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fb08891109
* sysdeps/alpha/Implies: Add alpha/soft-fp.
* sysdeps/alpha/soft-fp/sfp-machine.h: Rewrite for GEM interface.
* sysdeps/alpha/Subdirs, sysdeps/alpha/soft-fp/Makefile,
sysdeps/alpha/soft-fp/Versions, sysdeps/alpha/soft-fp/local-soft-fp.h,
sysdeps/alpha/soft-fp/ots_add.c, sysdeps/alpha/soft-fp/ots_cmp.c,
sysdeps/alpha/soft-fp/ots_cmpe.c, sysdeps/alpha/soft-fp/ots_cvtqux.c,
sysdeps/alpha/soft-fp/ots_cvtqx.c, sysdeps/alpha/soft-fp/ots_cvttx.c,
sysdeps/alpha/soft-fp/ots_cvtxq.c, sysdeps/alpha/soft-fp/ots_cvtxt.c,
sysdeps/alpha/soft-fp/ots_div.c, sysdeps/alpha/soft-fp/ots_mul.c,
sysdeps/alpha/soft-fp/ots_nintxq.c, sysdeps/alpha/soft-fp/ots_sub.c:
New files.
84 lines
2.0 KiB
C
84 lines
2.0 KiB
C
/* Software floating-point emulation: comparison.
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Copyright (C) 1997,1999,2004 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Richard Henderson (rth@cygnus.com) and
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Jakub Jelinek (jj@ultra.linux.cz).
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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, write to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA. */
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#include "local-soft-fp.h"
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static long
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internal_compare (long al, long ah, long bl, long bh)
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{
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FP_DECL_EX;
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FP_DECL_Q(A); FP_DECL_Q(B);
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long r;
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FP_UNPACK_RAW_Q(A, a);
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FP_UNPACK_RAW_Q(B, b);
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FP_CMP_Q (r, A, B, 2);
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/* Relative comparisons signal invalid operation if either operand is NaN. */
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if (r == 2)
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{
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FP_SET_EXCEPTION(FP_EX_INVALID);
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FP_HANDLE_EXCEPTIONS;
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}
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return r;
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}
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long
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_OtsLssX (long al, long ah, long bl, long bh)
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{
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long r = internal_compare (al, ah, bl, bh);
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if (r == 2)
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return -1;
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else
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return r < 0;
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}
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long
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_OtsLeqX (long al, long ah, long bl, long bh)
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{
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long r = internal_compare (al, ah, bl, bh);
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if (r == 2)
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return -1;
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else
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return r <= 0;
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}
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long
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_OtsGtrX (long al, long ah, long bl, long bh)
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{
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long r = internal_compare (al, ah, bl, bh);
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if (r == 2)
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return -1;
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else
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return r > 0;
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}
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long
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_OtsGeqX (long al, long ah, long bl, long bh)
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{
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long r = internal_compare (al, ah, bl, bh);
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if (r == 2)
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return -1;
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else
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return r >= 0;
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}
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