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meson: move int128 checks from configure

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(note: the test isn't working as intended, the next patches fixes it)

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Marc-André Lureau 2022-02-28 15:49:19 +04:00
parent 0e8d95e27b
commit 848126d11e
2 changed files with 39 additions and 47 deletions
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47
configure vendored
View file

@ -2481,41 +2481,6 @@ if compile_prog "" "" ; then
int128=yes
fi
#########################################
# See if 128-bit atomic operations are supported.
atomic128=no
if test "$int128" = "yes"; then
cat > $TMPC << EOF
int main(void)
{
unsigned __int128 x = 0, y = 0;
y = __atomic_load(&x, 0);
__atomic_store(&x, y, 0);
__atomic_compare_exchange(&x, &y, x, 0, 0, 0);
return 0;
}
EOF
if compile_prog "" "" ; then
atomic128=yes
fi
fi
cmpxchg128=no
if test "$int128" = yes && test "$atomic128" = no; then
cat > $TMPC << EOF
int main(void)
{
unsigned __int128 x = 0, y = 0;
__sync_val_compare_and_swap_16(&x, y, x);
return 0;
}
EOF
if compile_prog "" "" ; then
cmpxchg128=yes
fi
fi
########################################
# check if ccache is interfering with
# semantic analysis of macros
@ -2959,18 +2924,6 @@ if test "$have_tsan" = "yes" && test "$have_tsan_iface_fiber" = "yes" ; then
echo "CONFIG_TSAN=y" >> $config_host_mak
fi
if test "$int128" = "yes" ; then
echo "CONFIG_INT128=y" >> $config_host_mak
fi
if test "$atomic128" = "yes" ; then
echo "CONFIG_ATOMIC128=y" >> $config_host_mak
fi
if test "$cmpxchg128" = "yes" ; then
echo "CONFIG_CMPXCHG128=y" >> $config_host_mak
fi
if test "$rdma" = "yes" ; then
echo "CONFIG_RDMA=y" >> $config_host_mak
echo "RDMA_LIBS=$rdma_libs" >> $config_host_mak

39
meson.build
View file

@ -1869,6 +1869,45 @@ config_host_data.set('CONFIG_ATOMIC64', cc.links('''
return 0;
}'''))
has_int128 = cc.links('''
__int128_t a;
__uint128_t b;
int main (void) {
a = a + b;
b = a * b;
a = a * a;
return 0;
}''')
config_host_data.set('CONFIG_INT128', has_int128)
if has_int128
has_atomic128 = cc.links('''
int main(void)
{
unsigned __int128 x = 0, y = 0;
y = __atomic_load(&x, 0);
__atomic_store(&x, y, 0);
__atomic_compare_exchange(&x, &y, x, 0, 0, 0);
return 0;
}''')
config_host_data.set('CONFIG_ATOMIC128', has_atomic128)
if not has_atomic128
has_cmpxchg128 = cc.links('''
int main(void)
{
unsigned __int128 x = 0, y = 0;
__sync_val_compare_and_swap_16(&x, y, x);
return 0;
}
''')
config_host_data.set('CONFIG_CMPXCHG128', has_cmpxchg128)
endif
endif
config_host_data.set('CONFIG_GETAUXVAL', cc.links(gnu_source_prefix + '''
#include <sys/auxv.h>
int main(void) {