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Bug 1040441 - Fix ForkJoinGetSlice stub when JS_THREADPOOL_STEAL=0. (r=nmatsakis)

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Shu-yu Guo 2014-08-01 11:35:54 -07:00
parent 916e4f08fb
commit 9307487176
1 changed files with 4 additions and 0 deletions
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4
js/src/jit/shared/CodeGenerator-x86-shared.cpp
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@ -2129,6 +2129,8 @@ JitRuntime::generateForkJoinGetSliceStub(JSContext *cx)
// It's not technically correct to test whether work-stealing is turned on // It's not technically correct to test whether work-stealing is turned on
// only during stub-generation time, but it's a DEBUG only thing. // only during stub-generation time, but it's a DEBUG only thing.
//
// If stealing is off, stealWork falls through to noMoreWork.
if (cx->runtime()->threadPool.workStealing()) { if (cx->runtime()->threadPool.workStealing()) {
Label stealWorkLoopHead; Label stealWorkLoopHead;
masm.bind(&stealWorkLoopHead); masm.bind(&stealWorkLoopHead);
@ -2196,6 +2198,8 @@ JitRuntime::generateForkJoinGetSliceStub(JSContext *cx)
#endif #endif
// Copies lower 16 bits only. // Copies lower 16 bits only.
masm.movzwl(output, output); masm.movzwl(output, output);
} else {
masm.jump(&noMoreWork);
} }
// If we successfully got a slice, decrement pool->pendingSlices_ and // If we successfully got a slice, decrement pool->pendingSlices_ and