[Webkit-unassigned] [Bug 183740] New: [MIPS] Optimize JIT code generated by methods with TrustedImm32 operand
bugzilla-daemon at webkit.org
bugzilla-daemon at webkit.org
Mon Mar 19 04:26:47 PDT 2018
https://bugs.webkit.org/show_bug.cgi?id=183740
Bug ID: 183740
Summary: [MIPS] Optimize JIT code generated by methods with
TrustedImm32 operand
Product: WebKit
Version: Other
Hardware: Other
OS: Other
Status: NEW
Severity: Enhancement
Priority: P2
Component: JavaScriptCore
Assignee: webkit-unassigned at lists.webkit.org
Reporter: stanislav.ocovaj at rt-rk.com
In many macro assembler methods with TrustedImm32 operand a move imm, immTemp (pseudo)instruction is first generated and a register operand variant of the same method is called to generate the rest of the code. If the immediate value can fit in 16 bits then we can skip the move instruction and generate more efficient code using MIPS instructions with immediate operand.
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