Closed Bug 835578 Opened 8 years ago Closed 8 years ago

IonMonkey: let dead comparison constants die

Categories

(Core :: JavaScript Engine, defect)

Product:
Core
Component:
JavaScript Engine
Type:
defect
Priority:
Not set
Severity:
normal

Tracking

()

Status:
RESOLVED FIXED
Milestone:
mozilla21

People

(Reporter: luke, Assigned: luke)

Details

Attachments

(1 file)

fix
1.98 KB, patch
dvander
: review+
Details | Diff | Splinter Review
Attached patch fix — — Splinter Review 
This patch fixes a bug where a constant that flows into an MCompare gets useRegister'd which causes it to be emitted as a dead register mov, even though the constant gets embedded as an immediate in the cmp instruction.
Attachment #707313 - Flags: review?(dvander)
Attachment #707313 - Flags: review?(dvander) → review+
https://hg.mozilla.org/mozilla-central/rev/a16bd9c18600
Status: NEW → RESOLVED
Closed: 8 years ago
Resolution: --- → FIXED
Target Milestone: --- → mozilla21
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