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

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/ia32/lithium-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

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/ia32/lithium-codegen-ia32.cc

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

index 860646c2fd60417e2fdfe5640eabe15cb61c0211..bf81edc8dd8bc2242f23011bb741ce896b5c6683 100644

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

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

@@ -209,7 +209,15 @@ bool LCodeGen::GeneratePrologue() {

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

__ mov(ebp, esp);

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

- __ 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

+ }

if (info()->IsStub()) {

__ push(Immediate(Smi::FromInt(StackFrame::STUB)));

} else {