummerow@chromium.org	dea98eee53	Fix a bug in Div when all uses are truncating Refine the related test cases to cover truncating cases BUG= R=jkummerow@chromium.org Review URL: https://codereview.chromium.org/22964004 Patch from Weiliang Lin <weiliang.lin2@gmail.com>. git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16249 ce2b1a6d-e550-0410-aec6-3dcde31c8c00	2013-08-20 13:57:01 +00:00
yangguo@chromium.org	c70a0f9334	Improve integer division on IA32 and X64 If the divisor is a Power-of-2 constant, we could use shifts instead of the expensive idiv instructions, which also loose the register constraints. Review URL: https://chromiumcodereview.appspot.com/11478043 Patch from Yuqiang Xian <yuqiang.xian@intel.com>. git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13178 ce2b1a6d-e550-0410-aec6-3dcde31c8c00	2012-12-10 11:02:22 +00:00

Author

SHA1

Message

Date

jkummerow@chromium.org

dea98eee53

Fix a bug in Div when all uses are truncating

Refine the related test cases to cover truncating cases

BUG=
R=jkummerow@chromium.org

Review URL: https://codereview.chromium.org/22964004

Patch from Weiliang Lin <weiliang.lin2@gmail.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16249 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

2013-08-20 13:57:01 +00:00

yangguo@chromium.org

c70a0f9334

Improve integer division on IA32 and X64

If the divisor is a Power-of-2 constant, we could use shifts instead of the
expensive idiv instructions, which also loose the register constraints.

Review URL: https://chromiumcodereview.appspot.com/11478043
Patch from Yuqiang Xian <yuqiang.xian@intel.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13178 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

2012-12-10 11:02:22 +00:00

2 Commits