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1 ; | |
2 ; jdmrgss2-64.asm - merged upsampling/color conversion (64-bit SSE2) | |
3 ; | |
4 ; Copyright 2009, 2012 Pierre Ossman <ossman@cendio.se> for Cendio AB | |
5 ; Copyright 2009, 2012 D. R. Commander | |
6 ; | |
7 ; Based on | |
8 ; x86 SIMD extension for IJG JPEG library | |
9 ; Copyright (C) 1999-2006, MIYASAKA Masaru. | |
10 ; For conditions of distribution and use, see copyright notice in jsimdext.inc | |
11 ; | |
12 ; This file should be assembled with NASM (Netwide Assembler), | |
13 ; can *not* be assembled with Microsoft's MASM or any compatible | |
14 ; assembler (including Borland's Turbo Assembler). | |
15 ; NASM is available from http://nasm.sourceforge.net/ or | |
16 ; http://sourceforge.net/project/showfiles.php?group_id=6208 | |
17 ; | |
18 ; [TAB8] | |
19 | |
20 %include "jcolsamp.inc" | |
21 | |
22 ; -------------------------------------------------------------------------- | |
23 ; | |
24 ; Upsample and color convert for the case of 2:1 horizontal and 1:1 vertical. | |
25 ; | |
26 ; GLOBAL(void) | |
27 ; jsimd_h2v1_merged_upsample_sse2 (JDIMENSION output_width, | |
28 ; JSAMPIMAGE input_buf, | |
29 ; JDIMENSION in_row_group_ctr, | |
30 ; JSAMPARRAY output_buf); | |
31 ; | |
32 | |
33 ; r10 = JDIMENSION output_width | |
34 ; r11 = JSAMPIMAGE input_buf | |
35 ; r12 = JDIMENSION in_row_group_ctr | |
36 ; r13 = JSAMPARRAY output_buf | |
37 | |
38 %define wk(i) rbp-(WK_NUM-(i))*SIZEOF_XMMWORD ; xmmword wk[WK_NUM] | |
39 %define WK_NUM 3 | |
40 | |
41 align 16 | |
42 global EXTN(jsimd_h2v1_merged_upsample_sse2) PRIVATE | |
43 | |
44 EXTN(jsimd_h2v1_merged_upsample_sse2): | |
45 push rbp | |
46 mov rax,rsp ; rax = original rbp | |
47 sub rsp, byte 4 | |
48 and rsp, byte (-SIZEOF_XMMWORD) ; align to 128 bits | |
49 mov [rsp],rax | |
50 mov rbp,rsp ; rbp = aligned rbp | |
51 lea rsp, [wk(0)] | |
52 collect_args | |
53 push rbx | |
54 | |
55 mov ecx, r10d ; col | |
56 test rcx,rcx | |
57 jz near .return | |
58 | |
59 push rcx | |
60 | |
61 mov rdi, r11 | |
62 mov ecx, r12d | |
63 mov rsi, JSAMPARRAY [rdi+0*SIZEOF_JSAMPARRAY] | |
64 mov rbx, JSAMPARRAY [rdi+1*SIZEOF_JSAMPARRAY] | |
65 mov rdx, JSAMPARRAY [rdi+2*SIZEOF_JSAMPARRAY] | |
66 mov rdi, r13 | |
67 mov rsi, JSAMPROW [rsi+rcx*SIZEOF_JSAMPROW] ; inptr0 | |
68 mov rbx, JSAMPROW [rbx+rcx*SIZEOF_JSAMPROW] ; inptr1 | |
