Sparc: use is_whitespace()

Wherever blanks are permissible in input, tabs ought to be permissible,
too. This is particularly relevant when -f is passed to gas (alongside
appropriate input).

diff --git a/gas/config/tc-sparc.c b/gas/config/tc-sparc.c
index c6f8026e5c1d4ace678536623bc169973450d407..a22efbf5debd5f29b7495ad080fea13b66489810 100644 (file)
--- a/gas/config/tc-sparc.c
+++ b/gas/config/tc-sparc.c
@@ -1743,13 +1743,15 @@ sparc_ip (char *str, const struct sparc_opcode **pinsn)
 
     case ',':
       comma = 1;
-      /* Fall through.  */
-
-    case ' ':
       *s++ = '\0';
       break;
 
     default:
+      if (is_whitespace (*s))
+       {
+         *s++ = '\0';
+         break;
+       }
       as_bad (_("Unknown opcode: `%s'"), str);
       *pinsn = NULL;
       return special_case;
@@ -1798,11 +1800,11 @@ sparc_ip (char *str, const struct sparc_opcode **pinsn)
                            goto error;
                          }
                        kmask |= jmask;
-                       while (*s == ' ')
+                       while (is_whitespace (*s))
                          ++s;
                        if (*s == '|' || *s == '+')
                          ++s;
-                       while (*s == ' ')
+                       while (is_whitespace (*s))
                          ++s;
                      }
                  }
@@ -2039,7 +2041,7 @@ sparc_ip (char *str, const struct sparc_opcode **pinsn)
              goto immediate;
 
            case ')':
-             if (*s == ' ')
+             if (is_whitespace (*s))
                s++;
              if ((s[0] == '0' && s[1] == 'x' && ISXDIGIT (s[2]))
                  || ISDIGIT (*s))
@@ -2131,7 +2133,7 @@ sparc_ip (char *str, const struct sparc_opcode **pinsn)
              break;
 
            case 'z':
-             if (*s == ' ')
+             if (is_whitespace (*s))
                {
                  ++s;
                }
@@ -2144,7 +2146,7 @@ sparc_ip (char *str, const struct sparc_opcode **pinsn)
              break;
 
            case 'Z':
-             if (*s == ' ')
+             if (is_whitespace (*s))
                {
                  ++s;
                }
@@ -2157,7 +2159,7 @@ sparc_ip (char *str, const struct sparc_opcode **pinsn)
              break;
 
            case '6':
-             if (*s == ' ')
+             if (is_whitespace (*s))
                {
                  ++s;
                }
@@ -2169,7 +2171,7 @@ sparc_ip (char *str, const struct sparc_opcode **pinsn)
              break;
 
            case '7':
-             if (*s == ' ')
+             if (is_whitespace (*s))
                {
                  ++s;
                }
@@ -2181,7 +2183,7 @@ sparc_ip (char *str, const struct sparc_opcode **pinsn)
              break;
 
            case '8':
-             if (*s == ' ')
+             if (is_whitespace (*s))
                {
                  ++s;
                }
@@ -2193,7 +2195,7 @@ sparc_ip (char *str, const struct sparc_opcode **pinsn)
              break;
 
            case '9':
-             if (*s == ' ')
+             if (is_whitespace (*s))
                {
                  ++s;
                }
@@ -2303,11 +2305,15 @@ sparc_ip (char *str, const struct sparc_opcode **pinsn)
            case '[':           /* These must match exactly.  */
            case ']':
            case ',':
-           case ' ':
              if (*s++ == *args)
                continue;
              break;
 
+           case ' ':
+             if (is_whitespace (*s++))
+               continue;
+             break;
+
            case '#':           /* Must be at least one digit.  */
              if (ISDIGIT (*s++))
                {
@@ -2680,7 +2686,7 @@ sparc_ip (char *str, const struct sparc_opcode **pinsn)
              /* fallthrough */
 
            immediate:
-             if (*s == ' ')
+             if (is_whitespace (*s))
                s++;
 
              {