ia64_cpuid.s

来自「最著名最快的分子模拟软件」· S 代码 · 共 179 行

/*
 * $Id: ia64_cpuid.S,v 1.1 2005/02/09 09:09:34 lindahl Exp $
 *
 * Gromacs 4.0                         Copyright (c) 1991-2003
 * David van der Spoel, Erik Lindahl, University of Groningen.
 *
 * This program 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 2
 * of the License, or (at your option) any later version.
 *
 * To help us fund GROMACS development, we humbly ask that you cite
 * the research papers on the package. Check out http://www.gromacs.org
 * 
 * And Hey:
 * Gnomes, ROck Monsters And Chili Sauce
 */
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif



#define	zero		r0	/* permanent zero					*/
#define	gp		r1	/* global data pointer				*/

#define	at0		r2	/* temp, target of addi				*/
#define	at1		r3	/* temp, target of addi				*/

#define	S0		r4	/* callee saves register			*/
#define	S1		r5	/* callee saves register			*/
#define	S2		r6	/* callee saves register			*/
#define	S3		r7	/* callee saves register			*/

#define	v0		r8	/* 1st fixed point return value/ptr		*/
#define	v1		r9	/* 2nd fixed return value/ptr			*/
#define	v2		r10	/* 3rd fixed return value/ptr			*/
#define	v3		r11	/* 4th fixed return value/ptr			*/

#define	sp		r12	/* memory stack pointer				*/
#define	tp		r13	/* thread pointer				*/

#define	t0		r14	/* caller saves register			*/
#define	t1		r15	/* caller saves register			*/
#define	t2		r16	/* caller saves register			*/
#define	t3		r17	/* caller saves register			*/
#define	t4		r18	/* caller saves register			*/
#define	t5		r19	/* caller saves register			*/

#define	t6		r20	/* caller saves register			*/
#define	t7		r21	/* caller saves register			*/
#define	t8		r22	/* caller saves register			*/
#define	t9		r23	/* caller saves register			*/
#define	t10		r24	/* caller saves register			*/
#define	t11		r25	/* caller saves register			*/
#define	t12		r26	/* caller saves register			*/
#define	t13		r27	/* caller saves register			*/
#define	t14		r28	/* caller saves register			*/
#define	t15		r29	/* caller saves register			*/
#define	t16		r30	/* caller saves register			*/
#define	t17		r31	/* caller saves register			*/


#define	fZero	f0	/* permanent floating point 0.0		*/
#define	fOne	f1	/* permanent floating point 1.0		*/

#define	fs0		f2	/* callee saves register			*/
#define	fs1		f3	/* callee saves register			*/
#define	fs2		f4	/* callee saves register			*/
#define	fs3		f5	/* callee saves register			*/
	
#define	ft0		f6	/* caller saves register			*/
#define	ft1		f7	/* caller saves register			*/

#define	fa0		f8	/* argument register 0				*/
#define	fa1		f9	/* argument register 1				*/
#define	fa2		f10	/* argument register 2				*/
#define	fa3		f11	/* argument register 3				*/
#define	fa4		f12	/* argument register 4				*/
#define	fa5		f13	/* argument register 5				*/
#define	fa6		f14	/* argument register 6				*/
#define	fa7		f15	/* argument register 7				*/

#define	fv0		f8	/* return value register 0			*/
#define	fv1		f9	/* return value register 1			*/
#define	fv2		f10	/* return value register 2			*/
#define	fv3		f11	/* return value register 3			*/
#define	fv4		f12	/* return value register 4			*/
#define	fv5		f13	/* return value register 5			*/
#define	fv6		f14	/* return value register 6			*/
#define	fv7		f15	/* return value register 7			*/

#define	fs4		f16	/* callee saves register			*/
#define	fs5		f17	/* callee saves register			*/
#define	fs6		f18	/* callee saves register			*/
#define	fs7		f19	/* callee saves register			*/
#define	fs8		f20	/* callee saves register			*/
#define	fs9		f21	/* callee saves register			*/
#define	fs10	f22	/* callee saves register			*/
#define	fs11	f23	/* callee saves register			*/

#define	fs12	f24	/* callee saves register			*/
#define	fs13	f25	/* callee saves register			*/
#define	fs14	f26	/* callee saves register			*/
#define	fs15	f27	/* callee saves register			*/
#define	fs16	f28	/* callee saves register			*/
#define	fs17	f29	/* callee saves register			*/
#define	fs18	f30	/* callee saves register			*/
#define	fs19	f31	/* callee saves register			*/


#define	pone	p0	/* permanent one predicate			*/
#define	pTrue	p0	/* permanent one predicate			*/

#define	ps0		p1	/* callee saves predicate			*/
#define	ps1		p2	/* callee saves predicate			*/
#define	ps2		p3	/* callee saves predicate			*/
#define	ps3		p4	/* callee saves predicate			*/
#define	ps4		p5	/* callee saves predicate			*/

#define	pt0		p6	/* caller saves predicate			*/
#define	pt1		p7	/* caller saves predicate			*/
#define	pt2		p8	/* caller saves predicate			*/
#define	pt3		p9	/* caller saves predicate			*/
#define	pt4		p10	/* caller saves predicate			*/
#define	pt5		p11	/* caller saves predicate			*/
#define	pt6		p12	/* caller saves predicate			*/
#define	pt7		p13	/* caller saves predicate			*/
#define	pt8		p14	/* caller saves predicate			*/
#define	pt9		p15	/* caller saves predicate			*/


#define	rb		b0	/* return link						*/

#define	bs0		b1	/* callee saves branch register		*/
#define	bs1		b2	/* callee saves branch register		*/
#define	bs2		b3	/* callee saves branch register		*/
#define	bs3		b4	/* callee saves branch register		*/
#define	bs4		b5	/* callee saves branch register		*/
	
#define	bt0		b6	/* caller saves branch register		*/
#define	bt1		b7	/* caller saves branch register		*/
	
		
.text

#define	_NINPUTS	1
#define	_NLOCALS	0
#define	_NOUTPUT	0


	.regstk	1, 0, 0, 0

// The mutex call parameter isnt used at all in assembly...

	.global ia64_cpuid
	.proc	ia64_cpuid
	.align	32

ia64_cpuid:	

	{	.mfi
		alloc			at0 = ar.pfs, 1,0,0,0
		nop			0x0
		nop			0x0
	}
	;; 
	{	.mfb
		mov                     r8 = cpuid[in0]
		nop			0x0
		br.ret.sptk.few		rp
	}
	;;

	.endp	 ia64_cpuid