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authorkleink <kleink@NetBSD.org>2003-10-26 20:55:30 +0000
committerkleink <kleink@NetBSD.org>2003-10-26 20:55:30 +0000
commita3fabb9e7f07669ca9d32f2f5fb4d0ba2ddb5912 (patch)
treee2fea16260b3ce6076df3d6979be058fdefea1f8
parentf64435e552d8e34e06fe7282c900f43ab4e3ab79 (diff)
Use <sys/ieee754.h> where applicable.
-rw-r--r--sys/arch/alpha/include/ieee.h120
-rw-r--r--sys/arch/hppa/include/ieee.h55
-rw-r--r--sys/arch/m68k/include/ieee.h71
-rw-r--r--sys/arch/mips/include/ieee.h132
-rw-r--r--sys/arch/pc532/include/ieee.h118
-rw-r--r--sys/arch/powerpc/include/ieee.h133
-rw-r--r--sys/arch/sh3/include/ieee.h132
-rw-r--r--sys/arch/sh5/include/ieee.h132
-rw-r--r--sys/arch/sparc/include/ieee.h59
-rw-r--r--sys/arch/x86/include/ieee.h57
10 files changed, 32 insertions, 977 deletions
diff --git a/sys/arch/alpha/include/ieee.h b/sys/arch/alpha/include/ieee.h
index 7513054d253..2c3d035b24f 100644
--- a/sys/arch/alpha/include/ieee.h
+++ b/sys/arch/alpha/include/ieee.h
@@ -1,119 +1,3 @@
-/* $NetBSD: ieee.h,v 1.3 2003/08/07 16:26:33 agc Exp $ */
+/* $NetBSD: ieee.h,v 1.4 2003/10/26 20:55:30 kleink Exp $ */
-/*
- * Copyright (c) 1992, 1993
- * The Regents of the University of California. All rights reserved.
- *
- * This software was developed by the Computer Systems Engineering group
- * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
- * contributed to Berkeley.
- *
- * All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by the University of
- * California, Lawrence Berkeley Laboratory.
- *
- * 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.
- *
- * @(#)ieee.h 8.1 (Berkeley) 6/11/93
- *
- * from: Header: ieee.h,v 1.7 92/11/26 02:04:37 torek Exp
- */
-
-/*
- * ieee.h defines the machine-dependent layout of the machine's IEEE
- * floating point. It does *not* define (yet?) any of the rounding
- * mode bits, exceptions, and so forth.
- */
-
-/*
- * Define the number of bits in each fraction and exponent.
- *
- * k k+1
- * Note that 1.0 x 2 == 0.1 x 2 and that denorms are represented
- *
- * (-exp_bias+1)
- * as fractions that look like 0.fffff x 2 . This means that
- *
- * -126
- * the number 0.10000 x 2 , for instance, is the same as the normalized
- *
- * -127 -128
- * float 1.0 x 2 . Thus, to represent 2 , we need one leading zero
- *
- * -129
- * in the fraction; to represent 2 , we need two, and so on. This
- *
- * (-exp_bias-fracbits+1)
- * implies that the smallest denormalized number is 2
- *
- * for whichever format we are talking about: for single precision, for
- *
- * -126 -149
- * instance, we get .00000000000000000000001 x 2 , or 1.0 x 2 , and
- *
- * -149 == -127 - 23 + 1.
- */
-#define SNG_EXPBITS 8
-#define SNG_FRACBITS 23
-
-#define DBL_EXPBITS 11
-#define DBL_FRACBITS 52
-
-struct ieee_single {
- u_int sng_frac:23;
- u_int sng_exp:8;
- u_int sng_sign:1;
-};
-
-struct ieee_double {
- u_int dbl_fracl;
- u_int dbl_frach:20;
- u_int dbl_exp:11;
- u_int dbl_sign:1;
-};
-
-/*
- * Floats whose exponent is in [1..INFNAN) (of whatever type) are
- * `normal'. Floats whose exponent is INFNAN are either Inf or NaN.
- * Floats whose exponent is zero are either zero (iff all fraction
- * bits are zero) or subnormal values.
- *
- * A NaN is a `signalling NaN' if its QUIETNAN bit is clear in its
- * high fraction; if the bit is set, it is a `quiet NaN'.
- */
-#define SNG_EXP_INFNAN 255
-#define DBL_EXP_INFNAN 2047
-
-#if 0
-#define SNG_QUIETNAN (1 << 22)
-#define DBL_QUIETNAN (1 << 19)
-#endif
-
-/*
- * Exponent biases.
