Closed Bug 891208 Opened 11 years ago Closed 4 years ago

Odinmonkey: (ARM) consider dedicating a floating point register to hold the value zero.

Categories

(Core :: JavaScript: WebAssembly, enhancement, P5)

Product:
Core
Component:
JavaScript: WebAssembly
Platform:
ARM
All
Type:
enhancement

Tracking

()

Status:
RESOLVED WONTFIX

People

(Reporter: dougc, Unassigned)

References

Details

From an IRC discussion, mjrosenb suggested dedicating a floating point register to hold the value zero. Further it was suggested to use double float register in the range d8 to d15 as these are preserved across native ABI calls. d15 current holds NaN.
Assignee: general → nobody
Per policy at https://wiki.mozilla.org/Bug_Triage/Projects/Bug_Handling/Bug_Husbandry#Inactive_Bugs. If this bug is not an enhancement request or a bug not present in a supported release of Firefox, then it may be reopened.
Status: NEW → RESOLVED
Closed: 6 years ago
Resolution: --- → INACTIVE
Status: RESOLVED → REOPENED
Resolution: INACTIVE → ---
Component: JavaScript Engine → Javascript: WebAssembly

Maybe an idea for Cranelift.

Priority: -- → P5

ARM micro-optimization - we won't do it.

Status: REOPENED → RESOLVED
Closed: 6 years ago → 4 years ago
Resolution: --- → WONTFIX
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