Reviewers: Rodolph Perfetta (ARM), ulan,
Message:
PTAL
Description:
A64: Store/restore flags in deopt-every-n-times check
BUG=none
[email protected],[email protected]
LOG=n
Please review this at https://codereview.chromium.org/141203005/
SVN Base: https://v8.googlecode.com/svn/branches/experimental/a64
Affected files (+5, -3 lines):
M src/a64/lithium-codegen-a64.cc
Index: src/a64/lithium-codegen-a64.cc
diff --git a/src/a64/lithium-codegen-a64.cc b/src/a64/lithium-codegen-a64.cc
index
ee5c0ecec3fa53d4f16c7499799515245d390420..64da578e5ccf5667e7f44cf9063dd64781341319
100644
--- a/src/a64/lithium-codegen-a64.cc
+++ b/src/a64/lithium-codegen-a64.cc
@@ -981,21 +981,23 @@ Deoptimizer::BailoutType LCodeGen::DeoptimizeHeader(
Label not_zero;
ExternalReference count =
ExternalReference::stress_deopt_count(isolate());
- __ Push(x0, x1);
+ __ Push(x0, x1, x2);
+ __ Mrs(x2, NZCV);
__ Mov(x0, Operand(count));
__ Ldr(w1, MemOperand(x0));
__ Subs(x1, x1, 1);
__ B(gt, ¬_zero);
__ Mov(w1, FLAG_deopt_every_n_times);
__ Str(w1, MemOperand(x0));
- __ Pop(x0, x1);
+ __ Pop(x0, x1, x2);
ASSERT(frame_is_built_);
__ Call(entry, RelocInfo::RUNTIME_ENTRY);
__ Unreachable();
__ Bind(¬_zero);
__ Str(w1, MemOperand(x0));
- __ Pop(x0, x1);
+ __ Msr(NZCV, x2);
+ __ Pop(x0, x1, x2);
}
return bailout_type;
--
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