On Tue, Jun 18, 2019 at 07:13:22AM -0500, Segher Boessenkool wrote:
> On Mon, Jun 17, 2019 at 08:04:42PM -0400, Michael Meissner wrote:
> > --- gcc/config/rs6000/rs6000.md (revision 272270)
> > +++ gcc/config/rs6000/rs6000.md (working copy)
> > @@ -267,7 +267,9 @@ (define_attr "cpu"
> > (const (symbol_ref "(enum attr_cpu) rs6000_tune")))
> >
> > ;; The ISA we implement.
> > -(define_attr "isa" "any,p5,p6,p7,p7v,p8v,p9v,p9kf,p9tf" (const_string
> > "any"))
> > +(define_attr "isa"
> > + "any,p5,p6,p7,p7v,p8v,p9v,p9kf,p9tf,prefix"
> > + (const_string "any"))
>
> Don't break the line unnecessarily.
>
> "prefix" is not a good name. Maybe use "futp" now, so it is in line with
> the other isa values? I.e. the "prefix" part of the "future" isa. Or
> "futx"? Short names are important, keep it to 4 chars?
>
> (The isa values are named after the processor that first implements them,
> not the ISA versions, because 2.07 is much easier to get wrong than p8 is).
Here is version 2:
2019-06-19 Michael Meissner <meiss...@linux.ibm.com>
* config/rs6000/rs6000.md (isa attribute): Add support for
for a future processor.
Index: gcc/config/rs6000/rs6000.md
===================================================================
--- gcc/config/rs6000/rs6000.md (revision 272439)
+++ gcc/config/rs6000/rs6000.md (working copy)
@@ -267,7 +267,8 @@ (define_attr "cpu"
(const (symbol_ref "(enum attr_cpu) rs6000_tune")))
;; The ISA we implement.
-(define_attr "isa" "any,p5,p6,p7,p7v,p8v,p9v,p9kf,p9tf" (const_string "any"))
+(define_attr "isa" "any,p5,p6,p7,p7v,p8v,p9v,p9kf,p9tf,futp"
+ (const_string "any"))
;; Is this alternative enabled for the current CPU/ISA/etc.?
(define_attr "enabled" ""
@@ -306,6 +307,10 @@ (define_attr "enabled" ""
(and (eq_attr "isa" "p9tf")
(match_test "FLOAT128_VECTOR_P (TFmode)"))
(const_int 1)
+
+ (and (eq_attr "isa" "futp")
+ (match_test "TARGET_FUTURE"))
+ (const_int 1)
] (const_int 0)))
;; If this instruction is microcoded on the CELL processor
--
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
