Signed-off-by: Aurelien Jarno <aurel...@aurel32.net>
---
tcg/optimize.c | 27 ++++++++++++++++++++++++++-
1 file changed, 26 insertions(+), 1 deletion(-)
diff --git a/tcg/optimize.c b/tcg/optimize.c
index c4af1e8..1221b8b 100644
--- a/tcg/optimize.c
+++ b/tcg/optimize.c
@@ -601,6 +601,32 @@ static TCGArg *tcg_constant_folding(TCGContext *s,
uint16_t *tcg_opc_ptr,
args += 4;
break;
}
+ CASE_OP_32_64(brcond):
+ if (temps[args[0]].state == TCG_TEMP_CONST
+ && temps[args[1]].state == TCG_TEMP_CONST) {
+ if (do_constant_folding_cond(op, temps[args[0]].val,
+ temps[args[1]].val, args[2])) {
+ memset(temps, 0, nb_temps * sizeof(struct tcg_temp_info));
+ gen_opc_buf[op_index] = INDEX_op_br;
+ gen_args[0] = args[3];
+ gen_args += 1;
+ args += 4;
+ } else {
+ gen_opc_buf[op_index] = INDEX_op_nop;
+ args += 4;
+ }
+ break;
+ } else {
+ memset(temps, 0, nb_temps * sizeof(struct tcg_temp_info));
+ reset_temp(args[0], nb_temps, nb_globals);
+ gen_args[0] = args[0];
+ gen_args[1] = args[1];
+ gen_args[2] = args[2];
+ gen_args[3] = args[3];
+ gen_args += 4;
+ args += 4;
+ break;
+ }
case INDEX_op_call:
nb_call_args = (args[0] >> 16) + (args[0] & 0xffff);
if (!(args[nb_call_args + 1] & (TCG_CALL_CONST | TCG_CALL_PURE))) {
@@ -622,7 +648,6 @@ static TCGArg *tcg_constant_folding(TCGContext *s, uint16_t
*tcg_opc_ptr,
case INDEX_op_set_label:
case INDEX_op_jmp:
case INDEX_op_br:
- CASE_OP_32_64(brcond):
memset(temps, 0, nb_temps * sizeof(struct tcg_temp_info));
for (i = 0; i < def->nb_args; i++) {
*gen_args = *args;
--
1.7.10.4
