[gcc/devel/c++-modules] Support for the CPEN control register was removed in rev .50 of the RXv1 Instruction Set Architectur

[Nathan Sidwell]

https://gcc.gnu.org/g:daf2852b883762d921361462dad1f99320faca2a

commit daf2852b883762d921361462dad1f99320faca2a
Author: Jeff Law <law@redhat.com>
Date:   Thu Mar 12 13:41:28 2020 -0600

    Support for the CPEN control register was removed in rev .50 of the RXv1 Instruction Set Architecture manual in Feb 2009.  This patch removes it from GCC.
    
            * config/rx/rx.md (CTRLREG_CPEN): Remove.
            * config/rx/rx.c (rx_print_operand): Remove CTRLREG_CPEN support.

Diff:
---
 gcc/ChangeLog       | 5 +++++
 gcc/config/rx/rx.c  | 1 -
 gcc/config/rx/rx.md | 1 -
 3 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index a43b453178d..b184a1af8e9 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2020-03-12  Darius Galis  <darius.galis@cyberthorstudios.com>
+
+	* config/rx/rx.md (CTRLREG_CPEN): Remove.
+	* config/rx/rx.c (rx_print_operand): Remove CTRLREG_CPEN support.
+
 2020-03-12  Richard Biener  <rguenther@suse.de>
 
 	PR tree-optimization/94103
diff --git a/gcc/config/rx/rx.c b/gcc/config/rx/rx.c
index 0a51124c529..151ad39d9f0 100644
--- a/gcc/config/rx/rx.c
+++ b/gcc/config/rx/rx.c
@@ -641,7 +641,6 @@ rx_print_operand (FILE * file, rtx op, int letter)
 	case CTRLREG_PSW:   fprintf (file, "psw"); break;
 	case CTRLREG_USP:   fprintf (file, "usp"); break;
 	case CTRLREG_FPSW:  fprintf (file, "fpsw"); break;
-	case CTRLREG_CPEN:  fprintf (file, "cpen"); break;
 	case CTRLREG_BPSW:  fprintf (file, "bpsw"); break;
 	case CTRLREG_BPC:   fprintf (file, "bpc"); break;
 	case CTRLREG_ISP:   fprintf (file, "isp"); break;
diff --git a/gcc/config/rx/rx.md b/gcc/config/rx/rx.md
index 0cf5025a6d9..df08a9e5c3e 100644
--- a/gcc/config/rx/rx.md
+++ b/gcc/config/rx/rx.md
@@ -79,7 +79,6 @@
    (CTRLREG_PSW		    0)
    (CTRLREG_USP		    2)
    (CTRLREG_FPSW	    3)
-   (CTRLREG_CPEN	    4)
    (CTRLREG_BPSW	    8)
    (CTRLREG_BPC		    9)
    (CTRLREG_ISP		   10)