Reviewers: danno, Benedikt Meurer, Paul Lind, kisg, palfia,
Description:
MIPS: Add HLoadRoot hydrogen instruction.
Port r16807 (257f48f)
BUG=
Please review this at https://codereview.chromium.org/24134004/
SVN Base: https://github.com/v8/v8.git@gbl
Affected files (+21, -0 lines):
M src/mips/lithium-codegen-mips.cc
M src/mips/lithium-mips.h
M src/mips/lithium-mips.cc
Index: src/mips/lithium-codegen-mips.cc
diff --git a/src/mips/lithium-codegen-mips.cc
b/src/mips/lithium-codegen-mips.cc
index
80c20512a050e9a78be660d83df6785bdcbce494..6f82e1bd75d77d9362318cec51cb23be206f7cd1
100644
--- a/src/mips/lithium-codegen-mips.cc
+++ b/src/mips/lithium-codegen-mips.cc
@@ -3002,6 +3002,12 @@ void
LCodeGen::DoLoadFunctionPrototype(LLoadFunctionPrototype* instr) {
}
+void LCodeGen::DoLoadRoot(LLoadRoot* instr) {
+ Register result = ToRegister(instr->result());
+ __ LoadRoot(result, instr->index());
+}
+
+
void LCodeGen::DoLoadExternalArrayPointer(
LLoadExternalArrayPointer* instr) {
Register to_reg = ToRegister(instr->result());
Index: src/mips/lithium-mips.cc
diff --git a/src/mips/lithium-mips.cc b/src/mips/lithium-mips.cc
index
a7319aeb5e70b3477d1903f4f905a0f612d37044..4f18a5e9d11d40702d53fcf52caf67efbc4ad10f
100644
--- a/src/mips/lithium-mips.cc
+++ b/src/mips/lithium-mips.cc
@@ -2071,6 +2071,11 @@ LInstruction* LChunkBuilder::DoLoadFunctionPrototype(
}
+LInstruction* LChunkBuilder::DoLoadRoot(HLoadRoot* instr) {
+ return DefineAsRegister(new(zone()) LLoadRoot);
+}
+
+
LInstruction* LChunkBuilder::DoLoadExternalArrayPointer(
HLoadExternalArrayPointer* instr) {
LOperand* input = UseRegisterAtStart(instr->value());
Index: src/mips/lithium-mips.h
diff --git a/src/mips/lithium-mips.h b/src/mips/lithium-mips.h
index
3ab8f37a15fced123b33c020c785a9c4a4a47462..cfc0909e9d0b1c32933cc2dd0d43d3aa916ec61e
100644
--- a/src/mips/lithium-mips.h
+++ b/src/mips/lithium-mips.h
@@ -119,6 +119,7 @@ class LCodeGen;
V(LazyBailout) \
V(LoadContextSlot) \
V(LoadExternalArrayPointer) \
+ V(LoadRoot) \
V(LoadFieldByIndex) \
V(LoadFunctionPrototype) \
V(LoadGlobalCell) \
@@ -1559,6 +1560,15 @@ class LLoadFunctionPrototype V8_FINAL : public
LTemplateInstruction<1, 1, 0> {
};
+class LLoadRoot V8_FINAL : public LTemplateInstruction<1, 0, 0> {
+ public:
+ DECLARE_CONCRETE_INSTRUCTION(LoadRoot, "load-root")
+ DECLARE_HYDROGEN_ACCESSOR(LoadRoot)
+
+ Heap::RootListIndex index() const { return hydrogen()->index(); }
+};
+
+
class LLoadExternalArrayPointer V8_FINAL
: public LTemplateInstruction<1, 1, 0> {
public:
--
--
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