From ca8af1b5fac79c8c0a11af5d059fbda7a1f78bae Mon Sep 17 00:00:00 2001
From: law <law@138bc75d-0d04-0410-961f-82ee72b054a4>
Date: Tue, 3 Jul 2018 05:14:10 +0000
Subject: [PATCH] 	* config/h8300/h8300.md (movqi_h8300, movqi_h8300hs):
 Consolidate 	the H8/300, H8/300H and H8/S variants into a single pattern. 
 (movhi_h8300, movqi_h8300hs): Similarly. 	(pushqi_h8300hs,
 pushhi_h8300hs): Consolidate into a single pattern. 	(QHI mode iterator):
 New.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@262329 138bc75d-0d04-0410-961f-82ee72b054a4
---
 gcc/ChangeLog             |  6 +++++
 gcc/config/h8300/h8300.md | 57 ++++++++---------------------------------------
 2 files changed, 15 insertions(+), 48 deletions(-)

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 15becdc2466..a1f2d351983 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,5 +1,11 @@
 2018-07-02  Jeff Law  <law@redhat.com>
 
+	* config/h8300/h8300.md (movqi_h8300, movqi_h8300hs): Consolidate
+	the H8/300, H8/300H and H8/S variants into a single pattern.
+	(movhi_h8300, movqi_h8300hs): Similarly.
+	(pushqi_h8300hs, pushhi_h8300hs): Consolidate into a single pattern.
+	(QHI mode iterator): New.
+
 	* config/h8300/h8300.md: Remove trailing whitespace.
 
 2018-07-02  Jim Wilson  <jimw@sifive.com>
diff --git a/gcc/config/h8300/h8300.md b/gcc/config/h8300/h8300.md
index 846fd735de0..74b22338c21 100644
--- a/gcc/config/h8300/h8300.md
+++ b/gcc/config/h8300/h8300.md
@@ -184,6 +184,7 @@
 
 (define_mode_iterator P [(HI "Pmode == HImode") (SI "Pmode == SImode")])
 
+(define_mode_iterator QHI [QI HI])
 
 ;; ----------------------------------------------------------------------
 ;; MOVE INSTRUCTIONS
@@ -191,25 +192,10 @@
 
 ;; movqi
 
-(define_insn "*movqi_h8300"
+(define_insn "*movqi_h8nosx"
   [(set (match_operand:QI 0 "general_operand_dst" "=r,r ,<,r,r,m")
 	(match_operand:QI 1 "general_operand_src" " I,r>,r,n,m,r"))]
-  "TARGET_H8300
-   && h8300_move_ok (operands[0], operands[1])"
-  "@
-   sub.b	%X0,%X0
-   mov.b	%R1,%X0
-   mov.b	%X1,%R0
-   mov.b	%R1,%X0
-   mov.b	%R1,%X0
-   mov.b	%X1,%R0"
-  [(set_attr "length" "2,2,2,2,4,4")
-   (set_attr "cc" "set_zn,set_znv,set_znv,set_znv,set_znv,set_znv")])
-
-(define_insn "*movqi_h8300hs"
-  [(set (match_operand:QI 0 "general_operand_dst" "=r,r ,<,r,r,m")
-	(match_operand:QI 1 "general_operand_src" " I,r>,r,n,m,r"))]
-  "(TARGET_H8300H || TARGET_H8300S) && !TARGET_H8300SX
+  "(TARGET_H8300 || TARGET_H8300H || TARGET_H8300S) && !TARGET_H8300SX
     && h8300_move_ok (operands[0], operands[1])"
   "@
    sub.b	%X0,%X0
@@ -220,7 +206,7 @@
    mov.b	%X1,%R0"
   [(set (attr "length")
 	(symbol_ref "compute_mov_length (operands)"))
-   (set_attr "cc" "set_zn,set_znv,set_znv,clobber,set_znv,set_znv")])
+   (set_attr "cc" "set_zn,set_znv,set_znv,set_znv,set_znv,set_znv")])
 
 (define_insn "*movqi_h8sx"
   [(set (match_operand:QI 0 "general_operand_dst" "=Z,rQ")
@@ -255,26 +241,10 @@
 
 ;; movhi
 
-(define_insn "*movhi_h8300"
+(define_insn "*movhi_h8nosx"
   [(set (match_operand:HI 0 "general_operand_dst" "=r,r,<,r,r,m")
 	(match_operand:HI 1 "general_operand_src" "I,r>,r,i,m,r"))]
-  "TARGET_H8300
-   && h8300_move_ok (operands[0], operands[1])"
-  "@
-   sub.w	%T0,%T0
-   mov.w	%T1,%T0
-   mov.w	%T1,%T0
-   mov.w	%T1,%T0
-   mov.w	%T1,%T0
-   mov.w	%T1,%T0"
-  [(set (attr "length")
-	(symbol_ref "compute_mov_length (operands)"))
-   (set_attr "cc" "set_zn,set_znv,set_znv,set_znv,set_znv,set_znv")])
-
-(define_insn "*movhi_h8300hs"
-  [(set (match_operand:HI 0 "general_operand_dst" "=r,r,<,r,r,m")
-	(match_operand:HI 1 "general_operand_src" "I,r>,r,i,m,r"))]
-  "(TARGET_H8300H || TARGET_H8300S) && !TARGET_H8300SX
+  "(TARGET_H8300 || TARGET_H8300H || TARGET_H8300S) && !TARGET_H8300SX
     && h8300_move_ok (operands[0], operands[1])"
   "@
    sub.w	%T0,%T0
@@ -855,25 +825,16 @@
   "mov.w\\t%T0,@-r7"
   [(set_attr "length" "2")])
 
-(define_insn "*pushqi1_h8300hs_<mode>"
-  [(set (mem:QI
+(define_insn "*push1_h8300hs_<mode>"
+  [(set (mem:QHI
 	(pre_modify:P
 	  (reg:P SP_REG)
 	  (plus:P (reg:P SP_REG) (const_int -4))))
-	(match_operand:QI 0 "register_no_sp_elim_operand" "r"))]
+	(match_operand:QHI 0 "register_no_sp_elim_operand" "r"))]
   "TARGET_H8300H || TARGET_H8300S"
   "mov.l\\t%S0,@-er7"
   [(set_attr "length" "4")])
 
-(define_insn "*pushhi1_h8300hs_<mode>"
-  [(set (mem:HI
-	(pre_modify:P
-	  (reg:P SP_REG)
-	  (plus:P (reg:P SP_REG) (const_int -4))))
-	(match_operand:HI 0 "register_no_sp_elim_operand" "r"))]
-  "TARGET_H8300H || TARGET_H8300S"
-  "mov.l\\t%S0,@-er7"
-  [(set_attr "length" "4")])
 
 ;; ----------------------------------------------------------------------
 ;; TEST INSTRUCTIONS
-- 
2.11.4.GIT