- */
-#define SNG_EXP_BIAS 127
-#define DBL_EXP_BIAS 1023
+#include <sys/ieee754.h>
diff --git a/sys/arch/hppa/include/ieee.h b/sys/arch/hppa/include/ieee.h
index 3a2eef625da..45643275694 100644
--- a/sys/arch/hppa/include/ieee.h
+++ b/sys/arch/hppa/include/ieee.h
@@ -1,4 +1,4 @@
-/* $NetBSD: ieee.h,v 1.3 2003/10/26 00:36:43 kleink Exp $ */
+/* $NetBSD: ieee.h,v 1.4 2003/10/26 20:55:30 kleink Exp $ */
/* $OpenBSD: ieee.h,v 1.1 1999/04/20 19:44:04 mickey Exp $ */
@@ -48,56 +48,11 @@
* mode bits, exceptions, and so forth.
*/
-/*
- * Define the number of bits in each fraction and exponent.
- *
- * k k+1
- * Note that 1.0 x 2 == 0.1 x 2 and that denorms are represented
- *
- * (-exp_bias+1)
- * as fractions that look like 0.fffff x 2 . This means that
- *
- * -126
- * the number 0.10000 x 2 , for instance, is the same as the normalized
- *
- * -127 -128
- * float 1.0 x 2 . Thus, to represent 2 , we need one leading zero
- *
- * -129
- * in the fraction; to represent 2 , we need two, and so on. This
- *
- * (-exp_bias-fracbits+1)
- * implies that the smallest denormalized number is 2
- *
- * for whichever format we are talking about: for single precision, for
- *
- * -126 -149
- * instance, we get .00000000000000000000001 x 2 , or 1.0 x 2 , and
- *
- * -149 == -127 - 23 + 1.
- */
-#define SNG_EXPBITS 8
-#define SNG_FRACBITS 23
-
-#define DBL_EXPBITS 11
-#define DBL_FRACBITS 52
+#include <sys/ieee754.h>
#define EXT_EXPBITS 15
#define EXT_FRACBITS 112
-struct ieee_single {
- u_int sng_sign:1;
- u_int sng_exp:8;
- u_int sng_frac:23;
-};
-
-struct ieee_double {
- u_int dbl_sign:1;
- u_int dbl_exp:11;
- u_int dbl_frach:20;
- u_int dbl_fracl;
-};
-
struct ieee_ext {
u_int ext_sign:1;
u_int ext_exp:15;
@@ -116,19 +71,13 @@ struct ieee_ext {
* A NaN is a `signalling NaN' if its QUIETNAN bit is clear in its
* high fraction; if the bit is set, it is a `quiet NaN'.
*/
-#define SNG_EXP_INFNAN 255
-#define DBL_EXP_INFNAN 2047
#define EXT_EXP_INFNAN 32767
#if 0
-#define SNG_QUIETNAN (1 << 22)
-#define DBL_QUIETNAN (1 << 19)
#define EXT_QUIETNAN (1 << 15)
#endif
/*
* Exponent biases.
*/
-#define SNG_EXP_BIAS 127
-#define DBL_EXP_BIAS 1023
#define EXT_EXP_BIAS 16383
diff --git a/sys/arch/m68k/include/ieee.h b/sys/arch/m68k/include/ieee.h
index a963f47c9b5..6567f3531c2 100644
--- a/sys/arch/m68k/include/ieee.h
+++ b/sys/arch/m68k/include/ieee.h
@@ -1,4 +1,4 @@
-/* $NetBSD: ieee.h,v 1.5 2003/10/26 10:08:02 kleink Exp $ */
+/* $NetBSD: ieee.h,v 1.6 2003/10/26 20:55:30 kleink Exp $ */
/*
* Copyright (c) 1992, 1993
@@ -46,59 +46,12 @@
* mode bits, exceptions, and so forth.
*/
-/*
- * Define the number of bits in each fraction and exponent.
- *
- * k k+1
- * Note that 1.0 x 2 == 0.1 x 2 and that denorms are represented
- *
- * (-exp_bias+1)
- * as fractions that look like 0.fffff x 2 . This means that
- *
- * -126
- * the number 0.10000 x 2 , for instance, is the same as the normalized
- *
- * -127 -128
- * float 1.0 x 2 . Thus, to represent 2 , we need one leading zero
- *
- * -129
- * in the fraction; to represent 2 , we need two, and so on. This
- *
- * (-exp_bias-fracbits+1)
- * implies that the smallest denormalized number is 2
- *
- * for whichever format we are talking about: for single precision, for
- *
- * -126 -149
- * instance, we get .00000000000000000000001 x 2 , or 1.0 x 2 , and
- *
- * -149 == -127 - 23 + 1.
