[binutils-gdb] sim: sh: fix -Wimplicit-fallthrough warnings

[Michael Frysinger]

https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=849bdf4ead7a19ebde74fa4caec8643bf71da3e3

commit 849bdf4ead7a19ebde74fa4caec8643bf71da3e3
Author: Mike Frysinger <vapier@gentoo.org>
Date:   Thu Dec 21 01:39:26 2023 -0500

    sim: sh: fix -Wimplicit-fallthrough warnings
    
    These generate conditional insns where it tests, then fallsthru.

Diff:
---
 sim/sh/gencode.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/sim/sh/gencode.c b/sim/sh/gencode.c
index 1835cf92ff3..9683dc46b86 100644
--- a/sim/sh/gencode.c
+++ b/sim/sh/gencode.c
@@ -3296,6 +3296,7 @@ ppi_gensim (void)
 	    case 'c':
 	      printf ("      if ((((iword >> 8) ^ DSR) & 1) == 0)\n");
 	      printf ("\treturn;\n");
+	      printf ("      ATTRIBUTE_FALLTHROUGH;\n");
 	      printf ("    }\n");
 	      printf ("  case %d:\n", p->index + 1);
 	      printf ("    {\n");