src/compiler/x64/code-generator-x64.cc - Issue 989203002: [x86] Faster/shorter code for stack checks.

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Unified Diff: src/compiler/x64/code-generator-x64.cc

Issue 989203002: [x86] Faster/shorter code for stack checks. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master

Patch Set: Created 5 years, 9 months ago

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Index: src/compiler/x64/code-generator-x64.cc

diff --git a/src/compiler/x64/code-generator-x64.cc b/src/compiler/x64/code-generator-x64.cc

index b808e4e893072a7a2d654694109c71ee6ccfa9ce..f8c439faa833b9ab763adf6bedb8193229dffcd2 100644

--- a/src/compiler/x64/code-generator-x64.cc

+++ b/src/compiler/x64/code-generator-x64.cc

@@ -1051,6 +1051,9 @@ void CodeGenerator::AssembleArchInstruction(Instruction* instr) {

case kCheckedStoreFloat64:

ASSEMBLE_CHECKED_STORE_FLOAT(movsd);

break;

+ case kX64StackCheck:

+ __ CompareRoot(rsp, Heap::kStackLimitRootIndex);

+ break;

}

} // NOLINT(readability/fn_size)

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