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| author | RonenGvili <92885945+RonenGvili@users.noreply.github.com> | 2022-04-29 15:46:07 +0300 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2022-04-29 14:46:07 +0200 |
| commit | 95e2c52980977e78976e2090d19e4cbae9d0a2e9 (patch) | |
| tree | 55e2d788b735cabaeefa28932b9a295e6bb7ba60 /configure.ac | |
| parent | 5df56dbcf50bdbc1924bc097567549995d3b3a70 (diff) | |
| download | flac-95e2c52980977e78976e2090d19e4cbae9d0a2e9.tar.gz | |
Adding ARM64 support and optimized Neon implementation (#270)
Add NEON intrinsics routines for lpc_compute_residual_from_qlp_coefficients
and lpc_compute_residual_from_qlp_coefficients_wide
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 30 |
1 files changed, 29 insertions, 1 deletions
diff --git a/configure.ac b/configure.ac index dc302735..8a27028d 100644 --- a/configure.ac +++ b/configure.ac @@ -58,7 +58,7 @@ AM_PROG_CC_C_O AC_C_INLINE AC_C_TYPEOF -AC_CHECK_HEADERS([stdint.h inttypes.h byteswap.h sys/param.h sys/ioctl.h termios.h x86intrin.h cpuid.h]) +AC_CHECK_HEADERS([stdint.h inttypes.h byteswap.h sys/param.h sys/ioctl.h termios.h x86intrin.h cpuid.h arm_neon.h]) XIPH_C_BSWAP32 XIPH_C_BSWAP16 @@ -145,6 +145,12 @@ case "$host_cpu" in AH_TEMPLATE(FLAC__CPU_PPC, [define if building for PowerPC]) asm_optimisation=$asm_opt ;; + arm64|aarch64) + cpu_arm64=true + AC_DEFINE(FLAC__CPU_ARM64) + AH_TEMPLATE(FLAC__CPU_ARM64, [define if building for ARM]) + asm_optimisation=$asm_opt + ;; sparc) cpu_sparc=true AC_DEFINE(FLAC__CPU_SPARC) @@ -156,6 +162,7 @@ AM_CONDITIONAL(FLAC__CPU_X86_64, test "x$cpu_x86_64" = xtrue) AM_CONDITIONAL(FLaC__CPU_IA32, test "x$cpu_ia32" = xtrue) AM_CONDITIONAL(FLaC__CPU_PPC, test "x$cpu_ppc" = xtrue) AM_CONDITIONAL(FLaC__CPU_PPC64, test "x$cpu_ppc64" = xtrue) +AM_CONDITIONAL(FLAC__CPU_ARM64, test "x$cpu_arm64" = xtrue) AM_CONDITIONAL(FLaC__CPU_SPARC, test "x$cpu_sparc" = xtrue) if test "x$ac_cv_header_x86intrin_h" = xyes; then @@ -164,6 +171,26 @@ else AC_DEFINE([FLAC__HAS_X86INTRIN], 0) fi +neon=no +if test "x$ac_cv_header_arm_neon_h" = xyes; then +AC_DEFINE([FLAC__HAS_NEONINTRIN], 1, [Set to 1 if <arm_neon.h> is available.]) +neon=yes + AC_MSG_CHECKING([whether arm_neon.h has A64 functions]) + AC_COMPILE_IFELSE( + [AC_LANG_PROGRAM([[#include <arm_neon.h>]], + [[float64x2_t sum5; sum5 = vdupq_n_f64(0.0f);]])], + [AC_MSG_RESULT([yes]) + has_a64neon=yes], + [AC_MSG_RESULT([no])]) + if test "x$has_a64neon" = xyes; then + AC_DEFINE([FLAC__HAS_A64NEONINTRIN], 1, [Set to 1 if <arm_neon.h> has A64 instructions.]) + else + AC_DEFINE([FLAC__HAS_A64NEONINTRIN], 0) + fi +else +AC_DEFINE([FLAC__HAS_NEONINTRIN], 0) +fi + if test x"$cpu_ppc64" = xtrue ; then AC_C_ATTRIBUTE([target("cpu=power8")], @@ -664,6 +691,7 @@ if test x$ac_cv_c_compiler_gnu = xyes ; then fi echo " Compiler is Clang : ....................... ${xiph_cv_c_compiler_clang}" echo " SSE optimizations : ....................... ${sse_os}" + echo " Neon optimizations : ...................... ${neon}" echo " Asm optimizations : ....................... ${asm_optimisation}" echo " Ogg/FLAC support : ........................ ${have_ogg}" echo " Stack protector : ........................ ${enable_stack_smash_protection}" |