1 /* Software floating-point emulation.
2 Return 1 if (*a) <= (*b)
3 Copyright (C) 1997-2022 Free Software Foundation, Inc.
4 This file is part of the GNU C Library.
5
6 The GNU C Library is free software; you can redistribute it and/or
7 modify it under the terms of the GNU Lesser General Public
8 License as published by the Free Software Foundation; either
9 version 2.1 of the License, or (at your option) any later version.
10
11 The GNU C Library is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 Lesser General Public License for more details.
15
16 You should have received a copy of the GNU Lesser General Public
17 License along with the GNU C Library; if not, see
18 <https://www.gnu.org/licenses/>. */
19
20 #include "soft-fp.h"
21 #include "quad.h"
22
_Qp_fle(const long double * a,const long double * b)23 int _Qp_fle(const long double *a, const long double *b)
24 {
25 FP_DECL_EX;
26 FP_DECL_Q(A); FP_DECL_Q(B);
27 int r;
28
29 FP_INIT_ROUNDMODE;
30 FP_UNPACK_RAW_QP(A, a);
31 FP_UNPACK_RAW_QP(B, b);
32 FP_CMP_Q(r, B, A, -2, 2);
33
34 QP_HANDLE_EXCEPTIONS(
35 __asm (
36 " ldd [%0], %%f52\n"
37 " ldd [%0+8], %%f54\n"
38 " ldd [%1], %%f56\n"
39 " ldd [%1+8], %%f58\n"
40 " fcmpeq %%fcc3, %%f52, %%f56\n"
41 " " : : "r" (a), "r" (b) : QP_CLOBBER_CC);
42 _FPU_GETCW(_fcw);
43 r = ((_fcw >> 36) & 2) ? -1 : 0);
44
45 return (r >= 0);
46 }
47