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.
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Carlos O'Donell
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5dde01821a
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3ad1f14c7a
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@ -1,3 +1,14 @@
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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
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versions. Adjust jump target to '0b'.
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2006-12-03 Carlos O'Donell <carlos@systemhalted.org>
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* sysdeps/hppa/Makefile: Set long-double-fcts to `no'.
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* sysdeps/hppa/fpu/libm-test-ulps: Regenerate.
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* sysdeps/hppa/fpu/bits/mathdef.h: New file.
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2006-11-10 Carlos O'Donell <carlos@systemhalted.org>
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* sysdeps/hppa/nptl/pthread_spin_init.c: New file.
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@ -39,3 +39,8 @@ sysdep_routines += libgcc-compat
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shared-only-routines += libgcc-compat
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endif
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endif
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# We implement a 64-bit `long double'. The standard says we can do this.
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# This means our `long double' and `double' are identical.
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long-double-fcts = no
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@ -0,0 +1,40 @@
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/* Copyright (C) 2006 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, write to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA. */
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#if !defined _MATH_H && !defined _COMPLEX_H
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# error "Never use <bits/mathdef.h> directly; include <math.h> instead"
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#endif
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#if defined __USE_ISOC99 && defined _MATH_H && !defined _MATH_H_MATHDEF
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# define _MATH_H_MATHDEF 1
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/* GCC does not promote `float' values to `double'. */
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typedef float float_t; /* `float' expressions are evaluated as
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`float'. */
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typedef double double_t; /* `double' expressions are evaluated as
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`double'. */
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/* The values returned by `ilogb' for 0 and NaN respectively. */
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# define FP_ILOGB0 (-2147483647)
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# define FP_ILOGBNAN (2147483647)
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#endif /* ISO C99 */
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/* On hppa `long double' is 64-bits. */
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#undef __NO_LONG_DOUBLE_MATH
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File diff suppressed because it is too large
Load Diff
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@ -22,14 +22,10 @@
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#include <abort-instr.h>
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#include <kernel-features.h>
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/* We need EFAULT, ENONSYS, and EAGAIN */
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#if !defined EFAULT && !defined ENOSYS && !defined EAGAIN
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#undef EFAULT
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#undef ENOSYS
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#undef EAGAIN
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/* We need EFAULT, ENONSYS */
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#if !defined EFAULT && !defined ENOSYS
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#define EFAULT 14
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#define ENOSYS 251
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#define EAGAIN 11
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#endif
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#ifndef _BITS_ATOMIC_H
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@ -57,10 +53,10 @@ typedef uintmax_t uatomic_max_t;
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/* Use the kernel atomic light weight syscalls on hppa */
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#define LWS "0xb0"
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#define LWS_CAS 0x0
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#define LWS_CAS "0"
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/* Note r31 is the link register */
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#define LWS_CLOBBER "r1", "r26", "r25", "r24", "r23", "r22", "r21", "r20", "r28", "r31", "memory"
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#define ASM_EAGAIN -EAGAIN
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#define ASM_EAGAIN "11"
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#if __ASSUME_LWS_CAS
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/* The only basic operation needed is compare and exchange. */
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@ -74,8 +70,8 @@ typedef uintmax_t uatomic_max_t;
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"copy %4, %%r25 \n\t" \
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"copy %5, %%r24 \n\t" \
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"ble " LWS "(%%sr2, %%r0) \n\t" \
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"ldi 0, %%r20 \n\t" \
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"cmpib,=,n " ASM_EAGAIN ",%%r21,0 \n\t" \
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"ldi " LWS_CAS ", %%r20 \n\t" \
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"cmpib,=,n " ASM_EAGAIN ",%%r21,0b \n\t" \
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"nop \n\t" \
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"stw %%r28, %0 \n\t" \
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"sub %%r0, %%r21, %%r21 \n\t" \
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@ -99,22 +95,9 @@ typedef uintmax_t uatomic_max_t;
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(ret != oldval); \
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})
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#else
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/* Non-atomic primitives. */
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# define atomic_compare_and_exchange_val_acq(mem, newval, oldval) \
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({ __typeof (mem) __gmemp = (mem); \
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__typeof (*mem) __gret = *__gmemp; \
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__typeof (*mem) __gnewval = (newval); \
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\
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if (__gret == (oldval)) \
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*__gmemp = __gnewval; \
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__gret; })
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# error __ASSUME_LWS_CAS is required to build glibc.
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#endif
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/* __ASSUME_LWS_CAS */
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# define atomic_compare_and_exchange_bool_acq(mem, newval, oldval) \
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({ __typeof (mem) __gmemp = (mem); \
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__typeof (*mem) __gnewval = (newval); \
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\
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*__gmemp == (oldval) ? (*__gmemp = __gnewval, 0) : 1; })
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#endif
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#endif /* bits/atomic.h */
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/* _BITS_ATOMIC_H */
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