[RFC PATCH v3 30/78] target/nios2: 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.pitsidiana...@linaro.org>
---
 target/nios2/helper.c    | 6 +++---
 target/nios2/translate.c | 2 +-
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/target/nios2/helper.c b/target/nios2/helper.c
index bb3b09e5a7..b44e73768e 100644
--- a/target/nios2/helper.c
+++ b/target/nios2/helper.c
@@ -198,7 +198,7 @@ void nios2_cpu_do_interrupt(CPUState *cs)
 
     case EXCP_TLB_D:
         tlbmisc_set = CR_TLBMISC_D;
-        /* fall through */
+        fallthrough;
     case EXCP_TLB_X:
         if (env->ctrl[CR_STATUS] & CR_STATUS_EH) {
             tlbmisc_set |= CR_TLBMISC_DBL;
@@ -220,7 +220,7 @@ void nios2_cpu_do_interrupt(CPUState *cs)
     case EXCP_PERM_R:
     case EXCP_PERM_W:
         tlbmisc_set = CR_TLBMISC_D;
-        /* fall through */
+        fallthrough;
     case EXCP_PERM_X:
         tlbmisc_set |= CR_TLBMISC_PERM;
         if (!(env->ctrl[CR_STATUS] & CR_STATUS_EH)) {
@@ -232,7 +232,7 @@ void nios2_cpu_do_interrupt(CPUState *cs)
     case EXCP_SUPERA_D:
     case EXCP_UNALIGN:
         tlbmisc_set = CR_TLBMISC_D;
-        /* fall through */
+        fallthrough;
     case EXCP_SUPERA_X:
     case EXCP_UNALIGND:
         tlbmisc_set |= CR_TLBMISC_BAD;
diff --git a/target/nios2/translate.c b/target/nios2/translate.c
index e806623594..2cfe77c90a 100644
--- a/target/nios2/translate.c
+++ b/target/nios2/translate.c
@@ -649,7 +649,7 @@ static void wrctl(DisasContext *dc, uint32_t code, uint32_t 
flags)
     case CR_IENABLE:
         /* If interrupts were enabled using WRCTL, trigger them. */
         dc->base.is_jmp = DISAS_UPDATE;
-        /* fall through */
+        fallthrough;
     default:
         if (wr == -1) {
             /* The register is entirely writable. */
-- 
2.39.2