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1 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
2 | ; Copyright(c) 2011-2015 Intel Corporation All rights reserved. | |
3 | ; | |
4 | ; Redistribution and use in source and binary forms, with or without | |
f91f0fd5 | 5 | ; modification, are permitted provided that the following conditions |
7c673cae FG |
6 | ; are met: |
7 | ; * Redistributions of source code must retain the above copyright | |
8 | ; notice, this list of conditions and the following disclaimer. | |
9 | ; * Redistributions in binary form must reproduce the above copyright | |
10 | ; notice, this list of conditions and the following disclaimer in | |
11 | ; the documentation and/or other materials provided with the | |
12 | ; distribution. | |
13 | ; * Neither the name of Intel Corporation nor the names of its | |
14 | ; contributors may be used to endorse or promote products derived | |
15 | ; from this software without specific prior written permission. | |
16 | ; | |
17 | ; THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
18 | ; "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
19 | ; LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
20 | ; A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
21 | ; OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
22 | ; SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
23 | ; LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
24 | ; DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
25 | ; THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
26 | ; (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
27 | ; OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
28 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; | |
29 | ||
30 | ;;; | |
31 | ;;; gf_4vect_mad_sse(len, vec, vec_i, mul_array, src, dest); | |
32 | ;;; | |
33 | ||
34 | %include "reg_sizes.asm" | |
35 | ||
36 | %define PS 8 | |
37 | ||
38 | %ifidn __OUTPUT_FORMAT__, win64 | |
39 | %define arg0 rcx | |
40 | %define arg0.w ecx | |
41 | %define arg1 rdx | |
42 | %define arg2 r8 | |
43 | %define arg3 r9 | |
44 | %define arg4 r12 | |
45 | %define arg5 r15 | |
46 | %define tmp r11 | |
47 | %define tmp2 r10 | |
48 | %define tmp3 r13 | |
49 | %define return rax | |
50 | %define return.w eax | |
51 | %define stack_size 16*10 + 3*8 | |
52 | %define arg(x) [rsp + stack_size + PS + PS*x] | |
53 | %define func(x) proc_frame x | |
54 | ||
55 | %macro FUNC_SAVE 0 | |
56 | sub rsp, stack_size | |
57 | movdqa [rsp+16*0],xmm6 | |
58 | movdqa [rsp+16*1],xmm7 | |
59 | movdqa [rsp+16*2],xmm8 | |
60 | movdqa [rsp+16*3],xmm9 | |
61 | movdqa [rsp+16*4],xmm10 | |
62 | movdqa [rsp+16*5],xmm11 | |
63 | movdqa [rsp+16*6],xmm12 | |
64 | movdqa [rsp+16*7],xmm13 | |
65 | movdqa [rsp+16*8],xmm14 | |
66 | movdqa [rsp+16*9],xmm15 | |
67 | save_reg r12, 10*16 + 0*8 | |
68 | save_reg r13, 10*16 + 1*8 | |
69 | save_reg r15, 10*16 + 2*8 | |
70 | end_prolog | |
71 | mov arg4, arg(4) | |
72 | mov arg5, arg(5) | |
73 | %endmacro | |
74 | ||
