On Thu, May 20, 2021 at 02:30:24PM -0500, will schmidt wrote:
> > +;; XXPERMX built-in function support
> > +(define_expand "xxpermx"
> > + [(set (match_operand:V2DI 0 "register_operand" "+wa")
> > + (unspec:V2DI [(match_operand:V2DI 1 "register_operand" "wa")
> > + (match_operand:V2DI 2 "register_operand" "wa")
> > + (match_operand:V16QI 3 "register_operand" "wa")
> > + (match_operand:QI 4 "u8bit_cint_operand" "n")]
> > + UNSPEC_XXPERMX))]
> > + "TARGET_POWER10"
> > +{
> > + if (BYTES_BIG_ENDIAN)
> > + emit_insn (gen_xxpermx_inst (operands[0], operands[1],
> > + operands[2], operands[3],
> > + operands[4]));
> > + else
> > + {
> > + /* Reverse value of byte element indexes by XORing with 0xFF.
> > + Reverse the 32-byte section identifier match by subracting bits [0:2]
> > + of elemet from 7. */
>
>
> element (typo also existed in original).
Yep. I just copied the text verbatim from altivec.md.
--
Michael Meissner, IBM
IBM, M/S 2506R, 550 King Street, Littleton, MA 01460-6245, USA
email: meiss...@linux.ibm.com, phone: +1 (978) 899-4797
