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2006-12-03 Carlos O'Donell <carlos@systemhalted.org>

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* sysdeps/unix/sysv/linux/hppa/bits/atomic.h: Remove non-atomic
	versions. Adjust jump target to '0b'.

2006-12-03  Carlos O'Donell  <carlos@systemhalted.org>

	* sysdeps/hppa/Makefile: Set long-double-fcts to `no'.
	* sysdeps/hppa/fpu/libm-test-ulps: Regenerate.
	* sysdeps/hppa/fpu/bits/mathdef.h: New file.
This commit is contained in:
Carlos O'Donell 2006-12-03 23:03:20 +00:00
parent 5dde01821a
commit 3ad1f14c7a
5 changed files with 711 additions and 109 deletions
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11
ChangeLog.hppa
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@ -1,3 +1,14 @@
2006-12-03 Carlos O'Donell <carlos@systemhalted.org>
* sysdeps/unix/sysv/linux/hppa/bits/atomic.h: Remove non-atomic
versions. Adjust jump target to '0b'.
2006-12-03 Carlos O'Donell <carlos@systemhalted.org>
* sysdeps/hppa/Makefile: Set long-double-fcts to `no'.
* sysdeps/hppa/fpu/libm-test-ulps: Regenerate.
* sysdeps/hppa/fpu/bits/mathdef.h: New file.
2006-11-10 Carlos O'Donell <carlos@systemhalted.org>
* sysdeps/hppa/nptl/pthread_spin_init.c: New file.

5
sysdeps/hppa/Makefile
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@ -39,3 +39,8 @@ sysdep_routines += libgcc-compat
shared-only-routines += libgcc-compat
endif
endif
# We implement a 64-bit `long double'. The standard says we can do this.
# This means our `long double' and `double' are identical.
long-double-fcts = no

40
sysdeps/hppa/fpu/bits/mathdef.h Normal file
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@ -0,0 +1,40 @@
/* Copyright (C) 2006 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#if !defined _MATH_H && !defined _COMPLEX_H
# error "Never use <bits/mathdef.h> directly; include <math.h> instead"
#endif
#if defined __USE_ISOC99 && defined _MATH_H && !defined _MATH_H_MATHDEF
# define _MATH_H_MATHDEF 1
/* GCC does not promote `float' values to `double'. */
typedef float float_t; /* `float' expressions are evaluated as
`float'. */
typedef double double_t; /* `double' expressions are evaluated as
`double'. */
/* The values returned by `ilogb' for 0 and NaN respectively. */
# define FP_ILOGB0 (-2147483647)
# define FP_ILOGBNAN (2147483647)
#endif /* ISO C99 */
/* On hppa `long double' is 64-bits. */
#undef __NO_LONG_DOUBLE_MATH

727
sysdeps/hppa/fpu/libm-test-ulps
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37
sysdeps/unix/sysv/linux/hppa/bits/atomic.h
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@ -22,14 +22,10 @@
#include <abort-instr.h>
#include <kernel-features.h>
/* We need EFAULT, ENONSYS, and EAGAIN */
#if !defined EFAULT && !defined ENOSYS && !defined EAGAIN
#undef EFAULT
#undef ENOSYS
#undef EAGAIN
/* We need EFAULT, ENONSYS */
#if !defined EFAULT && !defined ENOSYS
#define EFAULT 14
#define ENOSYS 251
#define EAGAIN 11
#endif
#ifndef _BITS_ATOMIC_H
@ -57,10 +53,10 @@ typedef uintmax_t uatomic_max_t;
/* Use the kernel atomic light weight syscalls on hppa */
#define LWS "0xb0"
#define LWS_CAS 0x0
#define LWS_CAS "0"
/* Note r31 is the link register */
#define LWS_CLOBBER "r1", "r26", "r25", "r24", "r23", "r22", "r21", "r20", "r28", "r31", "memory"
#define ASM_EAGAIN -EAGAIN
#define ASM_EAGAIN "11"
#if __ASSUME_LWS_CAS
/* The only basic operation needed is compare and exchange. */
@ -74,8 +70,8 @@ typedef uintmax_t uatomic_max_t;
"copy %4, %%r25 \n\t" \
"copy %5, %%r24 \n\t" \
"ble " LWS "(%%sr2, %%r0) \n\t" \
"ldi 0, %%r20 \n\t" \
"cmpib,=,n " ASM_EAGAIN ",%%r21,0 \n\t" \
"ldi " LWS_CAS ", %%r20 \n\t" \
"cmpib,=,n " ASM_EAGAIN ",%%r21,0b \n\t" \
"nop \n\t" \
"stw %%r28, %0 \n\t" \
"sub %%r0, %%r21, %%r21 \n\t" \
@ -99,22 +95,9 @@ typedef uintmax_t uatomic_max_t;
(ret != oldval); \
})
#else
/* Non-atomic primitives. */
# define atomic_compare_and_exchange_val_acq(mem, newval, oldval) \
({ __typeof (mem) __gmemp = (mem); \
__typeof (*mem) __gret = *__gmemp; \
__typeof (*mem) __gnewval = (newval); \
\
if (__gret == (oldval)) \
*__gmemp = __gnewval; \
__gret; })
# error __ASSUME_LWS_CAS is required to build glibc.
#endif
/* __ASSUME_LWS_CAS */
# define atomic_compare_and_exchange_bool_acq(mem, newval, oldval) \
({ __typeof (mem) __gmemp = (mem); \
__typeof (*mem) __gnewval = (newval); \
\
*__gmemp == (oldval) ? (*__gmemp = __gnewval, 0) : 1; })
#endif
#endif /* bits/atomic.h */
/* _BITS_ATOMIC_H */