@@ -462,6 +462,7 @@ Optimization options (experts only):
--disable-mmi disable Loongson MMI optimizations
--disable-lsx disable Loongson LSX optimizations
--disable-lasx disable Loongson LASX optimizations
+ --disable-rvv disable RISC-V Vector optimizations
--disable-fast-unaligned consider unaligned accesses slow
Developer options (useful when working on FFmpeg itself):
@@ -2126,6 +2127,10 @@ ARCH_EXT_LIST_PPC="
vsx
"
+ARCH_EXT_LIST_RISCV="
+ rvv
+"
+
ARCH_EXT_LIST_X86="
$ARCH_EXT_LIST_X86_SIMD
cpunop
@@ -2135,6 +2140,7 @@ ARCH_EXT_LIST_X86="
ARCH_EXT_LIST="
$ARCH_EXT_LIST_ARM
$ARCH_EXT_LIST_PPC
+ $ARCH_EXT_LIST_RISCV
$ARCH_EXT_LIST_X86
$ARCH_EXT_LIST_MIPS
$ARCH_EXT_LIST_LOONGSON
@@ -2642,6 +2648,8 @@ ppc4xx_deps="ppc"
vsx_deps="altivec"
power8_deps="vsx"
+rvv_deps="riscv"
+
loongson2_deps="mips"
loongson3_deps="mips"
mmi_deps_any="loongson2 loongson3"
@@ -6110,6 +6118,10 @@ elif enabled ppc; then
check_cpp_condition power8 "altivec.h" "defined(_ARCH_PWR8)"
fi
+elif enabled riscv; then
+
+ enabled rvv && check_inline_asm rvv '".option arch, +v\nvsetivli zero, 0, e8, m1, ta, ma"'
+
elif enabled x86; then
check_builtin rdtsc intrin.h "__rdtsc()"
@@ -7596,6 +7608,9 @@ if enabled loongarch; then
echo "LSX enabled ${lsx-no}"
echo "LASX enabled ${lasx-no}"
fi
+if enabled riscv; then
+ echo "RISC-V Vector enabled ${riscv-no}"
+fi
echo "debug symbols ${debug-no}"
echo "strip symbols ${stripping-no}"
echo "optimize for size ${small-no}"
@@ -15,5 +15,7 @@ OBJS-$(HAVE_LASX) += $(LASX-OBJS) $(LASX-OBJS-yes)
OBJS-$(HAVE_ALTIVEC) += $(ALTIVEC-OBJS) $(ALTIVEC-OBJS-yes)
OBJS-$(HAVE_VSX) += $(VSX-OBJS) $(VSX-OBJS-yes)
+OBJS-$(HAVE_RVV) += $(RVV-OBJS) $(RVV-OBJS-yes)
+
OBJS-$(HAVE_MMX) += $(MMX-OBJS) $(MMX-OBJS-yes)
OBJS-$(HAVE_X86ASM) += $(X86ASM-OBJS) $(X86ASM-OBJS-yes)
From: Rémi Denis-Courmont <remi@remlab.net> --- configure | 15 +++++++++++++++ ffbuild/arch.mak | 2 ++ 2 files changed, 17 insertions(+)