xtensa: remove a sentinal

gas/ChangeLog:

2016-06-27  Trevor Saunders  <tbsaunde+binutils@tbsaunde.org>

	* config/tc-xtensa.c (xtensa_elf_suffix): Use ARRAY_SIZE instead of a
	sentinal element.
	(map_suffix_reloc_to_operator): Likewise.
	(map_operator_to_reloc): Likewise.

diff --git a/gas/ChangeLog b/gas/ChangeLog
index 5f85ad5..131782c 100644 (file)
--- a/gas/ChangeLog
+++ b/gas/ChangeLog
@@ -1,5 +1,12 @@
 2016-06-27  Trevor Saunders  <tbsaunde+binutils@tbsaunde.org>
 
+       * config/tc-xtensa.c (xtensa_elf_suffix): Use ARRAY_SIZE instead of a
+       sentinal element.
+       (map_suffix_reloc_to_operator): Likewise.
+       (map_operator_to_reloc): Likewise.
+
+2016-06-27  Trevor Saunders  <tbsaunde+binutils@tbsaunde.org>
+
        * config/tc-nds32.c (md_begin): Use ARRAY_SIZE instead of a sentinal
        element in relax_table.
 

diff --git a/gas/config/tc-xtensa.c b/gas/config/tc-xtensa.c
index 5840135..d062044 100644 (file)
--- a/gas/config/tc-xtensa.c
+++ b/gas/config/tc-xtensa.c
@@ -377,7 +377,6 @@ static struct suffix_reloc_map suffix_relocs[] =
   SUFFIX_MAP ("tlscall", BFD_RELOC_XTENSA_TLS_CALL,    O_tlscall),
   SUFFIX_MAP ("tpoff", BFD_RELOC_XTENSA_TLS_TPOFF,     O_tpoff),
   SUFFIX_MAP ("dtpoff",        BFD_RELOC_XTENSA_TLS_DTPOFF,    O_dtpoff),
-  { (char *) 0, 0,     BFD_RELOC_UNUSED,               0 }
 };
 
 
@@ -1717,7 +1716,7 @@ xtensa_elf_suffix (char **str_p, expressionS *exp_p)
   char *str2;
   int ch;
   int len;
-  struct suffix_reloc_map *ptr;
+  unsigned int i;
 
   if (*str++ != '@')
     return BFD_RELOC_NONE;
@@ -1734,10 +1733,10 @@ xtensa_elf_suffix (char **str_p, expressionS *exp_p)
   len = str2 - ident;
 
   ch = ident[0];
-  for (ptr = &suffix_relocs[0]; ptr->length > 0; ptr++)
-    if (ch == ptr->suffix[0]
-       && len == ptr->length
-       && memcmp (ident, ptr->suffix, ptr->length) == 0)
+  for (i = 0; i < ARRAY_SIZE (suffix_relocs); i++)
+    if (ch == suffix_relocs[i].suffix[0]
+       && len == suffix_relocs[i].length
+       && memcmp (ident, suffix_relocs[i].suffix, suffix_relocs[i].length) == 0)
       {
        /* Now check for "identifier@suffix+constant".  */
        if (*str == '-' || *str == '+')
@@ -1758,7 +1757,7 @@ xtensa_elf_suffix (char **str_p, expressionS *exp_p)
          }
 
        *str_p = str;
-       return ptr->reloc;
+       return suffix_relocs[i].reloc;
       }
 
   return BFD_RELOC_UNUSED;
@@ -1769,14 +1768,14 @@ xtensa_elf_suffix (char **str_p, expressionS *exp_p)
 static operatorT
 map_suffix_reloc_to_operator (bfd_reloc_code_real_type reloc)
 {
-  struct suffix_reloc_map *sfx;
   operatorT operator = O_illegal;
+  unsigned int i;
 
-  for (sfx = &suffix_relocs[0]; sfx->suffix; sfx++)
+  for (i = 0; i < ARRAY_SIZE (suffix_relocs); i++)
     {
-      if (sfx->reloc == reloc)
+      if (suffix_relocs[i].reloc == reloc)
        {
-         operator = sfx->operator;
+         operator = suffix_relocs[i].operator;
          break;
        }
     }
@@ -1789,14 +1788,14 @@ map_suffix_reloc_to_operator (bfd_reloc_code_real_type reloc)
 static bfd_reloc_code_real_type
 map_operator_to_reloc (unsigned char operator, bfd_boolean is_literal)
 {
-  struct suffix_reloc_map *sfx;
+  unsigned int i;
   bfd_reloc_code_real_type reloc = BFD_RELOC_UNUSED;
 
-  for (sfx = &suffix_relocs[0]; sfx->suffix; sfx++)
+  for (i = 0; i < ARRAY_SIZE (suffix_relocs); i++)
     {
-      if (sfx->operator == operator)
+      if (suffix_relocs[i].operator == operator)
        {
-         reloc = sfx->reloc;
+         reloc = suffix_relocs[i].reloc;
          break;
        }
     }