V8 API Reference, 7.2.502.16 (for Deno 0.2.4)
liftoff-assembler-defs.h
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_
v8
Definition: libplatform.h:13