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

Fix typo introduced in b3a1be87ba.

Reported-by: Ruslan Savchenko <ruslan.savchenko@gmail.com>
Signed-off-by: Kirill Batuzov <batuzovk@ispras.ru>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
This commit is contained in:
Kirill Batuzov 2012-11-07 15:26:38 +04:00 committed by Aurelien Jarno
parent 7c2c3ea3fd
commit 3c5645fab3
1 changed files with 4 additions and 4 deletions
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8
tcg/tcg.c
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@ -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;