summaryrefslogtreecommitdiff
path: root/lib/libc/arch/mips/gen/isinf.S
diff options
context:
space:
mode:
authorPer Fogelstrom <pefo@cvs.openbsd.org>2004-08-11 17:34:34 +0000
committerPer Fogelstrom <pefo@cvs.openbsd.org>2004-08-11 17:34:34 +0000
commitc6cecd498e10af3fdeff8fe9b868dcb7db23c3dc (patch)
tree9f4ee0ed8a58e2d47293764015044e83f18093e1 /lib/libc/arch/mips/gen/isinf.S
parent157c05af49992f375d3ca44737e259c872051014 (diff)
bye
Diffstat (limited to 'lib/libc/arch/mips/gen/isinf.S')
-rw-r--r--lib/libc/arch/mips/gen/isinf.S91
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)