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From-SVN: r38929
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Alan Lehotsky 2001-01-11 23:01:40 +00:00 committed by Alan Lehotsky
parent a4299d07de
commit bbc7fda9b0
2 changed files with 11 additions and 1 deletions
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5
gcc/ChangeLog
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@ -1,3 +1,8 @@
2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
* builtins.c (std_expand_builtin_va_start): Handle varargs when
sizeof (int) is larger than sizeof(__word__).
2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
* cppinit.c (do_includes): Fix typo.

7
gcc/builtins.c
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@ -2801,8 +2801,13 @@ std_expand_builtin_va_start (stdarg_p, valist, nextarg)
if (! stdarg_p)
{
/* The dummy named parameter is declared as a 'word' sized
object, but if a 'word' is smaller than an 'int', it would
have been promoted to int when it was added to the arglist. */
int align = PARM_BOUNDARY / BITS_PER_UNIT;
int offset = (((UNITS_PER_WORD + align - 1) / align) * align);
int size = MAX (UNITS_PER_WORD,
GET_MODE_SIZE (TYPE_MODE (integer_type_node)));
int offset = ((size + align - 1) / align) * align;
nextarg = plus_constant (nextarg, -offset);
}