translate-all: Change cpu_restore_state() argument to CPUState

This lets us drop some local variables in tlb_fill() functions.

Signed-off-by: Andreas Färber <afaerber@suse.de>
diff --git a/target-alpha/mem_helper.c b/target-alpha/mem_helper.c
index 1957c56..5964bdc 100644
--- a/target-alpha/mem_helper.c
+++ b/target-alpha/mem_helper.c
@@ -105,7 +105,7 @@
     uint32_t insn;
 
     if (retaddr) {
-        cpu_restore_state(env, retaddr);
+        cpu_restore_state(cs, retaddr);
     }
 
     pc = env->pc;
@@ -159,11 +159,8 @@
 
     ret = alpha_cpu_handle_mmu_fault(cs, addr, is_write, mmu_idx);
     if (unlikely(ret != 0)) {
-        AlphaCPU *cpu = ALPHA_CPU(cs);
-        CPUAlphaState *env = &cpu->env;
-
         if (retaddr) {
-            cpu_restore_state(env, retaddr);
+            cpu_restore_state(cs, retaddr);
         }
         /* Exception index and error code are already set */
         cpu_loop_exit(cs);