https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70677
--- Comment #10 from Georg-Johann Lay ---
*** Bug 52025 has been marked as a duplicate of this bug. ***
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70677
Georg-Johann Lay changed:
What|Removed |Added
Status|WAITING |RESOLVED
Resolution|---
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70677
--- Comment #8 from Georg-Johann Lay ---
Author: gjl
Date: Thu Aug 4 07:52:38 2016
New Revision: 239117
URL: https://gcc.gnu.org/viewcvs?rev=239117=gcc=rev
Log:
PR 70677
* common/config/avr/avr-common.c
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70677
--- Comment #7 from Georg-Johann Lay ---
Author: gjl
Date: Wed Aug 3 15:46:11 2016
New Revision: 239080
URL: https://gcc.gnu.org/viewcvs?rev=239080=gcc=rev
Log:
PR 70677
* common/config/avr/avr-common.c
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70677
--- Comment #6 from night_ghost at ykoctpa dot ru ---
Thank you again for such good key - it saves me 150 bytes. Moreover this key is
not listed in GCC's possible optimisations for AVR.
PS. Why it not included by default to -Os? What can be
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70677
--- Comment #5 from Georg-Johann Lay ---
Maybe -fno-caller-saves is what you are looking for?
Here is a C test case guessed from your first code snipped:
typedef struct
{
unsigned char x, y;
} point;
extern void printSpeed (long, unsigned
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70677
--- Comment #4 from night_ghost at ykoctpa dot ru ---
Created attachment 38550
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=38550=edit
testcase in attachment
for AVR platform arduino.h is the most that neither is a standard :)
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70677
--- Comment #3 from Georg-Johann Lay ---
You can follow the bug reporting instructions an provide the preprocessed code
and the compiler output as described in https://gcc.gnu.org/bugs/#need
Just add -v -save-temps to the compiler's command
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70677
--- Comment #2 from night_ghost at ykoctpa dot ru ---
all code samples from
https://github.com/night-ghost/minimosd-extra/tree/master/MinimOsd_Extra. When
I try to isolate a piece of code with a bug in one file, it is compiled
differently than in
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70677
Georg-Johann Lay changed:
What|Removed |Added
Keywords||missed-optimization
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