From 0402d388cb9803652c0f9a52ba7dcb6029fdd0b9 Mon Sep 17 00:00:00 2001 From: marha Date: Sat, 30 Apr 2011 15:25:48 +0000 Subject: Added extra needed files --- mesalib/src/gallium/auxiliary/util/u_sse.h | 255 +++++++++++++++++++++++++++++ 1 file changed, 255 insertions(+) create mode 100644 mesalib/src/gallium/auxiliary/util/u_sse.h (limited to 'mesalib/src/gallium/auxiliary/util/u_sse.h') diff --git a/mesalib/src/gallium/auxiliary/util/u_sse.h b/mesalib/src/gallium/auxiliary/util/u_sse.h new file mode 100644 index 000000000..d000c0fd7 --- /dev/null +++ b/mesalib/src/gallium/auxiliary/util/u_sse.h @@ -0,0 +1,255 @@ +/************************************************************************** + * + * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas. + * 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 TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS 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. + * + **************************************************************************/ + +/** + * @file + * SSE intrinsics portability header. + * + * Although the SSE intrinsics are support by all modern x86 and x86-64 + * compilers, there are some intrisincs missing in some implementations + * (especially older MSVC versions). This header abstracts that away. + */ + +#ifndef U_SSE_H_ +#define U_SSE_H_ + +#include "pipe/p_config.h" + +#if defined(PIPE_ARCH_SSE) + +#include + + +/* MSVC before VC8 does not support the _mm_castxxx_yyy */ +#if defined(_MSC_VER) && _MSC_VER < 1500 + +union __declspec(align(16)) m128_types { + __m128 m128; + __m128i m128i; + __m128d m128d; +}; + +static __inline __m128 +_mm_castsi128_ps(__m128i a) +{ + union m128_types u; + u.m128i = a; + return u.m128; +} + +static __inline __m128i +_mm_castps_si128(__m128 a) +{ + union m128_types u; + u.m128 = a; + return u.m128i; +} + +#endif /* defined(_MSC_VER) && _MSC_VER < 1500 */ + +union m128i { + __m128i m; + ubyte ub[16]; + ushort us[8]; + uint ui[4]; +}; + +static INLINE void u_print_epi8(const char *name, __m128i r) +{ + union { __m128i m; ubyte ub[16]; } u; + u.m = r; + + debug_printf("%s: " + "%02x/" + "%02x/" + "%02x/" + "%02x/" + "%02x/" + "%02x/" + "%02x/" + "%02x/" + "%02x/" + "%02x/" + "%02x/" + "%02x/" + "%02x/" + "%02x/" + "%02x/" + "%02x\n", + name, + u.ub[0], u.ub[1], u.ub[2], u.ub[3], + u.ub[4], u.ub[5], u.ub[6], u.ub[7], + u.ub[8], u.ub[9], u.ub[10], u.ub[11], + u.ub[12], u.ub[13], u.ub[14], u.ub[15]); +} + +static INLINE void u_print_epi16(const char *name, __m128i r) +{ + union { __m128i m; ushort us[8]; } u; + u.m = r; + + debug_printf("%s: " + "%04x/" + "%04x/" + "%04x/" + "%04x/" + "%04x/" + "%04x/" + "%04x/" + "%04x\n", + name, + u.us[0], u.us[1], u.us[2], u.us[3], + u.us[4], u.us[5], u.us[6], u.us[7]); +} + +static INLINE void u_print_epi32(const char *name, __m128i r) +{ + union { __m128i m; uint ui[4]; } u; + u.m = r; + + debug_printf("%s: " + "%08x/" + "%08x/" + "%08x/" + "%08x\n", + name, + u.ui[0], u.ui[1], u.ui[2], u.ui[3]); +} + +static