target-alpha: Tidy alpha_translate_init

Signed-off-by: NRichard Henderson <rth@twiddle.net>

target-alpha/translate.c

@@ -95,59 +95,67 @@ static TCGv cpu_sysval;
 static TCGv cpu_usp;
 #endif
 
-/* register names */
-static char cpu_reg_names[10*4+21*5 + 10*5+21*6];
-
 #include "exec/gen-icount.h"
 
 void alpha_translate_init(void)
 {
+#define DEF_VAR(V)  { &cpu_##V, #V, offsetof(CPUAlphaState, V) }
+
+    typedef struct { TCGv *var; const char *name; int ofs; } GlobalVar;
+    static const GlobalVar vars[] = {
+        DEF_VAR(pc),
+        DEF_VAR(lock_addr),
+        DEF_VAR(lock_st_addr),
+        DEF_VAR(lock_value),
+        DEF_VAR(unique),
+#ifndef CONFIG_USER_ONLY
+        DEF_VAR(sysval),
+        DEF_VAR(usp),
+#endif
+    };
+
+#undef DEF_VAR
+
+    /* Use the symbolic register names that match the disassembler.  */
+    static const char greg_names[31][4] = {
+        "v0", "t0", "t1", "t2", "t3", "t4", "t5", "t6",
+        "t7", "s0", "s1", "s2", "s3", "s4", "s5", "fp",
+        "a0", "a1", "a2", "a3", "a4", "a5", "t8", "t9",
+        "t10", "t11", "ra", "t12", "at", "gp", "sp"
+    };
+    static const char freg_names[31][4] = {
+        "f0", "f1", "f2", "f3", "f4", "f5", "f6", "f7",
+        "f8", "f9", "f10", "f11", "f12", "f13", "f14", "f15",
+        "f16", "f17", "f18", "f19", "f20", "f21", "f22", "f23",
+        "f24", "f25", "f26", "f27", "f28", "f29", "f30"
+    };
+
+    static bool done_init = 0;
     int i;
-    char *p;
-    static int done_init = 0;
 
     if (done_init) {
         return;
     }
+    done_init = 1;
 
     cpu_env = tcg_global_reg_new_ptr(TCG_AREG0, "env");
 
-    p = cpu_reg_names;
     for (i = 0; i < 31; i++) {
-        sprintf(p, "ir%d", i);
         cpu_ir[i] = tcg_global_mem_new_i64(TCG_AREG0,
-                                           offsetof(CPUAlphaState, ir[i]), p);
-        p += (i < 10) ? 4 : 5;
+                                           offsetof(CPUAlphaState, ir[i]),
+                                           greg_names[i]);
+    }
 
-        sprintf(p, "fir%d", i);
+    for (i = 0; i < 31; i++) {
         cpu_fir[i] = tcg_global_mem_new_i64(TCG_AREG0,
-                                            offsetof(CPUAlphaState, fir[i]), p);
-        p += (i < 10) ? 5 : 6;
+                                            offsetof(CPUAlphaState, fir[i]),
+                                            freg_names[i]);
     }
 
-    cpu_pc = tcg_global_mem_new_i64(TCG_AREG0,
-                                    offsetof(CPUAlphaState, pc), "pc");
-
-    cpu_lock_addr = tcg_global_mem_new_i64(TCG_AREG0,
-					   offsetof(CPUAlphaState, lock_addr),
-					   "lock_addr");
-    cpu_lock_st_addr = tcg_global_mem_new_i64(TCG_AREG0,
-					      offsetof(CPUAlphaState, lock_st_addr),
-					      "lock_st_addr");
-    cpu_lock_value = tcg_global_mem_new_i64(TCG_AREG0,
-					    offsetof(CPUAlphaState, lock_value),
-					    "lock_value");
-
-    cpu_unique = tcg_global_mem_new_i64(TCG_AREG0,
-                                        offsetof(CPUAlphaState, unique), "unique");
-#ifndef CONFIG_USER_ONLY
-    cpu_sysval = tcg_global_mem_new_i64(TCG_AREG0,
-                                        offsetof(CPUAlphaState, sysval), "sysval");
-    cpu_usp = tcg_global_mem_new_i64(TCG_AREG0,
-                                     offsetof(CPUAlphaState, usp), "usp");
-#endif
-
-    done_init = 1;
+    for (i = 0; i < ARRAY_SIZE(vars); ++i) {
+        const GlobalVar *v = &vars[i];
+        *v->var = tcg_global_mem_new_i64(TCG_AREG0, v->ofs, v->name);
+    }
 }
 
 static TCGv load_zero(DisasContext *ctx)