69 mov rdx, JSAMPROW [rdx+rcx*SIZEOF_JSAMPROW] ; inptr2 | |
70 mov rdi, JSAMPROW [rdi] ; outptr | |
71 | |
72 pop rcx ; col | |
73 | |
74 .columnloop: | |
75 | |
76 movdqa xmm6, XMMWORD [rbx] ; xmm6=Cb(0123456789ABCDEF) | |
77 movdqa xmm7, XMMWORD [rdx] ; xmm7=Cr(0123456789ABCDEF) | |
78 | |
79 pxor xmm1,xmm1 ; xmm1=(all 0's) | |
80 pcmpeqw xmm3,xmm3 | |
81 psllw xmm3,7 ; xmm3={0xFF80 0xFF80 0xFF80 0xFF80 ..} | |
82 | |
83 movdqa xmm4,xmm6 | |
84 punpckhbw xmm6,xmm1 ; xmm6=Cb(89ABCDEF)=CbH | |
85 punpcklbw xmm4,xmm1 ; xmm4=Cb(01234567)=CbL | |
86 movdqa xmm0,xmm7 | |
87 punpckhbw xmm7,xmm1 ; xmm7=Cr(89ABCDEF)=CrH | |
88 punpcklbw xmm0,xmm1 ; xmm0=Cr(01234567)=CrL | |
89 | |
90 paddw xmm6,xmm3 | |
91 paddw xmm4,xmm3 | |
92 paddw xmm7,xmm3 | |
93 paddw xmm0,xmm3 | |
94 | |
95 ; (Original) | |
96 ; R = Y + 1.40200 * Cr | |
97 ; G = Y - 0.34414 * Cb - 0.71414 * Cr | |
98 ; B = Y + 1.77200 * Cb | |
99 ; | |
100 ; (This implementation) | |
101 ; R = Y + 0.40200 * Cr + Cr | |
102 ; G = Y - 0.34414 * Cb + 0.28586 * Cr - Cr | |
103 ; B = Y - 0.22800 * Cb + Cb + Cb | |
104 | |
105 movdqa xmm5,xmm6 ; xmm5=CbH | |
106 movdqa xmm2,xmm4 ; xmm2=CbL | |
107 paddw xmm6,xmm6 ; xmm6=2*CbH | |
108 paddw xmm4,xmm4 ; xmm4=2*CbL | |
109 movdqa xmm1,xmm7 ; xmm1=CrH | |
110 movdqa xmm3,xmm0 ; xmm3=CrL | |
111 paddw xmm7,xmm7 ; xmm7=2*CrH | |
112 paddw xmm0,xmm0 ; xmm0=2*CrL | |
113 | |
114 pmulhw xmm6,[rel PW_MF0228] ; xmm6=(2*CbH * -FIX(0.22800)) | |
115 pmulhw xmm4,[rel PW_MF0228] ; xmm4=(2*CbL * -FIX(0.22800)) | |
116 pmulhw xmm7,[rel PW_F0402] ; xmm7=(2*CrH * FIX(0.40200)) | |
117 pmulhw xmm0,[rel PW_F0402] ; xmm0=(2*CrL * FIX(0.40200)) | |
118 | |
119 paddw xmm6,[rel PW_ONE] | |
120 paddw xmm4,[rel PW_ONE] | |
121 psraw xmm6,1 ; xmm6=(CbH * -FIX(0.22800)) | |
122 psraw xmm4,1 ; xmm4=(CbL * -FIX(0.22800)) | |
123 paddw xmm7,[rel PW_ONE] | |
124 paddw xmm0,[rel PW_ONE] | |
125 psraw xmm7,1 ; xmm7=(CrH * FIX(0.40200)) | |
126 psraw xmm0,1 ; xmm0=(CrL * FIX(0.40200)) | |
127 | |
128 paddw xmm6,xmm5 | |
129 paddw xmm4,xmm2 | |
130 paddw xmm6,xmm5 ; xmm6=(CbH * FIX(1.77200))=(B-Y)H | |
131 paddw xmm4,xmm2 ; xmm4=(CbL * FIX(1.77200))=(B-Y)L | |
132 paddw xmm7,xmm1 ; xmm7=(CrH * FIX(1.40200))=(R-Y)H | |
133 paddw xmm0,xmm3 ; xmm0=(CrL * FIX(1.40200))=(R-Y)L | |
134 | |
135 movdqa XMMWORD [wk(0)], xmm6 ; wk(0)=(B-Y)H | |
136 movdqa XMMWORD [wk(1)], xmm7 ; wk(1)=(R-Y)H | |
137 | |
138 movdqa xmm6,xmm5 | |
139 movdqa xmm7,xmm2 | |
