diff options
| -rw-r--r-- | build/make/configure.sh | 32 |
1 files changed, 21 insertions, 11 deletions
diff --git a/build/make/configure.sh b/build/make/configure.sh index 37b410edb..d2c6b26fa 100644 --- a/build/make/configure.sh +++ b/build/make/configure.sh @@ -426,6 +426,26 @@ check_gcc_machine_options() { fi } +check_gcc_avx512_compiles() { + if disabled gcc; then + return + fi + + check_cc -mavx512f <<EOF +#include <immintrin.h> +void f(void) { + __m512i x = _mm512_set1_epi16(0); + (void)x; +} +EOF + compile_result=$? + if [ ${compile_result} -ne 0 ]; then + log_echo " disabling avx512: not supported by compiler" + disable_feature avx512 + RTCD_OPTIONS="${RTCD_OPTIONS}--disable-avx512 " + fi +} + write_common_config_banner() { print_webm_license config.mk "##" "" echo '# This file automatically generated by configure. Do not edit!' >> config.mk @@ -1333,17 +1353,7 @@ EOF else if [ "$ext" = "avx512" ]; then check_gcc_machine_options $ext avx512f avx512cd avx512bw avx512dq avx512vl - - # Confirm that the compiler really supports avx512. - if enabled gcc; then - check_cc -mavx512f <<EOF || RTCD_OPTIONS="${RTCD_OPTIONS}--disable-avx512 " && soft_disable avx512 -#include <immintrin.h> -void f(void) { - __m512i x = _mm512_set1_epi16(0); - (void)x; -} -EOF - fi + check_gcc_avx512_compiles else # use the shortened version for the flag: sse4_1 -> sse4 check_gcc_machine_option ${ext%_*} $ext |