From 9fe7f443dd960692dcaeb6ff788f1026fda92315 Mon Sep 17 00:00:00 2001
From: Kazu Hirata <kazu@cs.umass.edu>
Date: Fri, 14 Nov 2003 12:39:27 +0000
Subject: [PATCH] lib1funcs.asm (modsi3): Don't save unused registers.

	* config/h8300/lib1funcs.asm (modsi3): Don't save unused
	registers.
	(divsi3): Likewise.
	(reti): Don't restore unused registers.

From-SVN: r73603
---
 gcc/ChangeLog                  |  7 +++++++
 gcc/config/h8300/lib1funcs.asm | 14 ++++++++++----
 2 files changed, 17 insertions(+), 4 deletions(-)

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index c02bc9b642b..ef766e5c655 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,10 @@
+2003-11-14  Kazu Hirata  <kazu@cs.umass.edu>
+
+	* config/h8300/lib1funcs.asm (modsi3): Don't save unused
+	registers.
+	(divsi3): Likewise.
+	(reti): Don't restore unused registers.
+
 2003-11-14  Nick Clifton  <nickc@redhat.com>
 
 	* config/fr30/fr30.c: Include toplev.h
diff --git a/gcc/config/h8300/lib1funcs.asm b/gcc/config/h8300/lib1funcs.asm
index cc79e35e78b..cf9689f304c 100644
--- a/gcc/config/h8300/lib1funcs.asm
+++ b/gcc/config/h8300/lib1funcs.asm
@@ -432,20 +432,22 @@ mpostive2:
 ; denominator in A2/A3
 	.global	___modsi3
 ___modsi3:
+#ifdef __H8300__
 	PUSHP	S2P
 	PUSHP	S0P
 	PUSHP	S1P
-
 	bsr	modnorm
-#ifdef __H8300__
 	bsr	divmodsi4
 	mov	S0,A0
 	mov	S1,A1
+	bra	exitdiv
 #else
+	PUSHP	S2P
+	bsr	modnorm
 	bsr	___udivsi3
 	mov.l	er3,er0
-#endif
 	bra	exitdiv
+#endif
 
 	;; H8/300H and H8S version of ___udivsi3 is defined later in
 	;; the file.
@@ -477,13 +479,15 @@ ___umodsi3:
 
 	.global	___divsi3
 ___divsi3:
+#ifdef __H8300__
 	PUSHP	S2P
 	PUSHP	S0P
 	PUSHP	S1P
 	jsr	divnorm
-#ifdef __H8300__
 	jsr	divmodsi4
 #else
+	PUSHP	S2P
+	jsr	divnorm
 	bsr	___udivsi3
 #endif
 
@@ -508,8 +512,10 @@ exitdiv:
 #endif
 
 reti:
+#ifdef __H8300__
 	POPP	S1P
 	POPP	S0P
+#endif
 	POPP	S2P
 	rts