Assignee: unassigned at gcc dot gnu.org
Reporter: gcc at pkh dot me
Target Milestone: ---
Given the following C code:
% cat a.c
#include
static const float z[1] = {0};
int f(float x) { return memcmp(&x, z, sizeof(x)); }
GCC 10 generates this on x8
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95189
--- Comment #5 from gcc at pkh dot me ---
I'd like to point out that this regression impacts badly a production app.
We're using this pattern to compare an input vector of floats to a vector of
zeros, but the comparison always ret
: regression
Assignee: unassigned at gcc dot gnu.org
Reporter: gcc at pkh dot me
Target Milestone: ---
Using DJGPP, requested alignment is not clamped anymore:
[/tmp]☭ echo 'int __attribute__ ((aligned (16))) x;' > a.c &&
i686-pc-msdosdjgpp-cc -c
Assignee: unassigned at gcc dot gnu.org
Reporter: gcc at pkh dot me
Target Milestone: ---
Following is a code that is sensible to a signed integer overflow. I was under
the impression that this kind of undefined behavior essentially meant that the
value of that integer could
