[RFC PATCH 36/78] target/openrisc: 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/openrisc/mmu.c       | 2 +-
 target/openrisc/translate.c | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/target/openrisc/mmu.c b/target/openrisc/mmu.c
index 603c26715e..7ed744e81b 100644
--- a/target/openrisc/mmu.c
+++ b/target/openrisc/mmu.c
@@ -141,38 +141,38 @@ bool openrisc_cpu_tlb_fill(CPUState *cs, vaddr addr, int 
size,
 hwaddr openrisc_cpu_get_phys_page_debug(CPUState *cs, vaddr addr)
 {
     OpenRISCCPU *cpu = OPENRISC_CPU(cs);
     int prot, excp, sr = cpu->env.sr;
     hwaddr phys_addr;
 
     switch (sr & (SR_DME | SR_IME)) {
     case SR_DME | SR_IME:
         /* The mmu is definitely enabled.  */
         excp = get_phys_mmu(cpu, &phys_addr, &prot, addr,
                             PAGE_READ,
                             (sr & SR_SM) != 0);
         if (!excp) {
             return phys_addr;
         }
         excp = get_phys_mmu(cpu, &phys_addr, &prot, addr,
                             PAGE_EXEC,
                             (sr & SR_SM) != 0);
         return excp ? -1 : phys_addr;
 
     default:
         /* The mmu is partially enabled, and we don't really have
            a "real" access type.  Begin by trying the mmu, but if
            that fails try again without.  */
         excp = get_phys_mmu(cpu, &phys_addr, &prot, addr,
                             PAGE_EXEC | PAGE_READ | PAGE_WRITE,
                             (sr & SR_SM) != 0);
         if (!excp) {
             return phys_addr;
         }
-        /* fallthru */
+        fallthrough;
 
     case 0:
         /* The mmu is definitely disabled; lookups never fail.  */
         get_phys_nommu(&phys_addr, &prot, addr);
         return phys_addr;
     }
 }
diff --git a/target/openrisc/translate.c b/target/openrisc/translate.c
index ecff4412b7..de77014d60 100644
--- a/target/openrisc/translate.c
+++ b/target/openrisc/translate.c
@@ -1588,53 +1588,53 @@ static void openrisc_tr_translate_insn(DisasContextBase 
*dcbase, CPUState *cs)
 static void openrisc_tr_tb_stop(DisasContextBase *dcbase, CPUState *cs)
 {
     DisasContext *dc = container_of(dcbase, DisasContext, base);
     target_ulong jmp_dest;
 
     /* If we have already exited the TB, nothing following has effect.  */
     if (dc->base.is_jmp == DISAS_NORETURN) {
         return;
     }
 
     /* Adjust the delayed branch state for the next TB.  */
     if ((dc->tb_flags & TB_FLAGS_DFLAG ? 1 : 0) != (dc->delayed_branch != 0)) {
         tcg_gen_movi_i32(cpu_dflag, dc->delayed_branch != 0);
     }
 
     /* For DISAS_TOO_MANY, jump to the next insn.  */
     jmp_dest = dc->base.pc_next;
     tcg_gen_movi_tl(cpu_ppc, jmp_dest - 4);
 
     switch (dc->base.is_jmp) {
     case DISAS_JUMP:
         jmp_dest = dc->jmp_pc_imm;
         if (jmp_dest == -1) {
             /* The jump destination is indirect/computed; use jmp_pc.  */
             tcg_gen_mov_tl(cpu_pc, jmp_pc);
             tcg_gen_discard_tl(jmp_pc);
             tcg_gen_lookup_and_goto_ptr();
             break;
         }
         /* The jump destination is direct; use jmp_pc_imm.
            However, we will have stored into jmp_pc as well;
            we know now that it wasn't needed.  */
         tcg_gen_discard_tl(jmp_pc);
-        /* fallthru */
+        fallthrough;
 
     case DISAS_TOO_MANY:
         if (translator_use_goto_tb(&dc->base, jmp_dest)) {
             tcg_gen_goto_tb(0);
             tcg_gen_movi_tl(cpu_pc, jmp_dest);
             tcg_gen_exit_tb(dc->base.tb, 0);
             break;
         }
         tcg_gen_movi_tl(cpu_pc, jmp_dest);
         tcg_gen_lookup_and_goto_ptr();
         break;
 
     case DISAS_EXIT:
         tcg_gen_exit_tb(NULL, 0);
         break;
     default:
         g_assert_not_reached();
     }
 }
-- 
2.39.2