Reviewers: Weiliang, Yang,
Message:
please review the porting patch for X87.
Description:
X87: Introduce intrinsic to expose debug state to generated code.
port r21908.
original commit message:
BUG=
Please review this at https://codereview.chromium.org/349183002/
SVN Base: https://github.com/v8/v8.git@master
Affected files (+10, -0 lines):
M src/x87/full-codegen-x87.cc
Index: src/x87/full-codegen-x87.cc
diff --git a/src/x87/full-codegen-x87.cc b/src/x87/full-codegen-x87.cc
index
7006e7bdabc64343b1a519f7a0f5bf826fe937ec..9259f39738c7975408750c1ea859c583f49e4337
100644
--- a/src/x87/full-codegen-x87.cc
+++ b/src/x87/full-codegen-x87.cc
@@ -3989,6 +3989,16 @@ void
FullCodeGenerator::EmitFastAsciiArrayJoin(CallRuntime* expr) {
}
+void FullCodeGenerator::EmitDebugIsActive(CallRuntime* expr) {
+ ASSERT(expr->arguments()->length() == 0);
+ ExternalReference debug_is_active =
+ ExternalReference::debug_is_active_address(isolate());
+ __ movzx_b(eax, Operand::StaticVariable(debug_is_active));
+ __ SmiTag(eax);
+ context()->Plug(eax);
+}
+
+
void FullCodeGenerator::VisitCallRuntime(CallRuntime* expr) {
if (expr->function() != NULL &&
expr->function()->intrinsic_type == Runtime::INLINE) {
--
--
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