diff options
| -rw-r--r-- | gcc/testsuite/lib/target-supports.exp | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/gcc/testsuite/lib/target-supports.exp b/gcc/testsuite/lib/target-supports.exp index ac6dda5..b2bec15 100644 --- a/gcc/testsuite/lib/target-supports.exp +++ b/gcc/testsuite/lib/target-supports.exp @@ -990,6 +990,29 @@ proc check_effective_target_sync_int_long { } { return $et_sync_int_long_saved } +# Return 1 if the target supports atomic operations on "char" and "short". + +proc check_effective_target_sync_char_short { } { + global et_sync_char_short_saved + + if [info exists et_sync_char_short_saved] { + verbose "check_effective_target_sync_char_short: using cached result" 2 + } else { + set et_sync_char_short_saved 0 +# This is intentionally powerpc but not rs6000, rs6000 doesn't have the +# load-reserved/store-conditional instructions. + if { [istarget ia64-*-*] + || [istarget i?86-*-*] + || [istarget x86_64-*-*] + || [istarget powerpc*-*-*] } { + set et_sync_char_short_saved 1 + } + } + + verbose "check_effective_target_sync_char_short: returning $et_sync_char_short_saved" 2 + return $et_sync_char_short_saved +} + # Return 1 if the target matches the effective target 'arg', 0 otherwise. # This can be used with any check_* proc that takes no argument and # returns only 1 or 0. It could be used with check_* procs that take |