summaryrefslogtreecommitdiff
path: root/chromium/v8/src/wasm/baseline/liftoff-assembler-defs.h
blob: 781fb87dbcf425f441d69a420abaf158cc9c4efa (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
// Copyright 2017 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_WASM_BASELINE_LIFTOFF_ASSEMBLER_DEFS_H_
#define V8_WASM_BASELINE_LIFTOFF_ASSEMBLER_DEFS_H_

#include "src/codegen/assembler-arch.h"
#include "src/codegen/reglist.h"

namespace v8 {
namespace internal {
namespace wasm {

#if V8_TARGET_ARCH_IA32

// Omit ebx, which is the root register.
constexpr RegList kLiftoffAssemblerGpCacheRegs =
    Register::ListOf(eax, ecx, edx, esi, edi);

// Omit xmm7, which is the kScratchDoubleReg.
constexpr RegList kLiftoffAssemblerFpCacheRegs =
    DoubleRegister::ListOf(xmm0, xmm1, xmm2, xmm3, xmm4, xmm5, xmm6);

#elif V8_TARGET_ARCH_X64

constexpr RegList kLiftoffAssemblerGpCacheRegs =
    Register::ListOf(rax, rcx, rdx, rbx, rsi, rdi, r9);

constexpr RegList kLiftoffAssemblerFpCacheRegs =
    DoubleRegister::ListOf(xmm0, xmm1, xmm2, xmm3, xmm4, xmm5, xmm6, xmm7);

#elif V8_TARGET_ARCH_MIPS

constexpr RegList kLiftoffAssemblerGpCacheRegs =
    Register::ListOf(a0, a1, a2, a3, t0, t1, t2, t3, t4, t5, t6, s7, v0, v1);

constexpr RegList kLiftoffAssemblerFpCacheRegs = DoubleRegister::ListOf(
    f0, f2, f4, f6, f8, f10, f12, f14, f16, f18, f20, f22, f24);

#elif V8_TARGET_ARCH_MIPS64

constexpr RegList kLiftoffAssemblerGpCacheRegs =
    Register::ListOf(a0, a1, a2, a3, a4, a5, a6, a7, t0, t1, t2, s7, v0, v1);

constexpr RegList kLiftoffAssemblerFpCacheRegs = DoubleRegister::ListOf(
    f0, f2, f4, f6, f8, f10, f12, f14, f16, f18, f20, f22, f24, f26);

#elif V8_TARGET_ARCH_ARM

// r7: cp, r10: root, r11: fp, r12: ip, r13: sp, r14: lr, r15: pc.
constexpr RegList kLiftoffAssemblerGpCacheRegs =
    Register::ListOf(r0, r1, r2, r3, r4, r5, r6, r8, r9);

// d13: zero, d14-d15: scratch
constexpr RegList kLiftoffAssemblerFpCacheRegs = LowDwVfpRegister::ListOf(
    d0, d1, d2, d3, d4, d5, d6, d7, d8, d9, d10, d11, d12);

#elif V8_TARGET_ARCH_ARM64

// x16: ip0, x17: ip1, x18: platform register, x26: root, x27: cp, x29: fp,
// x30: lr, x31: xzr.
constexpr RegList kLiftoffAssemblerGpCacheRegs =
    CPURegister::ListOf(x0, x1, x2, x3, x4, x5, x6, x7, x8, x9, x10, x11, x12,
                        x13, x14, x15, x19, x20, x21, x22, x23, x24, x25, x28);

// d15: fp_zero, d30-d31: macro-assembler scratch V Registers.
constexpr RegList kLiftoffAssemblerFpCacheRegs = CPURegister::ListOf(
    d0, d1, d2, d3, d4, d5, d6, d7, d8, d9, d10, d11, d12, d13, d14, d16, d17,
    d18, d19, d20, d21, d22, d23, d24, d25, d26, d27, d28, d29);

#else

constexpr RegList kLiftoffAssemblerGpCacheRegs = 0xff;

constexpr RegList kLiftoffAssemblerFpCacheRegs = 0xff;

#endif

#if V8_TARGET_ARCH_IA32 || V8_TARGET_ARCH_X64

constexpr Condition kEqual = equal;
constexpr Condition kUnequal = not_equal;
constexpr Condition kSignedLessThan = less;
constexpr Condition kSignedLessEqual = less_equal;
constexpr Condition kSignedGreaterThan = greater;
constexpr Condition kSignedGreaterEqual = greater_equal;
constexpr Condition kUnsignedLessThan = below;
constexpr Condition kUnsignedLessEqual = below_equal;
constexpr Condition kUnsignedGreaterThan = above;
constexpr Condition kUnsignedGreaterEqual = above_equal;

#elif V8_TARGET_ARCH_MIPS || V8_TARGET_ARCH_MIPS64

constexpr Condition kEqual = eq;
constexpr Condition kUnequal = ne;
constexpr Condition kSignedLessThan = lt;
constexpr Condition kSignedLessEqual = le;
constexpr Condition kSignedGreaterThan = gt;
constexpr Condition kSignedGreaterEqual = ge;
constexpr Condition kUnsignedLessThan = ult;
constexpr Condition kUnsignedLessEqual = ule;
constexpr Condition kUnsignedGreaterThan = ugt;
constexpr Condition kUnsignedGreaterEqual = uge;

#elif V8_TARGET_ARCH_ARM || V8_TARGET_ARCH_ARM64

constexpr Condition kEqual = eq;
constexpr Condition kUnequal = ne;
constexpr Condition kSignedLessThan = lt;
constexpr Condition kSignedLessEqual = le;
constexpr Condition kSignedGreaterThan = gt;
constexpr Condition kSignedGreaterEqual = ge;
constexpr Condition kUnsignedLessThan = lo;
constexpr Condition kUnsignedLessEqual = ls;
constexpr Condition kUnsignedGreaterThan = hi;
constexpr Condition kUnsignedGreaterEqual = hs;

#else

// On unimplemented platforms, just make this compile.
constexpr Condition kEqual = static_cast<Condition>(0);
constexpr Condition kUnequal = static_cast<Condition>(0);
constexpr Condition kSignedLessThan = static_cast<Condition>(0);
constexpr Condition kSignedLessEqual = static_cast<Condition>(0);
constexpr Condition kSignedGreaterThan = static_cast<Condition>(0);
constexpr Condition kSignedGreaterEqual = static_cast<Condition>(0);
constexpr Condition kUnsignedLessThan = static_cast<Condition>(0);
constexpr Condition kUnsignedLessEqual = static_cast<Condition>(0);
constexpr Condition kUnsignedGreaterThan = static_cast<Condition>(0);
constexpr Condition kUnsignedGreaterEqual = static_cast<Condition>(0);

#endif

}  // namespace wasm
}  // namespace internal
}  // namespace v8

#endif  // V8_WASM_BASELINE_LIFTOFF_ASSEMBLER_DEFS_H_