diff options
Diffstat (limited to 'gcc/config/m68k/sync.md')
| -rw-r--r-- | gcc/config/m68k/sync.md | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/gcc/config/m68k/sync.md b/gcc/config/m68k/sync.md index 5d5002a9c81..6c840f51b60 100644 --- a/gcc/config/m68k/sync.md +++ b/gcc/config/m68k/sync.md @@ -62,8 +62,11 @@ (match_operand:SI 2 "const_int_operand" "")] ;; model "" { - emit_insn (gen_atomic_test_and_set_1 (operands[0], operands[1])); - emit_insn (gen_negqi2 (operands[0], operands[0])); + rtx t = gen_reg_rtx (QImode); + emit_insn (gen_atomic_test_and_set_1 (t, operands[1])); + t = expand_simple_unop (QImode, NEG, t, operands[0], 0); + if (t != operands[0]) + emit_move_insn (operands[0], t); DONE; }) |