https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100937
--- Comment #12 from hubicka at kam dot mff.cuni.cz ---
> (The -fno-semantic-interposition thing is probably the biggest performance gap
> between gcc -fpic and clang -fpic.)
Yep, it is often confusing to users (who do not understand what ELF
int
> (The -fno-semantic-interposition thing is probably the biggest performance gap
> between gcc -fpic and clang -fpic.)
Yep, it is often confusing to users (who do not understand what ELF
interposition is) that clang and gcc disagree on default flags here.
Recently -Ofast was extended to imply -fno-
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100937
--- Comment #11 from Fangrui Song ---
To enable interposition on Mach-O, one needs a non-default configuration like:
ld -interposable, DYLD_FORCE_FLAT_NAMESPACE or
__attribute__((section("__DATA,__interpose"))).
On PE/COFF, such interposition ju
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100937
--- Comment #10 from frankhb1989 at gmail dot com ---
(In reply to Jonathan Wakely from comment #9)
> (In reply to frankhb1989 from comment #7)
> The toolchain might not be ELF-specific, but
> on targets that *do* use ELF, of course the ELF speci
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100937
--- Comment #9 from Jonathan Wakely ---
(In reply to frankhb1989 from comment #7)
> GCC and the GNU toolchain are not ELF-specific. Nor are they responsible to
> the authority of the specification.
That seems like nonsense to me. The toolchain
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100937
Eric Gallager changed:
What|Removed |Added
See Also||https://gcc.gnu.org/bugzill
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100937
frankhb1989 at gmail dot com changed:
What|Removed |Added
CC||frankhb1989 at gmail dot c
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100937
--- Comment #6 from Fangrui Song ---
Then can you add a -fvisibility=protected variant which only applies to
non-weak defined functions?
Two issues need to be fixed:
(1): https://sourceware.org/bugzilla/show_bug.cgi?id=27973
__attribute__((vi
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100937
Jakub Jelinek changed:
What|Removed |Added
CC||jakub at gcc dot gnu.org
--- Comment #5
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100937
--- Comment #4 from Andrew Pinski ---
Also your patch did not change the documentation of the option.
Plus the documentation is clear that changing the default is most likely not
wanted at all:
https://gcc.gnu.org/onlinedocs/gcc-11.1.0/gcc/Optim
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100937
Andrew Pinski changed:
What|Removed |Added
Resolution|--- |WONTFIX
Status|UNCONFIRMED
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100937
Fangrui Song changed:
What|Removed |Added
Resolution|WONTFIX |---
Status|RESOLVED
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100937
Andrew Pinski changed:
What|Removed |Added
Resolution|--- |WONTFIX
Status|UNCONFIRMED
13 matches
Mail list logo
