https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93353
Andrew Pinski changed:
What|Removed |Added
Resolution|--- |FIXED
Target Milestone|---
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93353
--- Comment #9 from Segher Boessenkool ---
(In reply to Jakub Jelinek from comment #7)
> if (low_int >= 0x8000 - extra)
> is not true and 0x7fff - -1 is 0x8000 (with UB on the compiler side).
These are HWIs, so there is no UB.
> B
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93353
--- Comment #8 from Segher Boessenkool ---
(In reply to Arseny Solokha from comment #5)
> (In reply to Segher Boessenkool from comment #4)
> > I cannot get the reduced testcase to fail. Are any special options needed?
>
> If you've been asking
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93353
--- Comment #7 from Jakub Jelinek ---
And to explain what was happening,
rs6000_legitimize_address has been called on x
(plus:SI (reg/f:SI 117)
(const_int 2147483647 [0x7fff]))
and mode QImode, oldx == x.
((0x7fff & 0x) ^ 0x8000)
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93353
Jakub Jelinek changed:
What|Removed |Added
CC||jakub at gcc dot gnu.org
--- Comment #6
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93353
--- Comment #5 from Arseny Solokha ---
(In reply to Segher Boessenkool from comment #4)
> I cannot get the reduced testcase to fail. Are any special options needed?
If you've been asking me: no, the compiler invocation posted in comment 0 is
ex
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93353
--- Comment #4 from Segher Boessenkool ---
I cannot get the reduced testcase to fail. Are any special options needed?
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93353
--- Comment #3 from andrew.goodbody at linaro dot org ---
Command line used was this
/usr/local/bin/gcc-U_FORTIFY_SOURCE -Wall
-Wunused-but-set-parameter -Wno-free-nonheap-object
-fno-omit-frame-pointer -g0 -O2 '-D
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93353
--- Comment #2 from andrew.goodbody at linaro dot org ---
Created attachment 50260
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=50260&action=edit
Pre-processed source showing bug
Sorry its an archive but its too big as plain text. Produce
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93353
andrew.goodbody at linaro dot org changed:
What|Removed |Added
CC||andrew.goodbody at lin
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