* config/tc-txvu.c (assemble_insn): Delete test for !isalpha

	after parsing mnemonic.  ASCII operand chars are case insensitive.

diff --git a/gas/ChangeLog b/gas/ChangeLog
index 2a930a7c61564e72614ad69c239f00ca828955de..ef8b4cde46a8bc65ed250ff49a849e77527b62cb 100644 (file)
--- a/gas/ChangeLog
+++ b/gas/ChangeLog
@@ -1,4 +1,9 @@
 start-sanitize-sky
+Fri Jan 23 16:44:19 1998  Doug Evans  <devans@seba.cygnus.com>
+
+       * config/tc-txvu.c (assemble_insn): Delete test for !isalpha
+       after parsing mnemonic.  ASCII operand chars are case insensitive.
+
 Thu Jan 22 20:30:24 1998  Doug Evans  <devans@seba.cygnus.com>
 
        * config/tc-txvu.c (assemble_insn): Commas moved to opcode table.

diff --git a/gas/config/tc-txvu.c b/gas/config/tc-txvu.c
index 7da6b94538b5f285edc92e8567c00de2db58dab7..502f28aa7b7aab8b5059d37a863092e67ef7c2fd 100644 (file)
--- a/gas/config/tc-txvu.c
+++ b/gas/config/tc-txvu.c
@@ -184,8 +184,6 @@ assemble_insn (str, lower_p, buf)
          break;
       if (*syn != '\0')
        continue;
-      if (isalpha (*str))
-       continue;
 
       /* Scan the syntax string.  If it doesn't match, try the next one.  */
 
@@ -204,10 +202,12 @@ assemble_insn (str, lower_p, buf)
          const struct txvu_operand *operand;
          const char *errmsg;
 
-         /* Non operand chars must match exactly.  */
+         /* Non operand chars must match exactly.
+            Operand chars that are letters are not part of symbols
+            and are case insensitive.  */
          if (*syn < 128)
            {
-             if (*str == *syn)
+             if (tolower (*str) == tolower (*syn))
                {
                  if (*syn == ' ')
                    past_opcode_p = 1;
@@ -264,6 +264,8 @@ assemble_insn (str, lower_p, buf)
              s = str;
 
              /* Pick the suffix out and parse it.  */
+             /* ??? Hmmm ... there may not be any need to nul-terminate the
+                string, and it may in fact complicate things.  */
              for (t = *s == '.' ? s + 1 : s; *t && isalpha (*t); ++t)
                continue;
              c = *t;
@@ -272,9 +274,10 @@ assemble_insn (str, lower_p, buf)
              *t = c;
              if (errmsg)
                {
-                 /* This can happen in "blle foo" and we're currently using
-                    the template "b%q%.n %j".  The "bl" insn occurs later in
-                    the table so "lle" isn't an illegal suffix.  */
+                 /* This can happen, for example, in ARC's in "blle foo" and
+                    we're currently using the template "b%q%.n %j".  The "bl"
+                    insn occurs later in the table so "lle" isn't an illegal
+                    suffix.  */
                  break;
                }
              /* Insert the suffix's value into the insn.  */
@@ -312,6 +315,7 @@ assemble_insn (str, lower_p, buf)
              /* Is there anything left to parse?
                 We don't check for this at the top because we want to parse
                 any trailing fake arguments in the syntax string.  */
+             /* ??? This doesn't allow operands with a legal value of "".  */
              if (*str == '\0')
                break;
 
@@ -355,16 +359,6 @@ assemble_insn (str, lower_p, buf)
                  const char *errmsg = NULL;
                  insn = (*operand->insert) (insn, operand, mods,
                                             value, &errmsg);
-#if 0
-                 if (errmsg != (const char *) NULL)
-                   as_warn (errmsg);
-#endif
-                 /* FIXME: We want to try shimm insns for limm ones.  But if
-                    the constant won't fit, we must go on to try the next
-                    possibility.  Where do we issue warnings for constants
-                    that are too big then?  At present, we'll flag the insn
-                    as unrecognizable!  Maybe have the "bad instruction"
-                    error message include our `errmsg'?  */
                  if (errmsg != (const char *) NULL)
                    break;
                }