strto64.h

/* Copyright (c) 2025  Georg-Johann Lay
   All rights reserved.
 
   Redistribution and use in source and binary forms, with or without
   modification, are permitted provided that the following conditions are met:
 
   * Redistributions of source code must retain the above copyright
     notice, this list of conditions and the following disclaimer.
   * Redistributions in binary form must reproduce the above copyright
     notice, this list of conditions and the following disclaimer in
     the documentation and/or other materials provided with the
     distribution.
   * Neither the name of the copyright holders nor the names of
     contributors may be used to endorse or promote products derived
     from this software without specific prior written permission.
 
   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
   AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
   LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
   CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
   SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
   INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
   CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
   ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
   POSSIBILITY OF SUCH DAMAGE.  */
 
;;; Return the result in RET[]
#define RET0    r18
#define RET1    r19
#define RET2    r20
#define RET3    r21
#define RET4    r22
#define RET5    r23
#define RET6    r24
#define RET7    r25
 
;;; During madd, the following regs contain porcelaine: R22, R23, R26...R29.
 
;;; Expand the result in A[]
#define A7      r17
#define A6      r16
#define A5      r15
#define A4      r14
#define A3      r13
#define A2      r12
#define A1      r19
#define A0      r18
 
;;; Used in __strto64.madd
 
#define Tmp     r20
 
#define B7      r25
#define B6      r24
#define B5      r11
#define B4      r10
#define B3      r9
#define B2      r8
#define B1      r1
#define B0      r0