[binutils-gdb] sim: m32c: fix warnings about mixing code & decls

[Michael Frysinger]

https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=0ae995e2df001ab7c45c4bc596c4b0b734910c08

commit 0ae995e2df001ab7c45c4bc596c4b0b734910c08
Author: Mike Frysinger <vapier@gentoo.org>
Date:   Fri May 7 00:26:36 2021 -0400

    sim: m32c: fix warnings about mixing code & decls
    
    Add scope braces to a bunch of the generated sections to avoid compiler
    warnings about mixing code & variable declarations.

Diff:
---
 sim/m32c/ChangeLog |  5 +++++
 sim/m32c/m32c.opc  | 13 ++++++++++++-
 sim/m32c/r8c.opc   | 14 ++++++++++++++
 3 files changed, 31 insertions(+), 1 deletion(-)

diff --git a/sim/m32c/ChangeLog b/sim/m32c/ChangeLog
index ad2bece00e2..aedcb6a22a8 100644
--- a/sim/m32c/ChangeLog
+++ b/sim/m32c/ChangeLog
@@ -1,3 +1,8 @@
+2021-05-07  Mike Frysinger  <vapier@gentoo.org>
+
+	* m32c.opc: Add scope braces around a few segments.
+	* r8c.opc: Likewise.
+
 2021-05-07  Mike Frysinger  <vapier@gentoo.org>
 
 	* Makefile.in: Delete safe-fgets.
diff --git a/sim/m32c/m32c.opc b/sim/m32c/m32c.opc
index efe049568bd..d19aaf00e1e 100644
--- a/sim/m32c/m32c.opc
+++ b/sim/m32c/m32c.opc
@@ -1348,12 +1348,14 @@ next_opcode:
 
   /** 1101 sss1 ss01 1dst		MOVA src,dest */
 
+  {
   static reg_id map[8] = { r2r0, r3r1, a0, a1 };
   prefix (0, 0, 0);
   sc = decode_src23 (sss, ss, 1);
   if (!sc.mem || !map[dst])
     UNSUPPORTED();
   put_reg (map[dst], sc.u.addr);
+  }
 
   /** 0000 0001 1011 ddd0 dd hl 1110	MOVdir R0L,dest */
 
@@ -1562,6 +1564,7 @@ next_opcode:
 
   /** 1000 1110				POPM dest */
 
+  {
   static int map[] = { r0, r1, r2, r3, a0, a1, sb, fb };
   prefix (0, 0, 0);
   imm = IMM(1);
@@ -1580,18 +1583,22 @@ next_opcode:
 	put_reg (map[a], v);
 	put_reg (sp, get_reg (sp) + 4);
       }
+  }
 
   /** 1010 111w				PUSH.size #IMM */
 
+  {
+  int a;
   prefix (0, 0, 0);
   imm = IMM(w+1);
   tprintf("push%s: %x\n", w ? "hi" : "qi", imm);
-  int a = get_reg (sp) - 2;
+  a = get_reg (sp) - 2;
   if (w)
     mem_put_hi (a, imm);
   else
     mem_put_qi (a, imm);
   put_reg (sp, a);
+  }
 
   /** 1100 sss w ss00 1110		PUSH.size src */
 
@@ -1647,6 +1654,7 @@ next_opcode:
 
   /** 1000 1111				PUSHM src */
 
+  {
   static int map[] = { fb, sb, a1, a0, r3, r2, r1, r0 };
   imm = IMM(1);
   tprintf("pushm: %x\n", imm);
@@ -1664,6 +1672,7 @@ next_opcode:
 	v = get_reg (map[a]);
 	mem_put_hi (get_reg (sp), v);
       }
+  }
 
   /** 1001 1110				REIT */
 
@@ -1676,6 +1685,7 @@ next_opcode:
 
   /** 1011 1000 010w 0011		RMPA.size */
 
+  {
   int count = get_reg (r3);
   int list1 = get_reg (a0);
   int list2 = get_reg (a1);
@@ -1705,6 +1715,7 @@ next_opcode:
   put_reg (a1, list2);
   put_reg (r2r0, (int)(sum & 0xffffffffU));
   put_reg (r1, (int)(sum >> 32));
+  }
 
