Adding upstream version 110.0.1.upstream/110.0.1upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 308 insertions, 0 deletions

diff --git a/js/src/jit/x86/LIR-x86.h b/js/src/jit/x86/LIR-x86.h
new file mode 100644
index 0000000000..c7c9587e20
--- /dev/null
+++ b/js/src/jit/x86/LIR-x86.h
@@ -0,0 +1,308 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+ * vim: set ts=8 sts=2 et sw=2 tw=80:
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef jit_x86_LIR_x86_h
+#define jit_x86_LIR_x86_h
+
+namespace js {
+namespace jit {
+
+class LBoxFloatingPoint : public LInstructionHelper<2, 1, 2> {
+  MIRType type_;
+
+ public:
+  LIR_HEADER(BoxFloatingPoint);
+
+  LBoxFloatingPoint(const LAllocation& in, const LDefinition& temp,
+                    const LDefinition& spectreTemp, MIRType type)
+      : LInstructionHelper(classOpcode), type_(type) {
+    MOZ_ASSERT(IsFloatingPointType(type));
+    setOperand(0, in);
+    setTemp(0, temp);
+    setTemp(1, spectreTemp);
+  }
+
+  const LDefinition* spectreTemp() { return getTemp(1); }
+
+  MIRType type() const { return type_; }
+  const char* extraName() const { return StringFromMIRType(type_); }
+};
+
+class LUnbox : public LInstructionHelper<1, 2, 0> {
+ public:
+  LIR_HEADER(Unbox);
+
+  LUnbox() : LInstructionHelper(classOpcode) {}
+
+  MUnbox* mir() const { return mir_->toUnbox(); }
+  const LAllocation* payload() { return getOperand(0); }
+  const LAllocation* type() { return getOperand(1); }
+  const char* extraName() const { return StringFromMIRType(mir()->type()); }
+};
+
+class LUnboxFloatingPoint : public LInstructionHelper<1, 2, 0> {
+  MIRType type_;
+
+ public:
+  LIR_HEADER(UnboxFloatingPoint);
+
+  static const size_t Input = 0;
+
+  LUnboxFloatingPoint(const LBoxAllocation& input, MIRType type)
+      : LInstructionHelper(classOpcode), type_(type) {
+    setBoxOperand(Input, input);
+  }
+
+  MUnbox* mir() const { return mir_->toUnbox(); }
+
+  MIRType type() const { return type_; }
+  const char* extraName() const { return StringFromMIRType(type_); }
+};
+
+// Convert a 32-bit unsigned integer to a double.
+class LWasmUint32ToDouble : public LInstructionHelper<1, 1, 1> {
+ public:
+  LIR_HEADER(WasmUint32ToDouble)
+
+  LWasmUint32ToDouble(const LAllocation& input, const LDefinition& temp)
+      : LInstructionHelper(classOpcode) {
+    setOperand(0, input);
+    setTemp(0, temp);
+  }
+  const LDefinition* temp() { return getTemp(0); }
+};
+
+// Convert a 32-bit unsigned integer to a float32.
