diff options
| -rw-r--r-- | configure.ac | 45 | ||||
| -rw-r--r-- | pixman/Makefile.am | 12 | ||||
| -rw-r--r-- | pixman/pixman-private.h | 5 | ||||
| -rw-r--r-- | pixman/pixman-ssse3.c | 50 | ||||
| -rw-r--r-- | pixman/pixman-x86.c | 15 |
5 files changed, 125 insertions, 2 deletions
diff --git a/configure.ac b/configure.ac index daf4062b..263c63ed 100644 --- a/configure.ac +++ b/configure.ac @@ -437,6 +437,50 @@ fi AM_CONDITIONAL(USE_SSE2, test $have_sse2_intrinsics = yes) dnl =========================================================================== +dnl Check for SSSE3 + +if test "x$SSSE3_CFLAGS" = "x" ; then + SSSE3_CFLAGS="-mssse3 -Winline" +fi + +have_ssse3_intrinsics=no +AC_MSG_CHECKING(whether to use SSSE3 intrinsics) +xserver_save_CFLAGS=$CFLAGS +CFLAGS="$SSSE3_CFLAGS $CFLAGS" + +AC_COMPILE_IFELSE([AC_LANG_SOURCE([[ +#include <mmintrin.h> +#include <xmmintrin.h> +#include <emmintrin.h> +#include <tmmintrin.h> +int main () { + __m128i a = _mm_set1_epi32 (0), b = _mm_set1_epi32 (0), c; + c = _mm_maddubs_epi16 (a, b); + return 0; +}]])], have_ssse3_intrinsics=yes) +CFLAGS=$xserver_save_CFLAGS + +AC_ARG_ENABLE(ssse3, + [AC_HELP_STRING([--disable-ssse3], + [disable SSSE3 fast paths])], + [enable_ssse3=$enableval], [enable_ssse3=auto]) + +if test $enable_ssse3 = no ; then + have_ssse3_intrinsics=disabled +fi + +if test $have_ssse3_intrinsics = yes ; then + AC_DEFINE(USE_SSSE3, 1, [use SSSE3 compiler intrinsics]) +fi + +AC_MSG_RESULT($have_ssse3_intrinsics) +if test $enable_ssse3 = yes && test $have_ssse3_intrinsics = no ; then + AC_MSG_ERROR([SSSE3 intrinsics not detected]) +fi + +AM_CONDITIONAL(USE_SSSE3, test $have_ssse3_intrinsics = yes) + +dnl =========================================================================== dnl Other special flags needed when building code using MMX or SSE instructions case $host_os in solaris*) @@ -471,6 +515,7 @@ AC_SUBST(MMX_CFLAGS) AC_SUBST(MMX_LDFLAGS) AC_SUBST(SSE2_CFLAGS) AC_SUBST(SSE2_LDFLAGS) +AC_SUBST(SSSE3_CFLAGS) dnl =========================================================================== dnl Check for VMX/Altivec diff --git a/pixman/Makefile.am b/pixman/Makefile.am index b9ea7542..b376d9ae 100644 --- a/pixman/Makefile.am +++ b/pixman/Makefile.am @@ -52,6 +52,18 @@ libpixman_1_la_LIBADD += libpixman-sse2.la ASM_CFLAGS_sse2=$(SSE2_CFLAGS) endif +# ssse3 code +if USE_SSSE3 +noinst_LTLIBRARIES += libpixman-ssse3.la +libpixman_ssse3_la_SOURCES = \ + pixman-ssse3.c +libpixman_ssse3_la_CFLAGS = $(SSSE3_CFLAGS) +libpixman_1_la_LDFLAGS += $(SSSE3_LDFLAGS) +libpixman_1_la_LIBADD += libpixman-ssse3.la + +ASM_CFLAGS_ssse3=$(SSSE3_CFLAGS) +endif + # arm simd code if USE_ARM_SIMD noinst_LTLIBRARIES += libpixman-arm-simd.la diff --git a/pixman/pixman-private.h b/pixman/pixman-private.h index 535117d4..6ca13b21 100644 --- a/pixman/pixman-private.h +++ b/pixman/pixman-private.h @@ -593,6 +593,11 @@ pixman_implementation_t * _pixman_implementation_create_sse2 (pixman_implementation_t *fallback); #endif +#ifdef USE_SSSE3 +pixman_implementation_t * +_pixman_implementation_create_ssse3 (pixman_implementation_t *fallback); +#endif + #ifdef USE_ARM_SIMD pixman_implementation_t * _pixman_implementation_create_arm_simd (pixman_implementation_t *fallback); diff --git a/pixman/pixman-ssse3.c b/pixman/pixman-ssse3.c new file mode 100644 index 00000000..19d71e7f --- /dev/null +++ b/pixman/pixman-ssse3.c @@ -0,0 +1,50 @@ +/* + * Copyright © 2013 Soren Sandmann Pedersen + * Copyright © 2013 Red Hat, Inc. + * + * 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, sublicense, + * 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 NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS 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. + * + * Author: Soren Sandmann (soren.sandmann@gmail.com) + */ +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif + +#include <stdlib.h> +#include <mmintrin.h> +#include <xmmintrin.h> +#include <emmintrin.h> +#include <tmmintrin.h> +#include "pixman-private.h" +#include "pixman-inlines.h" + +static const pixman_fast_path_t ssse3_fast_paths[] = +{ + { PIXMAN_OP_NONE }, +}; + +pixman_implementation_t * +_pixman_implementation_create_ssse3 (pixman_implementation_t *fallback) +{ + pixman_implementation_t *imp = + _pixman_implementation_create (fallback, ssse3_fast_paths); + + return imp; +} diff --git a/pixman/pixman-x86.c b/pixman/pixman-x86.c index 57e4d1f3..65277602 100644 --- a/pixman/pixman-x86.c +++ b/pixman/pixman-x86.c @@ -25,7 +25,7 @@ #include "pixman-private.h" -#if defined(USE_X86_MMX) || defined (USE_SSE2) +#if defined(USE_X86_MMX) || defined (USE_SSE2) || defined (USE_SSSE3) /* The CPU detection code needs to be in a file not compiled with * "-mmmx -msse", as gcc would generate CMOV instructions otherwise @@ -39,7 +39,8 @@ typedef enum X86_MMX_EXTENSIONS = (1 << 1), X86_SSE = (1 << 2) | X86_MMX_EXTENSIONS, X86_SSE2 = (1 << 3), - X86_CMOV = (1 << 4) + X86_CMOV = (1 << 4), + X86_SSSE3 = (1 << 5) } cpu_features_t; #ifdef HAVE_GETISAX @@ -64,6 +65,8 @@ detect_cpu_features (void) features |= X86_SSE; if (result & AV_386_SSE2) features |= X86_SSE2; + if (result & AV_386_SSSE3) + features |= X86_SSSE3; } return features; @@ -167,6 +170,8 @@ detect_cpu_features (void) features |= X86_SSE; if (d & (1 << 26)) features |= X86_SSE2; + if (d & (1 << 9)) + features |= X86_SSSE3; /* Check for AMD specific features */ if ((features & X86_MMX) && !(features & X86_SSE)) @@ -222,6 +227,7 @@ _pixman_x86_get_implementations (pixman_implementation_t *imp) { #define MMX_BITS (X86_MMX | X86_MMX_EXTENSIONS) #define SSE2_BITS (X86_MMX | X86_MMX_EXTENSIONS | X86_SSE | X86_SSE2) +#define SSSE3_BITS (X86_SSE | X86_SSE2 | X86_SSSE3) #ifdef USE_X86_MMX if (!_pixman_disabled ("mmx") && have_feature (MMX_BITS)) @@ -233,5 +239,10 @@ _pixman_x86_get_implementations (pixman_implementation_t *imp) imp = _pixman_implementation_create_sse2 (imp); #endif +#ifdef USE_SSSE3 + if (!_pixman_disabled ("ssse3") && have_feature (SSSE3_BITS)) + imp = _pixman_implementation_create_ssse3 (imp); +#endif + return imp; } |