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cpu: split flag checks per arch in av_cpu_max_align()

Browse Source 
Signed-off-by: James Almer <jamrial@gmail.com>
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
This commit is contained in:
James Almer 2017-09-14 16:51:26 -03:00 committed by Luca Barbato
parent ebfcce16ac
commit 3d828c9fd5
6 changed files with 51 additions and 7 deletions
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9
libavutil/aarch64/cpu.c
View File

@ -26,3 +26,12 @@ int ff_get_cpu_flags_aarch64(void)
AV_CPU_FLAG_NEON * HAVE_NEON |
AV_CPU_FLAG_VFP * HAVE_VFP;
}
size_t ff_get_cpu_max_align_aarch64(void)
{
int flags = av_get_cpu_flags();
if (flags & AV_CPU_FLAG_NEON)
return 16;
return 8;
}

9
libavutil/arm/cpu.c
View File

@ -151,3 +151,12 @@ int ff_get_cpu_flags_arm(void)
}
#endif
size_t ff_get_cpu_max_align_arm(void)
{
int flags = av_get_cpu_flags();
if (flags & AV_CPU_FLAG_NEON)
return 16;
return 8;
}

15
libavutil/cpu.c
View File

@ -184,12 +184,13 @@ int av_cpu_count(void)
size_t av_cpu_max_align(void)
{
int flags = av_get_cpu_flags();
if (flags & AV_CPU_FLAG_AVX)
return 32;
if (flags & (AV_CPU_FLAG_ALTIVEC | AV_CPU_FLAG_SSE | AV_CPU_FLAG_NEON))
return 16;
if (ARCH_AARCH64)
return ff_get_cpu_max_align_aarch64();
if (ARCH_ARM)
return ff_get_cpu_max_align_arm();
if (ARCH_PPC)
return ff_get_cpu_max_align_ppc();
if (ARCH_X86)
return ff_get_cpu_max_align_x86();
return 8;
}

5
libavutil/cpu_internal.h
View File

@ -41,4 +41,9 @@ int ff_get_cpu_flags_arm(void);
int ff_get_cpu_flags_ppc(void);
int ff_get_cpu_flags_x86(void);
size_t ff_get_cpu_max_align_aarch64(void);
size_t ff_get_cpu_max_align_arm(void);
size_t ff_get_cpu_max_align_ppc(void);
size_t ff_get_cpu_max_align_x86(void);
#endif /* AVUTIL_CPU_INTERNAL_H */

9
libavutil/ppc/cpu.c
View File

@ -142,3 +142,12 @@ out:
#endif /* HAVE_ALTIVEC */
return 0;
}
size_t ff_get_cpu_max_align_ppc(void)
{
int flags = av_get_cpu_flags();
if (flags & AV_CPU_FLAG_ALTIVEC)
return 16;
return 8;
}

11
libavutil/x86/cpu.c
View File

@ -233,3 +233,14 @@ int ff_get_cpu_flags_x86(void)
return rval;
}
size_t ff_get_cpu_max_align_x86(void)
{
int flags = av_get_cpu_flags();
if (flags & AV_CPU_FLAG_AVX)
return 32;
if (flags & AV_CPU_FLAG_SSE)
return 16;
return 8;
}