Convert softfloat to use the standard exception flag and rounding macros
in fenv.h instead of the non-standard and incomplete ones in ieeefp.h. Thanks to Ian Lepore for testing this patch.
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Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=230189
@ -45,7 +45,7 @@ the `FLOAT128' macro and the quadruple-precision format `float128'.
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/* #define FLOATX80 */
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/* #define FLOAT128 */
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#include <machine/ieeefp.h>
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#include <fenv.h>
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/*
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-------------------------------------------------------------------------------
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@ -84,12 +84,12 @@ enum {
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Software IEC/IEEE floating-point rounding mode.
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-------------------------------------------------------------------------------
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*/
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extern fp_rnd_t float_rounding_mode;
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extern int float_rounding_mode;
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enum {
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float_round_nearest_even = FP_RN,
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float_round_to_zero = FP_RZ,
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float_round_down = FP_RM,
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float_round_up = FP_RP
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float_round_nearest_even = FE_TONEAREST,
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float_round_to_zero = FE_TOWARDZERO,
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float_round_down = FE_DOWNWARD,
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float_round_up = FE_UPWARD
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};
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/*
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@ -97,14 +97,14 @@ enum {
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Software IEC/IEEE floating-point exception flags.
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-------------------------------------------------------------------------------
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*/
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extern fp_except float_exception_flags;
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extern fp_except float_exception_mask;
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extern int float_exception_flags;
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extern int float_exception_mask;
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enum {
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float_flag_inexact = FP_X_IMP,
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float_flag_underflow = FP_X_UFL,
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float_flag_overflow = FP_X_OFL,
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float_flag_divbyzero = FP_X_DZ,
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float_flag_invalid = FP_X_INV
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float_flag_inexact = FE_INEXACT,
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float_flag_underflow = FE_UNDERFLOW,
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float_flag_overflow = FE_OVERFLOW,
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float_flag_divbyzero = FE_DIVBYZERO,
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float_flag_invalid = FE_INVALID
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};
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/*
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@ -113,7 +113,7 @@ Routine to raise any or all of the software IEC/IEEE floating-point
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exception flags.
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-------------------------------------------------------------------------------
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*/
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void float_raise( fp_except );
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void float_raise( int );
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/*
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-------------------------------------------------------------------------------
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@ -45,7 +45,7 @@ the `FLOAT128' macro and the quadruple-precision format `float128'.
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/* #define FLOATX80 */
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/* #define FLOAT128 */
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#include <machine/ieeefp.h>
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#include <fenv.h>
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/*
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-------------------------------------------------------------------------------
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@ -84,12 +84,12 @@ enum {
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Software IEC/IEEE floating-point rounding mode.
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-------------------------------------------------------------------------------
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*/
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extern fp_rnd_t float_rounding_mode;
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extern int float_rounding_mode;
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enum {
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float_round_nearest_even = FP_RN,
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float_round_to_zero = FP_RZ,
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float_round_down = FP_RM,
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float_round_up = FP_RP
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float_round_nearest_even = FE_TONEAREST,
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float_round_to_zero = FE_TOWARDZERO,
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float_round_down = FE_DOWNWARD,
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float_round_up = FE_UPWARD
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};
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/*
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@ -97,14 +97,14 @@ enum {
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Software IEC/IEEE floating-point exception flags.
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-------------------------------------------------------------------------------
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*/
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extern fp_except float_exception_flags;
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extern fp_except float_exception_mask;
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extern int float_exception_flags;
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extern int float_exception_mask;
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enum {
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float_flag_inexact = FP_X_IMP,
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float_flag_underflow = FP_X_UFL,
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float_flag_overflow = FP_X_OFL,
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float_flag_divbyzero = FP_X_DZ,
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float_flag_invalid = FP_X_INV
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float_flag_inexact = FE_INEXACT,
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float_flag_underflow = FE_UNDERFLOW,
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float_flag_overflow = FE_OVERFLOW,
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float_flag_divbyzero = FE_DIVBYZERO,
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float_flag_invalid = FE_INVALID
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};
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/*
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@ -113,7 +113,7 @@ Routine to raise any or all of the software IEC/IEEE floating-point
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exception flags.
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-------------------------------------------------------------------------------
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*/
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void float_raise( fp_except );
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void float_raise( int );
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/*
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-------------------------------------------------------------------------------
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@ -77,8 +77,8 @@ __FBSDID("$FreeBSD$");
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Floating-point rounding mode and exception flags.
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-------------------------------------------------------------------------------
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*/
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fp_rnd_t float_rounding_mode = float_round_nearest_even;
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fp_except float_exception_flags = 0;
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int float_rounding_mode = float_round_nearest_even;
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int float_exception_flags = 0;
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/*
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-------------------------------------------------------------------------------
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@ -71,8 +71,8 @@ Floating-point rounding mode, extended double-precision rounding precision,
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and exception flags.
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-------------------------------------------------------------------------------
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*/
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fp_rnd_t float_rounding_mode = float_round_nearest_even;
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fp_except float_exception_flags = 0;
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int float_rounding_mode = float_round_nearest_even;
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int float_exception_flags = 0;
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#ifdef FLOATX80
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int8 floatx80_rounding_precision = 80;
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#endif
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@ -58,8 +58,8 @@ substitute a result value. If traps are not implemented, this routine
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should be simply `float_exception_flags |= flags;'.
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-------------------------------------------------------------------------------
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*/
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fp_except float_exception_mask = 0;
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void float_raise( fp_except flags )
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int float_exception_mask = 0;
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void float_raise( int flags )
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{
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float_exception_flags |= flags;
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