[RFC PATCH 19/78] target/hppa: add fallthrough pseudo-keyword

[Emmanouil Pitsidianakis]

In preparation of raising -Wimplicit-fallthrough to 5, replace all
fall-through comments with the fallthrough attribute pseudo-keyword.

Signed-off-by: Emmanouil Pitsidianakis <manos.pitsidianakis@linaro.org>
---
 target/hppa/translate.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/target/hppa/translate.c b/target/hppa/translate.c
index 9f3ba9f42f..1df81b0fa2 100644
--- a/target/hppa/translate.c
+++ b/target/hppa/translate.c
@@ -480,14 +480,14 @@ static DisasCond cond_make(TCGCond c, TCGv_reg a0, 
TCGv_reg a1)
 static void cond_free(DisasCond *cond)
 {
     switch (cond->c) {
     default:
         cond->a0 = NULL;
         cond->a1 = NULL;
-        /* fallthru */
+        fallthrough;
     case TCG_COND_ALWAYS:
         cond->c = TCG_COND_NEVER;
         break;
     case TCG_COND_NEVER:
         break;
     }
 }
@@ -3831,65 +3831,65 @@ static bool trans_fcmp_d(DisasContext *ctx, arg_fclass2 
*a)
 static bool trans_ftest(DisasContext *ctx, arg_ftest *a)
 {
     TCGv_reg t;
 
     nullify_over(ctx);
 
     t = get_temp(ctx);
     tcg_gen_ld32u_reg(t, tcg_env, offsetof(CPUHPPAState, fr0_shadow));
 
     if (a->y == 1) {
         int mask;
         bool inv = false;
 
         switch (a->c) {
         case 0: /* simple */
             tcg_gen_andi_reg(t, t, 0x4000000);
             ctx->null_cond = cond_make_0(TCG_COND_NE, t);
             goto done;
         case 2: /* rej */
             inv = true;
-            /* fallthru */
+            fallthrough;
         case 1: /* acc */
             mask = 0x43ff800;
             break;
         case 6: /* rej8 */
             inv = true;
-            /* fallthru */
+            fallthrough;
         case 5: /* acc8 */
             mask = 0x43f8000;
             break;
         case 9: /* acc6 */
             mask = 0x43e0000;
             break;
         case 13: /* acc4 */
             mask = 0x4380000;
             break;
         case 17: /* acc2 */
             mask = 0x4200000;
             break;
         default:
             gen_illegal(ctx);
             return true;
         }
         if (inv) {
             TCGv_reg c = load_const(ctx, mask);
             tcg_gen_or_reg(t, t, c);
             ctx->null_cond = cond_make(TCG_COND_EQ, t, c);
         } else {
             tcg_gen_andi_reg(t, t, mask);
             ctx->null_cond = cond_make_0(TCG_COND_EQ, t);
         }
     } else {
         unsigned cbit = (a->y ^ 1) - 1;
 
         tcg_gen_extract_reg(t, t, 21 - cbit, 1);
         ctx->null_cond = cond_make_0(TCG_COND_NE, t);
     }
 
  done:
     return nullify_end(ctx);
 }
 
 /*
  * Float class 2
  */
@@ -4219,28 +4219,28 @@ static void hppa_tr_translate_insn(DisasContextBase 
*dcbase, CPUState *cs)
 static void hppa_tr_tb_stop(DisasContextBase *dcbase, CPUState *cs)
 {
     DisasContext *ctx = container_of(dcbase, DisasContext, base);
     DisasJumpType is_jmp = ctx->base.is_jmp;
 
     switch (is_jmp) {
     case DISAS_NORETURN:
         break;
     case DISAS_TOO_MANY:
     case DISAS_IAQ_N_STALE:
     case DISAS_IAQ_N_STALE_EXIT:
         copy_iaoq_entry(cpu_iaoq_f, ctx->iaoq_f, cpu_iaoq_f);
         copy_iaoq_entry(cpu_iaoq_b, ctx->iaoq_b, cpu_iaoq_b);
         nullify_save(ctx);
-        /* FALLTHRU */
+        fallthrough;
     case DISAS_IAQ_N_UPDATED:
         if (is_jmp != DISAS_IAQ_N_STALE_EXIT) {
             tcg_gen_lookup_and_goto_ptr();
             break;
         }
-        /* FALLTHRU */
+        fallthrough;
     case DISAS_EXIT:
         tcg_gen_exit_tb(NULL, 0);
         break;
     default:
         g_assert_not_reached();
     }
 }
-- 
2.39.2