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target-i386/helper: remove DF macro
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Signed-off-by: liguang <[email protected]>
Reviewed-by: Andreas Färber <[email protected]>
Reviewed-by: Richard Henderson  <[email protected]>
Signed-off-by: Blue Swirl <[email protected]>
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liguang authored and blueswirl committed Jun 15, 2013
1 parent a78d0ea commit 80cf2c8
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Showing 3 changed files with 5 additions and 7 deletions.
4 changes: 2 additions & 2 deletions cpu-exec.c
Original file line number Diff line number Diff line change
Expand Up @@ -230,7 +230,7 @@ int cpu_exec(CPUArchState *env)
#if defined(TARGET_I386)
/* put eflags in CPU temporary format */
CC_SRC = env->eflags & (CC_O | CC_S | CC_Z | CC_A | CC_P | CC_C);
DF = 1 - (2 * ((env->eflags >> 10) & 1));
env->df = 1 - (2 * ((env->eflags >> 10) & 1));
CC_OP = CC_OP_EFLAGS;
env->eflags &= ~(DF_MASK | CC_O | CC_S | CC_Z | CC_A | CC_P | CC_C);
#elif defined(TARGET_SPARC)
Expand Down Expand Up @@ -681,7 +681,7 @@ int cpu_exec(CPUArchState *env)
#if defined(TARGET_I386)
/* restore flags in standard format */
env->eflags = env->eflags | cpu_cc_compute_all(env, CC_OP)
| (DF & DF_MASK);
| (env->df & DF_MASK);
#elif defined(TARGET_ARM)
/* XXX: Save/restore host fpu exception state?. */
#elif defined(TARGET_UNICORE32)
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2 changes: 1 addition & 1 deletion target-i386/cc_helper.c
Original file line number Diff line number Diff line change
Expand Up @@ -331,7 +331,7 @@ target_ulong helper_read_eflags(CPUX86State *env)
uint32_t eflags;

eflags = cpu_cc_compute_all(env, CC_OP);
eflags |= (DF & DF_MASK);
eflags |= (env->df & DF_MASK);
eflags |= env->eflags & ~(VM_MASK | RF_MASK);
return eflags;
}
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6 changes: 2 additions & 4 deletions target-i386/cpu.h
Original file line number Diff line number Diff line change
Expand Up @@ -1101,8 +1101,6 @@ static inline int cpu_mmu_index (CPUX86State *env)
? MMU_KSMAP_IDX : MMU_KERNEL_IDX;
}

#define DF (env->df)

#define CC_DST (env->cc_dst)
#define CC_SRC (env->cc_src)
#define CC_SRC2 (env->cc_src2)
Expand Down Expand Up @@ -1196,15 +1194,15 @@ uint32_t cpu_cc_compute_all(CPUX86State *env1, int op);

static inline uint32_t cpu_compute_eflags(CPUX86State *env)
{
return env->eflags | cpu_cc_compute_all(env, CC_OP) | (DF & DF_MASK);
return env->eflags | cpu_cc_compute_all(env, CC_OP) | (env->df & DF_MASK);
}

/* NOTE: CC_OP must be modified manually to CC_OP_EFLAGS */
static inline void cpu_load_eflags(CPUX86State *env, int eflags,
int update_mask)
{
CC_SRC = eflags & (CC_O | CC_S | CC_Z | CC_A | CC_P | CC_C);
DF = 1 - (2 * ((eflags >> 10) & 1));
env->df = 1 - (2 * ((eflags >> 10) & 1));
env->eflags = (env->eflags & ~update_mask) |
(eflags & update_mask) | 0x2;
}
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