[Bug libc/21029] glibc-2.23 (and later) fails to compile with -fno-omit-frame-pointer on i386

0xe2.0x9a.0x9b at gmail dot com sourceware-bugzilla@sourceware.org
Wed Jan 11 08:50:00 GMT 2017


https://sourceware.org/bugzilla/show_bug.cgi?id=21029

--- Comment #7 from Jan Ziak (http://atom-symbol.net) <0xe2.0x9a.0x9b at gmail dot com> ---
(In reply to Adhemerval Zanella from comment #6)
> The optimization takes in consideration than if
> you are using GCC 5, the compiler an properly spill %ebx when needed, we can
> inline syscalls with 6 arguments.

Just a note: stack frame pointer is stored in %ebp, not %ebx.

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