diff options
| author | Luca Barbato <lu_zero@gentoo.org> | 2015-05-10 04:15:59 +0200 |
|---|---|---|
| committer | Luca Barbato <lu_zero@gentoo.org> | 2015-05-31 12:07:11 +0200 |
| commit | 7d07ee5a9bd170a06d26fd967cf8de5d3b1ce331 (patch) | |
| tree | 9ae630ffc9ba2317ae88a9894efdf323d7442210 /libavutil | |
| parent | da60b99a8857d5ca236f32c1799a066e0135a866 (diff) | |
| download | ffmpeg-7d07ee5a9bd170a06d26fd967cf8de5d3b1ce331.tar.gz | |
ppc: cpu: Add support for VSX and POWER8 extensions
Diffstat (limited to 'libavutil')
| -rw-r--r-- | libavutil/cpu.h | 2 | ||||
| -rw-r--r-- | libavutil/ppc/cpu.c | 20 | ||||
| -rw-r--r-- | libavutil/ppc/cpu.h | 2 |
3 files changed, 21 insertions, 3 deletions
diff --git a/libavutil/cpu.h b/libavutil/cpu.h index 7cecccc9c4..d7fdf26f87 100644 --- a/libavutil/cpu.h +++ b/libavutil/cpu.h @@ -54,6 +54,8 @@ #define AV_CPU_FLAG_BMI2 0x40000 ///< Bit Manipulation Instruction Set 2 #define AV_CPU_FLAG_ALTIVEC 0x0001 ///< standard +#define AV_CPU_FLAG_VSX 0x0002 ///< ISA 2.06 +#define AV_CPU_FLAG_POWER8 0x0004 ///< ISA 2.07 #define AV_CPU_FLAG_ARMV5TE (1 << 0) #define AV_CPU_FLAG_ARMV6 (1 << 1) diff --git a/libavutil/ppc/cpu.c b/libavutil/ppc/cpu.c index 27a2853854..298185684b 100644 --- a/libavutil/ppc/cpu.c +++ b/libavutil/ppc/cpu.c @@ -85,6 +85,14 @@ int ff_get_cpu_flags_ppc(void) if (buf[i] == AT_HWCAP) { if (buf[i + 1] & PPC_FEATURE_HAS_ALTIVEC) ret = AV_CPU_FLAG_ALTIVEC; +#ifdef PPC_FEATURE_HAS_VSX + if (buf[i + 1] & PPC_FEATURE_HAS_VSX) + ret |= AV_CPU_FLAG_VSX; +#endif +#ifdef PPC_FEATURE_ARCH_2_07 + if (buf[i + 1] & PPC_FEATURE_HAS_POWER8) + ret |= AV_CPU_FLAG_POWER8; +#endif goto out; } } @@ -103,7 +111,7 @@ out: #define PVR_POWER7 0x003F #define PVR_POWER8 0x004B #define PVR_CELL_PPU 0x0070 - + int ret = 0; int proc_ver; // Support of mfspr PVR emulation added in Linux 2.6.17. __asm__ volatile("mfspr %0, 287" : "=r" (proc_ver)); @@ -118,8 +126,14 @@ out: proc_ver == PVR_POWER7 || proc_ver == PVR_POWER8 || proc_ver == PVR_CELL_PPU) - return AV_CPU_FLAG_ALTIVEC; - return 0; + ret = AV_CPU_FLAG_ALTIVEC; + if (proc_ver == PVR_POWER7 || + proc_ver == PVR_POWER8) + ret |= AV_CPU_FLAG_VSX; + if (proc_ver == PVR_POWER8) + ret |= AV_CPU_FLAG_POWER8; + + return ret; #else // Since we were compiled for AltiVec, just assume we have it // until someone comes up with a proper way (not involving signal hacks). diff --git a/libavutil/ppc/cpu.h b/libavutil/ppc/cpu.h index f8fae58698..a8b823f534 100644 --- a/libavutil/ppc/cpu.h +++ b/libavutil/ppc/cpu.h @@ -24,5 +24,7 @@ #include "libavutil/cpu_internal.h" #define PPC_ALTIVEC(flags) CPUEXT(flags, ALTIVEC) +#define PPC_VSX(flags) CPUEXT(flags, VSX) +#define PPC_POWER8(flags) CPUEXT(flags, POWER8) #endif /* AVUTIL_PPC_CPU_H */ |