From: Kazu Hirata <kazu@cs.umass.edu>
Date: Fri, 20 Dec 2002 00:08:06 +0000 (+0000)
Subject: h8300.md (pushqi_h8300): Don't push the stack pointer.
X-Git-Tag: releases/gcc-3.4.0~9878
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=191ff852794b8c3658edf2c45db73df65eb139cb;p=thirdparty%2Fgcc.git

h8300.md (pushqi_h8300): Don't push the stack pointer.

	* config/h8300/h8300.md (pushqi_h8300): Don't push the stack
	pointer.
	(pushqi_h8300hs): Likewise.
	(pushhi_h8300): Likewise.
	(pushhi_h8300hs): Likewise.

From-SVN: r60343
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index f4f556dc08b1..281975ff9d57 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,11 @@
+2002-12-19  Kazu Hirata  <kazu@cs.umass.edu>
+
+	* config/h8300/h8300.md (pushqi_h8300): Don't push the stack
+	pointer.
+	(pushqi_h8300hs): Likewise.
+	(pushhi_h8300): Likewise.
+	(pushhi_h8300hs): Likewise.
+
 Thu Dec 19 23:44:09 2002  J"orn Rennecke <joern.rennecke@superh.com>
 
 	* sched-rgn.c (init_regions): Update comment.
diff --git a/gcc/config/h8300/h8300.md b/gcc/config/h8300/h8300.md
index cf4e6a95cb1f..14e2c6c09724 100644
--- a/gcc/config/h8300/h8300.md
+++ b/gcc/config/h8300/h8300.md
@@ -117,7 +117,8 @@
 		   (plus:HI (reg:HI SP_REG) (const_int -2)))
 	      (set (mem:QI (plus:HI (reg:HI SP_REG) (const_int -1)))
 		   (match_operand:QI 0 "register_operand" "r"))])]
-  "TARGET_H8300"
+  "TARGET_H8300
+   && REGNO (operands[0]) != SP_REG"
   "mov.w\\t%T0,@-r7"
   [(set_attr "length" "2")
    (set_attr "cc" "clobber")])
@@ -127,7 +128,8 @@
 		   (plus:SI (reg:SI SP_REG) (const_int -4)))
 	      (set (mem:QI (plus:SI (reg:SI SP_REG) (const_int -3)))
 		   (match_operand:QI 0 "register_operand" "r"))])]
-  "TARGET_H8300H || TARGET_H8300S"
+  "(TARGET_H8300H || TARGET_H8300S)
+   && REGNO (operands[0]) != SP_REG"
   "mov.l\\t%S0,@-er7"
   [(set_attr "length" "4")
    (set_attr "cc" "clobber")])
@@ -209,7 +211,8 @@
 (define_expand "pushhi1_h8300"
   [(set (mem:HI (pre_dec:HI (reg:HI SP_REG)))
 	(match_operand:HI 0 "register_operand" ""))]
-  "TARGET_H8300"
+  "TARGET_H8300
+   && REGNO (operands[0]) != SP_REG"
   "")
 
 (define_insn "pushhi1_h8300hs"
@@ -217,7 +220,8 @@
 		   (plus:SI (reg:SI SP_REG) (const_int -4)))
 	      (set (mem:HI (plus:SI (reg:SI SP_REG) (const_int -2)))
 		   (match_operand:HI 0 "register_operand" "r"))])]
-  "TARGET_H8300H || TARGET_H8300S"
+  "(TARGET_H8300H || TARGET_H8300S)
+   && REGNO (operands[0]) != SP_REG"
   "mov.l\\t%S0,@-er7"
   [(set_attr "length" "4")
    (set_attr "cc" "clobber")])