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Diffstat (limited to 'gcc/config/cris/cris.c')
| -rw-r--r-- | gcc/config/cris/cris.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/gcc/config/cris/cris.c b/gcc/config/cris/cris.c index 44e328bfb2a..71bb2760034 100644 --- a/gcc/config/cris/cris.c +++ b/gcc/config/cris/cris.c @@ -2761,6 +2761,16 @@ cris_init_libfuncs (void) set_optab_libfunc (udiv_optab, SImode, "__Udiv"); set_optab_libfunc (smod_optab, SImode, "__Mod"); set_optab_libfunc (umod_optab, SImode, "__Umod"); + + /* Atomic data being unaligned is unfortunately a reality. + Deal with it. */ + if (TARGET_ATOMICS_MAY_CALL_LIBFUNCS) + { + set_optab_libfunc (sync_compare_and_swap_optab, SImode, + "__cris_atcmpxchgr32"); + set_optab_libfunc (sync_compare_and_swap_optab, HImode, + "__cris_atcmpxchgr16"); + } } /* The INIT_EXPANDERS worker sets the per-function-data initializer and |