target-i386/helper: remove DF macro

Signed-off-by: Nliguang <lig.fnst@cn.fujitsu.com>
Reviewed-by: NAndreas Färber <afaerber@suse.de>
Reviewed-by: NRichard Henderson  <rth@twiddle.net>
Signed-off-by: NBlue Swirl <blauwirbel@gmail.com>

cpu-exec.c

@@ -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)
@@ -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)

target-i386/cc_helper.c

@@ -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;
 }

target-i386/cpu.h

@@ -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)
@@ -1196,7 +1194,7 @@ 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 */
@@ -1204,7 +1202,7 @@ 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;
 }