- */
-#define SNG_EXPBITS 8
-#define SNG_FRACBITS 23
-
-#define DBL_EXPBITS 11
-#define DBL_FRACBITS 52
+#include <sys/ieee754.h>
#ifndef __mc68010__
#define EXT_EXPBITS 15
#define EXT_FRACBITS 64
-#endif
-struct ieee_single {
- u_int sng_sign:1;
- u_int sng_exp:8;
- u_int sng_frac:23;
-};
-
-struct ieee_double {
- u_int dbl_sign:1;
- u_int dbl_exp:11;
- u_int dbl_frach:20;
- u_int dbl_fracl;
-};
-
-#ifndef __mc68010__
struct ieee_ext {
u_int ext_sign:1;
u_int ext_exp:15;
@@ -107,36 +60,26 @@ struct ieee_ext {
u_int ext_frach:31;
u_int ext_fracl;
};
-#endif
/*
- * Floats whose exponent is in [1..INFNAN) (of whatever type) are
- * `normal'. Floats whose exponent is INFNAN are either Inf or NaN.
+ * Extended floats whose exponent is in [0..INFNAN) and have their
+ * explicit integer bit (the most significant bit of the fraction)
+ * set are `normal'. Floats whose exponent is INFNAN are either Inf or NaN.
* Floats whose exponent is zero are either zero (iff all fraction
* bits are zero) or subnormal values.
*
* A NaN is a `signalling NaN' if its QUIETNAN bit is clear in its
* high fraction; if the bit is set, it is a `quiet NaN'.
*/
-#define SNG_EXP_INFNAN 255
-#define DBL_EXP_INFNAN 2047
-#ifndef __mc68010__
#define EXT_EXP_INFNAN 32767
-#endif
#if 0
-#define SNG_QUIETNAN (1 << 22)
-#define DBL_QUIETNAN (1 << 19)
-#ifndef __mc68010__
#define EXT_QUIETNAN (1 << 15)
#endif
-#endif
/*
* Exponent biases.
*/
-#define SNG_EXP_BIAS 127
-#define DBL_EXP_BIAS 1023
-#ifndef __mc68010__
#define EXT_EXP_BIAS 16383
-#endif
+
+#endif /* !__mc68010__ */
diff --git a/sys/arch/mips/include/ieee.h b/sys/arch/mips/include/ieee.h
index beeb0adff3d..9218d9ee2c4 100644
--- a/sys/arch/mips/include/ieee.h
+++ b/sys/arch/mips/include/ieee.h
@@ -1,131 +1,3 @@
-/* $NetBSD: ieee.h,v 1.2 2003/08/07 16:28:27 agc Exp $ */
+/* $NetBSD: ieee.h,v 1.3 2003/10/26 20:55:30 kleink Exp $ */
-/*
- * Copyright (c) 1992, 1993
- * The Regents of the University of California. All rights reserved.
- *
- * This software was developed by the Computer Systems Engineering group
- * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
- * contributed to Berkeley.
- *
- * All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by the University of
- * California, Lawrence Berkeley Laboratory.
- *
- * 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.
- *
- * @(#)ieee.h 8.1 (Berkeley) 6/11/93
- */
-
-/*
- * ieee.h defines the machine-dependent layout of the machine's IEEE
- * floating point. It does *not* define (yet?) any of the rounding
- * mode bits, exceptions, and so forth.
- */
-#include <machine/endian.h>
-
-/*
- * Define the number of bits in each fraction and exponent.
- *
- * k k+1
- * Note that 1.0 x 2 == 0.1 x 2 and that denorms are represented
- *
- * (-exp_bias+1)
- * as fractions that look like 0.fffff x 2 . This means that
- *
- * -126
- * the number 0.10000 x 2 , for instance, is the same as the normalized
- *
- * -127 -128
- * float 1.0 x 2 . Thus, to represent 2 , we need one leading zero
- *
- * -129
- * in the fraction; to represent 2 , we need two, and so on. This
- *
- * (-exp_bias-fracbits+1)
- * implies that the smallest denormalized number is 2
- *
- * for whichever format we are talking about: for single precision, for
- *
- * -126 -149
- * instance, we get .00000000000000000000001 x 2 , or 1.0 x 2 , and
- *
- * -149 == -127 - 23 + 1.