140 punpcklwd xmm5,xmm1 | |
141 punpckhwd xmm6,xmm1 | |
142 pmaddwd xmm5,[rel PW_MF0344_F0285] | |
143 pmaddwd xmm6,[rel PW_MF0344_F0285] | |
144 punpcklwd xmm2,xmm3 | |
145 punpckhwd xmm7,xmm3 | |
146 pmaddwd xmm2,[rel PW_MF0344_F0285] | |
147 pmaddwd xmm7,[rel PW_MF0344_F0285] | |
148 | |
149 paddd xmm5,[rel PD_ONEHALF] | |
150 paddd xmm6,[rel PD_ONEHALF] | |
151 psrad xmm5,SCALEBITS | |
152 psrad xmm6,SCALEBITS | |
153 paddd xmm2,[rel PD_ONEHALF] | |
154 paddd xmm7,[rel PD_ONEHALF] | |
155 psrad xmm2,SCALEBITS | |
156 psrad xmm7,SCALEBITS | |
157 | |
158 packssdw xmm5,xmm6 ; xmm5=CbH*-FIX(0.344)+CrH*FIX(0.285) | |
159 packssdw xmm2,xmm7 ; xmm2=CbL*-FIX(0.344)+CrL*FIX(0.285) | |
160 psubw xmm5,xmm1 ; xmm5=CbH*-FIX(0.344)+CrH*-FIX(0.714)=(G-Y)H | |
161 psubw xmm2,xmm3 ; xmm2=CbL*-FIX(0.344)+CrL*-FIX(0.714)=(G-Y)L | |
162 | |
163 movdqa XMMWORD [wk(2)], xmm5 ; wk(2)=(G-Y)H | |
164 | |
165 mov al,2 ; Yctr | |
166 jmp short .Yloop_1st | |
167 | |
168 .Yloop_2nd: | |
169 movdqa xmm0, XMMWORD [wk(1)] ; xmm0=(R-Y)H | |
170 movdqa xmm2, XMMWORD [wk(2)] ; xmm2=(G-Y)H | |
171 movdqa xmm4, XMMWORD [wk(0)] ; xmm4=(B-Y)H | |
172 | |
173 .Yloop_1st: | |
174 movdqa xmm7, XMMWORD [rsi] ; xmm7=Y(0123456789ABCDEF) | |
175 | |
176 pcmpeqw xmm6,xmm6 | |
177 psrlw xmm6,BYTE_BIT ; xmm6={0xFF 0x00 0xFF 0x00 ..} | |
178 pand xmm6,xmm7 ; xmm6=Y(02468ACE)=YE | |
179 psrlw xmm7,BYTE_BIT ; xmm7=Y(13579BDF)=YO | |
180 | |
181 movdqa xmm1,xmm0 ; xmm1=xmm0=(R-Y)(L/H) | |
182 movdqa xmm3,xmm2 ; xmm3=xmm2=(G-Y)(L/H) | |
183 movdqa xmm5,xmm4 ; xmm5=xmm4=(B-Y)(L/H) | |
184 | |
185 paddw xmm0,xmm6 ; xmm0=((R-Y)+YE)=RE=R(02468ACE) | |
186 paddw xmm1,xmm7 ; xmm1=((R-Y)+YO)=RO=R(13579BDF) | |
187 packuswb xmm0,xmm0 ; xmm0=R(02468ACE********) | |
188 packuswb xmm1,xmm1 ; xmm1=R(13579BDF********) | |
189 | |
190 paddw xmm2,xmm6 ; xmm2=((G-Y)+YE)=GE=G(02468ACE) | |
191 paddw xmm3,xmm7 ; xmm3=((G-Y)+YO)=GO=G(13579BDF) | |
192 packuswb xmm2,xmm2 ; xmm2=G(02468ACE********) | |
193 packuswb xmm3,xmm3 ; xmm3=G(13579BDF********) | |
194 | |
195 paddw xmm4,xmm6 ; xmm4=((B-Y)+YE)=BE=B(02468ACE) | |
196 paddw xmm5,xmm7 ; xmm5=((B-Y)+YO)=BO=B(13579BDF) | |
197 packuswb xmm4,xmm4 ; xmm4=B(02468ACE********) | |
198 packuswb xmm5,xmm5 ; xmm5=B(13579BDF********) | |
199 | |
200 %if RGB_PIXELSIZE == 3 ; --------------- | |
201 | |
202 ; xmmA=(00 02 04 06 08 0A 0C 0E **), xmmB=(01 03 05 07 09 0B 0D 0F **) | |
