From e76e75bb709e93a84d55a3f0366b3ade0d532e7f Mon Sep 17 00:00:00 2001
From: Richard Kenner <kenner@gcc.gnu.org>
Date: Sat, 27 Mar 1993 08:21:59 -0500
Subject: [PATCH] (mov[qhs]i): Allow moving a special reg to itself.

From-SVN: r3891
---
 gcc/config/rs6000/rs6000.md | 27 +++++++++++++++------------
 1 file changed, 15 insertions(+), 12 deletions(-)

diff --git a/gcc/config/rs6000/rs6000.md b/gcc/config/rs6000/rs6000.md
index 23a7f3c5afd..f6a9d21d342 100644
--- a/gcc/config/rs6000/rs6000.md
+++ b/gcc/config/rs6000/rs6000.md
@@ -2103,8 +2103,8 @@
 }")
 
 (define_insn ""
-  [(set (match_operand:SI 0 "nonimmediate_operand" "=r,r,m,r,r,r,*c*q,*l")
-	(match_operand:SI 1 "input_operand" "r,m,r,I,J,*h,r,r"))]
+  [(set (match_operand:SI 0 "nonimmediate_operand" "=r,r,m,r,r,r,*c*q,*l,*h")
+	(match_operand:SI 1 "input_operand" "r,m,r,I,J,*h,r,r,0"))]
   "gpc_reg_operand (operands[0], SImode)
    || gpc_reg_operand (operands[1], SImode)"
   "@
@@ -2115,8 +2115,9 @@
    cau %0,0,%u1
    mf%1 %0
    mt%0 %1
-   mt%0 %1"
-  [(set_attr "type" "*,load,*,*,*,*,*,mtlr")])
+   mt%0 %1
+   cror 0,0,0"
+  [(set_attr "type" "*,load,*,*,*,*,*,mtlr,*")])
 
 ;; Split a load of a large constant into the appropriate two-insn
 ;; sequence.
@@ -2161,8 +2162,8 @@
 }")
 
 (define_insn ""
-  [(set (match_operand:HI 0 "nonimmediate_operand" "=r,r,m,r,r,*h")
-	(match_operand:HI 1 "input_operand" "r,m,r,i,*h,r"))]
+  [(set (match_operand:HI 0 "nonimmediate_operand" "=r,r,m,r,r,*h,*h")
+	(match_operand:HI 1 "input_operand" "r,m,r,i,*h,r,0"))]
   "gpc_reg_operand (operands[0], HImode)
    || gpc_reg_operand (operands[1], HImode)"
   "@
@@ -2171,8 +2172,9 @@
    sth%U0%X0 %1,%0
    cal %0,%w1(0)
    mf%1 %0
-   mt%0 %1"
-  [(set_attr "type" "*,load,*,*,*,*")])
+   mt%0 %1
+   cror 0,0,0"
+  [(set_attr "type" "*,load,*,*,*,*,*")])
 
 (define_expand "movqi"
   [(set (match_operand:QI 0 "general_operand" "")
@@ -2188,8 +2190,8 @@
 }")
 
 (define_insn ""
-  [(set (match_operand:QI 0 "nonimmediate_operand" "=r,r,m,r,r,*h")
-	(match_operand:QI 1 "input_operand" "r,m,r,i,*h,r"))]
+  [(set (match_operand:QI 0 "nonimmediate_operand" "=r,r,m,r,r,*h,*h")
+	(match_operand:QI 1 "input_operand" "r,m,r,i,*h,r,0"))]
   "gpc_reg_operand (operands[0], QImode)
    || gpc_reg_operand (operands[1], QImode)"
   "@
@@ -2198,8 +2200,9 @@
    stb%U0%X0 %1,%0
    cal %0,%1(0)
    mf%1 %0
-   mt%0 %1"
-  [(set_attr "type" "*,load,*,*,*,*")])
+   mt%0 %1
+   cror 0,0,0"
+  [(set_attr "type" "*,load,*,*,*,*,*")])
 
 ;; Here is how to move condition codes around.  When we store CC data in
 ;; an integer register or memory, we store just the high-order 4 bits.
-- 
2.30.2