[Bug rtl-optimization/102446] [9/10/11/12 Regression] wrong code at -O3 on x86_64-linux-gnu
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102446 Andrew Pinski changed: What|Removed |Added Keywords|needs-bisection | --- Comment #12 from Andrew Pinski --- (In reply to Jakub Jelinek from comment #11) > It still fails for me. As I corrected in #c7, I didn't mean ICE but > miscompilation (at -O3). Yes it does still fail for me too, I don't know what I was doing wrong last night.
[Bug rtl-optimization/102446] [9/10/11/12 Regression] wrong code at -O3 on x86_64-linux-gnu
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102446 --- Comment #11 from Jakub Jelinek --- It still fails for me. As I corrected in #c7, I didn't mean ICE but miscompilation (at -O3).
[Bug rtl-optimization/102446] [9/10/11/12 Regression] wrong code at -O3 on x86_64-linux-gnu
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102446 Andrew Pinski changed: What|Removed |Added Keywords||needs-bisection --- Comment #10 from Andrew Pinski --- (In reply to Jakub Jelinek from comment #6) This testcase seems to be fixed on the trunk. It would be useful to know where it was fixed.
[Bug rtl-optimization/102446] [9/10/11/12 Regression] wrong code at -O3 on x86_64-linux-gnu
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102446 --- Comment #9 from Jakub Jelinek --- I think PR23567 is quite different, that was about stores to a place that might not be writable, this is about making a possibly trapping conditional load being unconditional.
[Bug rtl-optimization/102446] [9/10/11/12 Regression] wrong code at -O3 on x86_64-linux-gnu
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102446 Andrew Pinski changed: What|Removed |Added See Also||https://gcc.gnu.org/bugzill ||a/show_bug.cgi?id=23567 --- Comment #8 from Andrew Pinski --- (In reply to Richard Biener from comment #3) > I don't see any flags marking it as not trapping? Related to PR 23567 (which was fixed but maybe not fully).
[Bug rtl-optimization/102446] [9/10/11/12 Regression] wrong code at -O3 on x86_64-linux-gnu
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102446 --- Comment #7 from Jakub Jelinek --- I mean segfaults at runtime, not ICEs.
[Bug rtl-optimization/102446] [9/10/11/12 Regression] wrong code at -O3 on x86_64-linux-gnu
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102446
--- Comment #6 from Jakub Jelinek ---
int a = 1, c, e, f, *j, k, o, *r = , s;
char b, l;
short d, *g;
unsigned h;
static void m(void);
static inline void n(int);
void p(int *q) {
while (1) {
if (*q)
break;
if (*g)
o = c;
while (l)
;
}
}
void t() {
for (; s < 8; s++)
m();
}
__attribute__((noinline)) void m() {
int aa = 0, i = 0;
for (; i < 3; i++)
if (k < 0)
aa |= *j;
if (d)
c = (h + *g + 2) & c;
n(aa);
}
static inline __attribute__((always_inline)) void n(int ac) {
char *ad = , u = ac, *v =
int ae = *ad = a;
u && (*v = e > 0);
*r = c;
p();
}
int main() {
t();
return 0;
}
ICEs already in r105000.
[Bug rtl-optimization/102446] [9/10/11/12 Regression] wrong code at -O3 on x86_64-linux-gnu
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102446 --- Comment #5 from Richard Biener --- (In reply to Jan Hubicka from comment #4) > > Started with r5-6477-g3620b606822f80863488ca4883542d848d41f9f9 > This only affects early inlining decisions, so it may be useful to > bisect this with --param early-inlining-insns=14 > > Honza It's also miscompiled with -fno-inline.
[Bug rtl-optimization/102446] [9/10/11/12 Regression] wrong code at -O3 on x86_64-linux-gnu
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102446 Richard Biener changed: What|Removed |Added Priority|P3 |P2 Component|tree-optimization |rtl-optimization
