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PowerPC floating point little-endian [5 of 15] 

http://sourceware.org/ml/libc-alpha/2013-08/msg00085.html

Rid ourselves of ieee854.

	* sysdeps/ieee754/ldbl-128ibm/ieee754.h (union ieee854_long_double):
	Delete.
	(IEEE854_LONG_DOUBLE_BIAS): Delete.
	* sysdeps/ieee754/ldbl-128ibm/math_ldbl.h: Don't include ieee854
	version of math_ldbl.h.
This commit is contained in:
Alan Modra 2013-08-17 18:26:39 +09:30
parent 650ef4bd79
commit 32c301dfc9
3 changed files with 8 additions and 56 deletions
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8
ChangeLog
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@ -1,3 +1,11 @@
2013-10-04 Alan Modra <amodra@gmail.com>
* sysdeps/ieee754/ldbl-128ibm/ieee754.h (union ieee854_long_double):
Delete.
(IEEE854_LONG_DOUBLE_BIAS): Delete.
* sysdeps/ieee754/ldbl-128ibm/math_ldbl.h: Don't include ieee854
version of math_ldbl.h.
2013-10-04 Alan Modra <amodra@gmail.com>
[BZ #15734], [BZ #15735]

55
sysdeps/ieee754/ldbl-128ibm/ieee754.h
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@ -111,61 +111,6 @@ union ieee754_double
#define IEEE754_DOUBLE_BIAS 0x3ff /* Added to exponent. */
union ieee854_long_double
{
long double d;
/* This is the IEEE 854 quad-precision format. */
struct
{
#if __BYTE_ORDER == __BIG_ENDIAN
unsigned int negative:1;
unsigned int exponent:15;
/* Together these comprise the mantissa. */
unsigned int mantissa0:16;
unsigned int mantissa1:32;
unsigned int mantissa2:32;
unsigned int mantissa3:32;
#endif /* Big endian. */
#if __BYTE_ORDER == __LITTLE_ENDIAN
/* Together these comprise the mantissa. */
unsigned int mantissa3:32;
unsigned int mantissa2:32;
unsigned int mantissa1:32;
unsigned int mantissa0:16;
unsigned int exponent:15;
unsigned int negative:1;
#endif /* Little endian. */
} ieee;
/* This format makes it easier to see if a NaN is a signalling NaN. */
struct
{
#if __BYTE_ORDER == __BIG_ENDIAN
unsigned int negative:1;
unsigned int exponent:15;
unsigned int quiet_nan:1;
/* Together these comprise the mantissa. */
unsigned int mantissa0:15;
unsigned int mantissa1:32;
unsigned int mantissa2:32;
unsigned int mantissa3:32;
#else
/* Together these comprise the mantissa. */
unsigned int mantissa3:32;
unsigned int mantissa2:32;
unsigned int mantissa1:32;
unsigned int mantissa0:15;
unsigned int quiet_nan:1;
unsigned int exponent:15;
unsigned int negative:1;
#endif
} ieee_nan;
};
#define IEEE854_LONG_DOUBLE_BIAS 0x3fff /* Added to exponent. */
/* IBM extended format for long double.
Each long double is made up of two IEEE doubles. The value of the

1
sysdeps/ieee754/ldbl-128ibm/math_ldbl.h
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@ -2,7 +2,6 @@
#error "Never use <math_ldbl.h> directly; include <math_private.h> instead."
#endif
#include <sysdeps/ieee754/ldbl-128/math_ldbl.h>
#include <ieee754.h>
#include <stdint.h>