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Issue 2103713003: [ia32] Fixes a bug in cmpw. (Closed)

Created:
4 years, 5 months ago by epertoso
Modified:
4 years, 5 months ago
Reviewers:
Benedikt Meurer
CC:
v8-reviews_googlegroups.com, v8-x87-ports_googlegroups.com
Base URL:
https://chromium.googlesource.com/v8/v8.git@master
Target Ref:
refs/pending/heads/master
Project:
v8
Visibility:
Public.

Description

[ia32] Fixes a bug in cmpw. The opcodes for 'cmpw r/m16, r16' and 'cmpw r16, r/m16' were swapped, causing a few issues when less than/greater than comparison were performed. Adds a regression test. BUG=621926 Committed: https://crrev.com/efa7095e3e360fbadbe909d831ac11b268ca26b0 Committed: https://crrev.com/588e15c0343ba3052b15887f08a84bcd03f7e233 Cr-Original-Commit-Position: refs/heads/master@{#37339} Cr-Commit-Position: refs/heads/master@{#37345}

Patch Set 1 #

Patch Set 2 : Update #

Patch Set 3 : Should have fixed v8_mac_rel_ng_triggered. #

Patch Set 4 : Save and restore ebx. #

Unified diffs Side-by-side diffs Delta from patch set Stats (+60 lines, -6 lines) Patch
M src/ia32/assembler-ia32.cc View 1 chunk +2 lines, -2 lines 0 comments Download
M src/ia32/disasm-ia32.cc View 2 chunks +17 lines, -4 lines 0 comments Download
M test/cctest/test-assembler-ia32.cc View 1 2 3 1 chunk +41 lines, -0 lines 0 comments Download

Messages

Total messages: 28 (12 generated)
commit-bot: I haz the power
Dry run: CQ is trying da patch. Follow status at https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.org/2103713003/1
4 years, 5 months ago (2016-06-28 10:46:34 UTC) #2
epertoso
4 years, 5 months ago (2016-06-28 10:47:48 UTC) #4
Benedikt Meurer
lgtm
4 years, 5 months ago (2016-06-28 10:50:33 UTC) #5
commit-bot: I haz the power
Dry run: Try jobs failed on following builders: v8_mac_rel_ng on master.tryserver.v8 (JOB_FAILED, http://build.chromium.org/p/tryserver.v8/builders/v8_mac_rel_ng/builds/3993) v8_mac_rel_ng_triggered on ...
4 years, 5 months ago (2016-06-28 11:18:36 UTC) #7
commit-bot: I haz the power
CQ is trying da patch. Follow status at https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.org/2103713003/20001
4 years, 5 months ago (2016-06-28 16:07:27 UTC) #10
commit-bot: I haz the power
Try jobs failed on following builders: v8_mac_rel_ng on master.tryserver.v8 (JOB_FAILED, http://build.chromium.org/p/tryserver.v8/builders/v8_mac_rel_ng/builds/4038) v8_mac_rel_ng_triggered on master.tryserver.v8 (JOB_FAILED, ...
4 years, 5 months ago (2016-06-28 16:41:46 UTC) #12
commit-bot: I haz the power
CQ is trying da patch. Follow status at https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.org/2103713003/40001
4 years, 5 months ago (2016-06-28 16:54:36 UTC) #15
commit-bot: I haz the power
Committed patchset #3 (id:40001)
4 years, 5 months ago (2016-06-28 17:21:27 UTC) #16
commit-bot: I haz the power
Patchset 3 (id:??) landed as https://crrev.com/efa7095e3e360fbadbe909d831ac11b268ca26b0 Cr-Commit-Position: refs/heads/master@{#37339}
4 years, 5 months ago (2016-06-28 17:23:45 UTC) #18
epertoso
A revert of this CL (patchset #3 id:40001) has been created in https://codereview.chromium.org/2106913002/ by epertoso@chromium.org. ...
4 years, 5 months ago (2016-06-28 17:42:29 UTC) #19
epertoso
Trying to re-land. Saving and restoring ebx now.
4 years, 5 months ago (2016-06-28 18:07:36 UTC) #21
commit-bot: I haz the power
CQ is trying da patch. Follow status at https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.org/2103713003/60001
4 years, 5 months ago (2016-06-28 18:07:45 UTC) #23
commit-bot: I haz the power
Committed patchset #4 (id:60001)
4 years, 5 months ago (2016-06-28 18:35:21 UTC) #24
commit-bot: I haz the power
Patchset 4 (id:??) landed as https://crrev.com/588e15c0343ba3052b15887f08a84bcd03f7e233 Cr-Commit-Position: refs/heads/master@{#37345}
4 years, 5 months ago (2016-06-28 18:35:55 UTC) #26
Michael Achenbach
Note there was one more flake on that bot after your reland: https://build.chromium.org/p/client.v8/builders/V8%20Linux%20gcc%204.8/builds/7235/ It is ...
4 years, 5 months ago (2016-06-29 06:37:52 UTC) #27
epertoso
4 years, 5 months ago (2016-06-29 08:22:06 UTC) #28
Message was sent while issue was closed.
On 2016/06/29 at 06:37:52, machenbach wrote:
> Note there was one more flake on that bot after your reland:
>
https://build.chromium.org/p/client.v8/builders/V8%20Linux%20gcc%204.8/builds...
> 
> It is turbofan only. Is it still connected to your CL?

FYI: http://crrev.com/2111503002

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