Re: [PATCH], V4, patch #4.1: Enable prefixed/pc-rel addressing (revised)

2019-10-02 Thread Segher Boessenkool
On Wed, Oct 02, 2019 at 03:04:35PM -0400, Michael Meissner wrote: > On Tue, Oct 01, 2019 at 06:56:01PM -0500, Segher Boessenkool wrote: > > On Mon, Sep 30, 2019 at 10:12:54AM -0400, Michael Meissner wrote: > > > I needed > > > to add a second memory constraint ('eM') that prevents using a prefixed

Re: [PATCH], V4, patch #4.1: Enable prefixed/pc-rel addressing (revised)

2019-10-02 Thread Michael Meissner
On Tue, Oct 01, 2019 at 06:56:01PM -0500, Segher Boessenkool wrote: > Hi Mike, > > On Mon, Sep 30, 2019 at 10:12:54AM -0400, Michael Meissner wrote: > > I needed > > to add a second memory constraint ('eM') that prevents using a prefixed > > address. > > Do we need both em and eM? Do we ever

Re: [PATCH], V4, patch #4.1: Enable prefixed/pc-rel addressing (revised)

2019-10-01 Thread Segher Boessenkool
Hi Mike, On Mon, Sep 30, 2019 at 10:12:54AM -0400, Michael Meissner wrote: > I needed > to add a second memory constraint ('eM') that prevents using a prefixed > address. Do we need both em and eM? Do we ever want to allow prefixed insns but not pcrel? Or, alternatively, this only uses eM for