Re: improve regex bitset performance (don't assume 32 bits)

[Paul Eggert]

Derek Price <address@hidden> writes:

> regex_internal.h:837: warning: suggest parentheses around + or - in operand 
> of &

Thanks for reporting that.  I installed this patch and updated the glibc
bug report.

2005-09-06  Paul Eggert  <address@hidden>

        * lib/regex_internal.h (bitset_not):
        Add parens to avoid gcc -Wall warning.

--- lib/regex_internal.h        6 Sep 2005 07:36:48 -0000       1.13
+++ lib/regex_internal.h        6 Sep 2005 17:50:47 -0000       1.14
@@ -833,7 +833,7 @@ bitset_not (bitset set)
     set[i] = ~set[i];
   if (SBC_MAX % BITSET_WORD_BITS != 0)
     set[BITSET_WORDS - 1] =
-      (((bitset_word) 1 << SBC_MAX % BITSET_WORD_BITS) - 1
+      ((((bitset_word) 1 << SBC_MAX % BITSET_WORD_BITS) - 1)
        & ~set[BITSET_WORDS - 1]);
 }