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Unified Diff: src/arm/macro-assembler-arm.cc

Issue 942513002: Put the type feedback vector in the unoptimized JavaScript frame. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Reduced constant in deep recursion test for windows. Created 5 years, 9 months ago
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Index: src/arm/macro-assembler-arm.cc
diff --git a/src/arm/macro-assembler-arm.cc b/src/arm/macro-assembler-arm.cc
index b3cacc8cef0460e76c9ce01dcc2b4512ea184fe9..63fda5aef0835d217ab8280a8263c1b6a396c5c9 100644
--- a/src/arm/macro-assembler-arm.cc
+++ b/src/arm/macro-assembler-arm.cc
@@ -3785,6 +3785,22 @@ void MacroAssembler::JumpIfDictionaryInPrototypeChain(
}
+void MacroAssembler::AdaptUnoptimizedFrameForOsrEntry(
+ int unoptimized_slot_count, Register scratch0, Register scratch1) {
+ if (unoptimized_slot_count > 0) {
+ Label loop_start;
+ add(scratch0, fp, Operand(JavaScriptFrameConstants::kFeedbackVectorOffset));
+ bind(&loop_start);
+ ldr(scratch1, MemOperand(scratch0, -1 * kPointerSize));
+ str(scratch1, MemOperand(scratch0, 0));
+ sub(scratch0, scratch0, Operand(kPointerSize));
+ cmp(scratch0, sp);
+ b(gt, &loop_start);
+ }
+ add(sp, sp, Operand(kPointerSize));
+}
+
+
#ifdef DEBUG
bool AreAliased(Register reg1,
Register reg2,
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