75 | %macro FUNC_RESTORE 0 | |
76 | movdqa xmm6, [rsp+16*0] | |
77 | movdqa xmm7, [rsp+16*1] | |
78 | movdqa xmm8, [rsp+16*2] | |
79 | movdqa xmm9, [rsp+16*3] | |
80 | movdqa xmm10, [rsp+16*4] | |
81 | movdqa xmm11, [rsp+16*5] | |
82 | movdqa xmm12, [rsp+16*6] | |
83 | movdqa xmm13, [rsp+16*7] | |
84 | movdqa xmm14, [rsp+16*8] | |
85 | movdqa xmm15, [rsp+16*9] | |
86 | mov r12, [rsp + 10*16 + 0*8] | |
87 | mov r13, [rsp + 10*16 + 1*8] | |
88 | mov r15, [rsp + 10*16 + 2*8] | |
89 | add rsp, stack_size | |
90 | %endmacro | |
91 | ||
92 | %elifidn __OUTPUT_FORMAT__, elf64 | |
93 | %define arg0 rdi | |
94 | %define arg0.w edi | |
95 | %define arg1 rsi | |
96 | %define arg2 rdx | |
97 | %define arg3 rcx | |
98 | %define arg4 r8 | |
99 | %define arg5 r9 | |
100 | %define tmp r11 | |
101 | %define tmp2 r10 | |
102 | %define tmp3 r12 | |
103 | %define return rax | |
104 | %define return.w eax | |
105 | ||
20effc67 | 106 | %define func(x) x: endbranch |
7c673cae FG |
107 | %macro FUNC_SAVE 0 |
108 | push r12 | |
109 | %endmacro | |
110 | %macro FUNC_RESTORE 0 | |
111 | pop r12 | |
112 | %endmacro | |
113 | %endif | |
114 | ||
115 | ;;; gf_4vect_mad_sse(len, vec, vec_i, mul_array, src, dest) | |
116 | %define len arg0 | |
117 | %define len.w arg0.w | |
118 | %define vec arg1 | |
119 | %define vec_i arg2 | |
120 | %define mul_array arg3 | |
121 | %define src arg4 | |
122 | %define dest1 arg5 | |
123 | %define pos return | |
124 | %define pos.w return.w | |
125 | ||
126 | %define dest2 mul_array | |
127 | %define dest3 tmp2 | |
128 | %define dest4 vec_i | |
129 | ||
130 | %ifndef EC_ALIGNED_ADDR | |
131 | ;;; Use Un-aligned load/store | |
132 | %define XLDR movdqu | |
133 | %define XSTR movdqu | |
134 | %else | |
135 | ;;; Use Non-temporal load/stor | |
136 | %ifdef NO_NT_LDST | |
137 | %define XLDR movdqa | |
138 | %define XSTR movdqa | |
139 | %else | |
140 | %define XLDR movntdqa | |
141 | %define XSTR movntdq | |
142 | %endif | |
143 | %endif | |
144 | ||
145 | default rel | |
146 | ||
147 | [bits 64] | |
148 | section .text | |
149 | ||
150 | %define xmask0f xmm15 | |
151 | %define xgft3_hi xmm14 | |
152 | %define xgft4_hi xmm13 | |
153 | %define xgft4_lo xmm12 | |
154 | ||
155 | %define x0 xmm0 | |
156 | %define xtmpa xmm1 | |
157 | %define xtmph1 xmm2 | |
158 | %define xtmpl1 xmm3 | |
159 | %define xtmph2 xmm4 | |
160 | %define xtmpl2 xmm5 | |
161 | %define xtmph3 xmm6 | |
162 | %define xtmpl3 xmm7 | |
163 | %define xtmph4 xmm8 | |
164 | %define xtmpl4 xmm9 | |
165 | %define xd1 xmm10 | |
166 | %define xd2 xmm11 | |
167 | %define xd3 xtmph1 | |
168 | %define xd4 xtmpl1 | |
169 | ||
170 | align 16 | |
20effc67 | 171 | mk_global gf_4vect_mad_sse, function |
7c673cae FG |
172 | func(gf_4vect_mad_sse) |
173 | FUNC_SAVE | |
174 | sub len, 16 | |
175 | jl .return_fail | |
176 | xor pos, pos | |
177 | movdqa xmask0f, [mask0f] ;Load mask of lower nibble in each byte | |
178 | mov tmp, vec | |
179 | ||
180 | sal vec_i, 5 ;Multiply by 32 | |
181 | lea tmp3, [mul_array + vec_i] | |
182 | ||
