Bug 1944011 - Part 28: Generate boilerplate for WasmTruncateToInt64. r=jandem

Differential Revision: https://phabricator.services.mozilla.com/D235801

Author: anba

js/src/jit/LIROps.yaml

@@ -4942,7 +4942,11 @@
   gen_boilerplate: false
 
 - name: WasmTruncateToInt64
-  gen_boilerplate: false
+  result_type: Int64
+  operands:
+    input: WordSized
+  num_temps: 1
+  mir_op: true
 
 - name: Int64ToFloatingPoint
   result_type: WordSized
@@ -4984,7 +4988,11 @@
   gen_boilerplate: false
 
 - name: WasmTruncateToInt64
-  gen_boilerplate: false
+  result_type: Int64
+  operands:
+    input: WordSized
+  num_temps: 1
+  mir_op: true
 
 - name: Int64ToFloatingPoint
   result_type: WordSized
@@ -5031,7 +5039,12 @@
   mir_op: BuiltinInt64ToFloatingPoint
 
 - name: WasmTruncateToInt64
-  gen_boilerplate: false
+  result_type: Int64
+  operands:
+    input: WordSized
+    instance: WordSized
+  call_instruction: true
+  mir_op: WasmBuiltinTruncateToInt64
 
 - name: WasmAtomicLoadI64
   gen_boilerplate: false
@@ -5072,7 +5085,10 @@
   gen_boilerplate: false
 
 - name: WasmTruncateToInt64
-  gen_boilerplate: false
+  result_type: Int64
+  operands:
+    input: WordSized
+  mir_op: true
 
 - name: Int64ToFloatingPoint
   result_type: WordSized
@@ -5098,7 +5114,10 @@
   gen_boilerplate: false
 
 - name: WasmTruncateToInt64
-  gen_boilerplate: false
+  result_type: Int64
+  operands:
+    input: WordSized
+  mir_op: true
 
 - name: Int64ToFloatingPoint
   result_type: WordSized
@@ -5149,7 +5168,10 @@
   gen_boilerplate: false
 
 - name: WasmTruncateToInt64
-  gen_boilerplate: false
+  result_type: Int64
+  operands:
+    input: WordSized
+  mir_op: true
 
 - name: Int64ToFloatingPoint
   result_type: WordSized
@@ -5193,7 +5215,10 @@
   gen_boilerplate: false
 
 - name: WasmTruncateToInt64
-  gen_boilerplate: false
+  result_type: Int64
+  operands:
+    input: WordSized
+  mir_op: true
 
 - name: Int64ToFloatingPoint
   result_type: WordSized
@@ -5225,7 +5250,10 @@
   gen_boilerplate: false
 
 - name: WasmTruncateToInt64
-  gen_boilerplate: false
+  result_type: Int64
+  operands:
+    input: WordSized
+  mir_op: true
 
 - name: Int64ToFloatingPoint
   result_type: WordSized

js/src/jit/arm/LIR-arm.h

@@ -267,27 +267,6 @@ class LSoftUDivOrMod : public LBinaryCallInstructionHelper<1, 0> {
   MInstruction* mir() { return mir_->toInstruction(); }
 };
 
-class LWasmTruncateToInt64 : public LCallInstructionHelper<INT64_PIECES, 2, 0> {
-  static const size_t Input = 0;
-  static const size_t Instance = 1;
-
- public:
-  LIR_HEADER(WasmTruncateToInt64);
-
-  LWasmTruncateToInt64(const LAllocation& in, const LAllocation& instance)
-      : LCallInstructionHelper(classOpcode) {
-    setOperand(Input, in);
-    setOperand(Instance, instance);
-  }
-
-  LAllocation* input() { return getOperand(Input); }
-  LAllocation* instance() { return getOperand(Instance); }
-
-  MWasmBuiltinTruncateToInt64* mir() const {
-    return mir_->toWasmBuiltinTruncateToInt64();
-  }
-};
-
 class LWasmAtomicLoadI64 : public LInstructionHelper<INT64_PIECES, 2, 0> {
  public:
   LIR_HEADER(WasmAtomicLoadI64);

js/src/jit/arm64/LIR-arm64.h

@@ -171,18 +171,6 @@ class LUMod : public LBinaryMath<0> {
   MMod* mir() { return mir_->toMod(); }
 };
 
-class LWasmTruncateToInt64 : public LInstructionHelper<1, 1, 0> {
- public:
-  LIR_HEADER(WasmTruncateToInt64);
-
-  explicit LWasmTruncateToInt64(const LAllocation& in)
-      : LInstructionHelper(classOpcode) {
-    setOperand(0, in);
-  }
-
-  MWasmTruncateToInt64* mir() const { return mir_->toWasmTruncateToInt64(); }
-};
-
 class LDivOrModI64 : public LBinaryMath<0> {
  public:
   LIR_HEADER(DivOrModI64)

js/src/jit/loong64/LIR-loong64.h

@@ -275,18 +275,6 @@ class LUDivOrModI64 : public LBinaryMath<1> {
   }
 };
 
