Revision: 14338
Author: [email protected]
Date: Thu Apr 18 08:09:48 2013
Log: Saving Hydrogen code stubs in the snapshot requires us to respect
the availability of VFP32DREGS.
BUG=
Review URL: https://codereview.chromium.org/13878011
http://code.google.com/p/v8/source/detail?r=14338
Modified:
/branches/bleeding_edge/src/arm/lithium-codegen-arm.cc
=======================================
--- /branches/bleeding_edge/src/arm/lithium-codegen-arm.cc Thu Apr 18
06:45:19 2013
+++ /branches/bleeding_edge/src/arm/lithium-codegen-arm.cc Thu Apr 18
08:09:48 2013
@@ -36,6 +36,14 @@
namespace internal {
+static SaveFPRegsMode GetSaveFPRegsMode() {
+ // We don't need to save floating point regs when generating the snapshot
+ return CpuFeatures::IsSafeForSnapshot(VFP32DREGS)
+ ? kSaveFPRegs
+ : kDontSaveFPRegs;
+}
+
+
class SafepointGenerator : public CallWrapper {
public:
SafepointGenerator(LCodeGen* codegen,
@@ -238,7 +246,12 @@
__ str(r0, target);
// Update the write barrier. This clobbers r3 and r0.
__ RecordWriteContextSlot(
- cp, target.offset(), r0, r3, GetLinkRegisterState(),
kSaveFPRegs);
+ cp,
+ target.offset(),
+ r0,
+ r3,
+ GetLinkRegisterState(),
+ GetSaveFPRegsMode());
}
}
Comment(";;; End allocate local context");
@@ -3067,7 +3080,7 @@
value,
scratch,
GetLinkRegisterState(),
- kSaveFPRegs,
+ GetSaveFPRegsMode(),
EMIT_REMEMBERED_SET,
check_needed);
}
@@ -4256,7 +4269,7 @@
scratch,
temp,
GetLinkRegisterState(),
- kSaveFPRegs,
+ GetSaveFPRegsMode(),
OMIT_REMEMBERED_SET,
OMIT_SMI_CHECK);
}
@@ -4275,7 +4288,7 @@
value,
scratch,
GetLinkRegisterState(),
- kSaveFPRegs,
+ GetSaveFPRegsMode(),
EMIT_REMEMBERED_SET,
check_needed);
}
@@ -4290,7 +4303,7 @@
value,
object,
GetLinkRegisterState(),
- kSaveFPRegs,
+ GetSaveFPRegsMode(),
EMIT_REMEMBERED_SET,
check_needed);
}
@@ -4484,7 +4497,7 @@
key,
value,
GetLinkRegisterState(),
- kSaveFPRegs,
+ GetSaveFPRegsMode(),
EMIT_REMEMBERED_SET,
check_needed);
}
--
--
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