183 | sal tmp, 6 ;Multiply by 64 | |
184 | ||
185 | movdqu xgft3_hi, [tmp3+tmp+16] ; " Cx{00}, Cx{10}, Cx{20}, ... , Cx{f0} | |
186 | sal vec, 5 ;Multiply by 32 | |
187 | add tmp, vec | |
188 | movdqu xgft4_lo, [tmp3+tmp] ;Load array Dx{00}, Dx{01}, Dx{02}, ... | |
189 | movdqu xgft4_hi, [tmp3+tmp+16] ; " Dx{00}, Dx{10}, Dx{20}, ... , Dx{f0} | |
190 | ||
191 | mov dest2, [dest1+PS] ; reuse mul_array | |
192 | mov dest3, [dest1+2*PS] | |
193 | mov dest4, [dest1+3*PS] ; reuse vec_i | |
194 | mov dest1, [dest1] | |
195 | ||
196 | .loop16: | |
197 | XLDR x0, [src+pos] ;Get next source vector | |
198 | movdqu xtmph1, [tmp3+16] ; " Ax{00}, Ax{10}, Ax{20}, ... , Ax{f0} | |
199 | movdqu xtmpl1, [tmp3] ;Load array Ax{00}, Ax{01}, Ax{02}, ... | |
200 | movdqu xtmph2, [tmp3+vec+16] ; " Bx{00}, Bx{10}, Bx{20}, ... , Bx{f0} | |
201 | movdqu xtmpl2, [tmp3+vec] ;Load array Bx{00}, Bx{01}, Bx{02}, ... | |
202 | movdqu xtmpl3, [tmp3+2*vec] ;Load array Cx{00}, Cx{01}, Cx{02}, ... | |
203 | ||
204 | movdqa xtmph3, xgft3_hi | |
205 | movdqa xtmpl4, xgft4_lo | |
206 | movdqa xtmph4, xgft4_hi | |
207 | ||
208 | XLDR xd1, [dest1+pos] ;Get next dest vector | |
209 | XLDR xd2, [dest2+pos] ;Get next dest vector | |
210 | ||
211 | movdqa xtmpa, x0 ;Keep unshifted copy of src | |
212 | psraw x0, 4 ;Shift to put high nibble into bits 4-0 | |
213 | pand x0, xmask0f ;Mask high src nibble in bits 4-0 | |
214 | pand xtmpa, xmask0f ;Mask low src nibble in bits 4-0 | |
215 | ||
216 | ; dest1 | |
217 | pshufb xtmph1, x0 ;Lookup mul table of high nibble | |
218 | pshufb xtmpl1, xtmpa ;Lookup mul table of low nibble | |
219 | pxor xtmph1, xtmpl1 ;GF add high and low partials | |
220 | pxor xd1, xtmph1 | |
221 | ||
222 | XLDR xd3, [dest3+pos] ;Reuse xtmph1, Get next dest vector | |
223 | XLDR xd4, [dest4+pos] ;Reuse xtmpl1, Get next dest vector | |
224 | ||
225 | ; dest2 | |
226 | pshufb xtmph2, x0 ;Lookup mul table of high nibble | |
227 | pshufb xtmpl2, xtmpa ;Lookup mul table of low nibble | |
228 | pxor xtmph2, xtmpl2 ;GF add high and low partials | |
229 | pxor xd2, xtmph2 | |
230 | ||
231 | ; dest3 | |
232 | pshufb xtmph3, x0 ;Lookup mul table of high nibble | |
233 | pshufb xtmpl3, xtmpa ;Lookup mul table of low nibble | |
234 | pxor xtmph3, xtmpl3 ;GF add high and low partials | |
235 | pxor xd3, xtmph3 | |
236 | ||
237 | ; dest4 | |
238 | pshufb xtmph4, x0 ;Lookup mul table of high nibble | |
239 | pshufb xtmpl4, xtmpa ;Lookup mul table of low nibble | |
240 | pxor xtmph4, xtmpl4 ;GF add high and low partials | |
241 | pxor xd4, xtmph4 | |
242 | ||
243 | XSTR [dest1+pos], xd1 ;Store result | |
244 | XSTR [dest2+pos], xd2 ;Store result | |
245 | XSTR [dest3+pos], xd3 ;Store result | |
246 | XSTR [dest4+pos], xd4 ;Store result | |
247 | ||
248 | add pos, 16 ;Loop on 16 bytes at a time | |
249 | cmp pos, len | |
250 | jle .loop16 | |
251 | ||
252 | lea tmp, [len + 16] | |
253 | cmp pos, tmp | |
254 | je .return_pass | |
255 | ||
256 | .lessthan16: | |
257 | ;; Tail len | |
258 | ;; Do one more overlap pass | |