- */
-#define SNG_EXPBITS 8
-#define SNG_FRACBITS 23
-
-#define DBL_EXPBITS 11
-#define DBL_FRACBITS 52
-
-struct ieee_single {
-#if BYTE_ORDER == LITTLE_ENDIAN
- u_int sng_frac:23;
- u_int sng_exp:8;
- u_int sng_sign:1;
-#else
- u_int sng_sign:1;
- u_int sng_exp:8;
- u_int sng_frac:23;
-#endif
-};
-
-struct ieee_double {
-#if BYTE_ORDER == LITTLE_ENDIAN
- u_int dbl_fracl;
- u_int dbl_frach:20;
- u_int dbl_exp:11;
- u_int dbl_sign:1;
-#else
- u_int dbl_sign:1;
- u_int dbl_exp:11;
- u_int dbl_frach:20;
- u_int dbl_fracl;
-#endif
-};
-
-/*
- * Floats whose exponent is in [1..INFNAN) (of whatever type) are
- * `normal'. Floats whose exponent is INFNAN are either Inf or NaN.
- * Floats whose exponent is zero are either zero (iff all fraction
- * bits are zero) or subnormal values.
- *
- * A NaN is a `signalling NaN' if its QUIETNAN bit is clear in its
- * high fraction; if the bit is set, it is a `quiet NaN'.
- */
-#define SNG_EXP_INFNAN 255
-#define DBL_EXP_INFNAN 2047
-
-#if 0
-#define SNG_QUIETNAN (1 << 22)
-#define DBL_QUIETNAN (1 << 19)
-#endif
-
-/*
- * Exponent biases.
- */
-#define SNG_EXP_BIAS 127
-#define DBL_EXP_BIAS 1023
+#include <sys/ieee754.h>
diff --git a/sys/arch/pc532/include/ieee.h b/sys/arch/pc532/include/ieee.h
index 14122f72635..c66618dc827 100644
--- a/sys/arch/pc532/include/ieee.h
+++ b/sys/arch/pc532/include/ieee.h
@@ -1,117 +1,3 @@
-/* $NetBSD: ieee.h,v 1.3 2003/08/07 16:28:59 agc Exp $ */
+/* $NetBSD: ieee.h,v 1.4 2003/10/26 20:55:30 kleink Exp $ */
-/*
- * Copyright (c) 1992, 1993
- * The Regents of the University of California. All rights reserved.
- *
- * This software was developed by the Computer Systems Engineering group
- * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
- * contributed to Berkeley.
- *
- * All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by the University of
- * California, Lawrence Berkeley Laboratory.
- *
- * 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.
- *
- * @(#)ieee.h 8.1 (Berkeley) 6/11/93
- */
-
-/*
- * ieee.h defines the machine-dependent layout of the machine's IEEE
- * floating point. It does *not* define (yet?) any of the rounding
- * mode bits, exceptions, and so forth.
- */
-
-/*
- * Define the number of bits in each fraction and exponent.
- *
- * k k+1
- * Note that 1.0 x 2 == 0.1 x 2 and that denorms are represented
- *
- * (-exp_bias+1)
- * as fractions that look like 0.fffff x 2 . This means that
- *
- * -126
- * the number 0.10000 x 2 , for instance, is the same as the normalized
- *
- * -127 -128
- * float 1.0 x 2 . Thus, to represent 2 , we need one leading zero
- *
- * -129
- * in the fraction; to represent 2 , we need two, and so on. This
- *
- * (-exp_bias-fracbits+1)
- * implies that the smallest denormalized number is 2
- *
- * for whichever format we are talking about: for single precision, for
- *
- * -126 -149
- * instance, we get .00000000000000000000001 x 2 , or 1.0 x 2 , and
- *
- * -149 == -127 - 23 + 1.
- */
-#define SNG_EXPBITS 8
-#define SNG_FRACBITS 23
-
-#define DBL_EXPBITS 11
-#define DBL_FRACBITS 52
-
-struct ieee_single {
- u_int sng_frac:23;
- u_int sng_exp:8;
- u_int sng_sign:1;
-};
-
-struct ieee_double {
- u_int dbl_fracl;
- u_int dbl_frach:20;
- u_int dbl_exp:11;
- u_int dbl_sign:1;
-};
-
-/*
- * Floats whose exponent is in [1..INFNAN) (of whatever type) are
- * `normal'. Floats whose exponent is INFNAN are either Inf or NaN.
- * Floats whose exponent is zero are either zero (iff all fraction
- * bits are zero) or subnormal values.
- *
- * A NaN is a `signalling NaN' if its QUIETNAN bit is clear in its
- * high fraction; if the bit is set, it is a `quiet NaN'.
