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ppc: Clarify and extend the cpuid check

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Add POWER entries.
This commit is contained in:
Luca Barbato 2015-05-10 00:49:51 +02:00
parent baa94563fe
commit 3058872c29
1 changed files with 19 additions and 4 deletions
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23
libavutil/ppc/cpu.c
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@ -94,15 +94,30 @@ out:
close(fd);
return ret;
#elif CONFIG_RUNTIME_CPUDETECT
#define PVR_G4_7400 0x000C
#define PVR_G5_970 0x0039
#define PVR_G5_970FX 0x003C
#define PVR_G5_970MP 0x0044
#define PVR_G5_970GX 0x0045
#define PVR_POWER6 0x003E
#define PVR_POWER7 0x003F
#define PVR_POWER8 0x004B
#define PVR_CELL_PPU 0x0070
int proc_ver;
// Support of mfspr PVR emulation added in Linux 2.6.17.
__asm__ volatile("mfspr %0, 287" : "=r" (proc_ver));
proc_ver >>= 16;
if (proc_ver & 0x8000 ||
proc_ver == 0x000c ||
proc_ver == 0x0039 || proc_ver == 0x003c ||
proc_ver == 0x0044 || proc_ver == 0x0045 ||
proc_ver == 0x0070)
proc_ver == PVR_G4_7400 ||
proc_ver == PVR_G5_970 ||
proc_ver == PVR_G5_970FX ||
proc_ver == PVR_G5_970MP ||
proc_ver == PVR_G5_970GX ||
proc_ver == PVR_POWER6 ||
proc_ver == PVR_POWER7 ||
proc_ver == PVR_POWER8 ||
proc_ver == PVR_CELL_PPU)
return AV_CPU_FLAG_ALTIVEC;
return 0;
#else