From a89a14ef5da44684a16b204e7a70460cc8c4922a Mon Sep 17 00:00:00 2001
From: Thomas Voss <mail@thomasvoss.com>
Date: Fri, 21 Jun 2024 23:36:36 +0200
Subject: Basic constant folding implementation

---
 vendor/gmp-6.3.0/mpn/pa32/lshift.asm | 75 ++++++++++++++++++++++++++++++++++++
 1 file changed, 75 insertions(+)
 create mode 100644 vendor/gmp-6.3.0/mpn/pa32/lshift.asm

(limited to 'vendor/gmp-6.3.0/mpn/pa32/lshift.asm')

diff --git a/vendor/gmp-6.3.0/mpn/pa32/lshift.asm b/vendor/gmp-6.3.0/mpn/pa32/lshift.asm
new file mode 100644
index 0000000..5ea497c
--- /dev/null
+++ b/vendor/gmp-6.3.0/mpn/pa32/lshift.asm
@@ -0,0 +1,75 @@
+dnl  HP-PA  mpn_lshift -- Shift a number left.
+
+dnl  Copyright 1992, 1994, 2000-2002 Free Software Foundation, Inc.
+
+dnl  This file is part of the GNU MP Library.
+dnl
+dnl  The GNU MP Library is free software; you can redistribute it and/or modify
+dnl  it under the terms of either:
+dnl
+dnl    * the GNU Lesser General Public License as published by the Free
+dnl      Software Foundation; either version 3 of the License, or (at your
+dnl      option) any later version.
+dnl
+dnl  or
+dnl
+dnl    * the GNU General Public License as published by the Free Software
+dnl      Foundation; either version 2 of the License, or (at your option) any
+dnl      later version.
+dnl
+dnl  or both in parallel, as here.
+dnl
+dnl  The GNU MP Library is distributed in the hope that it will be useful, but
+dnl  WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+dnl  or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+dnl  for more details.
+dnl
+dnl  You should have received copies of the GNU General Public License and the
+dnl  GNU Lesser General Public License along with the GNU MP Library.  If not,
+dnl  see https://www.gnu.org/licenses/.
+
+include(`../config.m4')
+
+C INPUT PARAMETERS
+C res_ptr	gr26
+C s_ptr		gr25
+C size		gr24
+C cnt		gr23
+
+ASM_START()
+PROLOGUE(mpn_lshift)
+	sh2add		%r24,%r25,%r25
+	sh2add		%r24,%r26,%r26
+	ldws,mb		-4(0,%r25),%r22
+	subi		32,%r23,%r1
+	mtsar		%r1
+	addib,=		-1,%r24,L(0004)
+	vshd		%r0,%r22,%r28		C compute carry out limb
+	ldws,mb		-4(0,%r25),%r29
+	addib,=		-1,%r24,L(0002)
+	vshd		%r22,%r29,%r20
+
+LDEF(loop)
+	ldws,mb		-4(0,%r25),%r22
+	stws,mb		%r20,-4(0,%r26)
+	addib,=		-1,%r24,L(0003)
+	vshd		%r29,%r22,%r20
+	ldws,mb		-4(0,%r25),%r29
+	stws,mb		%r20,-4(0,%r26)
+	addib,<>	-1,%r24,L(loop)
+	vshd		%r22,%r29,%r20
+
+LDEF(0002)
+	stws,mb		%r20,-4(0,%r26)
+	vshd		%r29,%r0,%r20
+	bv		0(%r2)
+	stw		%r20,-4(0,%r26)
+
+LDEF(0003)
+	stws,mb		%r20,-4(0,%r26)
+
+LDEF(0004)
+	vshd		%r22,%r0,%r20
+	bv		0(%r2)
+	stw		%r20,-4(0,%r26)
+EPILOGUE()
-- 
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