tcg: properly check that op's output needs to be synced to memory

Fix typo introduced in b3a1be87bac3a6aaa59bb88c1410f170dc9b22d5.

Reported-by: Ruslan Savchenko <ruslan.savchenko@gmail.com>
Signed-off-by: Kirill Batuzov <batuzovk@ispras.ru>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>

diff --git a/tcg/tcg.c b/tcg/tcg.c
index 42052dba7b87635c26b4bbb4c283c301ede66855..35fba50c7ff9a3750fc28b064d8e06a76ac469ac 100644 (file)
--- a/tcg/tcg.c
+++ b/tcg/tcg.c
@@ -1337,8 +1337,8 @@ static void tcg_liveness_analysis(TCGContext *s)
                the low part.  The result can be optimized to a simple
                add or sub.  This happens often for x86_64 guest when the
                cpu mode is set to 32 bit.  */
-            if (dead_temps[args[1]] && !mem_temps[1]) {
-                if (dead_temps[args[0]] && !mem_temps[0]) {
+            if (dead_temps[args[1]] && !mem_temps[args[1]]) {
+                if (dead_temps[args[0]] && !mem_temps[args[0]]) {
                     goto do_remove;
                 }
                 /* Create the single operation plus nop.  */
@@ -1363,8 +1363,8 @@ static void tcg_liveness_analysis(TCGContext *s)
             nb_iargs = 2;
             nb_oargs = 2;
             /* Likewise, test for the high part of the operation dead.  */
-            if (dead_temps[args[1]] && !mem_temps[1]) {
-                if (dead_temps[args[0]] && !mem_temps[0]) {
+            if (dead_temps[args[1]] && !mem_temps[args[1]]) {
+                if (dead_temps[args[0]] && !mem_temps[args[0]]) {
                     goto do_remove;
                 }
                 gen_opc_buf[op_index] = op = INDEX_op_mul_i32;