src/arm64/full-codegen-arm64.cc - Issue 577273002: [arm64] cleanup heap numbers detection

Keyboard Shortcuts

	File
u :	up to issue
j / k :	jump to file after / before current file
J / K :	jump to next file with a comment after / before current file
	Side-by-side diff
i :	toggle intra-line diffs
e :	expand all comments
c :	collapse all comments
s :	toggle showing all comments
n / p :	next / previous diff chunk or comment
N / P :	next / previous comment
<Up> / <Down> :	next / previous line

	Issue
u :	up to list of issues
j / k :	jump to patch after / before current patch
o / <Enter> :	open current patch in side-by-side view
i :	open current patch in unified diff view

	Issue List
j / k :	jump to issue after / before current issue
o / <Enter> :	open current issue

Unified Diff: src/arm64/full-codegen-arm64.cc

Issue 577273002: [arm64] cleanup heap numbers detection (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge

Patch Set: Created 6 years, 3 months ago

Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.

Jump to:

Index: src/arm64/full-codegen-arm64.cc

diff --git a/src/arm64/full-codegen-arm64.cc b/src/arm64/full-codegen-arm64.cc

index 4611363551bdc504d960ac3aa521689f73fed526..c487c518afc39c7d01c09f5b9d1fc422f58fe6de 100644

--- a/src/arm64/full-codegen-arm64.cc

+++ b/src/arm64/full-codegen-arm64.cc

@@ -2819,7 +2819,7 @@ void FullCodeGenerator::EmitIsMinusZero(CallRuntime* expr) {

&if_true, &if_false, &fall_through);

// Only a HeapNumber can be -0.0, so return false if we have something else.

- __ CheckMap(x0, x1, Heap::kHeapNumberMapRootIndex, if_false, DO_SMI_CHECK);

+ __ JumpIfNotHeapNumber(x0, if_false, DO_SMI_CHECK);

// Test the bit pattern.

__ Ldr(x10, FieldMemOperand(x0, HeapNumber::kValueOffset));