114 lines
2.9 KiB
ArmAsm
114 lines
2.9 KiB
ArmAsm
# _ashlsi3.S for Lattice Mico32
|
|
# Contributed by Jon Beniston <jon@beniston.com> and Richard Henderson.
|
|
#
|
|
# Copyright (C) 2009-2015 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 3, or (at your option) any
|
|
# later version.
|
|
#
|
|
# 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.
|
|
#
|
|
# Under Section 7 of GPL version 3, you are granted additional
|
|
# permissions described in the GCC Runtime Library Exception, version
|
|
# 3.1, as published by the Free Software Foundation.
|
|
#
|
|
# You should have received a copy of the GNU General Public License and
|
|
# a copy of the GCC Runtime Library Exception along with this program;
|
|
# see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
|
|
# <http://www.gnu.org/licenses/>.
|
|
#
|
|
|
|
/* Arithmetic left shift. */
|
|
|
|
.text
|
|
|
|
.global __ashlsi3
|
|
.type __ashlsi3,@function
|
|
|
|
.align 4
|
|
__ashlsi3:
|
|
/* Only use 5 LSBs, as that's all the h/w shifter uses. */
|
|
andi r2, r2, 0x1f
|
|
/* Get address of offset into unrolled shift loop to jump to. */
|
|
#ifdef __PIC__
|
|
lw r3, (gp+got(__ashlsi3_0))
|
|
#else
|
|
mvhi r3, hi(__ashlsi3_0)
|
|
ori r3, r3, lo(__ashlsi3_0)
|
|
#endif
|
|
add r2, r2, r2
|
|
add r2, r2, r2
|
|
sub r3, r3, r2
|
|
b r3
|
|
|
|
__ashlsi3_31:
|
|
add r1, r1, r1
|
|
__ashlsi3_30:
|
|
add r1, r1, r1
|
|
__ashlsi3_29:
|
|
add r1, r1, r1
|
|
__ashlsi3_28:
|
|
add r1, r1, r1
|
|
__ashlsi3_27:
|
|
add r1, r1, r1
|
|
__ashlsi3_26:
|
|
add r1, r1, r1
|
|
__ashlsi3_25:
|
|
add r1, r1, r1
|
|
__ashlsi3_24:
|
|
add r1, r1, r1
|
|
__ashlsi3_23:
|
|
add r1, r1, r1
|
|
__ashlsi3_22:
|
|
add r1, r1, r1
|
|
__ashlsi3_21:
|
|
add r1, r1, r1
|
|
__ashlsi3_20:
|
|
add r1, r1, r1
|
|
__ashlsi3_19:
|
|
add r1, r1, r1
|
|
__ashlsi3_18:
|
|
add r1, r1, r1
|
|
__ashlsi3_17:
|
|
add r1, r1, r1
|
|
__ashlsi3_16:
|
|
add r1, r1, r1
|
|
__ashlsi3_15:
|
|
add r1, r1, r1
|
|
__ashlsi3_14:
|
|
add r1, r1, r1
|
|
__ashlsi3_13:
|
|
add r1, r1, r1
|
|
__ashlsi3_12:
|
|
add r1, r1, r1
|
|
__ashlsi3_11:
|
|
add r1, r1, r1
|
|
__ashlsi3_10:
|
|
add r1, r1, r1
|
|
__ashlsi3_9:
|
|
add r1, r1, r1
|
|
__ashlsi3_8:
|
|
add r1, r1, r1
|
|
__ashlsi3_7:
|
|
add r1, r1, r1
|
|
__ashlsi3_6:
|
|
add r1, r1, r1
|
|
__ashlsi3_5:
|
|
add r1, r1, r1
|
|
__ashlsi3_4:
|
|
add r1, r1, r1
|
|
__ashlsi3_3:
|
|
add r1, r1, r1
|
|
__ashlsi3_2:
|
|
add r1, r1, r1
|
|
__ashlsi3_1:
|
|
add r1, r1, r1
|
|
__ashlsi3_0:
|
|
ret
|
|
|
|
|