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941a55cf59
This patch adds support for hardware floating-point support for the RV32IF and RV32IFD platforms. Reviewed-by: Maciej W. Rozycki <macro@wdc.com>
32 lines
1.0 KiB
C
32 lines
1.0 KiB
C
/* lrintf(). 32-bit RISC-V (RV32) version.
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Copyright (C) 2020 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library. If not, see
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<https://www.gnu.org/licenses/>. */
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#include <math.h>
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#include <libm-alias-float.h>
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#include <stdint.h>
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long int
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__lrintf (float x)
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{
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int32_t res;
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asm ("fcvt.w.s %0, %1" : "=r" (res) : "f" (x));
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return res;
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}
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libm_alias_float (__lrint, lrint)
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