1 files changed, 56 insertions, 0 deletions
diff --git a/sysdeps/powerpc/powerpc32/addmul_1.S b/sysdeps/powerpc/powerpc32/addmul_1.S
new file mode 100644
index 0000000000..98fad2b8e2
--- /dev/null
+++ b/sysdeps/powerpc/powerpc32/addmul_1.S
@@ -0,0 +1,56 @@
+/* Multiply a limb vector by a single limb, for PowerPC.
+   Copyright (C) 1993-1995, 1997, 1999, 2000 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#include <sysdep.h>
+#include <bp-sym.h>
+#include <bp-asm.h>
+
+/* mp_limb_t mpn_addmul_1 (mp_ptr res_ptr, mp_srcptr s1_ptr,
+                           mp_size_t s1_size, mp_limb_t s2_limb)
+   Calculate res+s1*s2 and put result back in res; return carry.  */
+ENTRY (BP_SYM (__mpn_addmul_1))
+#if __BOUNDED_POINTERS__
+	slwi r10,r5,2		/* convert limbs to bytes */
+	CHECK_BOUNDS_BOTH_WIDE (r3, r8, r9, r10)
+	CHECK_BOUNDS_BOTH_WIDE (r4, r8, r9, r10)
+#endif
+	mtctr	r5
+
+	lwz	r0,0(r4)
+	mullw	r7,r0,r6
+	mulhwu	r10,r0,r6
+	lwz     r9,0(r3)
+	addc	r8,r7,r9
+	addi	r3,r3,-4		/* adjust res_ptr */
+	bdz	L(1)
+
+L(0):	lwzu	r0,4(r4)
+	stwu	r8,4(r3)
+	mullw	r8,r0,r6
+	adde	r7,r8,r10
+	mulhwu	r10,r0,r6
+	lwz     r9,4(r3)
+	addze   r10,r10
+	addc    r8,r7,r9
+	bdnz	L(0)
+
+L(1):	stw	r8,4(r3)
+	addze	r3,r10
+	blr
+END (BP_SYM (__mpn_addmul_1))