Signed-off-by: Richard Henderson <[email protected]>
---
tcg/optimize.c | 15 +++++++++++++++
1 file changed, 15 insertions(+)
diff --git a/tcg/optimize.c b/tcg/optimize.c
index 06a8c13..28ce624 100644
--- a/tcg/optimize.c
+++ b/tcg/optimize.c
@@ -1143,6 +1143,21 @@ void tcg_optimize(TCGContext *s)
tcg_opt_gen_mov(s, op, args, args[0], args[4-tmp]);
break;
}
+ if (temp_is_const(args[3]) && temp_is_const(args[4])) {
+ tcg_target_ulong tv = temp_info(args[3])->val;
+ tcg_target_ulong fv = temp_info(args[4])->val;
+ TCGCond cond = args[5];
+ if (fv == 1 && tv == 0) {
+ cond = tcg_invert_cond(cond);
+ } else if (!(tv == 1 && fv == 0)) {
+ goto do_default;
+ }
+ args[3] = cond;
+ op->opc = opc = (opc == INDEX_op_movcond_i32
+ ? INDEX_op_setcond_i32
+ : INDEX_op_setcond_i64);
+ nb_iargs = 2;
+ }
goto do_default;
case INDEX_op_add2_i32:
--
2.7.4
