Revision: 21701
Author: [email protected]
Date: Thu Jun 5 16:47:02 2014 UTC
Log: MIPS: Preliminary support for block contexts in hydrogen.
Port r21684 (ea35030)
Original commit message:
Patch from Steven Keuchel <[email protected]>
BUG=v8:2198
LOG=N
TEST=mjsunit/harmony/block-let-crankshaft.js
[email protected]
Review URL: https://codereview.chromium.org/313183007
Patch from Balazs Kilvady <[email protected]>.
http://code.google.com/p/v8/source/detail?r=21701
Modified:
/branches/bleeding_edge/src/mips/lithium-codegen-mips.cc
/branches/bleeding_edge/src/mips/lithium-mips.cc
/branches/bleeding_edge/src/mips/lithium-mips.h
=======================================
--- /branches/bleeding_edge/src/mips/lithium-codegen-mips.cc Wed Jun 4
14:57:51 2014 UTC
+++ /branches/bleeding_edge/src/mips/lithium-codegen-mips.cc Thu Jun 5
16:47:02 2014 UTC
@@ -5872,6 +5872,21 @@
__ bind(deferred->exit());
__ bind(&done);
}
+
+
+void LCodeGen::DoStoreFrameContext(LStoreFrameContext* instr) {
+ Register context = ToRegister(instr->context());
+ __ sw(context, MemOperand(fp, StandardFrameConstants::kContextOffset));
+}
+
+
+void LCodeGen::DoAllocateBlockContext(LAllocateBlockContext* instr) {
+ Handle<ScopeInfo> scope_info = instr->scope_info();
+ __ li(at, scope_info);
+ __ Push(at, ToRegister(instr->function()));
+ CallRuntime(Runtime::kHiddenPushBlockContext, 2, instr);
+ RecordSafepoint(Safepoint::kNoLazyDeopt);
+}
#undef __
=======================================
--- /branches/bleeding_edge/src/mips/lithium-mips.cc Tue Jun 3 08:12:43
2014 UTC
+++ /branches/bleeding_edge/src/mips/lithium-mips.cc Thu Jun 5 16:47:02
2014 UTC
@@ -2525,5 +2525,21 @@
return AssignPointerMap(result);
}
+
+
+LInstruction* LChunkBuilder::DoStoreFrameContext(HStoreFrameContext*
instr) {
+ LOperand* context = UseRegisterAtStart(instr->context());
+ return new(zone()) LStoreFrameContext(context);
+}
+
+
+LInstruction* LChunkBuilder::DoAllocateBlockContext(
+ HAllocateBlockContext* instr) {
+ LOperand* context = UseFixed(instr->context(), cp);
+ LOperand* function = UseRegisterAtStart(instr->function());
+ LAllocateBlockContext* result =
+ new(zone()) LAllocateBlockContext(context, function);
+ return MarkAsCall(DefineFixed(result, cp), instr);
+}
} } // namespace v8::internal
=======================================
--- /branches/bleeding_edge/src/mips/lithium-mips.h Tue Jun 3 15:45:38
2014 UTC
+++ /branches/bleeding_edge/src/mips/lithium-mips.h Thu Jun 5 16:47:02
2014 UTC
@@ -21,6 +21,7 @@
V(AccessArgumentsAt) \
V(AddI) \
V(Allocate) \
+ V(AllocateBlockContext) \
V(ApplyArguments) \
V(ArgumentsElements) \
V(ArgumentsLength) \
@@ -138,6 +139,7 @@
V(StackCheck) \
V(StoreCodeEntry) \
V(StoreContextSlot) \
+ V(StoreFrameContext) \
V(StoreGlobalCell) \
V(StoreKeyed) \
V(StoreKeyedGeneric) \
@@ -2626,6 +2628,35 @@
};
+class LStoreFrameContext: public LTemplateInstruction<0, 1, 0> {
+ public:
+ explicit LStoreFrameContext(LOperand* context) {
+ inputs_[0] = context;
+ }
+
+ LOperand* context() { return inputs_[0]; }
+
+ DECLARE_CONCRETE_INSTRUCTION(StoreFrameContext, "store-frame-context")
+};
+
+
+class LAllocateBlockContext: public LTemplateInstruction<1, 2, 0> {
+ public:
+ LAllocateBlockContext(LOperand* context, LOperand* function) {
+ inputs_[0] = context;
+ inputs_[1] = function;
+ }
+
+ LOperand* context() { return inputs_[0]; }
+ LOperand* function() { return inputs_[1]; }
+
+ Handle<ScopeInfo> scope_info() { return hydrogen()->scope_info(); }
+
+
DECLARE_CONCRETE_INSTRUCTION(AllocateBlockContext, "allocate-block-context")
+ DECLARE_HYDROGEN_ACCESSOR(AllocateBlockContext)
+};
+
+
class LChunkBuilder;
class LPlatformChunk V8_FINAL : public LChunk {
public:
--
--
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