Bug 73727
| Summary: | MacroAssembler should support zeroing registers | ||
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| Product: | WebKit | Reporter: | Oliver Hunt <oliver> |
| Component: | JavaScriptCore | Assignee: | Nobody <webkit-unassigned> |
| Status: | NEW | ||
| Severity: | Normal | CC: | barraclough, loki, oliver, pvarga, zherczeg |
| Priority: | P2 | ||
| Version: | 528+ (Nightly build) | ||
| Hardware: | Unspecified | ||
| OS: | Unspecified | ||
Oliver Hunt
Currently we use a mix of load ImmPtr(0) and xorPtr(r,r) to zero the contents of a register. Given that these perform differently on different architectures it probably makes sense to simply have a MacroAssembler API to zero a register that does the most efficient thing for the target platform.
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