diff options
Diffstat (limited to 'src/gallium/auxiliary')
| -rw-r--r-- | src/gallium/auxiliary/Makefile.sources | 2 | ||||
| -rw-r--r-- | src/gallium/auxiliary/meson.build | 2 | ||||
| -rw-r--r-- | src/gallium/auxiliary/util/u_cpu_detect.c | 593 | ||||
| -rw-r--r-- | src/gallium/auxiliary/util/u_cpu_detect.h | 101 |
4 files changed, 0 insertions, 698 deletions
diff --git a/src/gallium/auxiliary/Makefile.sources b/src/gallium/auxiliary/Makefile.sources index 72cf2ec6443..b60b25a0e4c 100644 --- a/src/gallium/auxiliary/Makefile.sources +++ b/src/gallium/auxiliary/Makefile.sources @@ -222,8 +222,6 @@ C_SOURCES := \ util/u_box.h \ util/u_cache.c \ util/u_cache.h \ - util/u_cpu_detect.c \ - util/u_cpu_detect.h \ util/u_debug_gallium.h \ util/u_debug_gallium.c \ util/u_debug_describe.c \ diff --git a/src/gallium/auxiliary/meson.build b/src/gallium/auxiliary/meson.build index 1b5eb4d155d..e1497992b17 100644 --- a/src/gallium/auxiliary/meson.build +++ b/src/gallium/auxiliary/meson.build @@ -242,8 +242,6 @@ files_libgallium = files( 'util/u_box.h', 'util/u_cache.c', 'util/u_cache.h', - 'util/u_cpu_detect.c', - 'util/u_cpu_detect.h', 'util/u_debug_gallium.h', 'util/u_debug_gallium.c', 'util/u_debug_describe.c', diff --git a/src/gallium/auxiliary/util/u_cpu_detect.c b/src/gallium/auxiliary/util/u_cpu_detect.c deleted file mode 100644 index 4dbb4d8fb58..00000000000 --- a/src/gallium/auxiliary/util/u_cpu_detect.c +++ /dev/null @@ -1,593 +0,0 @@ -/************************************************************************** - * - * Copyright 2008 Dennis Smit - * 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 - * on 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 - * AUTHORS, COPYRIGHT HOLDERS, AND/OR THEIR 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 - * CPU feature detection. - * - * @author Dennis Smit - * @author Based on the work of Eric Anholt <[email protected]> - */ - -#include "pipe/p_config.h" - -#include "util/u_debug.h" -#include "u_cpu_detect.h" -#include "c11/threads.h" - -#if defined(PIPE_ARCH_PPC) -#if defined(PIPE_OS_APPLE) -#include <sys/sysctl.h> -#else -#include <signal.h> -#include <setjmp.h> -#endif -#endif - -#if defined(PIPE_OS_NETBSD) || defined(PIPE_OS_OPENBSD) -#include <sys/param.h> -#include <sys/sysctl.h> -#include <machine/cpu.h> -#endif - -#if defined(PIPE_OS_FREEBSD) || defined(PIPE_OS_DRAGONFLY) -#include <sys/types.h> -#include <sys/sysctl.h> -#endif - -#if defined(PIPE_OS_LINUX) -#include <signal.h> -#include <fcntl.h> -#include <elf.h> -#endif - -#ifdef PIPE_OS_UNIX -#include <unistd.h> -#endif - -#if defined(HAS_ANDROID_CPUFEATURES) -#include <cpu-features.h> -#endif - -#if defined(PIPE_OS_WINDOWS) -#include <windows.h> -#if defined(PIPE_CC_MSVC) -#include <intrin.h> -#endif -#endif - - -#ifdef DEBUG -DEBUG_GET_ONCE_BOOL_OPTION(dump_cpu, "GALLIUM_DUMP_CPU", FALSE) -#endif - - -struct util_cpu_caps util_cpu_caps; - -#if defined(PIPE_ARCH_X86) || defined(PIPE_ARCH_X86_64) -static int has_cpuid(void); -#endif - - -#if defined(PIPE_ARCH_PPC) && !defined(PIPE_OS_APPLE) -static jmp_buf __lv_powerpc_jmpbuf; -static volatile sig_atomic_t __lv_powerpc_canjump = 0; - -static void -sigill_handler(int sig) -{ - if (!