aboutsummaryrefslogtreecommitdiff
path: root/tcg/tcg.c
diff options
context:
space:
mode:
Diffstat (limited to 'tcg/tcg.c')
-rw-r--r--tcg/tcg.c12
1 files changed, 8 insertions, 4 deletions
diff --git a/tcg/tcg.c b/tcg/tcg.c
index e5508507e2..c64043f690 100644
--- a/tcg/tcg.c
+++ b/tcg/tcg.c
@@ -1122,9 +1122,11 @@ static void tcg_liveness_analysis(TCGContext *s)
dead_temps[arg] = 1;
}
- /* globals are live (they may be used by the call) */
- memset(dead_temps, 0, s->nb_globals);
-
+ if (!(call_flags & TCG_CALL_CONST)) {
+ /* globals are live (they may be used by the call) */
+ memset(dead_temps, 0, s->nb_globals);
+ }
+
/* input args are live */
dead_iargs = 0;
for(i = 0; i < nb_iargs; i++) {
@@ -1821,7 +1823,9 @@ static int tcg_reg_alloc_call(TCGContext *s, const TCGOpDef *def,
/* store globals and free associated registers (we assume the call
can modify any global. */
- save_globals(s, allocated_regs);
+ if (!(flags & TCG_CALL_CONST)) {
+ save_globals(s, allocated_regs);
+ }
tcg_out_op(s, opc, &func_arg, &const_func_arg);