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configure: probe RISC-V Vector extension

This commit is contained in:
Rémi Denis-Courmont 2022-09-26 17:52:26 +03:00 committed by Lynne
parent 0c0a3deb18
commit 1b6aee52a5
3 changed files with 18 additions and 1 deletions

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@ -91,7 +91,7 @@ ffbuild/.config: $(CONFIGURABLE_COMPONENTS)
SUBDIR_VARS := CLEANFILES FFLIBS HOSTPROGS TESTPROGS TOOLS \
HEADERS ARCH_HEADERS BUILT_HEADERS SKIPHEADERS \
ARMV5TE-OBJS ARMV6-OBJS ARMV8-OBJS VFP-OBJS NEON-OBJS \
ALTIVEC-OBJS VSX-OBJS MMX-OBJS X86ASM-OBJS \
ALTIVEC-OBJS VSX-OBJS RVV-OBJS MMX-OBJS X86ASM-OBJS \
MIPSFPU-OBJS MIPSDSPR2-OBJS MIPSDSP-OBJS MSA-OBJS \
MMI-OBJS LSX-OBJS LASX-OBJS OBJS SLIBOBJS SHLIBOBJS \
STLIBOBJS HOSTOBJS TESTOBJS

15
configure vendored
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@ -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 ${rvv-no}"
fi
echo "debug symbols ${debug-no}"
echo "strip symbols ${stripping-no}"
echo "optimize for size ${small-no}"

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@ -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)