X87: enable the X87 turbofan support.

src/compiler/x87/instruction-codes-x87.h

+// Copyright 2014 the V8 project authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef V8_COMPILER_X87_INSTRUCTION_CODES_X87_H_
+#define V8_COMPILER_X87_INSTRUCTION_CODES_X87_H_
+
+#include "src/compiler/instruction.h"
+#include "src/compiler/instruction-codes.h"
+namespace v8 {
+namespace internal {
+namespace compiler {
+
+// X87-specific opcodes that specify which assembly sequence to emit.
+// Most opcodes specify a single instruction.
+#define TARGET_ARCH_OPCODE_LIST(V) \
+  V(X87Add)                        \
+  V(X87And)                        \
+  V(X87Cmp)                        \
+  V(X87Test)                       \
+  V(X87Or)                         \
+  V(X87Xor)                        \
+  V(X87Sub)                        \
+  V(X87Imul)                       \
+  V(X87ImulHigh)                   \
+  V(X87UmulHigh)                   \
+  V(X87Idiv)                       \
+  V(X87Udiv)                       \
+  V(X87Not)                        \
+  V(X87Neg)                        \
+  V(X87Shl)                        \
+  V(X87Shr)                        \
+  V(X87Sar)                        \
+  V(X87Ror)                        \
+  V(X87Lzcnt)                      \
+  V(X87Float32Cmp)                 \
+  V(X87Float32Add)                 \
+  V(X87Float32Sub)                 \
+  V(X87Float32Mul)                 \
+  V(X87Float32Div)                 \
+  V(X87Float32Max)                 \
+  V(X87Float32Min)                 \
+  V(X87Float32Abs)                 \
+  V(X87Float32Sqrt)                \
+  V(X87LoadFloat64Constant)        \
+  V(X87Float64Add)                 \
+  V(X87Float64Sub)                 \
+  V(X87Float64Mul)                 \
+  V(X87Float64Div)                 \
+  V(X87Float64Mod)                 \
+  V(X87Float64Max)                 \
+  V(X87Float64Min)                 \
+  V(X87Float64Abs)                 \
+  V(X87Int32ToFloat64)             \
+  V(X87Float32ToFloat64)           \
+  V(X87Uint32ToFloat64)            \
+  V(X87Float64ToInt32)             \
+  V(X87Float64ToFloat32)           \
+  V(X87Float64ToUint32)            \
+  V(X87Float64ExtractHighWord32)   \
+  V(X87Float64ExtractLowWord32)    \
+  V(X87Float64InsertHighWord32)    \
+  V(X87Float64InsertLowWord32)     \
+  V(X87Float64Sqrt)                \
+  V(X87Float64Round)               \
+  V(X87Float64Cmp)                 \
+  V(X87Movsxbl)                    \
+  V(X87Movzxbl)                    \
+  V(X87Movb)                       \
+  V(X87Movsxwl)                    \
+  V(X87Movzxwl)                    \
+  V(X87Movw)                       \
+  V(X87Movl)                       \
+  V(X87Movss)                      \
+  V(X87Movsd)                      \
+  V(X87Lea)                        \
+  V(X87Push)                       \
+  V(X87PushFloat64)                \
+  V(X87PushFloat32)                \
+  V(X87StoreWriteBarrier)          \
+  V(X87StackCheck)
+
+
+// Addressing modes represent the "shape" of inputs to an instruction.
+// Many instructions support multiple addressing modes. Addressing modes
+// are encoded into the InstructionCode of the instruction and tell the
+// code generator after register allocation which assembler method to call.
+//
+// We use the following local notation for addressing modes:
+//
+// M = memory operand
+// R = base register
+// N = index register * N for N in {1, 2, 4, 8}
+// I = immediate displacement (int32_t)
+
+#define TARGET_ADDRESSING_MODE_LIST(V) \
+  V(MR)   /* [%r1            ] */      \
+  V(MRI)  /* [%r1         + K] */      \
+  V(MR1)  /* [%r1 + %r2*1    ] */      \
+  V(MR2)  /* [%r1 + %r2*2    ] */      \
+  V(MR4)  /* [%r1 + %r2*4    ] */      \
+  V(MR8)  /* [%r1 + %r2*8    ] */      \
+  V(MR1I) /* [%r1 + %r2*1 + K] */      \
+  V(MR2I) /* [%r1 + %r2*2 + K] */      \
+  V(MR4I) /* [%r1 + %r2*3 + K] */      \
+  V(MR8I) /* [%r1 + %r2*4 + K] */      \
+  V(M1)   /* [      %r2*1    ] */      \
+  V(M2)   /* [      %r2*2    ] */      \
+  V(M4)   /* [      %r2*4    ] */      \
+  V(M8)   /* [      %r2*8    ] */      \
+  V(M1I)  /* [      %r2*1 + K] */      \
+  V(M2I)  /* [      %r2*2 + K] */      \
+  V(M4I)  /* [      %r2*4 + K] */      \
+  V(M8I)  /* [      %r2*8 + K] */      \
+  V(MI)   /* [              K] */
+
+}  // namespace compiler
+}  // namespace internal
+}  // namespace v8
+
+#endif  // V8_COMPILER_X87_INSTRUCTION_CODES_X87_H_