[PATCH] Fix float128-call.c test for power8 IEEE 128 and power10.

Michael Meissner meissner@linux.ibm.com
Fri Aug 27 17:11:19 GMT 2021


On Fri, Aug 27, 2021 at 11:41:06AM -0500, Bill Schmidt wrote:
> This amuses me, and I want to keep it this way. :-)
> >   void store (TYPE a, TYPE *p) { *p = a; }
> > -/* { dg-final { scan-assembler {\mlxvd2x 34\M} {target be} } } */
> > -/* { dg-final { scan-assembler {\mstxvd2x 34\M} {target be} } } */
> > -/* { dg-final { scan-assembler {\mlvx 2\M} {target le} } }  */
> > -/* { dg-final { scan-assembler {\mstvx 2\M} {target le} } } */
> > +/* This regexp captures the different vector load/stores that can be generated:
> > +
> > +	lxvd2x	-- big endian power7/power8, little endian power8
> > +	lvx	-- Altivec
> > +	lxv	-- power9
> > +	plxv	-- power10
> > +	lxvx	-- X-form variant.
> > +	stxvd2x	-- big endian power7/power8, little endian power8
> > +	stvx	-- Altivec
> 
> For symmetry, also mention stxvx as an X-form variant?

Yep, thanks.

Because of the way the test is written (load a constant and store through a
pointer), it wouldn't generate stxv and pstxv.

-- 
Michael Meissner, IBM
IBM, M/S 2506R, 550 King Street, Littleton, MA 01460-6245, USA
email: meissner@linux.ibm.com, phone: +1 (978) 899-4797


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