-class LWasmTruncateToInt64 : public LInstructionHelper<1, 1, 0> {
- public:
-  LIR_HEADER(WasmTruncateToInt64);
-
-  explicit LWasmTruncateToInt64(const LAllocation& in)
-      : LInstructionHelper(classOpcode) {
-    setOperand(0, in);
-  }
-
-  MWasmTruncateToInt64* mir() const { return mir_->toWasmTruncateToInt64(); }
-};
-
 }  // namespace jit
 }  // namespace js
 

js/src/jit/mips32/LIR-mips32.h

@@ -139,18 +139,6 @@ class LUDivOrModI64
   }
 };
 
-class LWasmTruncateToInt64 : public LCallInstructionHelper<INT64_PIECES, 1, 0> {
- public:
-  LIR_HEADER(WasmTruncateToInt64);
-
-  explicit LWasmTruncateToInt64(const LAllocation& in)
-      : LCallInstructionHelper(classOpcode) {
-    setOperand(0, in);
-  }
-
-  MWasmTruncateToInt64* mir() const { return mir_->toWasmTruncateToInt64(); }
-};
-
 class LWasmAtomicLoadI64 : public LInstructionHelper<INT64_PIECES, 1, 0> {
  public:
   LIR_HEADER(WasmAtomicLoadI64);

js/src/jit/mips64/LIR-mips64.h

@@ -113,18 +113,6 @@ class LUDivOrModI64 : public LBinaryMath<1> {
   }
 };
 
-class LWasmTruncateToInt64 : public LInstructionHelper<1, 1, 0> {
- public:
-  LIR_HEADER(WasmTruncateToInt64);
-
-  explicit LWasmTruncateToInt64(const LAllocation& in)
-      : LInstructionHelper(classOpcode) {
-    setOperand(0, in);
-  }
-
-  MWasmTruncateToInt64* mir() const { return mir_->toWasmTruncateToInt64(); }
-};
-
 }  // namespace jit
 }  // namespace js
 

js/src/jit/riscv64/LIR-riscv64.h

@@ -275,18 +275,6 @@ class LUDivOrModI64 : public LBinaryMath<1> {
   }
 };
 
-class LWasmTruncateToInt64 : public LInstructionHelper<1, 1, 0> {
- public:
-  LIR_HEADER(WasmTruncateToInt64);
-
-  explicit LWasmTruncateToInt64(const LAllocation& in)
-      : LInstructionHelper(classOpcode) {
-    setOperand(0, in);
-  }
-
-  MWasmTruncateToInt64* mir() const { return mir_->toWasmTruncateToInt64(); }
-};
-
 }  // namespace jit
 }  // namespace js
 

js/src/jit/x64/CodeGenerator-x64.cpp

@@ -897,7 +897,7 @@ void CodeGenerator::visitWasmTruncateToInt64(LWasmTruncateToInt64* lir) {
   addOutOfLineCode(ool, mir);
 
   FloatRegister temp =
-      mir->isUnsigned() ? ToFloatRegister(lir->temp()) : InvalidFloatReg;
+      mir->isUnsigned() ? ToFloatRegister(lir->temp0()) : InvalidFloatReg;
 
   Label* oolEntry = ool->entry();
   Label* oolRejoin = ool->rejoin();

js/src/jit/x64/LIR-x64.h

@@ -122,21 +122,6 @@ class LUDivOrModI64 : public LBinaryMath<1> {
   }
 };
 
-class LWasmTruncateToInt64 : public LInstructionHelper<1, 1, 1> {
- public:
-  LIR_HEADER(WasmTruncateToInt64);
-
-  LWasmTruncateToInt64(const LAllocation& in, const LDefinition& temp)
-      : LInstructionHelper(classOpcode) {
-    setOperand(0, in);
-    setTemp(0, temp);
-  }
-
-  MWasmTruncateToInt64* mir() const { return mir_->toWasmTruncateToInt64(); }
-
-  const LDefinition* temp() { return getTemp(0); }
-};
-
 }  // namespace jit
 }  // namespace js
 

js/src/jit/x86/CodeGenerator-x86.cpp

@@ -1123,7 +1123,7 @@ void CodeGenerator::visitWasmTruncateToInt64(LWasmTruncateToInt64* lir) {
   Register64 output = ToOutRegister64(lir);
 
   MWasmTruncateToInt64* mir = lir->mir();
-  FloatRegister floatTemp = ToFloatRegister(lir->temp());
+  FloatRegister floatTemp = ToFloatRegister(lir->temp0());
 
   Label fail, convert;