At 9:00 AM -0500 12/31/02, Jim Cromie wrote:
Dan Sugalski wrote:
You're looking to encode data in the low X bits (where X is 2 or 4
for 32 or 64 bit machines), right?
yes- precisely!
It's a clever thing to do, but one I admit I mistrust. Either it
means we have to check every pointer that mi
Dan Sugalski wrote:
At 7:35 AM -0500 12/31/02, Jim Cromie wrote:
pardon the lack of clue I reveal here, but..
on 32 bit box, a void* has 3 values which are illegal/unaligned;
void* ptr;
if (ptr & 0x00) {
/* ok */
} else {
/* some exceptional situation */
}
is there any concievable use
On Tue, 31 Dec 2002, Jim Cromie wrote:
> pardon the lack of clue I reveal here, but..
>
> on 32 bit box, a void* has 3 values which are illegal/unaligned;
>
> void* ptr;
> if (ptr & 0x00) {
ITYM if(!(ptr & 0x3))
> /* ok */
> } else {
> /* some exceptional situation */
> }
> is there any
At 7:35 AM -0500 12/31/02, Jim Cromie wrote:
pardon the lack of clue I reveal here, but..
on 32 bit box, a void* has 3 values which are illegal/unaligned;
void* ptr;
if (ptr & 0x00) {
/* ok */
} else {
/* some exceptional situation */
}
is there any concievable use of this which doesnt i
pardon the lack of clue I reveal here, but..
on 32 bit box, a void* has 3 values which are illegal/unaligned;
void* ptr;
if (ptr & 0x00) {
/* ok */
} else {
/* some exceptional situation */
}
is there any concievable use of this which doesnt interfere with
legitimate bus-errors (ie exi
