Re: [PATCH] Add attribute((target("..."))) and pragma target to PowerPC

["H.J. Lu" <hjl dot tools at gmail dot com>]

On Sun, Oct 31, 2010 at 11:25 AM, Michael Meissner
<meissner@linux.vnet.ibm.com> wrote:
> This patch extends my previous patch here:
> http://gcc.gnu.org/ml/gcc-patches/2010-10/msg01952.html
>
> to include the initial PowerPC support for __attribute__((__target__("...")))
> and for #pragma GCC target "...".
>
> The machine independent portion of the patch is mostly the same as I previously
> submitted, except I reworked the awk scripts as suggested by Ralf Wildenhues to
> not do a-z or A-Z inside of regexps, instead using the letters spelled out.
>
> The PowerPC support includes the initial support for the target attribute and
> pragma, mostly cloning it from the work I did in GCC 4.3 to add the support to
> the i386/x86_64 ports. ?The one thing that is not currently done is I didn't
> look into the builtin function generation, nor into #defining and #undef'ing
> target macros for the #pragmas.
>
> I did a bootstrap on C, C++, and Fortran front ends, and ran the regression
> test for C and Fortran (the C++ library tests were all failing on the powerpc
> when I took my snapshot). ?I only had one regression (gcc.dg/sms-3.c fails
> under -m32 now when it used to pass for the selective scheduler). ?Is this ok
> to install?
>

I don't think we should extend this feature before fixing it properly
on existing
target:

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37565

-- 
H.J.