39 lines
1.4 KiB
C
39 lines
1.4 KiB
C
/******************************************************************************
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*
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* l o w s t a c k - M I P S 3 2 . c
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*
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* Copyright © 1997-1999 Erick Gallesio - I3S-CNRS/ESSI <eg@unice.fr>
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*
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*
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* Permission to use, copy, modify, distribute,and license this
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* software and its documentation for any purpose is hereby granted,
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* provided that existing copyright notices are retained in all
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* copies and that this notice is included verbatim in any
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* distributions. No written agreement, license, or royalty fee is
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* required for any of the authorized uses.
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* This software is provided ``AS IS'' without express or implied
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* warranty.
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*
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*
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* Author: Erick Gallesio [eg@unice.fr]
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* Creation date: 29-Sep-1997 15:10
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* Last file update: 3-Sep-1999 21:06 (eg)
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*
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******************************************************************************/
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/*
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Doubles are 2 words aligned on even boundaries.
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If the first two args are floats or doubles, they are also passed in $f12
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and $f14. But varargs functions will expect them in the integer registers
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and we can't tell whether the function is varargs so we pass them both ways.
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*/
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extern double stk_double_register1, stk_double_register2;
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void stk_copy_float_registers(void)
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{
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/* Values which must be passed as regsister are kept in globals */
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register double f0 /* asm ("$f12") */ = stk_double_register1;
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register double f1 /* asm ("$f14") */ = stk_double_register2;
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}
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