__lv_powerpc_canjump) { - signal (sig, SIG_DFL); - raise (sig); - } - - __lv_powerpc_canjump = 0; - longjmp(__lv_powerpc_jmpbuf, 1); -} -#endif - -#if defined(PIPE_ARCH_PPC) -static void -check_os_altivec_support(void) -{ -#if defined(PIPE_OS_APPLE) - int sels[2] = {CTL_HW, HW_VECTORUNIT}; - int has_vu = 0; - int len = sizeof (has_vu); - int err; - - err = sysctl(sels, 2, &has_vu, &len, NULL, 0); - - if (err == 0) { - if (has_vu != 0) { - util_cpu_caps.has_altivec = 1; - } - } -#else /* !PIPE_OS_APPLE */ - /* not on Apple/Darwin, do it the brute-force way */ - /* this is borrowed from the libmpeg2 library */ - signal(SIGILL, sigill_handler); - if (setjmp(__lv_powerpc_jmpbuf)) { - signal(SIGILL, SIG_DFL); - } else { - boolean enable_altivec = TRUE; /* Default: enable if available, and if not overridden */ - boolean enable_vsx = TRUE; -#ifdef DEBUG - /* Disabling Altivec code generation is not the same as disabling VSX code generation, - * which can be done simply by passing -mattr=-vsx to the LLVM compiler; cf. - * lp_build_create_jit_compiler_for_module(). - * If you want to disable Altivec code generation, the best place to do it is here. - */ - char *env_control = getenv("GALLIVM_ALTIVEC"); /* 1=enable (default); 0=disable */ - if (env_control && env_control[0] == '0') { - enable_altivec = FALSE; - } -#endif - /* VSX instructions can be explicitly enabled/disabled via GALLIVM_VSX=1 or 0 */ - char *env_vsx = getenv("GALLIVM_VSX"); - if (env_vsx && env_vsx[0] == '0') { - enable_vsx = FALSE; - } - if (enable_altivec) { - __lv_powerpc_canjump = 1; - - __asm __volatile - ("mtspr 256, %0\n\t" - "vand %%v0, %%v0, %%v0" - : - : "r" (-1)); - - util_cpu_caps.has_altivec = 1; - - if (enable_vsx) { - __asm __volatile("xxland %vs0, %vs0, %vs0"); - util_cpu_caps.has_vsx = 1; - } - signal(SIGILL, SIG_DFL); - } else { - util_cpu_caps.has_altivec = 0; - } - } -#endif /* !PIPE_OS_APPLE */ -} -#endif /* PIPE_ARCH_PPC */ - - -#if defined(PIPE_ARCH_X86) || defined (PIPE_ARCH_X86_64) -static int has_cpuid(void) -{ -#if defined(PIPE_ARCH_X86) -#if defined(PIPE_OS_GCC) - int a, c; - - __asm __volatile - ("pushf\n" - "popl %0\n" - "movl %0, %1\n" - "xorl $0x200000, %0\n" - "push %0\n" - "popf\n" - "pushf\n" - "popl %0\n" - : "=a" (a), "=c" (c) - : - : "cc"); - - return a != c; -#else - /* FIXME */ - return 1; -#endif -#elif defined(PIPE_ARCH_X86_64) - return 1; -#else - return 0; -#endif -} - - -/** - * @sa cpuid.h included in gcc-4.3 onwards. - * @sa http://msdn.microsoft.com/en-us/library/hskdteyh.aspx - */ -static inline void -cpuid(uint32_t ax, uint32_t *p) -{ -#if defined(PIPE_CC_GCC) && defined(PIPE_ARCH_X86) - __asm __volatile ( - "xchgl %%ebx, %1\n\t" - "cpuid\n\t" - "xchgl %%ebx, %1" - : "=a" (p[0]), - "=S" (p[1]), - "=c" (p[2]), - "=d" (p[3]) - : "0" (ax) - ); -#elif defined(PIPE_CC_GCC) && defined(PIPE_ARCH_X86_64) - __asm __volatile ( - "cpuid\n\t" - : "=a" (p[0]), - "=b" (p[1]), - "=c" (p[2]), - "=d" (p[3]) - : "0" (ax) - ); -#elif defined(PIPE_CC_MSVC) - __cpuid(p, ax); -#else - p[0] = 0; - p[1] = 0; - p[2] = 0; - p[3] = 0; -#endif -} - -/** - * @sa