This isn't used since 2012. (It's a remnant of RIOS support).
Committing to trunk.
Segher
2019-09-06 Segher Boessenkool <seg...@kernel.crashing.org>
* config/rs6000/rs6000.c (rs6000_rtx_costs) <case UNSPEC>: Delete.
* config/rs6000/rs6000.md (unspec): Delete UNSPEC_FRSP.
---
gcc/config/rs6000/rs6000.c | 12 ------------
gcc/config/rs6000/rs6000.md | 3 +--
2 files changed, 1 insertion(+), 14 deletions(-)
diff --git a/gcc/config/rs6000/rs6000.c b/gcc/config/rs6000/rs6000.c
index ce86d30..c15e05e 100644
--- a/gcc/config/rs6000/rs6000.c
+++ b/gcc/config/rs6000/rs6000.c
@@ -20923,18 +20923,6 @@ rs6000_rtx_costs (rtx x, machine_mode mode, int
outer_code,
*total = rs6000_cost->fp;
return false;
- case UNSPEC:
- switch (XINT (x, 1))
- {
- case UNSPEC_FRSP:
- *total = rs6000_cost->fp;
- return true;
-
- default:
- break;
- }
- break;
-
case CALL:
case IF_THEN_ELSE:
if (!speed)
diff --git a/gcc/config/rs6000/rs6000.md b/gcc/config/rs6000/rs6000.md
index b1fddbf..d408e44 100644
--- a/gcc/config/rs6000/rs6000.md
+++ b/gcc/config/rs6000/rs6000.md
@@ -58,8 +58,7 @@ (define_constants
;;
(define_c_enum "unspec"
- [UNSPEC_FRSP ; frsp for POWER machines
- UNSPEC_PROBE_STACK ; probe stack memory reference
+ [UNSPEC_PROBE_STACK ; probe stack memory reference
UNSPEC_TOCPTR ; address of a word pointing to the TOC
UNSPEC_TOC ; address of the TOC (more-or-less)
UNSPEC_TOCSLOT ; offset from r1 of toc pointer save slot
--
1.8.3.1
