summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rwxr-xr-xconfigure3
-rw-r--r--libavutil/arm/cpu.c9
-rw-r--r--libavutil/arm/cpu.h7
-rw-r--r--libavutil/cpu.c2
-rw-r--r--libavutil/cpu.h1
5 files changed, 15 insertions, 7 deletions
diff --git a/configure b/configure
index dfbadd0933..1224362e77 100755
--- a/configure
+++ b/configure
@@ -1525,6 +1525,7 @@ ARCH_EXT_LIST_ARM="
neon
vfp
vfpv3
+ setend
"
ARCH_EXT_LIST_MIPS="
@@ -1951,6 +1952,7 @@ neon_deps_any="aarch64 arm"
intrinsics_neon_deps="neon"
vfp_deps_any="aarch64 arm"
vfpv3_deps="vfp"
+setend_deps="arm"
map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM
@@ -4447,6 +4449,7 @@ EOF
enabled neon && check_insn neon 'vadd.i16 q0, q0, q0'
enabled vfp && check_insn vfp 'fadds s0, s0, s0'
enabled vfpv3 && check_insn vfpv3 'vmov.f32 s0, #1.0'
+ enabled setend && check_insn setend 'setend be'
[ $target_os = linux ] || [ $target_os = android ] ||
map 'enabled_any ${v}_external ${v}_inline || disable $v' \
diff --git a/libavutil/arm/cpu.c b/libavutil/arm/cpu.c
index f6cf338591..f1683e8d76 100644
--- a/libavutil/arm/cpu.c
+++ b/libavutil/arm/cpu.c
@@ -128,6 +128,12 @@ int ff_get_cpu_flags_arm(void)
trickle down. */
if (flags & (AV_CPU_FLAG_VFPV3 | AV_CPU_FLAG_NEON))
flags |= AV_CPU_FLAG_ARMV6T2;
+ else
+ /* Some functions use the 'setend' instruction which is deprecated on ARMv8
+ * and serializing on some ARMv7 cores. This ensures such functions
+ * are only enabled on ARMv6. */
+ flags |= AV_CPU_FLAG_SETEND;
+
if (flags & AV_CPU_FLAG_ARMV6T2)
flags |= AV_CPU_FLAG_ARMV6;
@@ -143,7 +149,8 @@ int ff_get_cpu_flags_arm(void)
AV_CPU_FLAG_ARMV6T2 * HAVE_ARMV6T2 |
AV_CPU_FLAG_VFP * HAVE_VFP |
AV_CPU_FLAG_VFPV3 * HAVE_VFPV3 |
- AV_CPU_FLAG_NEON * HAVE_NEON;
+ AV_CPU_FLAG_NEON * HAVE_NEON |
+ AV_CPU_FLAG_SETEND * !(HAVE_NEON | HAVE_VFPV3);
}
#endif
diff --git a/libavutil/arm/cpu.h b/libavutil/arm/cpu.h
index f056a91ca5..9b3b6ff58b 100644
--- a/libavutil/arm/cpu.h
+++ b/libavutil/arm/cpu.h
@@ -29,11 +29,6 @@
#define have_vfp(flags) CPUEXT(flags, VFP)
#define have_vfpv3(flags) CPUEXT(flags, VFPV3)
#define have_neon(flags) CPUEXT(flags, NEON)
-
-/* Some functions use the 'setend' instruction which is deprecated on ARMv8
- * and serializing on some ARMv7 cores. This macro ensures such functions
- * are only enabled on ARMv6. */
-#define have_setend(flags) \
- (have_armv6(flags) && !(have_vfpv3(flags) || have_neon(flags)))
+#define have_setend(flags) CPUEXT(flags, SETEND)
#endif /* AVUTIL_ARM_CPU_H */
diff --git a/libavutil/cpu.c b/libavutil/cpu.c
index 1cd0522dc6..53c12273ef 100644
--- a/libavutil/cpu.c
+++ b/libavutil/cpu.c
@@ -225,6 +225,7 @@ int av_parse_cpu_caps(unsigned *flags, const char *s)
{ "vfp", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_CPU_FLAG_VFP }, .unit = "flags" },
{ "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" },
+ { "setend", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_CPU_FLAG_SETEND }, .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" },
@@ -303,6 +304,7 @@ static const struct {
{ AV_CPU_FLAG_VFP, "vfp" },
{ AV_CPU_FLAG_VFPV3, "vfpv3" },
{ AV_CPU_FLAG_NEON, "neon" },
+ { AV_CPU_FLAG_SETEND, "setend" },
#elif ARCH_PPC
{ AV_CPU_FLAG_ALTIVEC, "altivec" },
#elif ARCH_X86
diff --git a/libavutil/cpu.h b/libavutil/cpu.h
index 8ff14d3ada..277e489788 100644
--- a/libavutil/cpu.h
+++ b/libavutil/cpu.h
@@ -64,6 +64,7 @@
#define AV_CPU_FLAG_VFPV3 (1 << 4)
#define AV_CPU_FLAG_NEON (1 << 5)
#define AV_CPU_FLAG_ARMV8 (1 << 6)
+#define AV_CPU_FLAG_SETEND (1 <<16)
/**
* Return the flags which specify extensions supported by the CPU.