cpuid.h included in gcc-4.4 onwards. - * @sa http://msdn.microsoft.com/en-us/library/hskdteyh%28v=vs.90%29.aspx - */ -static inline void -cpuid_count(uint32_t ax, uint32_t cx, uint32_t *p) -{ -#if defined(PIPE_CC_GCC) && defined(PIPE_ARCH_X86) - __asm __volatile ( - "xchgl %%ebx, %1\n\t" - "cpuid\n\t" - "xchgl %%ebx, %1" - : "=a" (p[0]), - "=S" (p[1]), - "=c" (p[2]), - "=d" (p[3]) - : "0" (ax), "2" (cx) - ); -#elif defined(PIPE_CC_GCC) && defined(PIPE_ARCH_X86_64) - __asm __volatile ( - "cpuid\n\t" - : "=a" (p[0]), - "=b" (p[1]), - "=c" (p[2]), - "=d" (p[3]) - : "0" (ax), "2" (cx) - ); -#elif defined(PIPE_CC_MSVC) - __cpuidex(p, ax, cx); -#else - p[0] = 0; - p[1] = 0; - p[2] = 0; - p[3] = 0; -#endif -} - - -static inline uint64_t xgetbv(void) -{ -#if defined(PIPE_CC_GCC) - uint32_t eax, edx; - - __asm __volatile ( - ".byte 0x0f, 0x01, 0xd0" // xgetbv isn't supported on gcc < 4.4 - : "=a"(eax), - "=d"(edx) - : "c"(0) - ); - - return ((uint64_t)edx << 32) | eax; -#elif defined(PIPE_CC_MSVC) && defined(_MSC_FULL_VER) && defined(_XCR_XFEATURE_ENABLED_MASK) - return _xgetbv(_XCR_XFEATURE_ENABLED_MASK); -#else - return 0; -#endif -} - - -#if defined(PIPE_ARCH_X86) -PIPE_ALIGN_STACK static inline boolean sse2_has_daz(void) -{ - struct { - uint32_t pad1[7]; - uint32_t mxcsr_mask; - uint32_t pad2[128-8]; - } PIPE_ALIGN_VAR(16) fxarea; - - fxarea.mxcsr_mask = 0; -#if defined(PIPE_CC_GCC) - __asm __volatile ("fxsave %0" : "+m" (fxarea)); -#elif defined(PIPE_CC_MSVC) || defined(PIPE_CC_ICL) - _fxsave(&fxarea); -#else - fxarea.mxcsr_mask = 0; -#endif - return !!(fxarea.mxcsr_mask & (1 << 6)); -} -#endif - -#endif /* X86 or X86_64 */ - -#if defined(PIPE_ARCH_ARM) -static void -check_os_arm_support(void) -{ - /* - * On Android, the cpufeatures library is preferred way of checking - * CPU capabilities. However, it is not available for standalone Mesa - * builds, i.e. when Android build system (Android.mk-based) is not - * used. Because of this we cannot use PIPE_OS_ANDROID here, but rather - * have a separate macro that only gets enabled from respective Android.mk. - */ -#if defined(HAS_ANDROID_CPUFEATURES) - AndroidCpuFamily cpu_family = android_getCpuFamily(); - uint64_t cpu_features = android_getCpuFeatures(); - - if (cpu_family == ANDROID_CPU_FAMILY_ARM) { - if (cpu_features & ANDROID_CPU_ARM_FEATURE_NEON) - util_cpu_caps.has_neon = 1; - } -#elif defined(PIPE_OS_LINUX) - Elf32_auxv_t aux; - int fd; - - fd = open("/proc/self/auxv", O_RDONLY | O_CLOEXEC); - if (fd >= 0) { - while (read(fd, &aux, sizeof(Elf32_auxv_t)) == sizeof(Elf32_auxv_t)) { - if (aux.a_type == AT_HWCAP) { - uint32_t hwcap = aux.a_un.a_val; - - util_cpu_caps.has_neon = (hwcap >> 12) & 1; - break; - } - } - close (fd); - } -#endif /* PIPE_OS_LINUX */ -} -#endif /* PIPE_ARCH_ARM */ - -static void -get_cpu_topology(void) -{ - uint32_t regs[4]; - - /* Default. This is correct if L3 is not present or there is only one. */ - util_cpu_caps.cores_per_L3 = util_cpu_caps.nr_cpus; - -#if defined(PIPE_ARCH_X86) || defined(PIPE_ARCH_X86_64) - /* AMD Zen */ - if (util_cpu_caps.x86_cpu_type == 0x17) { - /* Query the L3 cache topology information. */ - cpuid_count(0x8000001D, 3, regs); - unsigned cache_level = (regs[0] >> 5) & 0x7; - unsigned cores_per_cache = ((regs[0] >> 14) & 0xfff) + 1; - - if (cache_level == 3) - util_cpu_caps.cores_per_L3 = cores_per_cache; - } -#endif -} - -static void -util_cpu_detect_once(void) -{ - memset(&util_cpu_caps, 0, sizeof util_cpu_caps); - - /* Count the number of CPUs in system */ -#if defined(PIPE_OS_WINDOWS) - { - SYSTEM_INFO system_info; - GetSystemInfo(&system_info); - util_cpu_caps.nr_cpus = system_info.dwNumberOfProcessors; - } -#elif defined(PIPE_OS_UNIX) && defined(_SC_NPROCESSORS_ONLN) - util_cpu_caps.nr_cpus = sysconf(_SC_NPROCESSORS_ONLN); - if (util_cpu_caps.nr_cpus == ~0) - util_cpu_caps.nr_cpus = 1; -#elif defined(PIPE_OS_BSD) - { - int mib[2], ncpu; - int len; - - mib[0] = CTL_HW; - mib[1] = HW_NCPU; - - len = sizeof (ncpu); - sysctl(mib, 2, &ncpu, &len, NULL, 0); - util_cpu_caps.nr_cpus = ncpu; - } -#else - util_cpu_caps.nr_cpus = 1; -#endif - - /* Make the fallback cacheline size nonzero so that it can be - * safely passed to align(). - */ - util_cpu_caps.cacheline = sizeof(void *); - -#if defined(PIPE_ARCH_X86) || defined(PIPE_ARCH_X86_64) - if (has_cpuid()) { - uint32_t regs[4]; - uint32_t regs2[4]; - - util_cpu_caps.cacheline = 32; - - /* Get max cpuid level */ - cpuid(0x00000000, regs); - - if (regs[0] >= 0x00000001) { - unsigned int cacheline; - - cpuid (0x00000001, regs2); - - util_cpu_caps.x86_cpu_type = (regs2[0] >> 8) & 0xf; - /* Add "extended family". */ - if (util_cpu_caps.x86_cpu_type == 0xf) - util_cpu_caps.x86_cpu_type += ((regs2[0] >> 20) & 0xff); - - /* general feature flags */ - util_cpu_caps.has_tsc = (regs2[3] >> 4) & 1; /* 0x0000010 */ - util_cpu_caps.has_mmx = (regs2[3] >> 23) & 1; /* 0x0800000 */ - util_cpu_caps.has_sse = (regs2[3] >> 25) & 1; /* 0x2000000 */ - util_cpu_caps.has_sse2 = (regs2[3] >> 26) & 1; /* 0x4000000 */ - util_cpu_caps.has_sse3 = (regs2[2] >> 0) & 1; /* 0x0000001 */ - util_cpu_caps.has_ssse3 = (regs2[2] >> 9) & 1; /* 0x0000020 */ - util_cpu_caps.has_sse4_1 = (regs2[2] >> 19) & 1; - util_cpu_caps.has_sse4_2 = (regs2[2] >> 20) & 1; - util_cpu_caps.has_popcnt = (regs2[2] >> 23) & 1; - util_cpu_caps.has_avx = ((regs2[2] >> 28) & 1) && // AVX - ((regs2[2] >> 27) & 1) && // OSXSAVE - ((xgetbv() & 6) == 6); // XMM & YMM - util_cpu_caps.has_f16c = ((regs2[2] >> 29) & 1) && util_cpu_caps.has_avx; - util_cpu_caps.has_fma = ((regs2[2] >> 12) & 1) && util_cpu_caps.has_avx; - util_cpu_caps.has_mmx2 = util_cpu_caps.has_sse; /* SSE cpus supports mmxext too */ -#if defined(PIPE_ARCH_X86_64) - util_cpu_caps.has_daz = 1; -#else - util_cpu_caps.has_daz = util_cpu_caps.has_sse3 || - (util_cpu_caps.has_sse2 && sse2_has_daz()); -#endif - - cacheline = ((regs2[1] >> 8) & 0xFF) * 8; - if (cacheline > 0) - util_cpu_caps.cacheline = cacheline; - } - if (util_cpu_caps.has_avx && regs[0] >= 0x00000007) { - uint32_t regs7[4]; - cpuid_count(0x00000007, 0x00000000, regs7); - util_cpu_caps.has_avx2 = (regs7[1] >> 5) & 1; - } - - // check for avx512 - if (((regs2[2] >> 27) & 1) && // OSXSAVE - (xgetbv() & (0x7 << 5)) && // OPMASK: upper-256 enabled by OS - ((xgetbv() & 6) == 