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riscv: Remove RV32 floating point functions

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We don't need RV32 specific floating point functions, instead make them
generic for RISC-V.

Reviewed-by: Adhemerval Zanella  <adhemerval.zanella@linaro.org>
This commit is contained in:
Alistair Francis 2022-09-20 15:21:13 -04:00 committed by DJ Delorie
parent 73e9fe43ac
commit 2e81493fa6
8 changed files with 40 additions and 132 deletions
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31
sysdeps/riscv/rv32/rvd/s_lrint.c
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@ -1,31 +0,0 @@
/* lrint(). The 32-bit RISC-V (RV32) version.
Copyright (C) 2020-2022 Free Software Foundation, Inc.
This file is part of the GNU C Library.
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
<https://www.gnu.org/licenses/>. */
#include <math.h>
#include <libm-alias-double.h>
#include <stdint.h>
long int
__lrint (double x)
{
int32_t res;
asm ("fcvt.w.d %0, %1" : "=r" (res) : "f" (x));
return res;
}
libm_alias_double (__lrint, lrint)

31
sysdeps/riscv/rv32/rvd/s_lround.c
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@ -1,31 +0,0 @@
/* lround(). 32-bit RISC-V (RV32) version.
Copyright (C) 2020-2022 Free Software Foundation, Inc.
This file is part of the GNU C Library.
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
<https://www.gnu.org/licenses/>. */
#include <math.h>
#include <libm-alias-double.h>
#include <stdint.h>
long int
__lround (double x)
{
int32_t res;
asm ("fcvt.w.d %0, %1, rmm" : "=r" (res) : "f" (x));
return res;
}
libm_alias_double (__lround, lround)

31
sysdeps/riscv/rv32/rvf/s_lrintf.c
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@ -1,31 +0,0 @@
/* lrintf(). 32-bit RISC-V (RV32) version.
Copyright (C) 2020-2022 Free Software Foundation, Inc.
This file is part of the GNU C Library.
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
<https://www.gnu.org/licenses/>. */
#include <math.h>
#include <libm-alias-float.h>
#include <stdint.h>
long int
__lrintf (float x)
{
int32_t res;
asm ("fcvt.w.s %0, %1" : "=r" (res) : "f" (x));
return res;
}
libm_alias_float (__lrint, lrint)

31
sysdeps/riscv/rv32/rvf/s_lroundf.c
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@ -1,31 +0,0 @@
/* lroundf(). 32-bit RISC-V (RV32) version.
Copyright (C) 2020-2022 Free Software Foundation, Inc.
This file is part of the GNU C Library.
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
<https://www.gnu.org/licenses/>. */
#include <math.h>
#include <libm-alias-float.h>
#include <stdint.h>
long int
__lroundf (float x)
{
int32_t res;
asm ("fcvt.w.s %0, %1, rmm" : "=r" (res) : "f" (x));
return res;
}
libm_alias_float (__lround, lround)

12
sysdeps/riscv/rv64/rvd/s_lrint.c → sysdeps/riscv/rvd/s_lrint.c
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@ -19,11 +19,19 @@
#include <libm-alias-double.h>
#include <stdint.h>
#if __WORDSIZE == 64
# define OP "fcvt.l.d"
#elif __WORDSIZE == 32
# define OP "fcvt.w.d"
#else
# error Unsupported
#endif
long int
__lrint (double x)
{
int64_t res;
asm ("fcvt.l.d %0, %1" : "=r" (res) : "f" (x));
long int res;
asm (OP "\t%0, %1" : "=r" (res) : "f" (x));
return res;
}

12
sysdeps/riscv/rv64/rvd/s_lround.c → sysdeps/riscv/rvd/s_lround.c
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@ -19,11 +19,19 @@
#include <libm-alias-double.h>
#include <stdint.h>
#if __WORDSIZE == 64
# define OP "fcvt.l.d"
#elif __WORDSIZE == 32
# define OP "fcvt.w.d"
#else
# error Unsupported
#endif
long int
__lround (double x)
{
int64_t res;
asm ("fcvt.l.d %0, %1, rmm" : "=r" (res) : "f" (x));
long int res;
asm (OP "\t%0, %1, rmm" : "=r" (res) : "f" (x));
return res;
}

12
sysdeps/riscv/rv64/rvf/s_lrintf.c → sysdeps/riscv/rvf/s_lrintf.c
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@ -20,11 +20,19 @@
#include <libm-alias-float.h>
#include <stdint.h>
#if __WORDSIZE == 64
# define OP "fcvt.l.s"
#elif __WORDSIZE == 32
# define OP "fcvt.w.s"
#else
# error Unsupported
#endif
long int
__lrintf (float x)
{
int64_t res;
asm ("fcvt.l.s %0, %1" : "=r" (res) : "f" (x));
long int res;
asm (OP "\t%0, %1" : "=r" (res) : "f" (x));
return res;
}

12
sysdeps/riscv/rv64/rvf/s_lroundf.c → sysdeps/riscv/rvf/s_lroundf.c
View File

@ -20,11 +20,19 @@
#include <libm-alias-float.h>
#include <stdint.h>
#if __WORDSIZE == 64
# define OP "fcvt.l.s"
#elif __WORDSIZE == 32
# define OP "fcvt.w.s"
#else
# error Unsupported
#endif
long int
__lroundf (float x)
{
int64_t res;
asm ("fcvt.l.s %0, %1, rmm" : "=r" (res) : "f" (x));
long int res;
asm (OP "\t%0, %1, rmm" : "=r" (res) : "f" (x));
return res;
}