- */
-#define SNG_EXP_INFNAN 255
-#define DBL_EXP_INFNAN 2047
-
-#if 0
-#define SNG_QUIETNAN (1 << 22)
-#define DBL_QUIETNAN (1 << 19)
-#endif
-
-/*
- * Exponent biases.
- */
-#define SNG_EXP_BIAS 127
-#define DBL_EXP_BIAS 1023
+#include <sys/ieee754.h>
diff --git a/sys/arch/powerpc/include/ieee.h b/sys/arch/powerpc/include/ieee.h
index d6e87779c06..90f452b1192 100644
--- a/sys/arch/powerpc/include/ieee.h
+++ b/sys/arch/powerpc/include/ieee.h
@@ -1,132 +1,3 @@
-/* $NetBSD: ieee.h,v 1.2 2003/08/07 16:29:18 agc Exp $ */
+/* $NetBSD: ieee.h,v 1.3 2003/10/26 20:55:30 kleink Exp $ */
-/*
- * Copyright (c) 1992, 1993
- * The Regents of the University of California. All rights reserved.
- *
- * This software was developed by the Computer Systems Engineering group
- * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
- * contributed to Berkeley.
- *
- * All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by the University of
- * California, Lawrence Berkeley Laboratory.
- *
- * 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.
- *
- * @(#)ieee.h 8.1 (Berkeley) 6/11/93
- */
-
-/*
- * ieee.h defines the machine-dependent layout of the machine's IEEE
- * floating point. It does *not* define (yet?) any of the rounding
- * mode bits, exceptions, and so forth.
- */
-
-/*
- * Define the number of bits in each fraction and exponent.
- *
- * k k+1
- * Note that 1.0 x 2 == 0.1 x 2 and that denorms are represented
- *
- * (-exp_bias+1)
- * as fractions that look like 0.fffff x 2 . This means that
- *
- * -126
- * the number 0.10000 x 2 , for instance, is the same as the normalized
- *
- * -127 -128
- * float 1.0 x 2 . Thus, to represent 2 , we need one leading zero
- *
- * -129
- * in the fraction; to represent 2 , we need two, and so on. This
- *
- * (-exp_bias-fracbits+1)
- * implies that the smallest denormalized number is 2
- *
- * for whichever format we are talking about: for single precision, for
- *
- * -126 -149
- * instance, we get .00000000000000000000001 x 2 , or 1.0 x 2 , and
- *
- * -149 == -127 - 23 + 1.
- */
-#define SNG_EXPBITS 8
-#define SNG_FRACBITS 23
-
-#define DBL_EXPBITS 11
-#define DBL_FRACBITS 52
-
-#define EXT_EXPBITS 15
-#define EXT_FRACBITS 112
-
-struct ieee_single {
- u_int sng_sign:1;
- u_int sng_exp:8;
- u_int sng_frac:23;
-};
-
-struct ieee_double {
- u_int dbl_sign:1;
- u_int dbl_exp:11;
- u_int dbl_frach:20;
- u_int dbl_fracl;
-};
-
-struct ieee_ext {
- u_int ext_sign:1;
- u_int ext_exp:15;
- u_int ext_frach:16;
- u_int ext_frachm;
- u_int ext_fraclm;
- u_int ext_fracl;
-};
-
-/*
- * Floats whose exponent is in [1..INFNAN) (of whatever type) are
- * `normal'. Floats whose exponent is INFNAN are either Inf or NaN.
- * Floats whose exponent is zero are either zero (iff all fraction
- * bits are zero) or subnormal values.
- *
- * A NaN is a `signalling NaN' if its QUIETNAN bit is clear in its
- * high fraction; if the bit is set, it is a `quiet NaN'.
- */
-#define SNG_EXP_INFNAN 255
-#define DBL_EXP_INFNAN 2047
-#define EXT_EXP_INFNAN 32767
-
-#if 0
-#define SNG_QUIETNAN (1 << 22)
-#define DBL_QUIETNAN (1 << 19)
-#define EXT_QUIETNAN (1 << 15)
-#endif
-
-/*
- * Exponent biases.
- */
-#define SNG_EXP_BIAS 127
-#define DBL_EXP_BIAS 1023
-#define EXT_EXP_BIAS 16383
+#include <sys/ieee754.h>
diff --git a/sys/arch/sh3/include/ieee.h b/sys/arch/sh3/include/ieee.h
index dabbcb5637a..d34df98e6a2 100644
--- a/sys/arch/sh3/include/ieee.h
+++ b/sys/arch/sh3/include/ieee.h
@@ -1,131 +1,3 @@
-/* $NetBSD: ieee.h,v 1.5 2003/08/07 16:29:28 agc Exp $ */
+/* $NetBSD: ieee.h,v 1.6 2003/10/26 20:55:30 kleink Exp $ */
-/*
- * Copyright (c) 1992, 1993
- * The Regents of the University of California. All rights reserved.
