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 | |
11 | namespace v8 { |
12 | namespace internal { |
13 | namespace wasm { |
14 | |
15 | #if V8_TARGET_ARCH_IA32 |
16 | |
17 | constexpr RegList kLiftoffAssemblerGpCacheRegs = |
18 | Register::ListOf<eax, ecx, edx, esi, edi>(); |
19 | |
20 | // Omit xmm7, which is the kScratchDoubleReg. |
21 | constexpr RegList kLiftoffAssemblerFpCacheRegs = |
22 | DoubleRegister::ListOf<xmm0, xmm1, xmm2, xmm3, xmm4, xmm5, xmm6>(); |
23 | |
24 | #elif V8_TARGET_ARCH_X64 |
25 | |
26 | constexpr RegList kLiftoffAssemblerGpCacheRegs = |
27 | Register::ListOf<rax, rcx, rdx, rbx, rsi, rdi, r9>(); |
28 | |
29 | constexpr RegList kLiftoffAssemblerFpCacheRegs = |
30 | DoubleRegister::ListOf<xmm0, xmm1, xmm2, xmm3, xmm4, xmm5, xmm6, xmm7>(); |
31 | |
32 | #elif V8_TARGET_ARCH_MIPS |
33 | |
34 | constexpr RegList kLiftoffAssemblerGpCacheRegs = |
35 | Register::ListOf<a0, a1, a2, a3, t0, t1, t2, t3, t4, t5, t6, s7, v0, v1>(); |
36 | |
37 | constexpr 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 | |
43 | constexpr RegList kLiftoffAssemblerGpCacheRegs = |
44 | Register::ListOf<a0, a1, a2, a3, a4, a5, a6, a7, t0, t1, t2, s7, v0, v1>(); |
45 | |
46 | constexpr 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. |
53 | constexpr RegList kLiftoffAssemblerGpCacheRegs = |
54 | Register::ListOf<r0, r1, r2, r3, r4, r5, r6, r8, r9>(); |
55 | |
56 | // d13: zero, d14-d15: scratch |
57 | constexpr 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. |
64 | constexpr 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. |
70 | constexpr 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 | |
77 | constexpr RegList kLiftoffAssemblerGpCacheRegs = 0xff; |
78 | |
79 | constexpr RegList kLiftoffAssemblerFpCacheRegs = 0xff; |
80 | |
81 | #endif |
82 | |
83 | #if V8_TARGET_ARCH_IA32 || V8_TARGET_ARCH_X64 |
84 | |
85 | constexpr Condition kEqual = equal; |
86 | constexpr Condition kUnequal = not_equal; |
87 | constexpr Condition kSignedLessThan = less; |
88 | constexpr Condition kSignedLessEqual = less_equal; |
89 | constexpr Condition kSignedGreaterThan = greater; |
90 | constexpr Condition kSignedGreaterEqual = greater_equal; |
91 | constexpr Condition kUnsignedLessThan = below; |
92 | constexpr Condition kUnsignedLessEqual = below_equal; |
93 | constexpr Condition kUnsignedGreaterThan = above; |
94 | constexpr Condition kUnsignedGreaterEqual = above_equal; |
95 | |
96 | #elif V8_TARGET_ARCH_MIPS || V8_TARGET_ARCH_MIPS64 |
97 | |
98 | constexpr Condition kEqual = eq; |
99 | constexpr Condition kUnequal = ne; |
100 | constexpr Condition kSignedLessThan = lt; |
101 | constexpr Condition kSignedLessEqual = le; |
102 | constexpr Condition kSignedGreaterThan = gt; |
103 | constexpr Condition kSignedGreaterEqual = ge; |
104 | constexpr Condition kUnsignedLessThan = ult; |
105 | constexpr Condition kUnsignedLessEqual = ule; |
106 | constexpr Condition kUnsignedGreaterThan = ugt; |
107 | constexpr Condition kUnsignedGreaterEqual = uge; |
108 | |
109 | #elif V8_TARGET_ARCH_ARM || V8_TARGET_ARCH_ARM64 |
110 | |
111 | constexpr Condition kEqual = eq; |
112 | constexpr Condition kUnequal = ne; |
113 | constexpr Condition kSignedLessThan = lt; |
114 | constexpr Condition kSignedLessEqual = le; |
115 | constexpr Condition kSignedGreaterThan = gt; |
116 | constexpr Condition kSignedGreaterEqual = ge; |
117 | constexpr Condition kUnsignedLessThan = lo; |
118 | constexpr Condition kUnsignedLessEqual = ls; |
119 | constexpr Condition kUnsignedGreaterThan = hi; |
120 | constexpr Condition kUnsignedGreaterEqual = hs; |
121 | |
122 | #else |
123 | |
124 | // On unimplemented platforms, just make this compile. |
125 | constexpr Condition kEqual = static_cast<Condition>(0); |
126 | constexpr Condition kUnequal = static_cast<Condition>(0); |
127 | constexpr Condition kSignedLessThan = static_cast<Condition>(0); |
128 | constexpr Condition kSignedLessEqual = static_cast<Condition>(0); |
129 | constexpr Condition kSignedGreaterThan = static_cast<Condition>(0); |
130 | constexpr Condition kSignedGreaterEqual = static_cast<Condition>(0); |
131 | constexpr Condition kUnsignedLessThan = static_cast<Condition>(0); |
132 | constexpr Condition kUnsignedLessEqual = static_cast<Condition>(0); |
133 | constexpr Condition kUnsignedGreaterThan = static_cast<Condition>(0); |
134 | constexpr 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 | |