6)) { // XMM/YMM enabled by OS - uint32_t regs3[4]; - cpuid_count(0x00000007, 0x00000000, regs3); - util_cpu_caps.has_avx512f = (regs3[1] >> 16) & 1; - util_cpu_caps.has_avx512dq = (regs3[1] >> 17) & 1; - util_cpu_caps.has_avx512ifma = (regs3[1] >> 21) & 1; - util_cpu_caps.has_avx512pf = (regs3[1] >> 26) & 1; - util_cpu_caps.has_avx512er = (regs3[1] >> 27) & 1; - util_cpu_caps.has_avx512cd = (regs3[1] >> 28) & 1; - util_cpu_caps.has_avx512bw = (regs3[1] >> 30) & 1; - util_cpu_caps.has_avx512vl = (regs3[1] >> 31) & 1; - util_cpu_caps.has_avx512vbmi = (regs3[2] >> 1) & 1; - } - - if (regs[1] == 0x756e6547 && regs[2] == 0x6c65746e && regs[3] == 0x49656e69) { - /* GenuineIntel */ - util_cpu_caps.has_intel = 1; - } - - cpuid(0x80000000, regs); - - if (regs[0] >= 0x80000001) { - - cpuid(0x80000001, regs2); - - util_cpu_caps.has_mmx |= (regs2[3] >> 23) & 1; - util_cpu_caps.has_mmx2 |= (regs2[3] >> 22) & 1; - util_cpu_caps.has_3dnow = (regs2[3] >> 31) & 1; - util_cpu_caps.has_3dnow_ext = (regs2[3] >> 30) & 1; - - util_cpu_caps.has_xop = util_cpu_caps.has_avx && - ((regs2[2] >> 11) & 1); - } - - if (regs[0] >= 0x80000006) { - /* should we really do this if the clflush size above worked? */ - unsigned int cacheline; - cpuid(0x80000006, regs2); - cacheline = regs2[2] & 0xFF; - if (cacheline > 0) - util_cpu_caps.cacheline = cacheline; - } - - if (!util_cpu_caps.has_sse) { - util_cpu_caps.has_sse2 = 0; - util_cpu_caps.has_sse3 = 0; - util_cpu_caps.has_ssse3 = 0; - util_cpu_caps.has_sse4_1 = 0; - } - } -#endif /* PIPE_ARCH_X86 || PIPE_ARCH_X86_64 */ - -#if defined(PIPE_ARCH_ARM) - check_os_arm_support(); -#endif - -#if defined(PIPE_ARCH_PPC) - check_os_altivec_support(); -#endif /* PIPE_ARCH_PPC */ - - get_cpu_topology(); - -#ifdef DEBUG - if (debug_get_option_dump_cpu()) { - debug_printf("util_cpu_caps.nr_cpus = %u\n", util_cpu_caps.nr_cpus); - - debug_printf("util_cpu_caps.x86_cpu_type = %u\n", util_cpu_caps.x86_cpu_type); - debug_printf("util_cpu_caps.cacheline = %u\n", util_cpu_caps.cacheline); - - debug_printf("util_cpu_caps.has_tsc = %u\n", util_cpu_caps.has_tsc); - debug_printf("util_cpu_caps.has_mmx = %u\n", util_cpu_caps.has_mmx); - debug_printf("util_cpu_caps.has_mmx2 = %u\n", util_cpu_caps.has_mmx2); - debug_printf("util_cpu_caps.has_sse = %u\n", util_cpu_caps.has_sse); - debug_printf("util_cpu_caps.has_sse2 = %u\n", util_cpu_caps.has_sse2); - debug_printf("util_cpu_caps.has_sse3 = %u\n", util_cpu_caps.has_sse3); - debug_printf("util_cpu_caps.has_ssse3 = %u\n", util_cpu_caps.has_ssse3); - debug_printf("util_cpu_caps.has_sse4_1 = %u\n", util_cpu_caps.has_sse4_1); - debug_printf("util_cpu_caps.has_sse4_2 = %u\n", util_cpu_caps.has_sse4_2); - debug_printf("util_cpu_caps.has_avx = %u\n", util_cpu_caps.has_avx); - debug_printf("util_cpu_caps.has_avx2 = %u\n", util_cpu_caps.has_avx2); - debug_printf("util_cpu_caps.has_f16c = %u\n", util_cpu_caps.has_f16c); - debug_printf("util_cpu_caps.has_popcnt = %u\n", util_cpu_caps.has_popcnt); - debug_printf("util_cpu_caps.has_3dnow = %u\n", util_cpu_caps.has_3dnow); - debug_printf("util_cpu_caps.has_3dnow_ext = %u\n", util_cpu_caps.has_3dnow_ext); - debug_printf("util_cpu_caps.has_xop = %u\n", util_cpu_caps.has_xop); - debug_printf("util_cpu_caps.has_altivec = %u\n", util_cpu_caps.has_altivec); - debug_printf("util_cpu_caps.has_vsx = %u\n", util_cpu_caps.has_vsx); - debug_printf("util_cpu_caps.has_neon = %u\n", util_cpu_caps.has_neon); - debug_printf("util_cpu_caps.has_daz = %u\n", util_cpu_caps.has_daz); - debug_printf("util_cpu_caps.has_avx512f = %u\n", util_cpu_caps.has_avx512f); - debug_printf("util_cpu_caps.has_avx512dq = %u\n", util_cpu_caps.has_avx512dq); - debug_printf("util_cpu_caps.has_avx512ifma = %u\n", util_cpu_caps.has_avx512ifma); - debug_printf("util_cpu_caps.has_avx512pf = %u\n", util_cpu_caps.has_avx512pf); - debug_printf("util_cpu_caps.has_avx512er = %u\n", util_cpu_caps.has_avx512er); - debug_printf("util_cpu_caps.has_avx512cd = %u\n", util_cpu_caps.has_avx512cd); - debug_printf("util_cpu_caps.has_avx512bw = %u\n", util_cpu_caps.has_avx512bw); - debug_printf("util_cpu_caps.has_avx512vl = %u\n", util_cpu_caps.has_avx512vl); - debug_printf("util_cpu_caps.has_avx512vbmi = %u\n", util_cpu_caps.has_avx512vbmi); - } -#endif -} - -static once_flag cpu_once_flag = ONCE_FLAG_INIT; - -void -util_cpu_detect(void) -{ - call_once(&cpu_once_flag, util_cpu_detect_once); -} diff --git a/src/gallium/auxiliary/util/u_cpu_detect.h b/src/gallium/auxiliary/util/u_cpu_detect.h deleted file mode 100644 index efc910d1473..00000000000 --- a/src/gallium/auxiliary/util/u_cpu_detect.h +++ /dev/null @@ -1,101 +0,0 @@ -/************************************************************************** - * - * Copyright 2008 Dennis Smit - * 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 - * on 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 - * AUTHORS, COPYRIGHT HOLDERS, AND/OR THEIR 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 - * CPU feature detection. - * - * @author Dennis Smit - * @author Based on the work of Eric Anholt <[email protected]> - */ - -#ifndef _UTIL_CPU_DETECT_H -#define _UTIL_CPU_DETECT_H - - -#include "pipe/p_compiler.h" -#include "pipe/p_config.h" - - -#ifdef __cplusplus -extern "C" { -#endif - - -struct util_cpu_caps { - int nr_cpus; - - /* Feature flags */ - int x86_cpu_type; - unsigned cacheline; - unsigned cores_per_L3; - - unsigned has_intel:1; - unsigned has_tsc:1; - unsigned has_mmx:1; - unsigned has_mmx2:1; - unsigned has_sse:1; - unsigned has_sse2:1; - unsigned has_sse3:1; - unsigned has_ssse3:1; - unsigned has_sse4_1:1; - unsigned has_sse4_2:1; - unsigned has_popcnt:1; - unsigned has_avx:1; - unsigned has_avx2:1; - unsigned has_f16c:1; - unsigned has_fma:1; - unsigned has_3dnow:1; - unsigned has_3dnow_ext:1; - unsigned has_xop:1; - unsigned has_altivec:1; - unsigned has_vsx:1; - unsigned has_daz:1; - unsigned has_neon:1; - - unsigned has_avx512f:1; - unsigned has_avx512dq:1; - unsigned has_avx512ifma:1; - unsigned has_avx512pf:1; - unsigned has_avx512er:1; - unsigned has_avx512cd:1; - unsigned has_avx512bw:1; - unsigned has_avx512vl:1; - unsigned has_avx512vbmi:1; -}; - -extern struct util_cpu_caps -util_cpu_caps; - -void util_cpu_detect(void); - - -#ifdef __cplusplus -} -#endif - - -#endif /* _UTIL_CPU_DETECT_H */ |