[4.0 PATCH] Tweak *truncsfdf_fast_i387 pattern in i386.md (Take 2)

[Roger Sayle]

On Mon, 4 Apr 2005, Richard Henderson wrote:
> On Mon, Apr 04, 2005 at 03:34:01PM -0600, Roger Sayle wrote:
> > 	* config/i386/i386.md (*truncdfsf_fast_i387): Enable pattern when
> > 	writing to memory, even when !flag_unsafe_math_optimizations.
>
> No.  The constraints allow reload to screw up.

Is the first version of the patch, posted at
http://gcc.gnu.org/ml/gcc-patches/2005-04/msg00271.html
acceptable?  This introduces a new duplicate pattern but with
tighter constraints, that should prevent reload from messing
things up.

Roger
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