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path: root/drivers/webpold/dsp/cpu.c
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Diffstat (limited to 'drivers/webpold/dsp/cpu.c')
-rw-r--r--drivers/webpold/dsp/cpu.c85
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