Reviewers: Lasse Reichstein,
Description:
Add conditional counter update to IA-32
Please review this at http://codereview.chromium.org/554001
SVN Base: http://v8.googlecode.com/svn/branches/bleeding_edge/
Affected files:
M src/ia32/macro-assembler-ia32.h
M src/ia32/macro-assembler-ia32.cc
Index: src/ia32/macro-assembler-ia32.cc
===================================================================
--- src/ia32/macro-assembler-ia32.cc (revision 3644)
+++ src/ia32/macro-assembler-ia32.cc (working copy)
@@ -1454,6 +1454,36 @@
}
+void MacroAssembler::IncrementCounter(Condition cc,
+ StatsCounter* counter,
+ int value) {
+ ASSERT(value > 0);
+ if (FLAG_native_code_counters && counter->Enabled()) {
+ Label skip;
+ j(NegateCondition(cc), &skip);
+ pushfd();
+ IncrementCounter(counter, value);
+ popfd();
+ bind(&skip);
+ }
+}
+
+
+void MacroAssembler::DecrementCounter(Condition cc,
+ StatsCounter* counter,
+ int value) {
+ ASSERT(value > 0);
+ if (FLAG_native_code_counters && counter->Enabled()) {
+ Label skip;
+ j(NegateCondition(cc), &skip);
+ pushfd();
+ DecrementCounter(counter, value);
+ popfd();
+ bind(&skip);
+ }
+}
+
+
void MacroAssembler::Assert(Condition cc, const char* msg) {
if (FLAG_debug_code) Check(cc, msg);
}
Index: src/ia32/macro-assembler-ia32.h
===================================================================
--- src/ia32/macro-assembler-ia32.h (revision 3644)
+++ src/ia32/macro-assembler-ia32.h (working copy)
@@ -392,6 +392,8 @@
void SetCounter(StatsCounter* counter, int value);
void IncrementCounter(StatsCounter* counter, int value);
void DecrementCounter(StatsCounter* counter, int value);
+ void IncrementCounter(Condition cc, StatsCounter* counter, int value);
+ void DecrementCounter(Condition cc, StatsCounter* counter, int value);
//
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