203 ; xmmC=(10 12 14 16 18 1A 1C 1E **), xmmD=(11 13 15 17 19 1B 1D 1F **) | |
204 ; xmmE=(20 22 24 26 28 2A 2C 2E **), xmmF=(21 23 25 27 29 2B 2D 2F **) | |
205 ; xmmG=(** ** ** ** ** ** ** ** **), xmmH=(** ** ** ** ** ** ** ** **) | |
206 | |
207 punpcklbw xmmA,xmmC ; xmmA=(00 10 02 12 04 14 06 16 08 18 0A 1A 0C 1
C 0E 1E) | |
208 punpcklbw xmmE,xmmB ; xmmE=(20 01 22 03 24 05 26 07 28 09 2A 0B 2C 0
D 2E 0F) | |
209 punpcklbw xmmD,xmmF ; xmmD=(11 21 13 23 15 25 17 27 19 29 1B 2B 1D 2
D 1F 2F) | |
210 | |
211 movdqa xmmG,xmmA | |
212 movdqa xmmH,xmmA | |
213 punpcklwd xmmA,xmmE ; xmmA=(00 10 20 01 02 12 22 03 04 14 24 05 06 1
6 26 07) | |
214 punpckhwd xmmG,xmmE ; xmmG=(08 18 28 09 0A 1A 2A 0B 0C 1C 2C 0D 0E 1
E 2E 0F) | |
215 | |
216 psrldq xmmH,2 ; xmmH=(02 12 04 14 06 16 08 18 0A 1A 0C 1C 0E 1
E -- --) | |
217 psrldq xmmE,2 ; xmmE=(22 03 24 05 26 07 28 09 2A 0B 2C 0D 2E 0
F -- --) | |
218 | |
219 movdqa xmmC,xmmD | |
220 movdqa xmmB,xmmD | |
221 punpcklwd xmmD,xmmH ; xmmD=(11 21 02 12 13 23 04 14 15 25 06 16 17 2
7 08 18) | |
222 punpckhwd xmmC,xmmH ; xmmC=(19 29 0A 1A 1B 2B 0C 1C 1D 2D 0E 1E 1F 2
F -- --) | |
223 | |
224 psrldq xmmB,2 ; xmmB=(13 23 15 25 17 27 19 29 1B 2B 1D 2D 1F 2
F -- --) | |
225 | |
226 movdqa xmmF,xmmE | |
227 punpcklwd xmmE,xmmB ; xmmE=(22 03 13 23 24 05 15 25 26 07 17 27 28 0
9 19 29) | |
228 punpckhwd xmmF,xmmB ; xmmF=(2A 0B 1B 2B 2C 0D 1D 2D 2E 0F 1F 2F -- -
- -- --) | |
229 | |
230 pshufd xmmH,xmmA,0x4E; xmmH=(04 14 24 05 06 16 26 07 00 10 20 01 02 1
2 22 03) | |
231 movdqa xmmB,xmmE | |
232 punpckldq xmmA,xmmD ; xmmA=(00 10 20 01 11 21 02 12 02 12 22 03 13 2
3 04 14) | |
233 punpckldq xmmE,xmmH ; xmmE=(22 03 13 23 04 14 24 05 24 05 15 25 06 1
6 26 07) | |
234 punpckhdq xmmD,xmmB ; xmmD=(15 25 06 16 26 07 17 27 17 27 08 18 28 0
9 19 29) | |
235 | |
236 pshufd xmmH,xmmG,0x4E; xmmH=(0C 1C 2C 0D 0E 1E 2E 0F 08 18 28 09 0A 1
A 2A 0B) | |
237 movdqa xmmB,xmmF | |
238 punpckldq xmmG,xmmC ; xmmG=(08 18 28 09 19 29 0A 1A 0A 1A 2A 0B 1B 2
B 0C 1C) | |
239 punpckldq xmmF,xmmH ; xmmF=(2A 0B 1B 2B 0C 1C 2C 0D 2C 0D 1D 2D 0E 1
E 2E 0F) | |
240 punpckhdq xmmC,xmmB ; xmmC=(1D 2D 0E 1E 2E 0F 1F 2F 1F 2F -- -- -- -
- -- --) | |
241 | |
242 punpcklqdq xmmA,xmmE ; xmmA=(00 10 20 01 11 21 02 12 22 03 13 23 04 1
4 24 05) | |
243 punpcklqdq xmmD,xmmG ; xmmD=(15 25 06 16 26 07 17 27 08 18 28 09 19 2
9 0A 1A) | |
244 punpcklqdq xmmF,xmmC ; xmmF=(2A 0B 1B 2B 0C 1C 2C 0D 1D 2D 0E 1E 2E 0