INLINE void u_print_ps(const char *name, __m128 r) +{ + union { __m128 m; float f[4]; } u; + u.m = r; + + debug_printf("%s: " + "%f/" + "%f/" + "%f/" + "%f\n", + name, + u.f[0], u.f[1], u.f[2], u.f[3]); +} + + +#define U_DUMP_EPI32(a) u_print_epi32(#a, a) +#define U_DUMP_EPI16(a) u_print_epi16(#a, a) +#define U_DUMP_EPI8(a) u_print_epi8(#a, a) +#define U_DUMP_PS(a) u_print_ps(#a, a) + + + +#if defined(PIPE_ARCH_SSSE3) + +#include + +#else /* !PIPE_ARCH_SSSE3 */ + +/** + * Describe _mm_shuffle_epi8() with gcc extended inline assembly, for cases + * where -mssse3 is not supported/enabled. + * + * MSVC will never get in here as its intrinsics support do not rely on + * compiler command line options. + */ +static __inline __m128i __attribute__((__gnu_inline__, __always_inline__, __artificial__)) +_mm_shuffle_epi8(__m128i a, __m128i mask) +{ + __m128i result; + __asm__("pshufb %1, %0" + : "=x" (result) + : "xm" (mask), "0" (a)); + return result; +} + +#endif /* !PIPE_ARCH_SSSE3 */ + + + + +/* Provide an SSE2 implementation of _mm_mullo_epi32() in terms of + * _mm_mul_epu32(). + * + * I suspect this works fine for us because one of our operands is + * always positive, but not sure that this can be used for general + * signed integer multiplication. + * + * This seems close enough to the speed of SSE4 and the real + * _mm_mullo_epi32() intrinsic as to not justify adding an sse4 + * dependency at this point. + */ +static INLINE __m128i mm_mullo_epi32(const __m128i a, const __m128i b) +{ + __m128i a4 = _mm_srli_epi64(a, 32); /* shift by one dword */ + __m128i b4 = _mm_srli_epi64(b, 32); /* shift by one dword */ + __m128i ba = _mm_mul_epu32(b, a); /* multply dwords 0, 2 */ + __m128i b4a4 = _mm_mul_epu32(b4, a4); /* multiply dwords 1, 3 */ + + /* Interleave the results, either with shuffles or (slightly + * faster) direct bit operations: + */ +#if 0 + __m128i ba8 = _mm_shuffle_epi32(ba, 8); + __m128i b4a48 = _mm_shuffle_epi32(b4a4, 8); + __m128i result = _mm_unpacklo_epi32(ba8, b4a48); +#else + __m128i mask = _mm_setr_epi32(~0,0,~0,0); + __m128i ba_mask = _mm_and_si128(ba, mask); + __m128i b4a4_mask_shift = _mm_slli_epi64(b4a4, 32); + __m128i result = _mm_or_si128(ba_mask, b4a4_mask_shift); +#endif + + return result; +} + + +static INLINE void +transpose4_epi32(const __m128i * restrict a, + const __m128i * restrict b, + const __m128i * restrict c, + const __m128i * restrict d, + __m128i * restrict o, + __m128i * restrict p, + __m128i * restrict q, + __m128i * restrict r) +{ + __m128i t0 = _mm_unpacklo_epi32(*a, *b); + __m128i t1 = _mm_unpacklo_epi32(*c, *d); + __m128i t2 = _mm_unpackhi_epi32(*a, *b); + __m128i t3 = _mm_unpackhi_epi32(*c, *d); + + *o = _mm_unpacklo_epi64(t0, t1); + *p = _mm_unpackhi_epi64(t0, t1); + *q = _mm_unpacklo_epi64(t2, t3); + *r = _mm_unpackhi_epi64(t2, t3); +} + +#define SCALAR_EPI32(m, i) _mm_shuffle_epi32((m), _MM_SHUFFLE(i,i,i,i)) + + +#endif /* PIPE_ARCH_SSE */ + +#endif /* U_SSE_H_ */ -- cgit v1.2.3