From 554fd8c5195424bdbcabf5de30fdc183aba391bd Mon Sep 17 00:00:00 2001 From: upstream source tree Date: Sun, 15 Mar 2015 20:14:05 -0400 Subject: obtained gcc-4.6.4.tar.bz2 from upstream website; verified gcc-4.6.4.tar.bz2.sig; imported gcc-4.6.4 source tree from verified upstream tarball. downloading a git-generated archive based on the 'upstream' tag should provide you with a source tree that is binary identical to the one extracted from the above tarball. if you have obtained the source via the command 'git clone', however, do note that line-endings of files in your working directory might differ from line-endings of the respective files in the upstream repository. --- libgcc/config/lm32/_ashrsi3.S | 110 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 110 insertions(+) create mode 100644 libgcc/config/lm32/_ashrsi3.S (limited to 'libgcc/config/lm32/_ashrsi3.S') diff --git a/libgcc/config/lm32/_ashrsi3.S b/libgcc/config/lm32/_ashrsi3.S new file mode 100644 index 000000000..393cbeb54 --- /dev/null +++ b/libgcc/config/lm32/_ashrsi3.S @@ -0,0 +1,110 @@ +# _ashrsi3.S for Lattice Mico32 +# Contributed by Jon Beniston and Richard Henderson. +# +# Copyright (C) 2009 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 +# . +# + +/* Arithmetic right shift. */ + + .global __ashrsi3 + .type __ashrsi3,@function + +__ashrsi3: + /* 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(__ashrsi3_0)) +#else + mvhi r3, hi(__ashrsi3_0) + ori r3, r3, lo(__ashrsi3_0) +#endif + add r2, r2, r2 + add r2, r2, r2 + sub r3, r3, r2 + b r3 + +__ashrsi3_31: + sri r1, r1, 1 +__ashrsi3_30: + sri r1, r1, 1 +__ashrsi3_29: + sri r1, r1, 1 +__ashrsi3_28: + sri r1, r1, 1 +__ashrsi3_27: + sri r1, r1, 1 +__ashrsi3_26: + sri r1, r1, 1 +__ashrsi3_25: + sri r1, r1, 1 +__ashrsi3_24: + sri r1, r1, 1 +__ashrsi3_23: + sri r1, r1, 1 +__ashrsi3_22: + sri r1, r1, 1 +__ashrsi3_21: + sri r1, r1, 1 +__ashrsi3_20: + sri r1, r1, 1 +__ashrsi3_19: + sri r1, r1, 1 +__ashrsi3_18: + sri r1, r1, 1 +__ashrsi3_17: + sri r1, r1, 1 +__ashrsi3_16: + sri r1, r1, 1 +__ashrsi3_15: + sri r1, r1, 1 +__ashrsi3_14: + sri r1, r1, 1 +__ashrsi3_13: + sri r1, r1, 1 +__ashrsi3_12: + sri r1, r1, 1 +__ashrsi3_11: + sri r1, r1, 1 +__ashrsi3_10: + sri r1, r1, 1 +__ashrsi3_9: + sri r1, r1, 1 +__ashrsi3_8: + sri r1, r1, 1 +__ashrsi3_7: + sri r1, r1, 1 +__ashrsi3_6: + sri r1, r1, 1 +__ashrsi3_5: + sri r1, r1, 1 +__ashrsi3_4: + sri r1, r1, 1 +__ashrsi3_3: + sri r1, r1, 1 +__ashrsi3_2: + sri r1, r1, 1 +__ashrsi3_1: + sri r1, r1, 1 +__ashrsi3_0: + ret + \ No newline at end of file -- cgit v1.2.3