From 8a77b4785acd143d76ccc08142abb39c0100de3d Mon Sep 17 00:00:00 2001 From: Waldemar Brodkorb Date: Sun, 27 Apr 2025 03:39:44 +0200 Subject: or1k: add fenv support from glibc --- libm/or1k/get-rounding-mode.h | 36 ++++++++++++++++++++++++++++++++++++ 1 file changed, 36 insertions(+) create mode 100644 libm/or1k/get-rounding-mode.h (limited to 'libm/or1k/get-rounding-mode.h') diff --git a/libm/or1k/get-rounding-mode.h b/libm/or1k/get-rounding-mode.h new file mode 100644 index 000000000..f65c4ecc0 --- /dev/null +++ b/libm/or1k/get-rounding-mode.h @@ -0,0 +1,36 @@ +/* Determine floating-point rounding mode within libc. OpenRISC version. + + Copyright (C) 2024-2025 Free Software Foundation, Inc. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + . */ + +#ifndef _OR1K_GET_ROUNDING_MODE_H +#define _OR1K_GET_ROUNDING_MODE_H 1 + +#include +#include + +/* Return the floating-point rounding mode. */ + +static inline int +get_rounding_mode (void) +{ + fpu_control_t cw; + + _FPU_GETCW (cw); + return cw & _FPU_FPCSR_RM_MASK; +} + +#endif /* get-rounding-mode.h */ -- cgit v1.2.3