- *
- * This software was developed by the Computer Systems Engineering group
- * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
- * contributed to Berkeley.
- *
- * All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by the University of
- * California, Lawrence Berkeley Laboratory.
- *
- * 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.
- *
- * @(#)ieee.h 8.1 (Berkeley) 6/11/93
- */
-
-/*
- * ieee.h defines the machine-dependent layout of the machine's IEEE
- * floating point. It does *not* define (yet?) any of the rounding
- * mode bits, exceptions, and so forth.
- */
-
-/*
- * Define the number of bits in each fraction and exponent.
- *
- * k k+1
- * Note that 1.0 x 2 == 0.1 x 2 and that denorms are represented
- *
- * (-exp_bias+1)
- * as fractions that look like 0.fffff x 2 . This means that
- *
- * -126
- * the number 0.10000 x 2 , for instance, is the same as the normalized
- *
- * -127 -128
- * float 1.0 x 2 . Thus, to represent 2 , we need one leading zero
- *
- * -129
- * in the fraction; to represent 2 , we need two, and so on. This
- *
- * (-exp_bias-fracbits+1)
- * implies that the smallest denormalized number is 2
- *
- * for whichever format we are talking about: for single precision, for
- *
- * -126 -149
- * instance, we get .00000000000000000000001 x 2 , or 1.0 x 2 , and
- *
- * -149 == -127 - 23 + 1.
- */
-#define SNG_EXPBITS 8
-#define SNG_FRACBITS 23
-
-#define DBL_EXPBITS 11
-#define DBL_FRACBITS 52
-
-#ifndef _BYTE_ORDER
-#error Define _BYTE_ORDER!
-#endif
-
-#if _BYTE_ORDER == BIG_ENDIAN
-struct ieee_single {
- u_int sng_sign:1;
- u_int sng_exp:8;
- u_int sng_frac:23;
-};
-
-struct ieee_double {
- u_int dbl_sign:1;
- u_int dbl_exp:11;
- u_int dbl_frach:20;
- u_int dbl_fracl;
-};
-#endif
-#if _BYTE_ORDER == LITTLE_ENDIAN
-struct ieee_single {
- u_int sng_frac:23;
- u_int sng_exp:8;
- u_int sng_sign:1;
-};
-
-struct ieee_double {
- u_int dbl_fracl;
- u_int dbl_frach:20;
- u_int dbl_exp:11;
- u_int dbl_sign:1;
-};
-#endif
-/*
- * Floats whose exponent is in [1..INFNAN) (of whatever type) are
- * `normal'. Floats whose exponent is INFNAN are either Inf or NaN.
- * Floats whose exponent is zero are either zero (iff all fraction
- * bits are zero) or subnormal values.
- *
- * A NaN is a `signalling NaN' if its QUIETNAN bit is clear in its
- * high fraction; if the bit is set, it is a `quiet NaN'.
- */
-#define SNG_EXP_INFNAN 255
-#define DBL_EXP_INFNAN 2047
-
-/*
- * Exponent biases.
- */
-#define SNG_EXP_BIAS 127
-#define DBL_EXP_BIAS 1023
+#include <sys/ieee754.h>
diff --git a/sys/arch/sh5/include/ieee.h b/sys/arch/sh5/include/ieee.h
index 88de7f1fbc8..90f452b1192 100644
--- a/sys/arch/sh5/include/ieee.h
+++ b/sys/arch/sh5/include/ieee.h
@@ -1,131 +1,3 @@
-/* $NetBSD: ieee.h,v 1.2 2003/08/07 16:29:31 agc Exp $ */
+/* $NetBSD: ieee.h,v 1.3 2003/10/26 20:55:30 kleink Exp $ */
-/*
- * Copyright (c) 1992, 1993
- * The Regents of the University of California. All rights reserved.
- *
- * This software was developed by the Computer Systems Engineering group
- * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
- * contributed to Berkeley.
- *
- * All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by the University of
- * California, Lawrence Berkeley Laboratory.
- *
- * 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.
- *
- * @(#)ieee.h 8.1 (Berkeley) 6/11/93
- */
-
-/*
- * ieee.h defines the machine-dependent layout of the machine's IEEE
- * floating point. It does *not* define (yet?) any of the rounding
- * mode bits, exceptions, and so forth.
