diff options
author | Per Fogelstrom <pefo@cvs.openbsd.org> | 2004-08-11 17:34:34 +0000 |
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committer | Per Fogelstrom <pefo@cvs.openbsd.org> | 2004-08-11 17:34:34 +0000 |
commit | c6cecd498e10af3fdeff8fe9b868dcb7db23c3dc (patch) | |
tree | 9f4ee0ed8a58e2d47293764015044e83f18093e1 /lib/libc/arch/mips/gen/isinf.S | |
parent | 157c05af49992f375d3ca44737e259c872051014 (diff) |
bye
Diffstat (limited to 'lib/libc/arch/mips/gen/isinf.S')
-rw-r--r-- | lib/libc/arch/mips/gen/isinf.S | 91 |
1 files changed, 0 insertions, 91 deletions
diff --git a/lib/libc/arch/mips/gen/isinf.S b/lib/libc/arch/mips/gen/isinf.S deleted file mode 100644 index c097598bf79..00000000000 --- a/lib/libc/arch/mips/gen/isinf.S +++ /dev/null @@ -1,91 +0,0 @@ -/*- - * Copyright (c) 1993 - * The Regents of the University of California. All rights reserved. - * - * This code is derived from software contributed to Berkeley by - * Ralph Campbell. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. Neither the name of the University nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - */ - -#include <machine/asm.h> - -#if defined(LIBC_SCCS) - .text - .asciz "$OpenBSD: isinf.S,v 1.5 2003/06/02 20:18:31 millert Exp $" -#endif /* LIBC_SCCS */ - -#define DEXP_INF 0x7ff - -/* - * isnan(x) - * double x; - * - * Return true if x is a NAN. - */ -LEAF(isnan) - .set noreorder - mfc1 v1, $f13 # get MSW of x - mfc1 t3, $f12 # get LSW of x - sll t1, v1, 1 # get x exponent - srl t1, t1, 32 - 11 - bne t1, DEXP_INF, 2f # is it a finite number? - sll t2, v1, 32 - 20 # get x fraction - bne t3, zero, 1f # is it a NAN? - nop - beq t2, zero, 2f # its infinity - nop -1: - j ra - li v0, 1 # x is a NAN -2: - j ra - move v0, zero # x is NOT a NAN -END(isnan) - -/* - * isinf(x) - * double x; - * - * Return true if x is infinity. - */ -LEAF(isinf) - .set noreorder - mfc1 v1, $f13 # get MSW of x - mfc1 t3, $f12 # get LSW of x - sll t1, v1, 1 # get x exponent - srl t1, t1, 32 - 11 - bne t1, DEXP_INF, 1f # is it a finite number? - sll t2, v1, 32 - 20 # get x fraction - bne t3, zero, 1f # is it a NAN? - nop - bne t2, zero, 1f # is it a NAN? - nop - j ra - li v0, 1 # x is infinity -1: - j ra - move v0, zero # x is NOT infinity -END(isinf) |