F 1F 2F) | |
245 | |
246 cmp rcx, byte SIZEOF_XMMWORD | |
247 jb short .column_st32 | |
248 | |
249 test rdi, SIZEOF_XMMWORD-1 | |
250 jnz short .out1 | |
251 ; --(aligned)------------------- | |
252 movntdq XMMWORD [rdi+0*SIZEOF_XMMWORD], xmmA | |
253 movntdq XMMWORD [rdi+1*SIZEOF_XMMWORD], xmmD | |
254 movntdq XMMWORD [rdi+2*SIZEOF_XMMWORD], xmmF | |
255 jmp short .out0 | |
256 .out1: ; --(unaligned)----------------- | |
257 movdqu XMMWORD [rdi+0*SIZEOF_XMMWORD], xmmA | |
258 movdqu XMMWORD [rdi+1*SIZEOF_XMMWORD], xmmD | |
259 movdqu XMMWORD [rdi+2*SIZEOF_XMMWORD], xmmF | |
260 .out0: | |
261 add rdi, byte RGB_PIXELSIZE*SIZEOF_XMMWORD ; outptr | |
262 sub rcx, byte SIZEOF_XMMWORD | |
263 jz near .endcolumn | |
264 | |
265 add rsi, byte SIZEOF_XMMWORD ; inptr0 | |
266 dec al ; Yctr | |
267 jnz near .Yloop_2nd | |
268 | |
269 add rbx, byte SIZEOF_XMMWORD ; inptr1 | |
270 add rdx, byte SIZEOF_XMMWORD ; inptr2 | |
271 jmp near .columnloop | |
272 | |
273 .column_st32: | |
274 lea rcx, [rcx+rcx*2] ; imul ecx, RGB_PIXELSIZE | |
275 cmp rcx, byte 2*SIZEOF_XMMWORD | |
276 jb short .column_st16 | |
277 movdqu XMMWORD [rdi+0*SIZEOF_XMMWORD], xmmA | |
278 movdqu XMMWORD [rdi+1*SIZEOF_XMMWORD], xmmD | |
279 add rdi, byte 2*SIZEOF_XMMWORD ; outptr | |
280 movdqa xmmA,xmmF | |
281 sub rcx, byte 2*SIZEOF_XMMWORD | |
282 jmp short .column_st15 | |
283 .column_st16: | |
284 cmp rcx, byte SIZEOF_XMMWORD | |
285 jb short .column_st15 | |
286 movdqu XMMWORD [rdi+0*SIZEOF_XMMWORD], xmmA | |
287 add rdi, byte SIZEOF_XMMWORD ; outptr | |
288 movdqa xmmA,xmmD | |
289 sub rcx, byte SIZEOF_XMMWORD | |
290 .column_st15: | |
291 ; Store the lower 8 bytes of xmmA to the output when it has enough | |
292 ; space. | |
293 cmp rcx, byte SIZEOF_MMWORD | |
294 jb short .column_st7 | |
295 movq XMM_MMWORD [rdi], xmmA | |
296 add rdi, byte SIZEOF_MMWORD | |
297 sub rcx, byte SIZEOF_MMWORD | |
298 psrldq xmmA, SIZEOF_MMWORD | |
299 .column_st7: | |
300 ; Store the lower 4 bytes of xmmA to the output when it has enough | |
301 ; space. | |
302 cmp rcx, byte SIZEOF_DWORD | |
303 jb short .column_st3 | |
304 movd XMM_DWORD [rdi], xmmA | |
305 add rdi, byte SIZEOF_DWORD | |
306 sub rcx, byte SIZEOF_DWORD | |
307 psrldq xmmA, SIZEOF_DWORD | |
308 .column_st3: | |
309 ; Store the lower 2 bytes of rax to the output when it has enough | |
310 ; space. | |
311 movd eax, xmmA | |
