diff --git a/target/mips/translate.c b/target/mips/translate.c
index d4faa75dcd..b79c58c4ac 100644
--- a/target/mips/translate.c
+++ b/target/mips/translate.c
@@ -6658,7 +6658,7 @@ static void gen_mfhc0(DisasContext *ctx, TCGv arg, int reg, int sel)
         break;
     case CP0_REGISTER_09:
         switch (sel) {
-        case 7:
+        case CP0_REG09__SAAR:
             CP0_CHECK(ctx->saar);
             gen_helper_mfhc0_saar(arg, cpu_env);
             register_name = "SAAR";
@@ -6740,7 +6740,7 @@ static void gen_mthc0(DisasContext *ctx, TCGv arg, int reg, int sel)
         break;
     case CP0_REGISTER_09:
         switch (sel) {
-        case 7:
+        case CP0_REG09__SAAR:
             CP0_CHECK(ctx->saar);
             gen_helper_mthc0_saar(cpu_env, arg);
             register_name = "SAAR";
@@ -7124,7 +7124,7 @@ static void gen_mfc0(DisasContext *ctx, TCGv arg, int reg, int sel)
         break;
     case CP0_REGISTER_09:
         switch (sel) {
-        case 0:
+        case CP0_REG09__COUNT:
             /* Mark as an IO operation because we read the time.  */
             if (tb_cflags(ctx->base.tb) & CF_USE_ICOUNT) {
                 gen_io_start();
@@ -7139,12 +7139,12 @@ static void gen_mfc0(DisasContext *ctx, TCGv arg, int reg, int sel)
             ctx->base.is_jmp = DISAS_EXIT;
             register_name = "Count";
             break;
-        case 6:
+        case CP0_REG09__SAARI:
             CP0_CHECK(ctx->saar);
             gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_SAARI));
             register_name = "SAARI";
             break;
-        case 7:
+        case CP0_REG09__SAAR:
             CP0_CHECK(ctx->saar);
             gen_helper_mfc0_saar(arg, cpu_env);
             register_name = "SAAR";
@@ -7852,16 +7852,16 @@ static void gen_mtc0(DisasContext *ctx, TCGv arg, int reg, int sel)
         break;
     case CP0_REGISTER_09:
         switch (sel) {
-        case 0:
+        case CP0_REG09__COUNT:
             gen_helper_mtc0_count(cpu_env, arg);
             register_name = "Count";
             break;
-        case 6:
+        case CP0_REG09__SAARI:
             CP0_CHECK(ctx->saar);
             gen_helper_mtc0_saari(cpu_env, arg);
             register_name = "SAARI";
             break;
-        case 7:
+        case CP0_REG09__SAAR:
             CP0_CHECK(ctx->saar);
             gen_helper_mtc0_saar(cpu_env, arg);
             register_name = "SAAR";
@@ -8600,7 +8600,7 @@ static void gen_dmfc0(DisasContext *ctx, TCGv arg, int reg, int sel)
         break;
     case CP0_REGISTER_09:
         switch (sel) {
-        case 0:
+        case CP0_REG09__COUNT:
             /* Mark as an IO operation because we read the time.  */
             if (tb_cflags(ctx->base.tb) & CF_USE_ICOUNT) {
                 gen_io_start();
@@ -8615,12 +8615,12 @@ static void gen_dmfc0(DisasContext *ctx, TCGv arg, int reg, int sel)
             ctx->base.is_jmp = DISAS_EXIT;
             register_name = "Count";
             break;
-        case 6:
+        case CP0_REG09__SAARI:
             CP0_CHECK(ctx->saar);
             gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_SAARI));
             register_name = "SAARI";
             break;
-        case 7:
+        case CP0_REG09__SAAR:
             CP0_CHECK(ctx->saar);
             gen_helper_dmfc0_saar(arg, cpu_env);
             register_name = "SAAR";
@@ -9311,16 +9311,16 @@ static void gen_dmtc0(DisasContext *ctx, TCGv arg, int reg, int sel)
         break;
     case CP0_REGISTER_09:
         switch (sel) {
-        case 0:
+        case CP0_REG09__COUNT:
             gen_helper_mtc0_count(cpu_env, arg);
             register_name = "Count";
             break;
-        case 6:
+        case CP0_REG09__SAARI:
             CP0_CHECK(ctx->saar);
             gen_helper_mtc0_saari(cpu_env, arg);
             register_name = "SAARI";
             break;
-        case 7:
+        case CP0_REG09__SAAR:
             CP0_CHECK(ctx->saar);
             gen_helper_mtc0_saar(cpu_env, arg);
             register_name = "SAAR";