From 3fd797268f53e596aa9aac69f030a4b98ad2ff12 Mon Sep 17 00:00:00 2001
From: pk <pk@NetBSD.org>
Date: Tue, 26 Nov 2002 14:30:53 +0000
Subject: [PATCH] Add a shared library containing sparc version 8 specific
 multiply, divide and remainder functions (i.e. .[u]mul, .[u]div, .[u]rem).

---
 lib/libarch/Makefile               |  5 +-
 lib/libarch/sparc/Makefile.inc     |  6 ++
 lib/libarch/sparc/v8/Makefile      |  9 +++
 lib/libarch/sparc/v8/shlib_version |  5 ++
 lib/libarch/sparc/v8/sparc_v8.S    | 94 ++++++++++++++++++++++++++++++
 5 files changed, 117 insertions(+), 2 deletions(-)
 create mode 100644 lib/libarch/sparc/Makefile.inc
 create mode 100644 lib/libarch/sparc/v8/Makefile
 create mode 100644 lib/libarch/sparc/v8/shlib_version
 create mode 100644 lib/libarch/sparc/v8/sparc_v8.S

diff --git a/lib/libarch/Makefile b/lib/libarch/Makefile
index 5ec943412f39..5a718ea64693 100644
--- a/lib/libarch/Makefile
+++ b/lib/libarch/Makefile
@@ -1,7 +1,7 @@
-#	$NetBSD: Makefile,v 1.19 2002/07/06 10:19:08 fvdl Exp $
+#	$NetBSD: Makefile,v 1.20 2002/11/26 14:30:53 pk Exp $
 
 # These should always be a MACHINE_CPU value
-ARCHDIRS= alpha arm i386 m68k x86_64
+ARCHDIRS= alpha arm i386 m68k sparc x86_64
 
 .for arch in ${ARCHDIRS}
 .include "${.CURDIR}/${arch}/Makefile.inc"
@@ -22,3 +22,4 @@ SHLIB_VERSION_FILE= ${.CURDIR}/${LIB}/shlib_version
 # ... otherwise just build the manpages
 .include <bsd.man.mk>
 .endif
+.include <bsd.subdir.mk>
diff --git a/lib/libarch/sparc/Makefile.inc b/lib/libarch/sparc/Makefile.inc
new file mode 100644
index 000000000000..6c0b8c5f9d00
--- /dev/null
+++ b/lib/libarch/sparc/Makefile.inc
@@ -0,0 +1,6 @@
+#	$NetBSD: Makefile.inc,v 1.1 2002/11/26 14:30:53 pk Exp $
+
+.if (${MACHINE_ARCH} == "sparc")
+SUBDIR=sparc/v8
+.endif
+
diff --git a/lib/libarch/sparc/v8/Makefile b/lib/libarch/sparc/v8/Makefile
new file mode 100644
index 000000000000..a181ee771d8b
--- /dev/null
+++ b/lib/libarch/sparc/v8/Makefile
@@ -0,0 +1,9 @@
+#	$NetBSD: Makefile,v 1.1 2002/11/26 14:30:54 pk Exp $
+
+NOLINT=		# defined
+USE_SHLIBDIR=	yes
+LIB=		sparc_v8
+
+SRCS=	sparc_v8.S
+
+.include <bsd.lib.mk>
diff --git a/lib/libarch/sparc/v8/shlib_version b/lib/libarch/sparc/v8/shlib_version
new file mode 100644
index 000000000000..c601618882ae
--- /dev/null
+++ b/lib/libarch/sparc/v8/shlib_version
@@ -0,0 +1,5 @@
+#	$NetBSD: shlib_version,v 1.1 2002/11/26 14:30:54 pk Exp $
+#	Remember to update distrib/sets/lists/base/md.i386 when changing
+#
+major=0
+minor=0
diff --git a/lib/libarch/sparc/v8/sparc_v8.S b/lib/libarch/sparc/v8/sparc_v8.S
new file mode 100644
index 000000000000..12911e87b825
--- /dev/null
+++ b/lib/libarch/sparc/v8/sparc_v8.S
@@ -0,0 +1,94 @@
+/*
+ * GCC generated output for sparc v8 mul/div/rem operations.
+ * Included in the sparc_v8.so shared library for use on sparc v8
+ * machines instead of the libc.so versions.
+ */
+	.file	"sparc_v8.S"
+.section	".text"
+
+/*--- .umul ---*/
+	.align 4
+	.global .umul
+	.type	 .umul,@function
+	.proc	016
+
+.umul:
+	!#PROLOGUE# 0
+	!#PROLOGUE# 1
+	retl
+	 umul	%o0, %o1, %o0
+.LLfe1:
+	.size	 .umul,.LLfe1-.umul
+
+/*--- .mul ---*/
+	.align 4
+	.global .mul
+	.type	 .mul,@function
+	.proc	04
+.mul:
+	!#PROLOGUE# 0
+	!#PROLOGUE# 1
+	retl
+	 smul	%o0, %o1, %o0
+.LLfe2:
+	.size	 .mul,.LLfe2-.mul
+
+/*--- .udiv ---*/
+	.align 4
+	.global .udiv
+	.type	 .udiv,@function
+	.proc	016
+.udiv:
+	wr	%g0, 0, %y
+	nop; nop; nop
+	retl
+	 udiv	%o0, %o1, %o0
+.LLfe3:
+	.size	 .udiv,.LLfe3-.udiv
+
+/*--- .div ---*/
+	.align 4
+	.global .div
+	.type	 .div,@function
+	.proc	04
+
+.div:
+	sra	%o0, 31, %g2
+	wr	%g2, 0, %y
+	nop; nop; nop
+	retl
+	 sdiv	%o0, %o1, %o0
+.LLfe4:
+	.size	 .div,.LLfe4-.div
+
+/*--- .urem ---*/
+	.align 4
+	.global .urem
+	.type	 .urem,@function
+	.proc	016
+.urem:
+	wr	%g0, %g0, %y
+	nop; nop; nop
+	udiv	%o0, %o1, %g2
+	smul	%g2, %o1, %g2
+	retl
+	 sub	%o0, %g2, %o0
+.LLfe5:
+	.size	 .urem,.LLfe5-.urem
+
+/*--- .rem ---*/
+	.align 4
+	.global .rem
+	.type	 .rem,@function
+	.proc	04
+.rem:
+	sra	%o0, 31, %g3
+	wr	%g3, 0, %y
+	nop; nop; nop
+	sdiv	%o0, %o1, %g2
+	smul	%g2, %o1, %g2
+	retl
+	 sub	%o0, %g2, %o0
+.LLfe6:
+	.size	 .rem,.LLfe6-.rem
+	!.ident	"GCC: (GNU) 2.95.3 20010315 (release) (NetBSD nb3)"