259 | mov tmp, len ;Overlapped offset length-16 | |
260 | ||
261 | XLDR x0, [src+tmp] ;Get next source vector | |
262 | ||
263 | movdqu xtmph1, [tmp3+16] ; " Ax{00}, Ax{10}, Ax{20}, ... , Ax{f0} | |
264 | movdqu xtmpl1, [tmp3] ;Load array Ax{00}, Ax{01}, Ax{02}, ... | |
265 | movdqu xtmph2, [tmp3+vec+16] ; " Bx{00}, Bx{10}, Bx{20}, ... , Bx{f0} | |
266 | movdqu xtmpl2, [tmp3+vec] ;Load array Bx{00}, Bx{01}, Bx{02}, ... | |
267 | movdqu xtmpl3, [tmp3+2*vec] ;Load array Cx{00}, Cx{01}, Cx{02}, ... | |
268 | ||
269 | XLDR xd1, [dest1+tmp] ;Get next dest vector | |
270 | XLDR xd2, [dest2+tmp] ;Get next dest vector | |
271 | XLDR xtmph4, [dest3+tmp] ;Reuse xtmph1. Get next dest vector | |
272 | ||
273 | sub len, pos | |
274 | ||
275 | movdqa xtmpl4, [constip16] ;Load const of i + 16 | |
276 | pinsrb xtmph3, len.w, 15 | |
277 | pshufb xtmph3, xmask0f ;Broadcast len to all bytes | |
278 | pcmpgtb xtmph3, xtmpl4 | |
279 | ||
280 | XLDR xtmpl4, [dest4+tmp] ;Get next dest vector | |
281 | ||
282 | movdqa xtmpa, x0 ;Keep unshifted copy of src | |
283 | psraw x0, 4 ;Shift to put high nibble into bits 4-0 | |
284 | pand x0, xmask0f ;Mask high src nibble in bits 4-0 | |
285 | pand xtmpa, xmask0f ;Mask low src nibble in bits 4-0 | |
286 | ||
287 | ; dest1 | |
288 | pshufb xtmph1, x0 ;Lookup mul table of high nibble | |
289 | pshufb xtmpl1, xtmpa ;Lookup mul table of low nibble | |
290 | pxor xtmph1, xtmpl1 ;GF add high and low partials | |
291 | pand xtmph1, xtmph3 | |
292 | pxor xd1, xtmph1 | |
293 | ||
294 | ; dest2 | |
295 | pshufb xtmph2, x0 ;Lookup mul table of high nibble | |
296 | pshufb xtmpl2, xtmpa ;Lookup mul table of low nibble | |
297 | pxor xtmph2, xtmpl2 ;GF add high and low partials | |
298 | pand xtmph2, xtmph3 | |
299 | pxor xd2, xtmph2 | |
300 | ||
301 | ; dest3 | |
302 | pshufb xgft3_hi, x0 ;Lookup mul table of high nibble | |
303 | pshufb xtmpl3, xtmpa ;Lookup mul table of low nibble | |
304 | pxor xgft3_hi, xtmpl3 ;GF add high and low partials | |
305 | pand xgft3_hi, xtmph3 | |
306 | pxor xtmph4, xgft3_hi | |
307 | ||
308 | ; dest4 | |
309 | pshufb xgft4_hi, x0 ;Lookup mul table of high nibble | |
310 | pshufb xgft4_lo, xtmpa ;Lookup mul table of low nibble | |
311 | pxor xgft4_hi, xgft4_lo ;GF add high and low partials | |
312 | pand xgft4_hi, xtmph3 | |
313 | pxor xtmpl4, xgft4_hi | |
314 | ||
315 | XSTR [dest1+tmp], xd1 ;Store result | |
316 | XSTR [dest2+tmp], xd2 ;Store result | |
317 | XSTR [dest3+tmp], xtmph4 ;Store result | |
318 | XSTR [dest4+tmp], xtmpl4 ;Store result | |
319 | ||
320 | .return_pass: | |
321 | FUNC_RESTORE | |
322 | mov return, 0 | |
323 | ret | |
324 | ||
325 | .return_fail: | |
326 | FUNC_RESTORE | |
327 | mov return, 1 | |
328 | ret | |
329 | ||
330 | endproc_frame | |
331 | ||
332 | section .data | |
333 | ||
334 | align 16 | |
335 | ||
336 | mask0f: | |
337 | dq 0x0f0f0f0f0f0f0f0f, 0x0f0f0f0f0f0f0f0f | |
338 | constip16: | |
339 | dq 0xf8f9fafbfcfdfeff, 0xf0f1f2f3f4f5f6f7 | |
340 | ||
341 | ;;; func core, ver, snum | |
342 | slversion gf_4vect_mad_sse, 00, 01, 0209 |