4472dbe5e3
mostly-MI floating-point implementation for use by gcc -msoft-float. It's currently only used by arm26, but should be usable by other ports without too much hacking, assuming doubles and u_int64_ts are passed and returned the same way, and FP formats are IEEEish.
42 lines
1.5 KiB
C
42 lines
1.5 KiB
C
/* $NetBSD: softfloat-for-gcc.h,v 1.1 2000/06/06 08:15:07 bjh21 Exp $ */
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/*
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* Move private identifiers with external linkage into implementation
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* namespace. -- Klaus Klein <kleink@netbsd.org>, May 5, 1999
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*/
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#define float_exception_flags _softfloat_float_exception_flags
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#define float_rounding_mode _softfloat_float_rounding_mode
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#define float_raise _softfloat_float_raise
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/* The following batch are called by GCC through wrappers */
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#define float32_eq _softfloat_float32_eq
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#define float32_le _softfloat_float32_le
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#define float32_lt _softfloat_float32_lt
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#define float64_eq _softfloat_float64_eq
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#define float64_le _softfloat_float64_le
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#define float64_lt _softfloat_float64_lt
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/*
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* Macros to define functions with the GCC expected names
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*/
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#define float32_add __addsf3
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#define float64_add __adddf3
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#define float32_sub __subsf3
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#define float64_sub __subdf3
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#define float32_mul __mulsf3
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#define float64_mul __muldf3
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#define float32_div __divsf3
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#define float64_div __divdf3
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#define int32_to_float32 __floatsisf
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#define int32_to_float64 __floatsidf
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#define int64_to_float32 __floatdisf
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#define int64_to_float64 __floatdidf
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#define float32_to_int32_round_to_zero __fixsfsi
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#define float64_to_int32_round_to_zero __fixdfsi
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#define float32_to_int64_round_to_zero __fixsfdi
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#define float64_to_int64_round_to_zero __fixdfdi
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/* #define float32_to_uint32_round_to_zero __fixunssfsi */
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/* #define float64_to_uint32_round_to_zero __fixunsdfsi */
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#define float32_to_float64 __extendsfdf2
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#define float64_to_float32 __truncdfsf2
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