- */
-
-/*
- * Define the number of bits in each fraction and exponent.
- *
- * k k+1
- * Note that 1.0 x 2 == 0.1 x 2 and that denorms are represented
- *
- * (-exp_bias+1)
- * as fractions that look like 0.fffff x 2 . This means that
- *
- * -126
- * the number 0.10000 x 2 , for instance, is the same as the normalized
- *
- * -127 -128
- * float 1.0 x 2 . Thus, to represent 2 , we need one leading zero
- *
- * -129
- * in the fraction; to represent 2 , we need two, and so on. This
- *
- * (-exp_bias-fracbits+1)
- * implies that the smallest denormalized number is 2
- *
- * for whichever format we are talking about: for single precision, for
- *
- * -126 -149
- * instance, we get .00000000000000000000001 x 2 , or 1.0 x 2 , and
- *
- * -149 == -127 - 23 + 1.
- */
-#define SNG_EXPBITS 8
-#define SNG_FRACBITS 23
-
-#define DBL_EXPBITS 11
-#define DBL_FRACBITS 52
-
-#ifndef _BYTE_ORDER
-#error Define _BYTE_ORDER!
-#endif
-
-#if _BYTE_ORDER == BIG_ENDIAN
-struct ieee_single {
- u_int sng_sign:1;
- u_int sng_exp:8;
- u_int sng_frac:23;
-};
-
-struct ieee_double {
- u_int dbl_sign:1;
- u_int dbl_exp:11;
- u_int dbl_frach:20;
- u_int dbl_fracl;
-};
-#endif
-#if _BYTE_ORDER == LITTLE_ENDIAN
-struct ieee_single {
- u_int sng_frac:23;
- u_int sng_exp:8;
- u_int sng_sign:1;
-};
-
-struct ieee_double {
- u_int dbl_fracl;
- u_int dbl_frach:20;
- u_int dbl_exp:11;
- u_int dbl_sign:1;
-};
-#endif
-/*
- * Floats whose exponent is in [1..INFNAN) (of whatever type) are
- * `normal'. Floats whose exponent is INFNAN are either Inf or NaN.
- * Floats whose exponent is zero are either zero (iff all fraction
- * bits are zero) or subnormal values.
- *
- * A NaN is a `signalling NaN' if its QUIETNAN bit is clear in its
- * high fraction; if the bit is set, it is a `quiet NaN'.
- */
-#define SNG_EXP_INFNAN 255
-#define DBL_EXP_INFNAN 2047
-
-/*
- * Exponent biases.
- */
-#define SNG_EXP_BIAS 127
-#define DBL_EXP_BIAS 1023
+#include <sys/ieee754.h>
diff --git a/sys/arch/sparc/include/ieee.h b/sys/arch/sparc/include/ieee.h
index 86e854751a4..86c111690f7 100644
--- a/sys/arch/sparc/include/ieee.h
+++ b/sys/arch/sparc/include/ieee.h
@@ -1,4 +1,4 @@
-/* $NetBSD: ieee.h,v 1.4 2003/10/26 00:36:43 kleink Exp $ */
+/* $NetBSD: ieee.h,v 1.5 2003/10/26 20:55:31 kleink Exp $ */
/*
* Copyright (c) 1992, 1993
@@ -46,56 +46,18 @@
* mode bits, exceptions, and so forth.
*/
+#include <sys/ieee754.h>
+
/*
- * Define the number of bits in each fraction and exponent.
- *
- * k k+1
- * Note that 1.0 x 2 == 0.1 x 2 and that denorms are represented
- *
- * (-exp_bias+1)
- * as fractions that look like 0.fffff x 2 . This means that
- *
- * -126
- * the number 0.10000 x 2 , for instance, is the same as the normalized
- *
- * -127 -128
- * float 1.0 x 2 . Thus, to represent 2 , we need one leading zero
- *
- * -129
- * in the fraction; to represent 2 , we need two, and so on. This
- *
- * (-exp_bias-fracbits+1)
- * implies that the smallest denormalized number is 2
- *
- * for whichever format we are talking about: for single precision, for
- *
- * -126 -149
- * instance, we get .00000000000000000000001 x 2 , or 1.0 x 2 , and
- *
- * -149 == -127 - 23 + 1.
+ * The SPARC architecture defines the following IEEE 754 compliant
+ * 128-bit extended-precision format, which is supported only by the
+ * v9 toolchain.
