Scrap SIGN_EXTEND32.


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2251 c046a42c-6fe2-441c-8c8c-71466251a162
diff --git a/target-mips/op_helper.c b/target-mips/op_helper.c
index b719f03..a518e5c 100644
--- a/target-mips/op_helper.c
+++ b/target-mips/op_helper.c
@@ -167,8 +167,8 @@
 
 static inline void set_HILO (uint64_t HILO)
 {
-    env->LO = SIGN_EXTEND32(HILO & 0xFFFFFFFF);
-    env->HI = SIGN_EXTEND32(HILO >> 32);
+    env->LO = (int32_t)(HILO & 0xFFFFFFFF);
+    env->HI = (int32_t)(HILO >> 32);
 }
 
 void do_mult (void)
@@ -305,12 +305,12 @@
 /* CP0 helpers */
 void do_mfc0_random (void)
 {
-    T0 = SIGN_EXTEND32(cpu_mips_get_random(env));
+    T0 = (int32_t)cpu_mips_get_random(env);
 }
 
 void do_mfc0_count (void)
 {
-    T0 = SIGN_EXTEND32(cpu_mips_get_count(env));
+    T0 = (int32_t)cpu_mips_get_count(env);
 }
 
 void do_mtc0_status_debug(uint32_t old, uint32_t val)
@@ -433,7 +433,7 @@
 
     /* XXX: detect conflicting TLBs and raise a MCHECK exception when needed */
     tlb = &env->tlb[idx];
-    tlb->VPN = env->CP0_EntryHi & SIGN_EXTEND32(0xFFFFE000);
+    tlb->VPN = env->CP0_EntryHi & (int32_t)0xFFFFE000;
     tlb->ASID = env->CP0_EntryHi & 0xFF;
     size = env->CP0_PageMask >> 13;
     size = 4 * (size + 1);
@@ -478,7 +478,7 @@
     uint8_t ASID;
     int i;
 
-    tag = env->CP0_EntryHi & SIGN_EXTEND32(0xFFFFE000);
+    tag = env->CP0_EntryHi & (int32_t)0xFFFFE000;
     ASID = env->CP0_EntryHi & 0xFF;
     for (i = 0; i < MIPS_TLB_NB; i++) {
         tlb = &env->tlb[i];