   /** 1011 ddd w dd10 1110		ROLC.size dest */
 
diff --git a/sim/m32c/r8c.opc b/sim/m32c/r8c.opc
index dc447b5b391..6645ff8b306 100644
--- a/sim/m32c/r8c.opc
+++ b/sim/m32c/r8c.opc
@@ -588,6 +588,7 @@ decode_r8c (void)
 
   /* w = width, i = immediate, c = carry, s = subtract */
 
+  {
   int src = i ? IMM(w) : get_reg (w ? r1 : r0h);
   int dest = get_reg (w ? r0 : r0l);
   int res;
@@ -622,6 +623,7 @@ decode_r8c (void)
   set_szc (res, w+1, c);
 
   put_reg (w ? r0 : r0l, res);
+  }
 
   /** 1010 1dst            DEC.B dest */
 
@@ -980,9 +982,11 @@ decode_r8c (void)
 
   /** 1110 1011 0reg 1src  MOVA src,dest */
 
+  {
   static reg_id map[] = { r0, r1, r2, r3, a0, a1, 0, 0 };
   sc = decode_srcdest4 (8 + src, 0);
   put_reg (map[reg], sc.u.addr);
+  }
 
   /** 0111 1100 10hl dest  MOVdir R0L,dest */
 
@@ -1158,6 +1162,7 @@ decode_r8c (void)
 
   /** 1110 1101            POPM dest */
 
+  {
   static int map[] = { r0, r1, r2, r3, a0, a1, sb, fb };
   imm = IMM(0);
   tprintf("popm: %x\n", imm);
@@ -1168,6 +1173,7 @@ decode_r8c (void)
 	put_reg (map[a], v);
 	put_reg (sp, get_reg (sp) + 2);
       }
+  }
 
   /** 0111 110w 1110 0010  PUSH.size:G #IMM */
 
@@ -1233,6 +1239,7 @@ decode_r8c (void)
 
   /** 1110 1100            PUSHM src */
 
+  {
   static int map[] = { fb, sb, a1, a0, r3, r2, r1, r0 };
   imm = IMM(0);
   tprintf("pushm: %x\n", imm);
@@ -1243,6 +1250,7 @@ decode_r8c (void)
 	v = get_reg (map[a]);
 	mem_put_hi (get_reg (sp), v);
       }
+  }
 
   /** 1111 1011            REIT */
 
@@ -1257,6 +1265,7 @@ decode_r8c (void)
 
   /** 0111 110w 1111 0001  RMPA.size */
 
+  {
   int count = get_reg (r3);
   int list1 = get_reg (a0);
   int list2 = get_reg (a1);
@@ -1285,6 +1294,7 @@ decode_r8c (void)
   put_reg (a0, list1);
   put_reg (a1, list2);
   put_reg (w ? r2r0 : r0, sum);
+  }
 
   /** 0111 011w 1010 dest  ROLC.size dest */
 
@@ -1370,6 +1380,7 @@ decode_r8c (void)
 
   /** 0111 110w 1110 100b  SMOVB.size */
 
+  {
   int count = get_reg (r3);
   int s1 = get_reg (a0) + (get_reg (r1h) << 16);
   int s2 = get_reg (a1);
@@ -1395,9 +1406,11 @@ decode_r8c (void)
   put_reg (a0, s1 & 0xffff);
   put_reg (a1, s2);
   put_reg (r1h, s1 >> 16);
+  }
 
   /** 0111 110w 1110 1010  SSTR.size */
 
+  {
   int count = get_reg (r3);
   int s1 = get_reg (a1);
   v = get_reg (w ? r0 : r0l);
@@ -1418,6 +1431,7 @@ decode_r8c (void)
     }
   put_reg (r3, count);
   put_reg (a1, s1);
+  }
 
   /** 0111 1011 1src dest  STC src,dest */