src/ia32/full-codegen-ia32.cc - Issue 23480031: Enable preaging of code objects when --optimize-for-size.

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Unified Diff: src/ia32/full-codegen-ia32.cc

Issue 23480031: Enable preaging of code objects when --optimize-for-size. (Closed) Base URL: https://v8.googlecode.com/svn/trunk

Patch Set: Make pre-aging conditional on is_memory_constrained() Created 7 years, 3 months ago

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Index: src/ia32/full-codegen-ia32.cc

diff --git a/src/ia32/full-codegen-ia32.cc b/src/ia32/full-codegen-ia32.cc

index db82b39979d403f962ba7b7cb47dd069a197b2ef..00a1a1c3843a543cfa665f3333b6d62cbff09c3f 100644

--- a/src/ia32/full-codegen-ia32.cc

+++ b/src/ia32/full-codegen-ia32.cc

@@ -160,7 +160,15 @@ void FullCodeGenerator::Generate() {

info->set_prologue_offset(masm_->pc_offset());

__ push(ebp); // Caller's frame pointer.

__ mov(ebp, esp);

- __ push(esi); // Callee's context.

+ if (isolate()->is_memory_constrained()) {

+ // This sequence marks pre-aged code.

+ __ push(esi); // Callee's context.

+ __ nop();

+ } else {

+ // This sequence marks non-aged code.

+ __ nop();

+ __ push(esi); // Callee's context

+ }

__ push(edi); // Callee's JS Function.

info->AddNoFrameRange(0, masm_->pc_offset());