diff options
Diffstat (limited to 'configure.in')
| -rw-r--r-- | configure.in | 101 |
1 files changed, 95 insertions, 6 deletions
diff --git a/configure.in b/configure.in index 2fbd0a131..1cdc4653a 100644 --- a/configure.in +++ b/configure.in @@ -465,11 +465,18 @@ case "$host:$CC" in ;; esac -AC_CACHE_CHECK([whether the compiler provides atomic builtins], [ap_cv_atomic_builtins], +AC_CACHE_CHECK([whether the compiler provides 32bit atomic builtins], [ap_cv_atomic_builtins], [AC_TRY_RUN([ +#if HAVE_STDINT_H +#include <stdint.h> +#endif int main(int argc, const char *const *argv) { - unsigned long val = 1010, tmp, *mem = &val; +#if HAVE_STDINT_H + uint32_t val = 1010, tmp, *mem = &val; +#else + unsigned int val = 1010, tmp, *mem = &val; +#endif if (__sync_fetch_and_add(&val, 1010) != 1010 || val != 2020) return 1; @@ -495,11 +502,18 @@ int main(int argc, const char *const *argv) return 0; }], [ap_cv_atomic_builtins=yes], [ap_cv_atomic_builtins=no], [ap_cv_atomic_builtins=no])]) -AC_CACHE_CHECK([whether the compiler provides __atomic builtins], [ap_cv__atomic_builtins], +AC_CACHE_CHECK([whether the compiler provides 32bit __atomic builtins], [ap_cv__atomic_builtins], [AC_TRY_RUN([ +#if HAVE_STDINT_H +#include <stdint.h> +#endif int main(int argc, const char *const *argv) { - unsigned long val = 1010, tmp, *mem = &val, *ptmp; +#if HAVE_STDINT_H + uint32_t val = 1010, tmp, *mem = &val, *ptmp; +#else + unsigned int val = 1010, tmp, *mem = &val, *ptmp; +#endif if (__atomic_fetch_add(&val, 1010, __ATOMIC_SEQ_CST) != 1010 || val != 2020) return 1; @@ -528,9 +542,84 @@ int main(int argc, const char *const *argv) }], [ap_cv__atomic_builtins=yes], [ap_cv__atomic_builtins=no], [ap_cv__atomic_builtins=no])]) if test "$ap_cv_atomic_builtins" = "yes" -o "$ap_cv__atomic_builtins" = "yes"; then - AC_DEFINE(HAVE_ATOMIC_BUILTINS, 1, [Define if compiler provides atomic builtins]) + AC_DEFINE(HAVE_ATOMIC_BUILTINS, 1, [Define if compiler provides 32bit atomic builtins]) if test "$ap_cv__atomic_builtins" = "yes"; then - AC_DEFINE(HAVE__ATOMIC_BUILTINS, 1, [Define if compiler provides __atomic builtins]) + AC_DEFINE(HAVE__ATOMIC_BUILTINS, 1, [Define if compiler provides 32bit __atomic builtins]) + fi +fi + +AC_CACHE_CHECK([whether the compiler provides 64bit atomic builtins], [ap_cv_atomic_builtins64], +[AC_TRY_RUN([ +#if HAVE_STDINT_H +#include <stdint.h> +#endif +int main(int argc, const char *const *argv) +{ +#if HAVE_STDINT_H + uint64_t val = 1010, tmp, *mem = &val; +#else + unsigned long long val = 1010, tmp, *mem = &val; +#endif + + if (__sync_fetch_and_add(&val, 1010) != 1010 || val != 2020) + return 1; + + tmp = val; + if (__sync_fetch_and_sub(mem, 1010) != tmp || val != 1010) + return 1; + + if (__sync_sub_and_fetch(&val, 1010) != 0 || val != 0) + return 1; + + tmp = 3030; + if (__sync_val_compare_and_swap(mem, 0, tmp) != 0 || val != tmp) + return 1; + + __sync_synchronize(); + if (__sync_lock_test_and_set(&val, 4040) != 3030) + return 1; + + return 0; +}], [ap_cv_atomic_builtins64=yes], [ap_cv_atomic_builtins64=no], [ap_cv_atomic_builtins64=no])]) + +AC_CACHE_CHECK([whether the compiler provides 64bit __atomic builtins], [ap_cv__atomic_builtins64], +[AC_TRY_RUN([ +#if HAVE_STDINT_H +#include <stdint.h> +#endif +int main(int argc, const char *const *argv) +{ +#if HAVE_STDINT_H + uint64_t val = 1010, tmp, *mem = &val; +#else + unsigned long long val = 1010, tmp, *mem = &val; +#endif + + if (__atomic_fetch_add(&val, 1010, __ATOMIC_SEQ_CST) != 1010 || val != 2020) + return 1; + + tmp = val; + if (__atomic_fetch_sub(mem, 1010, __ATOMIC_SEQ_CST) != tmp || val != 1010) + return 1; + + if (__atomic_sub_fetch(&val, 1010, __ATOMIC_SEQ_CST) != 0 || val != 0) + return 1; + + tmp = val; + if (!__atomic_compare_exchange_n(mem, &tmp, 3030, 0, __ATOMIC_SEQ_CST, __ATOMIC_SEQ_CST) + || tmp != 0) + return 1; + + if (__atomic_exchange_n(&val, 4040, __ATOMIC_SEQ_CST) != 3030) + return 1; + + return 0; +}], [ap_cv__atomic_builtins64=yes], [ap_cv__atomic_builtins64=no], [ap_cv__atomic_builtins64=no])]) + +if test "$ap_cv_atomic_builtins64" = "yes" -o "$ap_cv__atomic_builtins64" = "yes"; then + AC_DEFINE(HAVE_ATOMIC_BUILTINS64, 1, [Define if compiler provides 64bit atomic builtins]) + if test "$ap_cv__atomic_builtins64" = "yes"; then + AC_DEFINE(HAVE__ATOMIC_BUILTINS64, 1, [Define if compiler provides 64bit __atomic builtins]) fi fi |