diff options
Diffstat (limited to 'simplify.c')
| -rw-r--r-- | simplify.c | 4 |
1 files changed, 4 insertions, 0 deletions
@@ -1271,6 +1271,8 @@ static int simplify_compare_constant(struct instruction *insn, long long value) return replace_with_value(insn, 0); if (value >= (long long)bits) return replace_with_value(insn, 1); + if (value == 0) + return replace_opcode(insn, OP_SET_EQ); break; case OP_SET_GT: value = sign_extend(value, def->size); @@ -1280,6 +1282,8 @@ static int simplify_compare_constant(struct instruction *insn, long long value) return replace_with_value(insn, 1); if (value >= (long long)bits) return replace_with_value(insn, 0); + if (value == 0) + return replace_opcode(insn, OP_SET_NE); break; case OP_SET_B: if (value > bits) |