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libast: Fix detection of GCC 4.1+ 64/32-bit atomic operations model

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This fix to the atomic scalar operations feature tests is from OpenSUSE:
https://build.opensuse.org/package/view_file/shells/ksh/ksh93-aso.dif
This commit is contained in:
Martijn Dekker 2021-02-02 05:27:08 +00:00
parent 69e18de58f
commit e2c2753ee8
1 changed files with 7 additions and 2 deletions
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9
src/lib/libast/features/aso
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@ -5,7 +5,10 @@ if aso note{ gcc 4.1+ 64 bit memory atomic operations model }end link{
int main()
{
uint64_t i = 0;
return __sync_fetch_and_add(&i,7);
uint32_t j = 0;
uint16_t l = 0;
uint8_t m = 0;
return __sync_fetch_and_add(&i,7)+__sync_fetch_and_add(&j,7)+__sync_fetch_and_add(&l,7)+__sync_fetch_and_add(&m,7);
}
}end && {
#define _aso_cas8(p,o,n) __sync_val_compare_and_swap(p,o,n)
@ -31,7 +34,9 @@ elif aso note{ gcc 4.1+ 32 bit memory atomic operations model }end link{
int main()
{
uint32_t i = 0;
return __sync_fetch_and_add(&i,7);
uint16_t j = 0;
uint8_t l = 0;
return __sync_fetch_and_add(&i,7)+__sync_fetch_and_add(&j,7)+__sync_fetch_and_add(&l,7);
}
}end && {
#define _aso_cas8(p,o,n) __sync_val_compare_and_swap(p,o,n)