On Tue, Sep 10, 2013 at 01:18:34PM +0200, Richard Biener wrote:
> Ok.
Thanks.
> > BTW, I wonder about REG_ATTRS and REG_POINTER, REG_USERVAR_P,
> > REG_FUNCTION_VALUE_P, is it fine to keep them as is
>
> Definitely REG_EXPR is used to check for signedness of a register, but I
> suppose
> that i
On Tue, Sep 10, 2013 at 12:38 PM, Jakub Jelinek wrote:
> Hi!
>
> If two instructions are rtl_equal_p, and cross-jumping decides to cross-jump
> them together, merge_memattrs takes care of clearing various MEM_ATTRS
> or setting alignment to minimum, size to maximum etc.
> But, it didn't handle fla
Hi!
If two instructions are rtl_equal_p, and cross-jumping decides to cross-jump
them together, merge_memattrs takes care of clearing various MEM_ATTRS
or setting alignment to minimum, size to maximum etc.
But, it didn't handle flags on the MEMs.
The following patch fixes that. MEM_KEEP_ALIAS_SE
