Commit 65c7dcde authored by Nicolas B. Pierron's avatar Nicolas B. Pierron
Browse files

Bug 1530351 - GenerateProfilerExit frame use 64-bits math to remove the... 

Bug 1530351 - GenerateProfilerExit frame use 64-bits math to remove the rectifier frame size. r=sstangl

Differential Revision: https://phabricator.services.mozilla.com/D25755

--HG--
extra : moz-landing-system : lando
parent fbf4fdac

js/src/jit-test/tests/profiler/ion-rectifier-frame-bug1530351.js

0 → 100644
+6 −0
Original line number Diff line number Diff line 
function test(str) {

  for (let i = 0; i < 100; ++i)

    Reflect.apply(String.prototype.substring, str, [])

}

enableGeckoProfilingWithSlowAssertions();

test("");

js/src/jit/arm64/Trampoline-arm64.cpp

+1 −1
Original line number Diff line number Diff line
@@ -1132,7 +1132,7 @@ void JitRuntime::generateProfilerExitFrameTailStub(MacroAssembler& masm, 
    // scratch3 := RectFrame + Rect-Descriptor.Size +

    //             RectifierFrameLayout::Size()

    masm.addPtr(scratch2, scratch1, scratch3);

    masm.add32(Imm32(RectifierFrameLayout::Size()), scratch3);

    masm.addPtr(Imm32(RectifierFrameLayout::Size()), scratch3);

    masm.storePtr(scratch3, lastProfilingFrame);

    masm.ret();