target-m68k: Reorg flags handling

[qemu.git] / target-m68k / op_helper.c

diff --git a/target-m68k/op_helper.c b/target-m68k/op_helper.c
index af361776a659869433ae20ea5b2c0ef6601c0d01..48e02e40620fc48c8869fa7a2ec083eee530e342 100644 (file)
--- a/target-m68k/op_helper.c
+++ b/target-m68k/op_helper.c
@@ -185,7 +185,6 @@ void HELPER(divu)(CPUM68KState *env, uint32_t word)
     uint32_t den;
     uint32_t quot;
     uint32_t rem;
-    uint32_t flags;
 
     num = env->div1;
     den = env->div2;
@@ -195,16 +194,14 @@ void HELPER(divu)(CPUM68KState *env, uint32_t word)
     }
     quot = num / den;
     rem = num % den;
-    flags = 0;
-    if (word && quot > 0xffff)
-        flags |= CCF_V;
-    if (quot == 0)
-        flags |= CCF_Z;
-    else if ((int32_t)quot < 0)
-        flags |= CCF_N;
+
+    env->cc_v = (word && quot > 0xffff ? -1 : 0);
+    env->cc_z = quot;
+    env->cc_n = quot;
+    env->cc_c = 0;
+
     env->div1 = quot;
     env->div2 = rem;
-    env->cc_dest = flags;
 }
 
 void HELPER(divs)(CPUM68KState *env, uint32_t word)
@@ -213,7 +210,6 @@ void HELPER(divs)(CPUM68KState *env, uint32_t word)
     int32_t den;
     int32_t quot;
     int32_t rem;
-    int32_t flags;
 
     num = env->div1;
     den = env->div2;
@@ -222,14 +218,12 @@ void HELPER(divs)(CPUM68KState *env, uint32_t word)
     }
     quot = num / den;
     rem = num % den;
-    flags = 0;
-    if (word && quot != (int16_t)quot)
-        flags |= CCF_V;
-    if (quot == 0)
-        flags |= CCF_Z;
-    else if (quot < 0)
-        flags |= CCF_N;
+
+    env->cc_v = (word && quot != (int16_t)quot ? -1 : 0);
+    env->cc_z = quot;
+    env->cc_n = quot;
+    env->cc_c = 0;
+
     env->div1 = quot;
     env->div2 = rem;
-    env->cc_dest = flags;
 }