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-rw-r--r--grub-core/lib/libgcrypt/mpi/sparc32/mpih-lshift.S97
1 files changed, 97 insertions, 0 deletions
diff --git a/grub-core/lib/libgcrypt/mpi/sparc32/mpih-lshift.S b/grub-core/lib/libgcrypt/mpi/sparc32/mpih-lshift.S
new file mode 100644
index 0000000..3422ab0
--- /dev/null
+++ b/grub-core/lib/libgcrypt/mpi/sparc32/mpih-lshift.S
@@ -0,0 +1,97 @@
+/* sparc lshift
+ *
+ * Copyright (C) 1995, 1996, 1998,
+ * 2001, 2002 Free Software Foundation, Inc.
+ *
+ * This file is part of Libgcrypt.
+ *
+ * Libgcrypt 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.
+ *
+ * Libgcrypt 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 this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
+ */
+
+
+! INPUT PARAMETERS
+! res_ptr %o0
+! src_ptr %o1
+! size %o2
+! cnt %o3
+
+#include "sysdep.h"
+
+ .text
+ .align 4
+ .global C_SYMBOL_NAME(_gcry_mpih_lshift)
+C_SYMBOL_NAME(_gcry_mpih_lshift):
+ sll %o2,2,%g1
+ add %o1,%g1,%o1 ! make %o1 point at end of src
+ ld [%o1-4],%g2 ! load first limb
+ sub %g0,%o3,%o5 ! negate shift count
+ add %o0,%g1,%o0 ! make %o0 point at end of res
+ add %o2,-1,%o2
+ andcc %o2,4-1,%g4 ! number of limbs in first loop
+ srl %g2,%o5,%g1 ! compute function result
+ be L0 ! if multiple of 4 limbs, skip first loop
+ st %g1,[%sp+80]
+
+ sub %o2,%g4,%o2 ! adjust count for main loop
+
+Loop0: ld [%o1-8],%g3
+ add %o0,-4,%o0
+ add %o1,-4,%o1
+ addcc %g4,-1,%g4
+ sll %g2,%o3,%o4
+ srl %g3,%o5,%g1
+ mov %g3,%g2
+ or %o4,%g1,%o4
+ bne Loop0
+ st %o4,[%o0+0]
+
+L0: tst %o2
+ be Lend
+ nop
+
+Loop: ld [%o1-8],%g3
+ add %o0,-16,%o0
+ addcc %o2,-4,%o2
+ sll %g2,%o3,%o4
+ srl %g3,%o5,%g1
+
+ ld [%o1-12],%g2
+ sll %g3,%o3,%g4
+ or %o4,%g1,%o4
+ st %o4,[%o0+12]
+ srl %g2,%o5,%g1
+
+ ld [%o1-16],%g3
+ sll %g2,%o3,%o4
+ or %g4,%g1,%g4
+ st %g4,[%o0+8]
+ srl %g3,%o5,%g1
+
+ ld [%o1-20],%g2
+ sll %g3,%o3,%g4
+ or %o4,%g1,%o4
+ st %o4,[%o0+4]
+ srl %g2,%o5,%g1
+
+ add %o1,-16,%o1
+ or %g4,%g1,%g4
+ bne Loop
+ st %g4,[%o0+0]
+
+Lend: sll %g2,%o3,%g2
+ st %g2,[%o0-4]
+ retl
+ ld [%sp+80],%o0
+