glibc/sysdeps/sparc/sparc64/qp_qtos.c
Paul Eggert 581c785bf3 Update copyright dates with scripts/update-copyrights
I used these shell commands:

../glibc/scripts/update-copyrights $PWD/../gnulib/build-aux/update-copyright
(cd ../glibc && git commit -am"[this commit message]")

and then ignored the output, which consisted lines saying "FOO: warning:
copyright statement not found" for each of 7061 files FOO.

I then removed trailing white space from math/tgmath.h,
support/tst-support-open-dev-null-range.c, and
sysdeps/x86_64/multiarch/strlen-vec.S, to work around the following
obscure pre-commit check failure diagnostics from Savannah.  I don't
know why I run into these diagnostics whereas others evidently do not.

remote: *** 912-#endif
remote: *** 913:
remote: *** 914-
remote: *** error: lines with trailing whitespace found
...
remote: *** error: sysdeps/unix/sysv/linux/statx_cp.c: trailing lines
2022-01-01 11:40:24 -08:00

48 lines
1.3 KiB
C

/* Software floating-point emulation.
Return (float)(*a)
Copyright (C) 1997-2022 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 "soft-fp.h"
#include "single.h"
#include "quad.h"
float _Qp_qtos(const long double *a)
{
FP_DECL_EX;
FP_DECL_Q(A);
FP_DECL_S(R);
float r;
FP_INIT_ROUNDMODE;
FP_UNPACK_SEMIRAW_QP(A, a);
#if _FP_W_TYPE_SIZE < 64
FP_TRUNC(S,Q,1,4,R,A);
#else
FP_TRUNC(S,Q,1,2,R,A);
#endif
FP_PACK_SEMIRAW_S(r, R);
QP_HANDLE_EXCEPTIONS(__asm (
" ldd [%1], %%f52\n"
" ldd [%1+8], %%f54\n"
" fqtos %%f52, %0\n"
" " : "=&f" (r) : "r" (a) : QP_CLOBBER));
return r;
}