[binutils-gdb] gas: drop integer_constant()'s maxdig

[binutils-gdb] gas: drop integer_constant()'s maxdig

[Jan Beulich]

https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=1c6310c97b04bc79637fed66d2cbc61ee5888e31

commit 1c6310c97b04bc79637fed66d2cbc61ee5888e31
Author: Jan Beulich <jbeulich@suse.com>
Date:   Thu Mar 28 11:54:48 2024 +0100

    gas: drop integer_constant()'s maxdig
    
    Once properly set, it's only ever holding the same value as "radix".
    Even if there was some plan with it, that plan hasn't made it anywhere
    in over 20 years.

Diff:
---
 gas/expr.c | 12 ++++--------
 1 file changed, 4 insertions(+), 8 deletions(-)

diff --git a/gas/expr.c b/gas/expr.c
index 79db30f873e..03f5f8b4085 100644
--- a/gas/expr.c
+++ b/gas/expr.c
@@ -279,7 +279,6 @@ integer_constant (int radix, expressionS *expressionP)
   char c;
   valueT number;	/* Offset or (absolute) value.  */
   short int digit;	/* Value of next digit in current radix.  */
-  short int maxdig = 0;	/* Highest permitted digit value.  */
   int too_many_digits = 0;	/* If we see >= this number of.  */
   char *name;		/* Points to name of symbol.  */
   symbolS *symbolP;	/* Points to symbol.  */
@@ -365,26 +364,23 @@ integer_constant (int radix, expressionS *expressionP)
   switch (radix)
     {
     case 2:
-      maxdig = 2;
       too_many_digits = valuesize + 1;
       break;
     case 8:
-      maxdig = radix = 8;
       too_many_digits = (valuesize + 2) / 3 + 1;
       break;
     case 16:
-      maxdig = radix = 16;
       too_many_digits = (valuesize + 3) / 4 + 1;
       break;
     case 10:
-      maxdig = radix = 10;
       too_many_digits = (valuesize + 11) / 4; /* Very rough.  */
+      break;
     }
 #undef valuesize
   start = input_line_pointer;
   c = *input_line_pointer++;
   for (number = 0;
-       (digit = hex_value (c)) < maxdig;
+       (digit = hex_value (c)) < radix;
        c = *input_line_pointer++)
     {
       number = number * radix + digit;
@@ -411,7 +407,7 @@ integer_constant (int radix, expressionS *expressionP)
 	  int ndigit = 0;
 	  number = 0;
 	  for (c = *input_line_pointer++;
-	       (digit = hex_value (c)) < maxdig;
+	       (digit = hex_value (c)) < radix;
 	       c = *(input_line_pointer++))
 	    {
 	      number = number * radix + digit;
@@ -487,7 +483,7 @@ integer_constant (int radix, expressionS *expressionP)
       generic_bignum[3] = 0;
       input_line_pointer = start;	/* -> 1st digit.  */
       c = *input_line_pointer++;
-      for (; (carry = hex_value (c)) < maxdig; c = *input_line_pointer++)
+      for (; (carry = hex_value (c)) < radix; c = *input_line_pointer++)
 	{
 	  for (pointer = generic_bignum; pointer <= leader; pointer++)
 	    {