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Issue 13927008: Align start of the page's object area to match OS::kMaxPreferredCodeAlignment. (Closed)

Created:
7 years, 8 months ago by Vyacheslav Egorov (Google)
Modified:
7 years, 8 months ago
Reviewers:
siva, Ivan Posva
CC:
reviews_dartlang.org
Visibility:
Public.

Description

Align start of the page's object area to match OS::kMaxPreferredCodeAlignment. On ia32 we were aligning it only by 8 bytes which would later negate all our attemps to align code objects by 16 or 32 bytes as the very first code object would be misaligned and the rest would have the same misalignment modulo preferred code alignment. BUG= Committed: https://code.google.com/p/dart/source/detail?r=21269

Patch Set 1 #

Unified diffs Side-by-side diffs Delta from patch set Stats (+1 line, -1 line) Patch
M runtime/vm/pages.h View 1 chunk +1 line, -1 line 0 comments Download

Messages

Total messages: 3 (0 generated)
Vyacheslav Egorov (Google)
Please take a look. This is mostly performance neutral but at least we now get ...
7 years, 8 months ago (2013-04-10 20:07:53 UTC) #1
Ivan Posva
Nice find! LGTM, -Ivan
7 years, 8 months ago (2013-04-10 22:54:34 UTC) #2
Vyacheslav Egorov (Google)
7 years, 8 months ago (2013-04-11 11:47:55 UTC) #3
Message was sent while issue was closed.
Committed patchset #1 manually as r21269 (presubmit successful).

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