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d0d493b417
2007-08-12 Paolo Bonzini <bonzini@gnu.org> * lightning/i386/core-i386.h: Improve encoding of set* instructions. * lightning/i386/core-64.h: Fix jit_bra_l. * tests/sete.c: New. * tests/sete.ok: New. git-archimport-id: bonzini@gnu.org--2004b/lightning--stable--1.2--patch-56 git-archimport-id: bonzini@gnu.org--2004b/lightning--stable--1.2--patch-60
67 lines
2.1 KiB
C
67 lines
2.1 KiB
C
/******************************** -*- C -*- ****************************
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*
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* Sample call for using arguments in GNU lightning
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*
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***********************************************************************/
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/***********************************************************************
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*
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* Copyright 2000 Free Software Foundation, Inc.
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* Written by Paolo Bonzini.
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*
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* This file is part of GNU lightning.
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*
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* GNU lightning is free software; you can redistribute it and/or modify it
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* under the terms of the GNU Lesser General Public License as published
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* by the Free Software Foundation; either version 3, or (at your option)
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* any later version.
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*
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* GNU lightning is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
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* License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with GNU lightning; see the file COPYING.LESSER; if not, write to the
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* Free Software Foundation, 51 Franklin Street, Fifth Floor, Boston,
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* MA 02110-1301, USA.
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*
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***********************************************************************/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <stdio.h>
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#include "lightning.h"
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static char codeBuffer[1024];
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typedef int (*pifii)(int, int); /* Pointer to Int Function of Int, Int */
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int main()
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{
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pifii myFunction= (pifii) (jit_set_ip(codeBuffer).iptr);
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int arg; /* offset of the argument */
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jit_leaf(2);
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arg = jit_arg_i();
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jit_getarg_i(JIT_R0, arg);
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arg = jit_arg_i();
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jit_getarg_i(JIT_R1, arg);
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jit_eqr_i(JIT_V0, JIT_R0, JIT_R1);
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jit_movr_i(JIT_RET, JIT_V0);
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jit_ret();
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jit_flush_code(codeBuffer, jit_get_ip().ptr);
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/* call the generated code, passing its size as argument */
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#ifdef LIGHTNING_DISASSEMBLE
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disassemble(stderr, codeBuffer, jit_get_ip().ptr);
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#endif
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#ifndef LIGHTNING_CROSS
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printf("%d == %d? %s\n", 5, 4, myFunction(5, 4) ? "yes" : "no");
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printf("%d == %d? %s\n", 5, 5, myFunction(5, 5) ? "yes" : "no");
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#endif
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return 0;
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}
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