https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88481
Heinrich Seebauer changed:
What|Removed |Added
Status|WAITING |RESOLVED
Resolution|---
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88481
--- Comment #8 from Heinrich Seebauer ---
Sorry, my comment was lost completely after uploading the attachment.
Try again...
So I hope, I got this right.
-fdbg-cnt=if_conversion:xx,if_after_combine:yy
xx yy result
---
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88481
--- Comment #7 from Heinrich Seebauer ---
Created attachment 45232
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=45232&action=edit
zipped asm files for three cases
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88481
--- Comment #4 from Heinrich Seebauer ---
To isolate the cause, I suppressed several optimization options from thge -O1
group. Adding -fno-if-conversion to the options got the code correct, other -O1
options didn't change anything.
I think, this
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88481
--- Comment #3 from Heinrich Seebauer ---
Thanks, Alexander, for your advice, I will try to isolate this symptom further.
Added the attachment ...
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88481
--- Comment #2 from Heinrich Seebauer ---
Created attachment 45227
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=45227&action=edit
precompiled source of fsch.c
ty: normal
Priority: P3
Component: c
Assignee: unassigned at gcc dot gnu.org
Reporter: heinrich.seebauer at swistec dot de
Target Milestone: ---
Compiling with option -O1 causes the optimizer to drop code for the 'then'
branch.
Verified for targets
gnueabi-l