+class LWasmUint32ToFloat32 : public LInstructionHelper<1, 1, 1> {
+ public:
+  LIR_HEADER(WasmUint32ToFloat32)
+
+  LWasmUint32ToFloat32(const LAllocation& input, const LDefinition& temp)
+      : LInstructionHelper(classOpcode) {
+    setOperand(0, input);
+    setTemp(0, temp);
+  }
+  const LDefinition* temp() { return getTemp(0); }
+};
+
+class LDivOrModI64
+    : public LCallInstructionHelper<INT64_PIECES, INT64_PIECES * 2 + 1, 0> {
+ public:
+  LIR_HEADER(DivOrModI64)
+
+  static const size_t Lhs = 0;
+  static const size_t Rhs = INT64_PIECES;
+  static const size_t Instance = 2 * INT64_PIECES;
+
+  LDivOrModI64(const LInt64Allocation& lhs, const LInt64Allocation& rhs,
+               const LAllocation& instance)
+      : LCallInstructionHelper(classOpcode) {
+    setInt64Operand(Lhs, lhs);
+    setInt64Operand(Rhs, rhs);
+    setOperand(Instance, instance);
+  }
+
+  MDefinition* mir() const {
+    MOZ_ASSERT(mir_->isWasmBuiltinDivI64() || mir_->isWasmBuiltinModI64());
+    return mir_;
+  }
+  bool canBeDivideByZero() const {
+    if (mir_->isWasmBuiltinModI64()) {
+      return mir_->toWasmBuiltinModI64()->canBeDivideByZero();
+    }
+    return mir_->toWasmBuiltinDivI64()->canBeDivideByZero();
+  }
+  bool canBeNegativeOverflow() const {
+    if (mir_->isWasmBuiltinModI64()) {
+      return mir_->toWasmBuiltinModI64()->canBeNegativeDividend();
+    }
+    return mir_->toWasmBuiltinDivI64()->canBeNegativeOverflow();
+  }
+  wasm::BytecodeOffset bytecodeOffset() const {
+    MOZ_ASSERT(mir_->isWasmBuiltinDivI64() || mir_->isWasmBuiltinModI64());
+    if (mir_->isWasmBuiltinModI64()) {
+      return mir_->toWasmBuiltinModI64()->bytecodeOffset();
+    }
+    return mir_->toWasmBuiltinDivI64()->bytecodeOffset();
+  }
+};
+
+class LUDivOrModI64
+    : public LCallInstructionHelper<INT64_PIECES, INT64_PIECES * 2 + 1, 0> {
+ public:
+  LIR_HEADER(UDivOrModI64)
+
+  static const size_t Lhs = 0;
+  static const size_t Rhs = INT64_PIECES;
+  static const size_t Instance = 2 * INT64_PIECES;
+
+  LUDivOrModI64(const LInt64Allocation& lhs, const LInt64Allocation& rhs,
+                const LAllocation& instance)
+      : LCallInstructionHelper(classOpcode) {
+    setInt64Operand(Lhs, lhs);
+    setInt64Operand(Rhs, rhs);
+    setOperand(Instance, instance);
+  }
+
+  MDefinition* mir() const {
+    MOZ_ASSERT(mir_->isWasmBuiltinDivI64() || mir_->isWasmBuiltinModI64());
+    return mir_;
+  }
+  bool canBeDivideByZero() const {
+    if (mir_->isWasmBuiltinModI64()) {
+      return mir_->toWasmBuiltinModI64()->canBeDivideByZero();
+    }
+    return mir_->toWasmBuiltinDivI64()->canBeDivideByZero();
+  }
+  bool canBeNegativeOverflow() const {
+    if (mir_->isWasmBuiltinModI64()) {
+      return mir_->toWasmBuiltinModI64()->canBeNegativeDividend();
+    }
+    return mir_->toWasmBuiltinDivI64()->canBeNegativeOverflow();
+  }
+  wasm::BytecodeOffset bytecodeOffset() const {
+    MOZ_ASSERT(mir_->isWasmBuiltinDivI64() || mir_->isWasmBuiltinModI64());
+    if (mir_->isWasmBuiltinModI64()) {
+      return mir_->toWasmBuiltinModI64()->bytecodeOffset();
+    }
+    return mir_->toWasmBuiltinDivI64()->bytecodeOffset();
+  }
+};
+
+class LWasmTruncateToInt64 : public LInstructionHelper<INT64_PIECES, 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); }
+};
+
+class LWasmAtomicLoadI64 : public LInstructionHelper<INT64_PIECES, 2, 2> {
+ public:
+  LIR_HEADER(WasmAtomicLoadI64);
+
+  LWasmAtomicLoadI64(const LAllocation& memoryBase, const LAllocation& ptr,
+                     const LDefinition& t1, const LDefinition& t2)
+      : LInstructionHelper(classOpcode) {
+    setOperand(0, memoryBase);
+    setOperand(1, ptr);
+    setTemp(0, t1);
+    setTemp(1, t2);
+  }
+
+  MWasmLoad* mir() const { return mir_->toWasmLoad(); }