*/
-#define SNG_EXPBITS 8
-#define SNG_FRACBITS 23
-
-#define DBL_EXPBITS 11
-#define DBL_FRACBITS 52
+#ifdef __arch64__
#define EXT_EXPBITS 15
#define EXT_FRACBITS 112
-struct ieee_single {
- u_int sng_sign:1;
- u_int sng_exp:8;
- u_int sng_frac:23;
-};
-
-struct ieee_double {
- u_int dbl_sign:1;
- u_int dbl_exp:11;
- u_int dbl_frach:20;
- u_int dbl_fracl;
-};
-
struct ieee_ext {
u_int ext_sign:1;
u_int ext_exp:15;
@@ -114,19 +76,14 @@ struct ieee_ext {
* A NaN is a `signalling NaN' if its QUIETNAN bit is clear in its
* high fraction; if the bit is set, it is a `quiet NaN'.
*/
-#define SNG_EXP_INFNAN 255
-#define DBL_EXP_INFNAN 2047
#define EXT_EXP_INFNAN 32767
#if 0
-#define SNG_QUIETNAN (1 << 22)
-#define DBL_QUIETNAN (1 << 19)
#define EXT_QUIETNAN (1 << 15)
#endif
/*
* Exponent biases.
*/
-#define SNG_EXP_BIAS 127
-#define DBL_EXP_BIAS 1023
#define EXT_EXP_BIAS 16383
+#endif /* __arch64__ */
diff --git a/sys/arch/x86/include/ieee.h b/sys/arch/x86/include/ieee.h
index c65fd9dc0e6..8cadb870ce9 100644
--- a/sys/arch/x86/include/ieee.h
+++ b/sys/arch/x86/include/ieee.h
@@ -1,4 +1,4 @@
-/* $NetBSD: ieee.h,v 1.4 2003/10/25 21:31:25 kleink Exp $ */
+/* $NetBSD: ieee.h,v 1.5 2003/10/26 20:55:31 kleink Exp $ */
/*
* Copyright (c) 1992, 1993
@@ -46,58 +46,13 @@
* mode bits, exceptions, and so forth.
*/
-/*
- * Define the number of bits in each fraction and exponent.
- *
- * k k+1
- * Note that 1.0 x 2 == 0.1 x 2 and that denorms are represented
- *
- * (-exp_bias+1)
- * as fractions that look like 0.fffff x 2 . This means that
- *
- * -126
- * the number 0.10000 x 2 , for instance, is the same as the normalized
- *
- * -127 -128
- * float 1.0 x 2 . Thus, to represent 2 , we need one leading zero
- *
- * -129
- * in the fraction; to represent 2 , we need two, and so on. This
- *
- * (-exp_bias-fracbits+1)
- * implies that the smallest denormalized number is 2
- *
- * for whichever format we are talking about: for single precision, for
- *
- * -126 -149
- * instance, we get .00000000000000000000001 x 2 , or 1.0 x 2 , and
- *
- * -149 == -127 - 23 + 1.
- */
-#define SNG_EXPBITS 8
-#define SNG_FRACBITS 23
-
-#define DBL_EXPBITS 11
-#define DBL_FRACBITS 52
+#include <sys/ieee754.h>
#define EXT_EXPBITS 15
#define EXT_FRACBITS 64
-struct ieee_single {
- u_int sng_frac:23;
- u_int sng_exp:8;
- u_int sng_sign:1;
-};
-
-struct ieee_double {
- u_int dbl_fracl;
- u_int dbl_frach:20;
- u_int dbl_exp:11;
- u_int dbl_sign:1;
-};
-
/*
- * Note that ieee_ext is the raw storage layout of the 80-bit
+ * struct ieee_ext is the raw storage layout of the 80-bit
* extended-precision type as implemented by the FPU. Per the
* respective ABI specifications, it is followed by a tail padding of
*
@@ -121,19 +76,13 @@ struct ieee_ext {
* A NaN is a `signalling NaN' if its QUIETNAN bit is clear in its
* high fraction; if the bit is set, it is a `quiet NaN'.
*/
-#define SNG_EXP_INFNAN 255
-#define DBL_EXP_INFNAN 2047
#define EXT_EXP_INFNAN 32767
#if 0
-#define SNG_QUIETNAN (1 << 22)
-#define DBL_QUIETNAN (1 << 19)
#define EXT_QUIETNAN (1 << 15)
#endif
/*
* Exponent biases.
*/
-#define SNG_EXP_BIAS 127
-#define DBL_EXP_BIAS 1023
#define EXT_EXP_BIAS 16383