https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83985
Jakub Jelinek changed:
What|Removed |Added
Status|ASSIGNED|RESOLVED
Resolution|---
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83985
--- Comment #12 from Jakub Jelinek ---
Author: jakub
Date: Fri Jan 26 12:24:53 2018
New Revision: 257088
URL: https://gcc.gnu.org/viewcvs?rev=257088=gcc=rev
Log:
PR rtl-optimization/83985
* dce.c (deletable_insn_p): Return false
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83985
--- Comment #11 from Jakub Jelinek ---
Author: jakub
Date: Fri Jan 26 11:48:05 2018
New Revision: 257087
URL: https://gcc.gnu.org/viewcvs?rev=257087=gcc=rev
Log:
PR rtl-optimization/83985
* dce.c (deletable_insn_p): Return false
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83985
--- Comment #10 from Segher Boessenkool ---
Ah, #c6 made me think you wanted to do something else. I didn't look close
enough, sorry. That patch looks good.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83985
--- Comment #9 from Jakub Jelinek ---
Yes, I do, see #c5. Successfully bootstrapped/regtested (without go which
seems to be broken right now) on powerpc64le-linux and bootstrapped on
powerpc64-linux, will post once regtest (-m64/-m32) on the
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83985
Segher Boessenkool changed:
What|Removed |Added
CC||segher at gcc dot gnu.org
---
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83985
--- Comment #7 from Arnd Bergmann ---
*** Bug 84038 has been marked as a duplicate of this bug. ***
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83985
--- Comment #6 from Jakub Jelinek ---
In the end this was really caused by r241060.
Not deleting unmarked insn is a bad idea, because we might not have marked any
instructions it needs, so instead we need to mark such instructions as not
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83985
Jakub Jelinek changed:
What|Removed |Added
Status|NEW |ASSIGNED
Assignee|unassigned
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83985
--- Comment #4 from Jakub Jelinek ---
With a x86_64-linux -> powerpc64-linux cross I can reproduce the hang on
./cc1 -quiet -O2 -m32 pr83985.c -nostdinc -mcpu=e300c3 -mtune=e300c3
but with x86_64-linux -> powerpc-linux cross it ICEs instead:
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83985
Arnd Bergmann changed:
What|Removed |Added
CC||segher at kernel dot
crashing.org
---
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83985
Arnd Bergmann changed:
What|Removed |Added
CC||arnd at linaro dot org
--- Comment #2
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83985
Jakub Jelinek changed:
What|Removed |Added
Status|UNCONFIRMED |NEW
Last reconfirmed|
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