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Unified Diff: src/arm/lithium-arm.h

Issue 11293061: Emit VMLA for multiply-add on ARM (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Address review comments Created 8 years, 1 month ago
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Index: src/arm/lithium-arm.h
diff --git a/src/arm/lithium-arm.h b/src/arm/lithium-arm.h
index 0ba5e45a8fe1c67b99c9e197d89c53a088410fc5..678d07740bb0f36099800424eb8e134d3a55a5e8 100644
--- a/src/arm/lithium-arm.h
+++ b/src/arm/lithium-arm.h
@@ -135,6 +135,7 @@ class LCodeGen;
V(MathMinMax) \
V(ModI) \
V(MulI) \
+ V(MultiplyAddD) \
V(NumberTagD) \
V(NumberTagI) \
V(NumberTagU) \
@@ -621,6 +622,24 @@ class LMulI: public LTemplateInstruction<1, 2, 1> {
};
+// Instruction for computing multiplier * multiplicand + addend.
+class LMultiplyAddD: public LTemplateInstruction<1, 3, 0> {
+ public:
+ LMultiplyAddD(LOperand* addend, LOperand* multiplier,
+ LOperand* multiplicand) {
+ inputs_[0] = addend;
+ inputs_[1] = multiplier;
+ inputs_[2] = multiplicand;
+ }
+
+ LOperand* addend() { return inputs_[0]; }
+ LOperand* multiplier() { return inputs_[1]; }
+ LOperand* multiplicand() { return inputs_[2]; }
+
+ DECLARE_CONCRETE_INSTRUCTION(MultiplyAddD, "multiply-add-d")
+};
+
+
class LCmpIDAndBranch: public LControlInstruction<2, 0> {
public:
LCmpIDAndBranch(LOperand* left, LOperand* right) {
@@ -2396,6 +2415,8 @@ class LChunkBuilder BASE_EMBEDDED {
HYDROGEN_CONCRETE_INSTRUCTION_LIST(DECLARE_DO)
#undef DECLARE_DO
+ LInstruction* DoMultiplyAdd(HMul* mul, HValue* addend);
+
static bool HasMagicNumberForDivisor(int32_t divisor);
static HValue* SimplifiedDividendForMathFloorOfDiv(HValue* val);
static HValue* SimplifiedDivisorForMathFloorOfDiv(HValue* val);
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