https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64953
Mikhail Maltsev maltsevm at gmail dot com changed:
What|Removed |Added
CC||maltsevm at
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64953
--- Comment #12 from manuel.reimer at gmx dot de ---
(In reply to Richard Earnshaw from comment #11)
We don't have your hardware and we don't have the full code to your
application, so we aren't going to be able to help you debug this.
The
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64953
manuel.reimer at gmx dot de changed:
What|Removed |Added
Resolution|INVALID |FIXED
--- Comment #14 from
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64953
Richard Earnshaw rearnsha at gcc dot gnu.org changed:
What|Removed |Added
Status|WAITING |RESOLVED
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64953
manuel.reimer at gmx dot de changed:
What|Removed |Added
Status|RESOLVED|REOPENED
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64953
Richard Earnshaw rearnsha at gcc dot gnu.org changed:
What|Removed |Added
Status|UNCONFIRMED |WAITING
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64953
Andrew Pinski pinskia at gcc dot gnu.org changed:
What|Removed |Added
Status|REOPENED|RESOLVED
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64953
--- Comment #17 from manuel.reimer at gmx dot de ---
I've tried that and unfortunately I still get the errors when connecting my
STM32 via USB.
So the only solution, available for me, seems to be to add a note to the
sourcecode that it has to be
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64953
--- Comment #7 from manuel.reimer at gmx dot de ---
I've tried to find out when the bug first occured.
This one (oldes 4.9 snapshot, I can get) already has the problem:
ftp://gcc.gnu.org/pub/gcc/snapshots/4.9-20140302/
And this one (newest 4.8
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64953
--- Comment #8 from Markus Trippelsdorf trippels at gcc dot gnu.org ---
(In reply to manuel.reimer from comment #7)
I've tried to find out when the bug first occured.
This one (oldes 4.9 snapshot, I can get) already has the problem:
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64953
--- Comment #9 from manuel.reimer at gmx dot de ---
The two commits are in different branches. How to bisect in this case?
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64953
--- Comment #10 from Markus Trippelsdorf trippels at gcc dot gnu.org ---
(In reply to manuel.reimer from comment #9)
The two commits are in different branches. How to bisect in this case?
gcc's history is linear in git. So you could start with
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64953
--- Comment #3 from manuel.reimer at gmx dot de ---
Thank you for your suggestion. This helped me to narrow this down to the
function usbReset:
https://github.com/tormodvolden/maple-bootloader/blob/unify_platforms/usb.c#L258
If I use -Os on
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64953
--- Comment #4 from Markus Trippelsdorf trippels at gcc dot gnu.org ---
Ok, thanks.
Now please attach the preprocessed source of that file (by adding
--save-temps to the compiler invocation). Also post the exact
command line you use to compile
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64953
--- Comment #5 from manuel.reimer at gmx dot de ---
Created attachment 34690
-- https://gcc.gnu.org/bugzilla/attachment.cgi?id=34690action=edit
Preprocessed file for usb.c
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64953
--- Comment #6 from manuel.reimer at gmx dot de ---
The exact command line is:
arm-none-eabi-gcc -c -mthumb -mcpu=cortex-m3 -mthumb-interwork -I. -Os
-ffunction-sections -fdata-sections -Wall -Wimplicit -Wcast-align
-Wpointer-arith -Wswitch
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64953
Markus Trippelsdorf trippels at gcc dot gnu.org changed:
What|Removed |Added
CC|
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