attempt to fix build
[pcsx_rearmed.git] / deps / libchdr / deps / lzma-22.01 / src / Asm / x86 / XzCrc64Opt.asm
CommitLineData
9e052883 1; XzCrc64Opt.asm -- CRC64 calculation : optimized version\r
2; 2021-02-06 : Igor Pavlov : Public domain\r
3\r
4include 7zAsm.asm\r
5\r
6MY_ASM_START\r
7\r
8ifdef x64\r
9\r
10rD equ r9\r
11rN equ r10\r
12rT equ r5\r
13num_VAR equ r8\r
14\r
15SRCDAT4 equ dword ptr [rD + rN * 1]\r
16 \r
17CRC_XOR macro dest:req, src:req, t:req\r
18 xor dest, QWORD PTR [rT + src * 8 + 0800h * t]\r
19endm\r
20\r
21CRC1b macro\r
22 movzx x6, BYTE PTR [rD]\r
23 inc rD\r
24 movzx x3, x0_L\r
25 xor x6, x3\r
26 shr r0, 8\r
27 CRC_XOR r0, r6, 0\r
28 dec rN\r
29endm\r
30\r
31MY_PROLOG macro crc_end:req\r
32 ifdef ABI_LINUX\r
33 MY_PUSH_2_REGS\r
34 else\r
35 MY_PUSH_4_REGS\r
36 endif\r
37 mov r0, REG_ABI_PARAM_0\r
38 mov rN, REG_ABI_PARAM_2\r
39 mov rT, REG_ABI_PARAM_3\r
40 mov rD, REG_ABI_PARAM_1\r
41 test rN, rN\r
42 jz crc_end\r
43 @@:\r
44 test rD, 3\r
45 jz @F\r
46 CRC1b\r
47 jnz @B\r
48 @@:\r
49 cmp rN, 8\r
50 jb crc_end\r
51 add rN, rD\r
52 mov num_VAR, rN\r
53 sub rN, 4\r
54 and rN, NOT 3\r
55 sub rD, rN\r
56 mov x1, SRCDAT4\r
57 xor r0, r1\r
58 add rN, 4\r
59endm\r
60\r
61MY_EPILOG macro crc_end:req\r
62 sub rN, 4\r
63 mov x1, SRCDAT4\r
64 xor r0, r1\r
65 mov rD, rN\r
66 mov rN, num_VAR\r
67 sub rN, rD\r
68 crc_end:\r
69 test rN, rN\r
70 jz @F\r
71 CRC1b\r
72 jmp crc_end\r
73 @@:\r
74 ifdef ABI_LINUX\r
75 MY_POP_2_REGS\r
76 else\r
77 MY_POP_4_REGS\r
78 endif\r
79endm\r
80\r
81MY_PROC XzCrc64UpdateT4, 4\r
82 MY_PROLOG crc_end_4\r
83 align 16\r
84 main_loop_4:\r
85 mov x1, SRCDAT4\r
86 movzx x2, x0_L\r
87 movzx x3, x0_H\r
88 shr r0, 16\r
89 movzx x6, x0_L\r
90 movzx x7, x0_H\r
91 shr r0, 16\r
92 CRC_XOR r1, r2, 3\r
93 CRC_XOR r0, r3, 2\r
94 CRC_XOR r1, r6, 1\r
95 CRC_XOR r0, r7, 0\r
96 xor r0, r1\r
97\r
98 add rD, 4\r
99 jnz main_loop_4\r
100\r
101 MY_EPILOG crc_end_4\r
102MY_ENDP\r
103\r
104else\r
105; x86 (32-bit)\r
106\r
107rD equ r1\r
108rN equ r7\r
109rT equ r5\r
110\r
111crc_OFFS equ (REG_SIZE * 5)\r
112\r
113if (IS_CDECL gt 0) or (IS_LINUX gt 0)\r
114 ; cdecl or (GNU fastcall) stack:\r
115 ; (UInt32 *) table\r
116 ; size_t size\r
117 ; void * data\r
118 ; (UInt64) crc\r
119 ; ret-ip <-(r4)\r
120 data_OFFS equ (8 + crc_OFFS)\r
121 size_OFFS equ (REG_SIZE + data_OFFS)\r
122 table_OFFS equ (REG_SIZE + size_OFFS)\r
