[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Qemu-devel] [PATCH] target-i386: Don't modify env->eflags around cpu_du
From: |
Richard Henderson |
Subject: |
[Qemu-devel] [PATCH] target-i386: Don't modify env->eflags around cpu_dump_state |
Date: |
Tue, 19 Mar 2013 12:11:56 -0700 |
We can compute the value in cpu_dump_state anyway, and gratuitous
modifications to eflags creates heisenbugs.
Cc: Blue Swirl <address@hidden>
Signed-off-by: Richard Henderson <address@hidden>
---
cpu-exec.c | 3 ---
target-i386/helper.c | 2 +-
2 files changed, 1 insertion(+), 4 deletions(-)
diff --git a/cpu-exec.c b/cpu-exec.c
index 94fedc5..c3ac8f5 100644
--- a/cpu-exec.c
+++ b/cpu-exec.c
@@ -570,10 +570,7 @@ int cpu_exec(CPUArchState *env)
if (qemu_loglevel_mask(CPU_LOG_TB_CPU)) {
/* restore flags in standard format */
#if defined(TARGET_I386)
- env->eflags = env->eflags | cpu_cc_compute_all(env, CC_OP)
- | (DF & DF_MASK);
log_cpu_state(env, CPU_DUMP_CCOP);
- env->eflags &= ~(DF_MASK | CC_O | CC_S | CC_Z | CC_A |
CC_P | CC_C);
#elif defined(TARGET_M68K)
cpu_m68k_flush_flags(env, env->cc_op);
env->cc_op = CC_OP_FLAGS;
diff --git a/target-i386/helper.c b/target-i386/helper.c
index 9449a0c..282494f 100644
--- a/target-i386/helper.c
+++ b/target-i386/helper.c
@@ -189,7 +189,7 @@ void cpu_dump_state(CPUX86State *env, FILE *f,
fprintf_function cpu_fprintf,
cpu_synchronize_state(env);
- eflags = env->eflags;
+ eflags = cpu_compute_eflags(env);
#ifdef TARGET_X86_64
if (env->hflags & HF_CS64_MASK) {
cpu_fprintf(f,
--
1.8.1.4
- [Qemu-devel] [PATCH] target-i386: Don't modify env->eflags around cpu_dump_state,
Richard Henderson <=