"(void) __sync_fetch_and_add(d, 1)" and variations on that theme (i.e. the sync
sub builtins and -1/1) should be generating "lock inc" and "lock dec" instead
of "lock add" and "lock sub"
--
Summary: Missed optimization with x86 sync builtins
Product: gcc
Version: unknown
Status: UNCONFIRMED
Severity: minor
Priority: P3
Component: target
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: nmiell at comcast dot net
GCC target triplet: i?86-*-*
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=28909
