https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67283
Xavier Roche changed:
What|Removed |Added
Known to work||6.1.0, 6.2.0
Known to fail|
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67283
--- Comment #11 from Xavier Roche ---
PS: Shall I create a twin ticket for the structure case ?
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67283
--- Comment #10 from Xavier Roche ---
The "Second test case" attached should produce exactly the same bytes
(byte-to-byte) for the two demo_1 and demo_2 functions. And this would not rely
on stack size that might change.
With GCC 4.4.7:
demo_2(
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67283
--- Comment #9 from Xavier Roche ---
Created attachment 36260
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=36260&action=edit
Second test case (might be useful for unit testing)
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67283
--- Comment #6 from Xavier Roche ---
> the problem is that the structure contains an array an total scalarization is
> not implemented for them
I confirm that without any array the inlining is fine.
Side note: the same problem appears with an
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67283
--- Comment #3 from Xavier Roche ---
Created attachment 36222
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=36222&action=edit
Produced assembly code with GCC 5.2.0 on x86_64
Produced assembly code with GCC 5.2.0 on x86_64
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67283
--- Comment #2 from Xavier Roche ---
Created attachment 36221
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=36221&action=edit
Produced assembly code with GCC 4.6.4 on x86_64
Produced assembly code with GCC 4.6.4 on x86_64
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67283
--- Comment #1 from Xavier Roche ---
Created attachment 36220
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=36220&action=edit
Produced assembly code with GCC 4.4.7 on x86_64
Produced assembly code with GCC 4.4.7 on x86_64
Component: c
Assignee: unassigned at gcc dot gnu.org
Reporter: roche at httrack dot com
Target Milestone: ---
Created attachment 36219
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=36219&action=edit
Sample test case (gcc -S -O3 -W -Wall)
An optimization bug regression
