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As a prerequisite for cleaning up some other include issues, all the include files in inc/ should have an include guard. All the xxxdefs.h were created with them, but most older files were not.
141 lines
3.2 KiB
C
141 lines
3.2 KiB
C
#ifndef ARITH2_H
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#define ARITH2_H 1
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/* $Id: arith2.h,v 1.2 1999/01/03 02:05:52 sybalsky Exp $ (C) Copyright Venue, All Rights Reserved */
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/************************************************************************/
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/* */
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/* (C) Copyright 1989-92 Venue. All Rights Reserved. */
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/* Manufactured in the United States of America. */
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/* */
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/************************************************************************/
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/************************************************************************/
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/* */
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/* Take care of results for inlined arithmetic cases. */
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/* xxx_RESULT does overflow checking and boxing. */
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/* */
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/* */
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/************************************************************************/
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#ifdef ARITHINLINE
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#ifdef GCC386
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/* Inline defines for arith on GCC386 machines */
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extern inline const int plus32 (int arg1, int arg2)
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{
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asm(" addl %2,%0 \n\
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jo plus_err": "=r" (arg2): "0" (arg2), "r" (arg1));
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return arg2;
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}
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#define PLUS_RESULT \
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INLINE_ARITH_SWITCH(result,"plus_ret"); \
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asm("plus_err:"); \
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INLINE_ERROR_EXIT(tos,"plus_ret")
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extern inline const int iplus32 (int arg1, int arg2)
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{
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asm(" addl %2,%0 \n\
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jo iplus_err": "=r" (arg2): "0" (arg2), "r" (arg1));
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return arg2;
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}
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#define IPLUS_RESULT \
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INLINE_ARITH_SWITCH(result,"iplus_ret"); \
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asm("iplus_err:"); \
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INLINE_ERROR_EXIT(tos,"iplus_ret")
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extern inline const int sub32 (int arg1, int arg2)
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{
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asm("subl %2,%0 \n\
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jo diff_err": "=r" (arg1): "0" (arg1), "r" (arg2));
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return arg1;
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}
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#define DIFF_RESULT \
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INLINE_ARITH_SWITCH(result,"diff_ret"); \
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asm("diff_err:"); \
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INLINE_ERROR_EXIT(tos,"diff_ret")
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extern inline const int isub32 (int arg1, int arg2)
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{
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asm(" subl %2,%0 \n\
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jo idiff_err": "=r" (arg1): "0" (arg1), "r" (arg2));
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return arg1;
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}
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#define IDIFF_RESULT \
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INLINE_ARITH_SWITCH(result,"idiff_ret"); \
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asm("idiff_err:"); \
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INLINE_ERROR_EXIT(tos,"idiff_ret")
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extern inline const int iplus32n(int arg1, int arg2)
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{
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asm("addl %2,%0 \n\
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jo iplusn_err": "=r" (arg2): "0" (arg2), "r" (arg1));
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return arg2;
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}
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#define IPLUSN_RESULT \
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INLINE_ARITH_SWITCH(result,"iplusn_ret"); \
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asm("iplusn_err:"); \
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INLINE_ERROR_EXIT(tos,"iplusn_ret")
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extern inline const int sub32n (int arg1, int arg2)
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{
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asm(" subl %2,%0 \n\
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jo idiffn_err": "=r" (arg1): "0" (arg1), "r" (arg2));
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return arg1;
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}
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#define IDIFFN_RESULT \
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INLINE_ARITH_SWITCH(result,"idiffn_ret"); \
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asm("idiffn_err:"); \
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INLINE_ERROR_EXIT(tos,"idiffn_ret")
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#else /* Any other ARITHINLINE case */
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#define PLUS_RESULT \
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N_ARITH_SWITCH(result); \
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doufn2: plus_err_label(); \
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ERROR_EXIT(tos);
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#define IPLUS_RESULT \
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N_ARITH_SWITCH(result); \
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dummy: iplus_err_label();
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#define DIFF_RESULT \
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N_ARITH_SWITCH(result); \
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doufn2: diff_err_label(); \
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ERROR_EXIT(tos);
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#define IDIFF_RESULT \
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N_ARITH_SWITCH(result); \
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dummy: idiff_err_label();
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#define IPLUSN_RESULT \
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N_ARITH_SWITCH(result); \
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dummy: iplusn_err_label();
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#define IDIFFN_RESULT \
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N_ARITH_SWITCH(result); \
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dummy: idiffn_err_label();
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#endif /* GCC386 */
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#endif /* ARITHINLINE */
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#endif /* ARITH2_H */
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