Revision ccf22d3e libavcodec/ppc/check_altivec.c
| libavcodec/ppc/check_altivec.c | ||
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| 43 | 43 |
* is present. |
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*/ |
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int has_altivec(void)
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int mm_support(void)
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{
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#if HAVE_ALTIVEC |
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#ifdef __AMIGAOS4__ |
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ULONG result = 0; |
| 50 | 51 |
extern struct ExecIFace *IExec; |
| 51 | 52 |
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IExec->GetCPUInfoTags(GCIT_VectorUnit, &result, TAG_DONE); |
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if (result == VECTORTYPE_ALTIVEC) return 1; |
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if (result == VECTORTYPE_ALTIVEC) |
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return AV_CPU_FLAG_ALTIVEC; |
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return 0; |
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#elif defined(__APPLE__) || defined(__OpenBSD__) |
| 56 | 58 |
#ifdef __OpenBSD__ |
| ... | ... | |
| 64 | 66 |
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err = sysctl(sels, 2, &has_vu, &len, NULL, 0); |
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if (err == 0) return has_vu != 0; |
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if (err == 0) |
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return has_vu ? AV_CPU_FLAG_ALTIVEC : 0; |
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return 0; |
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#elif CONFIG_RUNTIME_CPUDETECT |
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int proc_ver; |
| ... | ... | |
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proc_ver == 0x0039 || proc_ver == 0x003c || |
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proc_ver == 0x0044 || proc_ver == 0x0045 || |
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proc_ver == 0x0070) |
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return 1;
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return AV_CPU_FLAG_ALTIVEC;
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return 0; |
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#else |
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// Since we were compiled for AltiVec, just assume we have it |
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// until someone comes up with a proper way (not involving signal hacks). |
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return 1;
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return AV_CPU_FLAG_ALTIVEC;
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#endif /* __AMIGAOS4__ */ |
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#endif /* HAVE_ALTIVEC */ |
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return 0; |
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} |
| 87 | 92 |
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