SUBDIR_VARS := CLEANFILES EXAMPLES FFLIBS HOSTPROGS TESTPROGS TOOLS \
HEADERS ARCH_HEADERS BUILT_HEADERS SKIPHEADERS \
- ARMV5TE-OBJS ARMV6-OBJS VFP-OBJS NEON-OBJS \
+ ARMV5TE-OBJS ARMV6-OBJS ARMV8-OBJS VFP-OBJS NEON-OBJS \
ALTIVEC-OBJS MMX-OBJS YASM-OBJS \
OBJS HOSTOBJS TESTOBJS
OBJS-$(HAVE_ARMV5TE) += $(ARMV5TE-OBJS) $(ARMV5TE-OBJS-yes)
OBJS-$(HAVE_ARMV6) += $(ARMV6-OBJS) $(ARMV6-OBJS-yes)
+OBJS-$(HAVE_ARMV8) += $(ARMV8-OBJS) $(ARMV8-OBJS-yes)
OBJS-$(HAVE_VFP) += $(VFP-OBJS) $(VFP-OBJS-yes)
OBJS-$(HAVE_NEON) += $(NEON-OBJS) $(NEON-OBJS-yes)
armv5te
armv6
armv6t2
+ armv8
neon
vfp
vfpv3
armv5te_deps="arm"
armv6_deps="arm"
armv6t2_deps="arm"
+armv8_deps="aarch64"
neon_deps_any="aarch64 arm"
vfp_deps_any="aarch64 arm"
vfpv3_deps="vfp"
check_inline_asm inline_asm_labels '"1:\n"'
if enabled aarch64; then
+ enabled armv8 && check_insn armv8 'prfm pldl1strm, [x0]'
# internal assembler in clang 3.3 does not support this instruction
enabled neon && check_insn neon 'ext v0.8B, v0.8B, v1.8B, #1'
enabled vfp && check_insn vfp 'fmadd d0, d0, d1, d2'
int ff_get_cpu_flags_aarch64(void)
{
- return AV_CPU_FLAG_NEON * HAVE_NEON |
- AV_CPU_FLAG_VFP * HAVE_VFP;
+ return AV_CPU_FLAG_ARMV8 * HAVE_ARMV8 |
+ AV_CPU_FLAG_NEON * HAVE_NEON |
+ AV_CPU_FLAG_VFP * HAVE_VFP;
}
#include "libavutil/cpu.h"
#include "libavutil/cpu_internal.h"
+#define have_armv8(flags) CPUEXT(flags, ARMV8)
#define have_neon(flags) CPUEXT(flags, NEON)
#define have_vfp(flags) CPUEXT(flags, VFP)
{ "vfpv3", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_CPU_FLAG_VFPV3 }, .unit = "flags" },
{ "neon", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_CPU_FLAG_NEON }, .unit = "flags" },
#elif ARCH_AARCH64
+ { "armv8", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_CPU_FLAG_ARMV8 }, .unit = "flags" },
{ "neon", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_CPU_FLAG_NEON }, .unit = "flags" },
{ "vfp", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_CPU_FLAG_VFP }, .unit = "flags" },
#endif
const char *name;
} cpu_flag_tab[] = {
#if ARCH_AARCH64
+ { AV_CPU_FLAG_ARMV8, "armv8" },
{ AV_CPU_FLAG_NEON, "neon" },
{ AV_CPU_FLAG_VFP, "vfp" },
#elif ARCH_ARM
#define AV_CPU_FLAG_VFP (1 << 3)
#define AV_CPU_FLAG_VFPV3 (1 << 4)
#define AV_CPU_FLAG_NEON (1 << 5)
+#define AV_CPU_FLAG_ARMV8 (1 << 6)
/**
* Return the flags which specify extensions supported by the CPU.