* is 980223.c wrong?
@ 2001-09-14 11:44 Aldy Hernandez
2001-09-14 14:31 ` Richard Henderson
0 siblings, 1 reply; 2+ messages in thread
From: Aldy Hernandez @ 2001-09-14 11:44 UTC (permalink / raw)
To: gcc
i'm having doubts about 980223.c:
int nil;
object cons1[2] = { {(long) &nil, 0}, {(long) &nil, 0} };
object cons2[2] = { {(long) &cons1, 64}, {(long) &nil, 0} };
if sizeof(long) != sizeof(int *), the initializer is not a constant and
gcc barfs.
particularly this gives problem with mips when longs are 64bits and GP
registers (and consecuently pointers) are 32bits.
--
Aldy Hernandez E-mail: aldyh@redhat.com
Professional Gypsy
Red Hat, Inc.
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: is 980223.c wrong?
2001-09-14 11:44 is 980223.c wrong? Aldy Hernandez
@ 2001-09-14 14:31 ` Richard Henderson
0 siblings, 0 replies; 2+ messages in thread
From: Richard Henderson @ 2001-09-14 14:31 UTC (permalink / raw)
To: Aldy Hernandez; +Cc: gcc
On Fri, Sep 14, 2001 at 02:47:01PM -0400, Aldy Hernandez wrote:
> i'm having doubts about 980223.c:
>
> int nil;
> object cons1[2] = { {(long) &nil, 0}, {(long) &nil, 0} };
> object cons2[2] = { {(long) &cons1, 64}, {(long) &nil, 0} };
>
> if sizeof(long) != sizeof(int *), the initializer is not a constant and
> gcc barfs.
Yes, that's wrong. I can't find where this bug was first reported,
so I can't determine what the original bug was (other than it came
from emacs of course).
I suspect that you can change the "long" object member to "char*"
without affecting the test case overmuch. Plus it'll now work for
your odd mips combinations.
r~
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