On Sun, 24 Feb 2013, Alec Teal wrote:
what has changed between 4.6 (stock) and 4.8 (my current version)...
http://gcc.gnu.org/gcc-4.8/changes.html
(look for GDB in this page)
--
Marc Glisse
Hello,
Is it necessary for an insn to have REG_UNUSED notes for a CLOBBER?
There are lots such notes on x86 for the flags register:
11: {r68:DI=r61:DI<<0x8;clobber flags:CC;}
REG_DEAD r61:DI
REG_UNUSED flags:CC
In most places where the compiler looks at REG_UNUSED notes, it is for
Snapshot gcc-4.8-20130224 is now available on
ftp://gcc.gnu.org/pub/gcc/snapshots/4.8-20130224/
and on various mirrors, see http://gcc.gnu.org/mirrors.html for details.
This snapshot has been generated from the GCC 4.8 SVN branch
with the following options: svn://gcc.gnu.org/svn/gcc/trunk
Hi All,
I read the relase notes on GCC 4.8
(http://gcc.gnu.org/gcc-4.8/changes.html) and -Og caught my eye (the
bulleted item is below).
>From the description, it looks like the switch addresses three issues:
(1) compilation time, (2) 'debugging experience', and (3) runtime
performance. I'm not
2013/2/25 Jeffrey Walton :
> Hi All,
>
> I read the relase notes on GCC 4.8
> (http://gcc.gnu.org/gcc-4.8/changes.html) and -Og caught my eye (the
> bulleted item is below).
[deleted]
>
> What "n" does -Og correspond to for -O and -g (i.e., -O1, -O2; -g2, -g3)?
[deleted]
> Is -Og -g3 a valid combi
