NetBSD/gnu/usr.bin/gcc2/libgcc/_negsf2.c

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/* $Id: _negsf2.c,v 1.2 1993/08/02 17:38:28 mycroft Exp $ */
1993-07-09 17:11:49 +04:00
extern int target_flags;
enum reg_class
{
NO_REGS,
AREG, DREG, CREG, BREG,
Q_REGS,
SIREG, DIREG,
INDEX_REGS,
GENERAL_REGS,
FP_TOP_REG, FP_SECOND_REG,
FLOAT_REGS,
ALL_REGS, LIM_REG_CLASSES
};
extern enum reg_class regclass_map[17 ];
extern struct rtx_def *i386_compare_op0, *i386_compare_op1;
extern struct rtx_def *(*i386_compare_gen)(), *(*i386_compare_gen_eq)();
extern char *hi_reg_name[];
extern char *qi_reg_name[];
extern char *qi_high_reg_name[];
union flt_or_value { float i; float f; };
union flt_or_int { int i; float f; };
float
__negsf2 (a)
union flt_or_int a;
{
union flt_or_value intify;
return - (( a ).f) ;
}