312 cmp rcx, byte SIZEOF_WORD | |
313 jb short .column_st1 | |
314 mov WORD [rdi], ax | |
315 add rdi, byte SIZEOF_WORD | |
316 sub rcx, byte SIZEOF_WORD | |
317 shr rax, 16 | |
318 .column_st1: | |
319 ; Store the lower 1 byte of rax to the output when it has enough | |
320 ; space. | |
321 test rcx, rcx | |
322 jz short .endcolumn | |
323 mov BYTE [rdi], al | |
324 | |
325 %else ; RGB_PIXELSIZE == 4 ; ----------- | |
326 | |
327 %ifdef RGBX_FILLER_0XFF | |
328 pcmpeqb xmm6,xmm6 ; xmm6=XE=X(02468ACE********) | |
329 pcmpeqb xmm7,xmm7 ; xmm7=XO=X(13579BDF********) | |
330 %else | |
331 pxor xmm6,xmm6 ; xmm6=XE=X(02468ACE********) | |
332 pxor xmm7,xmm7 ; xmm7=XO=X(13579BDF********) | |
333 %endif | |
334 ; xmmA=(00 02 04 06 08 0A 0C 0E **), xmmB=(01 03 05 07 09 0B 0D 0F **) | |
335 ; xmmC=(10 12 14 16 18 1A 1C 1E **), xmmD=(11 13 15 17 19 1B 1D 1F **) | |
336 ; xmmE=(20 22 24 26 28 2A 2C 2E **), xmmF=(21 23 25 27 29 2B 2D 2F **) | |
337 ; xmmG=(30 32 34 36 38 3A 3C 3E **), xmmH=(31 33 35 37 39 3B 3D 3F **) | |
338 | |
339 punpcklbw xmmA,xmmC ; xmmA=(00 10 02 12 04 14 06 16 08 18 0A 1A 0C 1
C 0E 1E) | |
340 punpcklbw xmmE,xmmG ; xmmE=(20 30 22 32 24 34 26 36 28 38 2A 3A 2C 3
C 2E 3E) | |
341 punpcklbw xmmB,xmmD ; xmmB=(01 11 03 13 05 15 07 17 09 19 0B 1B 0D 1
D 0F 1F) | |
342 punpcklbw xmmF,xmmH ; xmmF=(21 31 23 33 25 35 27 37 29 39 2B 3B 2D 3
D 2F 3F) | |
343 | |
344 movdqa xmmC,xmmA | |
345 punpcklwd xmmA,xmmE ; xmmA=(00 10 20 30 02 12 22 32 04 14 24 34 06 1
6 26 36) | |
346 punpckhwd xmmC,xmmE ; xmmC=(08 18 28 38 0A 1A 2A 3A 0C 1C 2C 3C 0E 1
E 2E 3E) | |
347 movdqa xmmG,xmmB | |
348 punpcklwd xmmB,xmmF ; xmmB=(01 11 21 31 03 13 23 33 05 15 25 35 07 1
7 27 37) | |
349 punpckhwd xmmG,xmmF ; xmmG=(09 19 29 39 0B 1B 2B 3B 0D 1D 2D 3D 0F 1
F 2F 3F) | |
350 | |
351 movdqa xmmD,xmmA | |
352 punpckldq xmmA,xmmB ; xmmA=(00 10 20 30 01 11 21 31 02 12 22 32 03 1
3 23 33) | |
353 punpckhdq xmmD,xmmB ; xmmD=(04 14 24 34 05 15 25 35 06 16 26 36 07 1
7 27 37) | |
354 movdqa xmmH,xmmC | |
355 punpckldq xmmC,xmmG ; xmmC=(08 18 28 38 09 19 29 39 0A 1A 2A 3A 0B 1
B 2B 3B) | |
356 punpckhdq xmmH,xmmG ; xmmH=(0C 1C 2C 3C 0D 1D 2D 3D 0E 1E 2E 3E 0F 1
F 2F 3F) | |
357 | |
358 cmp rcx, byte SIZEOF_XMMWORD | |
359 jb short .column_st32 | |
360 | |
361 test rdi, SIZEOF_XMMWORD-1 | |
362 jnz short .out1 | |
363 ; --(aligned)------------------- | |
364 movntdq XMMWORD [rdi+0*SIZEOF_XMMWORD], xmmA | |
