1 files changed, 193 insertions, 0 deletions

diff --git a/arch/sh/lib/ashlsi3.S b/arch/sh/lib/ashlsi3.S
new file mode 100644
index 000000000000..bd47e9b403a5
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+++ b/arch/sh/lib/ashlsi3.S
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+/* Copyright (C) 1994, 1995, 1997, 1998, 1999, 2000, 2001, 2002, 2003,
+   2004, 2005, 2006
+   Free Software Foundation, Inc.
+
+This file is free software; you can redistribute it and/or modify it
+under the terms of the GNU General Public License as published by the
+Free Software Foundation; either version 2, or (at your option) any
+later version.
+
+In addition to the permissions in the GNU General Public License, the
+Free Software Foundation gives you unlimited permission to link the
+compiled version of this file into combinations with other programs,
+and to distribute those combinations without any restriction coming
+from the use of this file.  (The General Public License restrictions
+do apply in other respects; for example, they cover modification of
+the file, and distribution when not linked into a combine
+executable.)
+
+This file 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
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program; see the file COPYING.  If not, write to
+the Free Software Foundation, 51 Franklin Street, Fifth Floor,
+Boston, MA 02110-1301, USA.  */
+
+!! libgcc routines for the Renesas / SuperH SH CPUs.
+!! Contributed by Steve Chamberlain.
+!! sac@cygnus.com
+
+!! ashiftrt_r4_x, ___ashrsi3, ___ashlsi3, ___lshrsi3 routines
+!! recoded in assembly by Toshiyasu Morita
+!! tm@netcom.com
+
+/* SH2 optimizations for ___ashrsi3, ___ashlsi3, ___lshrsi3 and
+   ELF local label prefixes by J"orn Rennecke
+   amylaar@cygnus.com  */
+
+!
+! __ashlsi3
+!
+! Entry:
+!
+! r4: Value to shift
+! r5: Shifts
+!
+! Exit:
+!
+! r0: Result
+!
+! Destroys:
+!
+! (none)
+!
+        .global __ashlsi3
+        
+        .align  2
+__ashlsi3:
+        mov     #31,r0
+        and     r0,r5
+        mova    ashlsi3_table,r0
+        mov.b   @(r0,r5),r5
+#ifdef __sh1__
+        add     r5,r0
+        jmp     @r0
+#else
+        braf    r5
+#endif
+        mov     r4,r0
+
+        .align  2
+ashlsi3_table:
+        .byte           ashlsi3_0-ashlsi3_table
+        .byte           ashlsi3_1-ashlsi3_table
+        .byte           ashlsi3_2-ashlsi3_table
+        .byte           ashlsi3_3-ashlsi3_table
+        .byte           ashlsi3_4-ashlsi3_table
+        .byte           ashlsi3_5-ashlsi3_table
+        .byte           ashlsi3_6-ashlsi3_table
+        .byte           ashlsi3_7-ashlsi3_table
+        .byte           ashlsi3_8-ashlsi3_table
+        .byte           ashlsi3_9-ashlsi3_table
+        .byte           ashlsi3_10-ashlsi3_table
+        .byte           ashlsi3_11-ashlsi3_table
+        .byte           ashlsi3_12-ashlsi3_table
+        .byte           ashlsi3_13-ashlsi3_table
+        .byte           ashlsi3_14-ashlsi3_table
+        .byte           ashlsi3_15-ashlsi3_table
+        .byte           ashlsi3_16-ashlsi3_table
+        .byte           ashlsi3_17-ashlsi3_table
+        .byte           ashlsi3_18-ashlsi3_table
+        .byte           ashlsi3_19-ashlsi3_table
+        .byte           ashlsi3_20-ashlsi3_table
+        .byte           ashlsi3_21-ashlsi3_table
+        .byte           ashlsi3_22-ashlsi3_table
+        .byte           ashlsi3_23-ashlsi3_table
+        .byte           ashlsi3_24-ashlsi3_table
+        .byte           ashlsi3_25-ashlsi3_table
+        .byte           ashlsi3_26-ashlsi3_table
+        .byte           ashlsi3_27-ashlsi3_table
+        .byte           ashlsi3_28-ashlsi3_table
+        .byte           ashlsi3_29-ashlsi3_table
+        .byte           ashlsi3_30-ashlsi3_table
+        .byte           ashlsi3_31-ashlsi3_table
+
+ashlsi3_6:
+        shll2   r0
+ashlsi3_4:
+        shll2   r0
+ashlsi3_2:
+        rts
+        shll2   r0
+
+ashlsi3_7:
+        shll2   r0
+ashlsi3_5:
+        shll2   r0
+ashlsi3_3:
+        shll2   r0
+ashlsi3_1:
+        rts
+        shll    r0
+
+ashlsi3_14:
+        shll2   r0
+ashlsi3_12:
+        shll2   r0
+ashlsi3_10:
+        shll2   r0
+ashlsi3_8:
+        rts
+        shll8   r0
+
+ashlsi3_15:
+        shll2   r0
+ashlsi3_13:
+        shll2   r0
+ashlsi3_11:
+        shll2   r0
+ashlsi3_9:
+        shll8   r0
+        rts
+        shll    r0
+
+ashlsi3_22:
+        shll2   r0
+ashlsi3_20:
+        shll2   r0
+ashlsi3_18:
+        shll2   r0
+ashlsi3_16:
+        rts
+        shll16  r0
+
+ashlsi3_23:
+        shll2   r0
+ashlsi3_21:
+        shll2   r0
+ashlsi3_19:
+        shll2   r0
+ashlsi3_17:
+        shll16  r0
+        rts
+        shll    r0
+
+ashlsi3_30:
+        shll2   r0
+ashlsi3_28:
+        shll2   r0
+ashlsi3_26:
+        shll2   r0
+ashlsi3_24:
+        shll16  r0
+        rts
+        shll8   r0
+
+ashlsi3_31:
+        shll2   r0
+ashlsi3_29:
+        shll2   r0
+ashlsi3_27:
+        shll2   r0
+ashlsi3_25:
+        shll16  r0
+        shll8   r0
+        rts
+        shll    r0
+
+ashlsi3_0:
+        rts
+        nop