Issue 6594008: ARM: Fix instruction double to i...

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Issue 6594008: ARM: Fix instruction double to i... (Closed)

Created:
9 years, 10 months ago by Søren Thygesen Gjesse

Modified:
9 years, 7 months ago

Reviewers:
Karl Klose

CC:
v8-dev

Base URL:
http://v8.googlecode.com/svn/branches/bleeding_edge/

Visibility:
Public.

Description

ARM: Fix instruction double to i The double to i convertion should round to zero not infinity. Thes bug was revealed by http://codereview.chromium.org/6597003, where the value of (x * 1.0000000001) | 0 was x - 1 and not x when x was a negative smi. I will not commit http://codereview.chromium.org/6597003 before this is committed. TEST=test/mjsunit/smi-ops-inlined.js Committed: http://code.google.com/p/v8/source/detail?r=6951

Patch Set 1 #

Patch Set 2 : '' #

Created: 9 years, 10 months ago

Download [raw] [tar.bz2]

		Unified diffs	Side-by-side diffs	Delta from patch set	Stats (+1 line, -4 lines)			Patch
	M	src/arm/lithium-codegen-arm.cc	View	1	1 chunk	+1 line, -4 lines	0 comments	Download

Messages

Total messages: 3 (0 generated)

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Søren Thygesen Gjesse

9 years, 10 months ago (2011-02-25 12:55:02 UTC) #3

Updated change to use same rounding mode for both truncating and non-truncating
double to i, as for the non-truncating we check that the conversion was exact
anyway.

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