https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110252
Andrew Pinski changed:
What|Removed |Added
Status|ASSIGNED|RESOLVED
Resolution|---
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110252
--- Comment #18 from CVS Commits ---
The trunk branch has been updated by Andrew Pinski :
https://gcc.gnu.org/g:8c79b49cd4fa742f7be739dd21fd2aa040cc1ba3
commit r14-2650-g8c79b49cd4fa742f7be739dd21fd2aa040cc1ba3
Author: Andrew Pinski
Date:
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110252
--- Comment #17 from Andrew Pinski ---
*** Bug 110732 has been marked as a duplicate of this bug. ***
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110252
--- Comment #16 from Andrew Pinski ---
Updated patch posted:
https://gcc.gnu.org/pipermail/gcc-patches/2023-July/624563.html
(depends on:
https://gcc.gnu.org/pipermail/gcc-patches/2023-July/624562.html
)
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110252
--- Comment #15 from Andrew Pinski ---
*** Bug 110599 has been marked as a duplicate of this bug. ***
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110252
--- Comment #14 from Andrew Pinski ---
*** Bug 110569 has been marked as a duplicate of this bug. ***
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110252
--- Comment #13 from Andrew Pinski ---
*** Bug 110532 has been marked as a duplicate of this bug. ***
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110252
--- Comment #12 from Andrew Pinski ---
*** Bug 110494 has been marked as a duplicate of this bug. ***
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110252
--- Comment #11 from Andrew Pinski ---
*** Bug 110475 has been marked as a duplicate of this bug. ***
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110252
--- Comment #10 from Zhendong Su ---
Another very likely related test.
Compiler Explorer: https://godbolt.org/z/1n5nsefWx
[557] % gcctk -v
Using built-in specs.
COLLECT_GCC=gcctk
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110252
--- Comment #9 from Andrew Pinski ---
Another testcase (from PR 110446):
```
unsigned int a = 1387579096U;
void sinkandcheck(unsigned b) __attribute__((noipa));
void sinkandcheck(unsigned b)
{
if (a != b)
__builtin_abort();
}
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110252
Andrew Pinski changed:
What|Removed |Added
CC||jwzeng at nuaa dot edu.cn
--- Comment
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110252
Andrew Pinski changed:
What|Removed |Added
CC||zhendong.su at inf dot ethz.ch
---
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110252
--- Comment #6 from Andrew Pinski ---
*** Bug 110337 has been marked as a duplicate of this bug. ***
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110252
Richard Biener changed:
What|Removed |Added
Priority|P3 |P1
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110252
--- Comment #5 from Richard Biener ---
You can probably follow what maybe_fold_comparisons_from_match_pd does,
possibly exactly the same thing (or even use a similar helper extended to
maybe_fold_cond_expr_from_match_pd?!)
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110252
--- Comment #4 from Andrew Pinski ---
here is another testcase which is reduced from sel-sched.cc which we currently
miscompile:
```
[[gnu::noipa]]
int g(int min_need_stall)
{
return min_need_stall < 0 ? 1 : ((min_need_stall) < (1) ?
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110252
--- Comment #3 from Andrew Pinski ---
smallest testcase:
```
signed char f() __attribute__((__noipa__));
signed char f() { return 0; }
int main()
{
int g = f() - 1;
int e = g < 0 ? 1 : ((g >> (8-2))!=0);
asm("":"+r"(e));
if (e != 1)
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110252
--- Comment #2 from Andrew Pinski ---
Created attachment 55323
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=55323=edit
Patch which fixes this issue
This patch fixes the issue by temporary removing the flow sensitive information
on the
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110252
Andrew Pinski changed:
What|Removed |Added
Last reconfirmed||2023-06-14
Component|c
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