+  const LAllocation* memoryBase() { return getOperand(0); }
+  const LAllocation* ptr() { return getOperand(1); }
+  const LDefinition* t1() { return getTemp(0); }
+  const LDefinition* t2() { return getTemp(1); }
+};
+
+class LWasmAtomicStoreI64 : public LInstructionHelper<0, 2 + INT64_PIECES, 2> {
+ public:
+  LIR_HEADER(WasmAtomicStoreI64);
+
+  LWasmAtomicStoreI64(const LAllocation& memoryBase, const LAllocation& ptr,
+                      const LInt64Allocation& value, const LDefinition& t1,
+                      const LDefinition& t2)
+      : LInstructionHelper(classOpcode) {
+    setOperand(0, memoryBase);
+    setOperand(1, ptr);
+    setInt64Operand(2, value);
+    setTemp(0, t1);
+    setTemp(1, t2);
+  }
+
+  MWasmStore* mir() const { return mir_->toWasmStore(); }
+  const LAllocation* memoryBase() { return getOperand(0); }
+  const LAllocation* ptr() { return getOperand(1); }
+  const LInt64Allocation value() { return getInt64Operand(2); }
+  const LDefinition* t1() { return getTemp(0); }
+  const LDefinition* t2() { return getTemp(1); }
+};
+
+class LWasmCompareExchangeI64
+    : public LInstructionHelper<INT64_PIECES, 2 + 2 * INT64_PIECES, 0> {
+ public:
+  LIR_HEADER(WasmCompareExchangeI64);
+
+  LWasmCompareExchangeI64(const LAllocation& memoryBase, const LAllocation& ptr,
+                          const LInt64Allocation& expected,
+                          const LInt64Allocation& replacement)
+      : LInstructionHelper(classOpcode) {
+    setOperand(0, memoryBase);
+    setOperand(1, ptr);
+    setInt64Operand(2, expected);
+    setInt64Operand(2 + INT64_PIECES, replacement);
+  }
+
+  MWasmCompareExchangeHeap* mir() const {
+    return mir_->toWasmCompareExchangeHeap();
+  }
+  const LAllocation* memoryBase() { return getOperand(0); }
+  const LAllocation* ptr() { return getOperand(1); }
+  const LInt64Allocation expected() { return getInt64Operand(2); }
+  const LInt64Allocation replacement() {
+    return getInt64Operand(2 + INT64_PIECES);
+  }
+};
+
+class LWasmAtomicExchangeI64
+    : public LInstructionHelper<INT64_PIECES, 2 + INT64_PIECES, 0> {
+  const wasm::MemoryAccessDesc& access_;
+
+ public:
+  LIR_HEADER(WasmAtomicExchangeI64);
+
+  LWasmAtomicExchangeI64(const LAllocation& memoryBase, const LAllocation& ptr,
+                         const LInt64Allocation& value,
+                         const wasm::MemoryAccessDesc& access)
+      : LInstructionHelper(classOpcode), access_(access) {
+    setOperand(0, memoryBase);
+    setOperand(1, ptr);
+    setInt64Operand(2, value);
+  }
+
+  const LAllocation* memoryBase() { return getOperand(0); }
+  const LAllocation* ptr() { return getOperand(1); }
+  const LInt64Allocation value() { return getInt64Operand(2); }
+  const wasm::MemoryAccessDesc& access() { return access_; }
+};
+
+class LWasmAtomicBinopI64
+    : public LInstructionHelper<INT64_PIECES, 2 + INT64_PIECES, 0> {
+  const wasm::MemoryAccessDesc& access_;
+  AtomicOp op_;
+
+ public:
+  LIR_HEADER(WasmAtomicBinopI64);
+
+  LWasmAtomicBinopI64(const LAllocation& memoryBase, const LAllocation& ptr,
+                      const LInt64Allocation& value,
+                      const wasm::MemoryAccessDesc& access, AtomicOp op)
+      : LInstructionHelper(classOpcode), access_(access), op_(op) {
+    setOperand(0, memoryBase);
+    setOperand(1, ptr);
+    setInt64Operand(2, value);
+  }
+
+  const LAllocation* memoryBase() { return getOperand(0); }
+  const LAllocation* ptr() { return getOperand(1); }
+  const LInt64Allocation value() { return getInt64Operand(2); }
+  const wasm::MemoryAccessDesc& access() { return access_; }
+  AtomicOp operation() const { return op_; }
+};
+
+}  // namespace jit
+}  // namespace js
+
+#endif /* jit_x86_LIR_x86_h */