From 8675bcb0addb1c7fb0b04682d1f3f95d5b8dae14 Mon Sep 17 00:00:00 2001 From: Janne Grunau Date: Sat, 5 Apr 2014 13:46:51 +0200 Subject: [PATCH] aarch64: add armv8 CPU flag --- Makefile | 2 +- arch.mak | 1 + configure | 3 +++ libavutil/aarch64/cpu.c | 5 +++-- libavutil/aarch64/cpu.h | 1 + libavutil/cpu.c | 2 ++ libavutil/cpu.h | 1 + 7 files changed, 12 insertions(+), 3 deletions(-) diff --git a/Makefile b/Makefile index 2453dfd996..b3680c2069 100644 --- a/Makefile +++ b/Makefile @@ -114,7 +114,7 @@ config.h: .config 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 diff --git a/arch.mak b/arch.mak index b287fcecbe..4bfc883ffa 100644 --- a/arch.mak +++ b/arch.mak @@ -1,5 +1,6 @@ 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) diff --git a/configure b/configure index fdd6c2fbd3..4d005f1bbc 100755 --- a/configure +++ b/configure @@ -1271,6 +1271,7 @@ ARCH_EXT_LIST_ARM=" armv5te armv6 armv6t2 + armv8 neon vfp vfpv3 @@ -1615,6 +1616,7 @@ CMDLINE_APPEND=" 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" @@ -3697,6 +3699,7 @@ od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian 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' diff --git a/libavutil/aarch64/cpu.c b/libavutil/aarch64/cpu.c index 2cc2ccd9ef..37a7d8defa 100644 --- a/libavutil/aarch64/cpu.c +++ b/libavutil/aarch64/cpu.c @@ -22,6 +22,7 @@ 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; } diff --git a/libavutil/aarch64/cpu.h b/libavutil/aarch64/cpu.h index 704df48b85..f5b1d89132 100644 --- a/libavutil/aarch64/cpu.h +++ b/libavutil/aarch64/cpu.h @@ -23,6 +23,7 @@ #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) diff --git a/libavutil/cpu.c b/libavutil/cpu.c index d651eb2089..e755d1551d 100644 --- a/libavutil/cpu.c +++ b/libavutil/cpu.c @@ -126,6 +126,7 @@ int av_parse_cpu_flags(const char *s) { "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 @@ -185,6 +186,7 @@ static const struct { 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 diff --git a/libavutil/cpu.h b/libavutil/cpu.h index 517c520119..7cecccc9c4 100644 --- a/libavutil/cpu.h +++ b/libavutil/cpu.h @@ -61,6 +61,7 @@ #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.