src/compiler/code-generator.cc - Issue 811713002: [turbofan] Always align loop headers at 16-byte boundaries.

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

Issue 811713002: [turbofan] Always align loop headers at 16-byte boundaries. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master

Patch Set: Created 6 years ago

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Index: src/compiler/code-generator.cc

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

index 09438f912e35c8fe23e43d67423200a46a1fb83c..cfe4f06606d1062abc5af529135fd89b95bb2b3b 100644

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

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

@@ -57,6 +57,8 @@ Handle<Code> CodeGenerator::GenerateCode() {

if (block->IsDeferred() == (deferred == 0)) {

continue;

}

+ // Align loop headers on 16-byte boundaries.

+ if (block->IsLoopHeader()) masm()->Align(16);

// Bind a label for a block.

current_block_ = block->rpo_number();

if (FLAG_code_comments) {

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