365 movntdq XMMWORD [rdi+1*SIZEOF_XMMWORD], xmmD | |
366 movntdq XMMWORD [rdi+2*SIZEOF_XMMWORD], xmmC | |
367 movntdq XMMWORD [rdi+3*SIZEOF_XMMWORD], xmmH | |
368 jmp short .out0 | |
369 .out1: ; --(unaligned)----------------- | |
370 movdqu XMMWORD [rdi+0*SIZEOF_XMMWORD], xmmA | |
371 movdqu XMMWORD [rdi+1*SIZEOF_XMMWORD], xmmD | |
372 movdqu XMMWORD [rdi+2*SIZEOF_XMMWORD], xmmC | |
373 movdqu XMMWORD [rdi+3*SIZEOF_XMMWORD], xmmH | |
374 .out0: | |
375 add rdi, byte RGB_PIXELSIZE*SIZEOF_XMMWORD ; outptr | |
376 sub rcx, byte SIZEOF_XMMWORD | |
377 jz near .endcolumn | |
378 | |
379 add rsi, byte SIZEOF_XMMWORD ; inptr0 | |
380 dec al ; Yctr | |
381 jnz near .Yloop_2nd | |
382 | |
383 add rbx, byte SIZEOF_XMMWORD ; inptr1 | |
384 add rdx, byte SIZEOF_XMMWORD ; inptr2 | |
385 jmp near .columnloop | |
386 | |
387 .column_st32: | |
388 cmp rcx, byte SIZEOF_XMMWORD/2 | |
389 jb short .column_st16 | |
390 movdqu XMMWORD [rdi+0*SIZEOF_XMMWORD], xmmA | |
391 movdqu XMMWORD [rdi+1*SIZEOF_XMMWORD], xmmD | |
392 add rdi, byte 2*SIZEOF_XMMWORD ; outptr | |
393 movdqa xmmA,xmmC | |
394 movdqa xmmD,xmmH | |
395 sub rcx, byte SIZEOF_XMMWORD/2 | |
396 .column_st16: | |
397 cmp rcx, byte SIZEOF_XMMWORD/4 | |
398 jb short .column_st15 | |
399 movdqu XMMWORD [rdi+0*SIZEOF_XMMWORD], xmmA | |
400 add rdi, byte SIZEOF_XMMWORD ; outptr | |
401 movdqa xmmA,xmmD | |
402 sub rcx, byte SIZEOF_XMMWORD/4 | |
403 .column_st15: | |
404 ; Store two pixels (8 bytes) of xmmA to the output when it has enough | |
405 ; space. | |
406 cmp rcx, byte SIZEOF_XMMWORD/8 | |
407 jb short .column_st7 | |
408 movq XMM_MMWORD [rdi], xmmA | |
409 add rdi, byte SIZEOF_XMMWORD/8*4 | |
410 sub rcx, byte SIZEOF_XMMWORD/8 | |
411 psrldq xmmA, SIZEOF_XMMWORD/8*4 | |
412 .column_st7: | |
413 ; Store one pixel (4 bytes) of xmmA to the output when it has enough | |
414 ; space. | |
415 test rcx, rcx | |
416 jz short .endcolumn | |
417 movd XMM_DWORD [rdi], xmmA | |
418 | |
419 %endif ; RGB_PIXELSIZE ; --------------- | |
420 | |
421 .endcolumn: | |
422 sfence ; flush the write buffer | |
423 | |
424 .return: | |
425 pop rbx | |
426 uncollect_args | |
427 mov rsp,rbp ; rsp <- aligned rbp | |
428 pop rsp ; rsp <- original rbp | |
429 pop rbp | |
430 ret | |
431 | |
432 ; -------------------------------------------------------------------------- | |
433 ; | |
434 ; Upsample and color convert for the case of 2:1 horizontal and 2:1 vertical. | |
