1// Copyright 2017 the V8 project authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#ifndef V8_WASM_BASELINE_LIFTOFF_ASSEMBLER_DEFS_H_
6#define V8_WASM_BASELINE_LIFTOFF_ASSEMBLER_DEFS_H_
7
8#include "src/assembler-arch.h"
9#include "src/reglist.h"
10
11namespace v8 {
12namespace internal {
13namespace wasm {
14
15#if V8_TARGET_ARCH_IA32
16
17constexpr RegList kLiftoffAssemblerGpCacheRegs =
18 Register::ListOf<eax, ecx, edx, esi, edi>();
19
20// Omit xmm7, which is the kScratchDoubleReg.
21constexpr RegList kLiftoffAssemblerFpCacheRegs =
22 DoubleRegister::ListOf<xmm0, xmm1, xmm2, xmm3, xmm4, xmm5, xmm6>();
23
24#elif V8_TARGET_ARCH_X64
25
26constexpr RegList kLiftoffAssemblerGpCacheRegs =
27 Register::ListOf<rax, rcx, rdx, rbx, rsi, rdi, r9>();
28
29constexpr RegList kLiftoffAssemblerFpCacheRegs =
30 DoubleRegister::ListOf<xmm0, xmm1, xmm2, xmm3, xmm4, xmm5, xmm6, xmm7>();
31
32#elif V8_TARGET_ARCH_MIPS
33
34constexpr RegList kLiftoffAssemblerGpCacheRegs =
35 Register::ListOf<a0, a1, a2, a3, t0, t1, t2, t3, t4, t5, t6, s7, v0, v1>();
36
37constexpr RegList kLiftoffAssemblerFpCacheRegs =
38 DoubleRegister::ListOf<f0, f2, f4, f6, f8, f10, f12, f14, f16, f18, f20,
39 f22, f24>();
40
41#elif V8_TARGET_ARCH_MIPS64
42
43constexpr RegList kLiftoffAssemblerGpCacheRegs =
44 Register::ListOf<a0, a1, a2, a3, a4, a5, a6, a7, t0, t1, t2, s7, v0, v1>();
45
46constexpr RegList kLiftoffAssemblerFpCacheRegs =
47 DoubleRegister::ListOf<f0, f2, f4, f6, f8, f10, f12, f14, f16, f18, f20,
48 f22, f24, f26>();
49
50#elif V8_TARGET_ARCH_ARM
51
52// r7: cp, r10: root, r11: fp, r12: ip, r13: sp, r14: lr, r15: pc.
53constexpr RegList kLiftoffAssemblerGpCacheRegs =
54 Register::ListOf<r0, r1, r2, r3, r4, r5, r6, r8, r9>();
55
56// d13: zero, d14-d15: scratch
57constexpr RegList kLiftoffAssemblerFpCacheRegs =
58 LowDwVfpRegister::ListOf<d0, d1, d2, d3, d4, d5, d6, d7, d8, d9, d10, d11,
59 d12>();
60
61#elif V8_TARGET_ARCH_ARM64
62
63// x16: ip0, x17: ip1, x26: root, x27: cp, x29: fp, x30: lr, x31: xzr.
64constexpr RegList kLiftoffAssemblerGpCacheRegs =
65 CPURegister::ListOf<x0, x1, x2, x3, x4, x5, x6, x7, x8, x9, x10, x11, x12,
66 x13, x14, x15, x18, x19, x20, x21, x22, x23, x24, x25,
67 x28>();
68
69// d15: fp_zero, d30-d31: macro-assembler scratch V Registers.
70constexpr RegList kLiftoffAssemblerFpCacheRegs =
71 CPURegister::ListOf<d0, d1, d2, d3, d4, d5, d6, d7, d8, d9, d10, d11, d12,
72 d13, d14, d16, d17, d18, d19, d20, d21, d22, d23, d24,
73 d25, d26, d27, d28, d29>();
74
75#else
76
77constexpr RegList kLiftoffAssemblerGpCacheRegs = 0xff;
78
79constexpr RegList kLiftoffAssemblerFpCacheRegs = 0xff;
80
81#endif
82
83#if V8_TARGET_ARCH_IA32 || V8_TARGET_ARCH_X64
84
85constexpr Condition kEqual = equal;
86constexpr Condition kUnequal = not_equal;
87constexpr Condition kSignedLessThan = less;
88constexpr Condition kSignedLessEqual = less_equal;
89constexpr Condition kSignedGreaterThan = greater;
90constexpr Condition kSignedGreaterEqual = greater_equal;
91constexpr Condition kUnsignedLessThan = below;
92constexpr Condition kUnsignedLessEqual = below_equal;
93constexpr Condition kUnsignedGreaterThan = above;
94constexpr Condition kUnsignedGreaterEqual = above_equal;
95
96#elif V8_TARGET_ARCH_MIPS || V8_TARGET_ARCH_MIPS64
97
98constexpr Condition kEqual = eq;
99constexpr Condition kUnequal = ne;
100constexpr Condition kSignedLessThan = lt;
101constexpr Condition kSignedLessEqual = le;
102constexpr Condition kSignedGreaterThan = gt;
103constexpr Condition kSignedGreaterEqual = ge;
104constexpr Condition kUnsignedLessThan = ult;
105constexpr Condition kUnsignedLessEqual = ule;
106constexpr Condition kUnsignedGreaterThan = ugt;
107constexpr Condition kUnsignedGreaterEqual = uge;
108
109#elif V8_TARGET_ARCH_ARM || V8_TARGET_ARCH_ARM64
110
111constexpr Condition kEqual = eq;
112constexpr Condition kUnequal = ne;
113constexpr Condition kSignedLessThan = lt;
114constexpr Condition kSignedLessEqual = le;
115constexpr Condition kSignedGreaterThan = gt;
116constexpr Condition kSignedGreaterEqual = ge;
117constexpr Condition kUnsignedLessThan = lo;
118constexpr Condition kUnsignedLessEqual = ls;
119constexpr Condition kUnsignedGreaterThan = hi;
120constexpr Condition kUnsignedGreaterEqual = hs;
121
122#else
123
124// On unimplemented platforms, just make this compile.
125constexpr Condition kEqual = static_cast<Condition>(0);
126constexpr Condition kUnequal = static_cast<Condition>(0);
127constexpr Condition kSignedLessThan = static_cast<Condition>(0);
128constexpr Condition kSignedLessEqual = static_cast<Condition>(0);
129constexpr Condition kSignedGreaterThan = static_cast<Condition>(0);
130constexpr Condition kSignedGreaterEqual = static_cast<Condition>(0);
131constexpr Condition kUnsignedLessThan = static_cast<Condition>(0);
132constexpr Condition kUnsignedLessEqual = static_cast<Condition>(0);
133constexpr Condition kUnsignedGreaterThan = static_cast<Condition>(0);
134constexpr Condition kUnsignedGreaterEqual = static_cast<Condition>(0);
135
136#endif
137
138} // namespace wasm
139} // namespace internal
140} // namespace v8
141
142#endif // V8_WASM_BASELINE_LIFTOFF_ASSEMBLER_DEFS_H_
143