summaryrefslogtreecommitdiff
path: root/sysdeps/hppa/lshift.S
diff options
context:
space:
mode:
authorSamuel Thibault <samuel.thibault@ens-lyon.org>2016-08-20 19:50:45 +0200
committerSamuel Thibault <samuel.thibault@ens-lyon.org>2016-08-20 19:50:45 +0200
commit4dd9e35bfd35d3138bc44169baba098005bad51e (patch)
treea4939c43a9c3fe00eb27f023e14acc5e1fe8808c /sysdeps/hppa/lshift.S
parentbd42a4599d1b6f77bcfe1e4f67b7cbd9e1cb2dfd (diff)
parentf76453c31593957fec1a99b986bfa5506618b79c (diff)
Merge commit 'refs/top-bases/t/bigmem' into t/bigmem
Diffstat (limited to 'sysdeps/hppa/lshift.S')
-rw-r--r--sysdeps/hppa/lshift.S65
1 files changed, 65 insertions, 0 deletions
diff --git a/sysdeps/hppa/lshift.S b/sysdeps/hppa/lshift.S
new file mode 100644
index 0000000000..11292dfe2c
--- /dev/null
+++ b/sysdeps/hppa/lshift.S
@@ -0,0 +1,65 @@
+;! HP-PA __mpn_lshift --
+
+;! Copyright (C) 1992-2015 Free Software Foundation, Inc.
+
+;! This file is part of the GNU MP Library.
+
+;! The GNU MP 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 MP 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 MP Library. If not, see
+;! <http://www.gnu.org/licenses/>.
+
+
+;! INPUT PARAMETERS
+;! res_ptr gr26
+;! s_ptr gr25
+;! size gr24
+;! cnt gr23
+
+ .text
+ .export __mpn_lshift
+__mpn_lshift:
+ .proc
+ .callinfo frame=64,no_calls
+ .entry
+
+ sh2add %r24,%r25,%r25
+ sh2add %r24,%r26,%r26
+ ldws,mb -4(%r25),%r22
+ subi 32,%r23,%r1
+ mtsar %r1
+ addib,= -1,%r24,L$0004
+ vshd %r0,%r22,%r28 ;! compute carry out limb
+ ldws,mb -4(%r25),%r29
+ addib,= -1,%r24,L$0002
+ vshd %r22,%r29,%r20
+
+L$loop: ldws,mb -4(%r25),%r22
+ stws,mb %r20,-4(%r26)
+ addib,= -1,%r24,L$0003
+ vshd %r29,%r22,%r20
+ ldws,mb -4(%r25),%r29
+ stws,mb %r20,-4(%r26)
+ addib,<> -1,%r24,L$loop
+ vshd %r22,%r29,%r20
+
+L$0002: stws,mb %r20,-4(%r26)
+ vshd %r29,%r0,%r20
+ bv 0(%r2)
+ stw %r20,-4(%r26)
+L$0003: stws,mb %r20,-4(%r26)
+L$0004: vshd %r22,%r0,%r20
+ bv 0(%r2)
+ stw %r20,-4(%r26)
+
+ .exit
+ .procend