qemu/tests/tcg/multiarch/float_helpers.h
Richard Henderson 853c93ed0d tests/tcg: Do not require FE_* exception bits
Define anything that is missing as 0, so that flags & FE_FOO
is false for any missing FOO.

Tested-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2020-09-01 07:41:38 -07:00

44 lines
897 B
C

/*
* Common Float Helpers
*
* Copyright (c) 2019 Linaro
*
* SPDX-License-Identifier: GPL-3.0-or-later
*/
#include <inttypes.h>
/* Some hosts do not have support for all of these; not required by ISO C. */
#ifndef FE_OVERFLOW
#define FE_OVERFLOW 0
#endif
#ifndef FE_UNDERFLOW
#define FE_UNDERFLOW 0
#endif
#ifndef FE_DIVBYZERO
#define FE_DIVBYZERO 0
#endif
#ifndef FE_INEXACT
#define FE_INEXACT 0
#endif
#ifndef FE_INVALID
#define FE_INVALID 0
#endif
/* Number of constants in each table */
int get_num_f16(void);
int get_num_f32(void);
int get_num_f64(void);
/* Accessor helpers, overflows will automatically wrap */
uint16_t get_f16(int i); /* use _Float16 when we can */
float get_f32(int i);
double get_f64(int i);
/* Return format strings, free after use */
char * fmt_f16(uint16_t);
char * fmt_f32(float);
char * fmt_f64(double);
/* exception flags */
char * fmt_flags(void);