diff options
Diffstat (limited to 'src/mesa/drivers/dri/unichrome/via_memcpy.c')
| -rw-r--r-- | src/mesa/drivers/dri/unichrome/via_memcpy.c | 138 |
1 files changed, 0 insertions, 138 deletions
diff --git a/src/mesa/drivers/dri/unichrome/via_memcpy.c b/src/mesa/drivers/dri/unichrome/via_memcpy.c deleted file mode 100644 index d7b05bcaaf9..00000000000 --- a/src/mesa/drivers/dri/unichrome/via_memcpy.c +++ /dev/null @@ -1,138 +0,0 @@ -/* - * Copyright (C) 2004 Thomas Hellstrom, All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sub license, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice (including the - * next paragraph) shall be included in all copies or substantial portions - * of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL - * THE CODE SUPPLIER(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR - * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, - * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER - * DEALINGS IN THE SOFTWARE. - */ - -/* Thomas' orginal gutted for mesa by Keith Whitwell - */ - -#include "via_tex.h" - -#if defined( USE_SSE_ASM ) - -#define SSE_PREFETCH " prefetchnta " -#define FENCE __asm__ __volatile__ ("sfence":::"memory"); - - -#define PREFETCH1(arch_prefetch,from) \ - __asm__ __volatile__ ( \ - "1: " arch_prefetch "(%0)\n" \ - arch_prefetch "32(%0)\n" \ - arch_prefetch "64(%0)\n" \ - arch_prefetch "96(%0)\n" \ - arch_prefetch "128(%0)\n" \ - arch_prefetch "160(%0)\n" \ - arch_prefetch "192(%0)\n" \ - arch_prefetch "256(%0)\n" \ - arch_prefetch "288(%0)\n" \ - "2:\n" \ - : : "r" (from) ); - - - -#define small_memcpy(to,from,n) \ - { \ - __asm__ __volatile__( \ - "movl %2,%%ecx\n\t" \ - "sarl $2,%%ecx\n\t" \ - "rep ; movsl\n\t" \ - "testb $2,%b2\n\t" \ - "je 1f\n\t" \ - "movsw\n" \ - "1:\ttestb $1,%b2\n\t" \ - "je 2f\n\t" \ - "movsb\n" \ - "2:" \ - :"=&D" (to), "=&S" (from) \ - :"q" (n),"0" ((long) to),"1" ((long) from) \ - : "%ecx","memory"); \ - } - - -#define SSE_CPY(prefetch,from,to,dummy,lcnt) \ - if ((unsigned long) from & 15) { \ - __asm__ __volatile__ ( \ - "1:\n" \ - prefetch "320(%1)\n" \ - " movups (%1), %%xmm0\n" \ - " movups 16(%1), %%xmm1\n" \ - " movntps %%xmm0, (%0)\n" \ - " movntps %%xmm1, 16(%0)\n" \ - prefetch "352(%1)\n" \ - " movups 32(%1), %%xmm2\n" \ - " movups 48(%1), %%xmm3\n" \ - " movntps %%xmm2, 32(%0)\n" \ - " movntps %%xmm3, 48(%0)\n" \ - " addl $64,%0\n" \ - " addl $64,%1\n" \ - " decl %2\n" \ - " jne 1b\n" \ - :"=&D"(to), "=&S"(from), "=&r"(dummy) \ - :"0" (to), "1" (from), "2" (lcnt): "memory"); \ - } else { \ - __asm__ __volatile__ ( \ - "2:\n" \ - prefetch "320(%1)\n" \ - " movaps (%1), %%xmm0\n" \ - " movaps 16(%1), %%xmm1\n" \ - " movntps %%xmm0, (%0)\n" \ - " movntps %%xmm1, 16(%0)\n" \ - prefetch "352(%1)\n" \ - " movaps 32(%1), %%xmm2\n" \ - " movaps 48(%1), %%xmm3\n" \ - " movntps %%xmm2, 32(%0)\n" \ - " movntps %%xmm3, 48(%0)\n" \ - " addl $64,%0\n" \ - " addl $64,%1\n" \ - " decl %2\n" \ - " jne 2b\n" \ - :"=&D"(to), "=&S"(from), "=&r"(dummy) \ - :"0" (to), "1" (from), "2" (lcnt): "memory"); \ - } - - - -/* - */ -void via_sse_memcpy(void *to, - const void *from, - size_t sz) - -{ - int dummy; - int lcnt = sz >> 6; - int rest = sz & 63; - - PREFETCH1(SSE_PREFETCH,from); - - if (lcnt > 5) { - lcnt -= 5; - SSE_CPY(SSE_PREFETCH,from,to,dummy,lcnt); - lcnt = 5; - } - if (lcnt) { - SSE_CPY("#",from,to,dummy,lcnt); - } - if (rest) small_memcpy(to, from, rest); - FENCE; -} - -#endif /* defined( USE_SSE_ASM ) */ |