From 33e1fc03934cebea8d32c98ea34961c80f05d94a Mon Sep 17 00:00:00 2001 From: Kirill Batuzov Date: Wed, 7 Nov 2012 15:26:38 +0400 Subject: [PATCH] tcg: properly check that op's output needs to be synced to memory Fix typo introduced in b3a1be87bac3a6aaa59bb88c1410f170dc9b22d5. Reported-by: Ruslan Savchenko Signed-off-by: Kirill Batuzov --- tcg/tcg.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/tcg/tcg.c b/tcg/tcg.c index 42052db..35fba50 100644 --- 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; -- 1.7.9.5