123 num_VAR equ [r4 + size_OFFS]\r
124 table_VAR equ [r4 + table_OFFS]\r
125else\r
126 ; Windows fastcall:\r
127 ; r1 = data, r2 = size\r
128 ; stack:\r
129 ; (UInt32 *) table\r
130 ; (UInt64) crc\r
131 ; ret-ip <-(r4)\r
132 table_OFFS equ (8 + crc_OFFS)\r
133 table_VAR equ [r4 + table_OFFS]\r
134 num_VAR equ table_VAR\r
135endif\r
136\r
137SRCDAT4 equ dword ptr [rD + rN * 1]\r
138\r
139CRC macro op0:req, op1:req, dest0:req, dest1:req, src:req, t:req\r
140 op0 dest0, DWORD PTR [rT + src * 8 + 0800h * t]\r
141 op1 dest1, DWORD PTR [rT + src * 8 + 0800h * t + 4]\r
142endm\r
143\r
144CRC_XOR macro dest0:req, dest1:req, src:req, t:req\r
145 CRC xor, xor, dest0, dest1, src, t\r
146endm\r
147\r
148\r
149CRC1b macro\r
150 movzx x6, BYTE PTR [rD]\r
151 inc rD\r
152 movzx x3, x0_L\r
153 xor x6, x3\r
154 shrd r0, r2, 8\r
155 shr r2, 8\r
156 CRC_XOR r0, r2, r6, 0\r
157 dec rN\r
158endm\r
159\r
160MY_PROLOG macro crc_end:req\r
161 MY_PUSH_4_REGS\r
162\r
163 if (IS_CDECL gt 0) or (IS_LINUX gt 0)\r
164 proc_numParams = proc_numParams + 2 ; for ABI_LINUX\r
165 mov rN, [r4 + size_OFFS]\r
166 mov rD, [r4 + data_OFFS]\r
167 else\r
168 mov rN, r2\r
169 endif\r
170\r
171 mov x0, [r4 + crc_OFFS]\r
172 mov x2, [r4 + crc_OFFS + 4]\r
173 mov rT, table_VAR\r
174 test rN, rN\r
175 jz crc_end\r
176 @@:\r
177 test rD, 3\r
178 jz @F\r
179 CRC1b\r
180 jnz @B\r
181 @@:\r
182 cmp rN, 8\r
183 jb crc_end\r
184 add rN, rD\r
185\r
186 mov num_VAR, rN\r
187\r
188 sub rN, 4\r
189 and rN, NOT 3\r
190 sub rD, rN\r
191 xor r0, SRCDAT4\r
192 add rN, 4\r
193endm\r
194\r
195MY_EPILOG macro crc_end:req\r
196 sub rN, 4\r
197 xor r0, SRCDAT4\r
198\r
199 mov rD, rN\r
200 mov rN, num_VAR\r
201 sub rN, rD\r
202 crc_end:\r
203 test rN, rN\r
204 jz @F\r
205 CRC1b\r
206 jmp crc_end\r
207 @@:\r
208 MY_POP_4_REGS\r
209endm\r
210\r
211MY_PROC XzCrc64UpdateT4, 5\r
212 MY_PROLOG crc_end_4\r
213 movzx x6, x0_L\r
214 align 16\r
215 main_loop_4:\r
216 mov r3, SRCDAT4\r
217 xor r3, r2\r
218\r
219 CRC xor, mov, r3, r2, r6, 3\r
220 movzx x6, x0_H\r
221 shr r0, 16\r
222 CRC_XOR r3, r2, r6, 2\r
223\r
224 movzx x6, x0_L\r
225 movzx x0, x0_H\r
226 CRC_XOR r3, r2, r6, 1\r
227 CRC_XOR r3, r2, r0, 0\r
228 movzx x6, x3_L\r
229 mov r0, r3\r
230\r
231 add rD, 4\r
232 jnz main_loop_4\r
233\r
234 MY_EPILOG crc_end_4\r
235MY_ENDP\r
236\r
237endif ; ! x64\r
238\r
239end\r