diff options
Diffstat (limited to 'drivers/webpold/dsp/cpu.c')
-rw-r--r-- | drivers/webpold/dsp/cpu.c | 85 |
1 files changed, 0 insertions, 85 deletions
diff --git a/drivers/webpold/dsp/cpu.c b/drivers/webpold/dsp/cpu.c deleted file mode 100644 index 0228734457..0000000000 --- a/drivers/webpold/dsp/cpu.c +++ /dev/null @@ -1,85 +0,0 @@ -// Copyright 2011 Google Inc. All Rights Reserved. -// -// This code is licensed under the same terms as WebM: -// Software License Agreement: http://www.webmproject.org/license/software/ -// Additional IP Rights Grant: http://www.webmproject.org/license/additional/ -// ----------------------------------------------------------------------------- -// -// CPU detection -// -// Author: Christian Duvivier (cduvivier@google.com) - -#include "./dsp.h" - -#if defined(__ANDROID__) -#include <cpu-features.h> -#endif - -#if defined(__cplusplus) || defined(c_plusplus) -extern "C" { -#endif - -//------------------------------------------------------------------------------ -// SSE2 detection. -// - -// apple/darwin gcc-4.0.1 defines __PIC__, but not __pic__ with -fPIC. -#if (defined(__pic__) || defined(__PIC__)) && defined(__i386__) -static WEBP_INLINE void GetCPUInfo(int cpu_info[4], int info_type) { - __asm__ volatile ( - "mov %%ebx, %%edi\n" - "cpuid\n" - "xchg %%edi, %%ebx\n" - : "=a"(cpu_info[0]), "=D"(cpu_info[1]), "=c"(cpu_info[2]), "=d"(cpu_info[3]) - : "a"(info_type)); -} -#elif defined(__i386__) || defined(__x86_64__) -static WEBP_INLINE void GetCPUInfo(int cpu_info[4], int info_type) { - __asm__ volatile ( - "cpuid\n" - : "=a"(cpu_info[0]), "=b"(cpu_info[1]), "=c"(cpu_info[2]), "=d"(cpu_info[3]) - : "a"(info_type)); -} -#elif defined(WEBP_MSC_SSE2) -#define GetCPUInfo __cpuid -#endif - -#if defined(__i386__) || defined(__x86_64__) || defined(WEBP_MSC_SSE2) -static int x86CPUInfo(CPUFeature feature) { - int cpu_info[4]; - GetCPUInfo(cpu_info, 1); - if (feature == kSSE2) { - return 0 != (cpu_info[3] & 0x04000000); - } - if (feature == kSSE3) { - return 0 != (cpu_info[2] & 0x00000001); - } - return 0; -} -VP8CPUInfo VP8GetCPUInfo = x86CPUInfo; -#elif defined(WEBP_ANDROID_NEON) -static int AndroidCPUInfo(CPUFeature feature) { - const AndroidCpuFamily cpu_family = android_getCpuFamily(); - const uint64_t cpu_features = android_getCpuFeatures(); - if (feature == kNEON) { - return (cpu_family == ANDROID_CPU_FAMILY_ARM && - 0 != (cpu_features & ANDROID_CPU_ARM_FEATURE_NEON)); - } - return 0; -} -VP8CPUInfo VP8GetCPUInfo = AndroidCPUInfo; -#elif defined(__ARM_NEON__) -// define a dummy function to enable turning off NEON at runtime by setting -// VP8DecGetCPUInfo = NULL -static int armCPUInfo(CPUFeature feature) { - (void)feature; - return 1; -} -VP8CPUInfo VP8GetCPUInfo = armCPUInfo; -#else -VP8CPUInfo VP8GetCPUInfo = NULL; -#endif - -#if defined(__cplusplus) || defined(c_plusplus) -} // extern "C" -#endif |