diff options
Diffstat (limited to 'gcc-4.8/gcc/config/tilegx/sync.md')
| -rw-r--r-- | gcc-4.8/gcc/config/tilegx/sync.md | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/gcc-4.8/gcc/config/tilegx/sync.md b/gcc-4.8/gcc/config/tilegx/sync.md index a4bea6b68..16f18922f 100644 --- a/gcc-4.8/gcc/config/tilegx/sync.md +++ b/gcc-4.8/gcc/config/tilegx/sync.md @@ -150,15 +150,22 @@ (match_operand:SI 3 "const_int_operand" "")] ;; model "" { + rtx addend; enum memmodel model = (enum memmodel) INTVAL (operands[3]); if (operands[2] != const0_rtx) - emit_move_insn (operands[2], gen_rtx_NEG (<MODE>mode, operands[2])); + { + addend = gen_reg_rtx (<MODE>mode); + emit_move_insn (addend, + gen_rtx_MINUS (<MODE>mode, const0_rtx, operands[2])); + } + else + addend = operands[2]; tilegx_pre_atomic_barrier (model); emit_insn (gen_atomic_fetch_add_bare<mode> (operands[0], operands[1], - operands[2])); + addend)); tilegx_post_atomic_barrier (model); DONE; }) |