435 ; | |
436 ; GLOBAL(void) | |
437 ; jsimd_h2v2_merged_upsample_sse2 (JDIMENSION output_width, | |
438 ; JSAMPIMAGE input_buf, | |
439 ; JDIMENSION in_row_group_ctr, | |
440 ; JSAMPARRAY output_buf); | |
441 ; | |
442 | |
443 ; r10 = JDIMENSION output_width | |
444 ; r11 = JSAMPIMAGE input_buf | |
445 ; r12 = JDIMENSION in_row_group_ctr | |
446 ; r13 = JSAMPARRAY output_buf | |
447 | |
448 align 16 | |
449 global EXTN(jsimd_h2v2_merged_upsample_sse2) PRIVATE | |
450 | |
451 EXTN(jsimd_h2v2_merged_upsample_sse2): | |
452 push rbp | |
453 mov rax,rsp | |
454 mov rbp,rsp | |
455 collect_args | |
456 push rbx | |
457 | |
458 mov eax, r10d | |
459 | |
460 mov rdi, r11 | |
461 mov ecx, r12d | |
462 mov rsi, JSAMPARRAY [rdi+0*SIZEOF_JSAMPARRAY] | |
463 mov rbx, JSAMPARRAY [rdi+1*SIZEOF_JSAMPARRAY] | |
464 mov rdx, JSAMPARRAY [rdi+2*SIZEOF_JSAMPARRAY] | |
465 mov rdi, r13 | |
466 lea rsi, [rsi+rcx*SIZEOF_JSAMPROW] | |
467 | |
468 push rdx ; inptr2 | |
469 push rbx ; inptr1 | |
470 push rsi ; inptr00 | |
471 mov rbx,rsp | |
472 | |
473 push rdi | |
474 push rcx | |
475 push rax | |
476 | |
477 %ifdef WIN64 | |
478 mov r8, rcx | |
479 mov r9, rdi | |
480 mov rcx, rax | |
481 mov rdx, rbx | |
482 %else | |
483 mov rdx, rcx | |
484 mov rcx, rdi | |
485 mov rdi, rax | |
486 mov rsi, rbx | |
487 %endif | |
488 | |
489 call EXTN(jsimd_h2v1_merged_upsample_sse2) | |
490 | |
491 pop rax | |
492 pop rcx | |
493 pop rdi | |
494 pop rsi | |
495 pop rbx | |
496 pop rdx | |
497 | |
498 add rdi, byte SIZEOF_JSAMPROW ; outptr1 | |
499 add rsi, byte SIZEOF_JSAMPROW ; inptr01 | |
500 | |
501 push rdx ; inptr2 | |
502 push rbx ; inptr1 | |
503 push rsi ; inptr00 | |
504 mov rbx,rsp | |
505 | |
506 push rdi | |
507 push rcx | |
508 push rax | |
509 | |
510 %ifdef WIN64 | |
511 mov r8, rcx | |
512 mov r9, rdi | |
513 mov rcx, rax | |
514 mov rdx, rbx | |
515 %else | |
516 mov rdx, rcx | |
517 mov rcx, rdi | |
518 mov rdi, rax | |
519 mov rsi, rbx | |
520 %endif | |
521 | |
522 call EXTN(jsimd_h2v1_merged_upsample_sse2) | |
523 | |
524 pop rax | |
525 pop rcx | |
526 pop rdi | |
527 pop rsi | |
528 pop rbx | |
529 pop rdx | |
530 | |
531 pop rbx | |
532 uncollect_args | |
533 pop rbp | |
534 ret | |
535 | |
536 ; For some reason, the OS X linker does not honor the request to align the | |
537 ; segment unless we do this. | |
538 align 16 | |
OLD | NEW |