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Update.
1999-01-29 Richard Henderson <rth@twiddle.net>
* scripts/config.sub: Recognize alpha{pca5[67],ev[67]}.
* sysdeps/generic/elf/backtracesyms.c (__backtrace_symbols):
Format pointer differences as longs.
* sysdeps/alpha/fpu/s_floor.c, sysdeps/alpha/fpu/s_floorf.c:
Copy commentary from bits/mathinclude.h. Kill unused defines.
* sysdeps/alpha/atomicity.h: New file.
This commit is contained in:
Ulrich Drepper
parent
21ab6fb6bc
commit
6eaccb759a
12
ChangeLog
12
ChangeLog
@ -1,3 +1,15 @@
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1999-01-29 Richard Henderson <rth@twiddle.net>
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* scripts/config.sub: Recognize alpha{pca5[67],ev[67]}.
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* sysdeps/generic/elf/backtracesyms.c (__backtrace_symbols):
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Format pointer differences as longs.
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* sysdeps/alpha/fpu/s_floor.c, sysdeps/alpha/fpu/s_floorf.c:
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Copy commentary from bits/mathinclude.h. Kill unused defines.
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* sysdeps/alpha/atomicity.h: New file.
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1999-01-29 Ulrich Drepper <drepper@cygnus.com>
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* version.h (VERSION): Bump to 2.0.112.
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@ -314,6 +314,7 @@ static int pthread_handle_create(pthread_t *thread, const pthread_attr_t *attr,
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&guardaddr, &guardsize) == 0)
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break;
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}
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__pthread_handles_num++;
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/* Allocate new thread identifier */
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pthread_threads_counter += PTHREAD_THREADS_MAX;
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new_thread_id = sseg + pthread_threads_counter;
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6
scripts/config.sub
vendored
6
scripts/config.sub
vendored
@ -152,7 +152,8 @@ case $basic_machine in
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tahoe | i860 | m32r | m68k | m68000 | m88k | ns32k | arc | arm \
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| arme[lb] | pyramid | mn10200 | mn10300 | tron | a29k \
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| 580 | i960 | h8300 | hppa | hppa1.0 | hppa1.1 | hppa2.0 \
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| alpha | alphaev5 | alphaev56 | we32k | ns16k | clipper \
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| alpha | alphaev5 | alphaev56 | alphapca56 | alphaev6 \
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| alphapca57 | alphaev7 | we32k | ns16k | clipper \
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| i370 | sh | powerpc | powerpcle | 1750a | dsp16xx | pdp11 \
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| mips64 | mipsel | mips64el | mips64orion | mips64orionel \
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| mipstx39 | mipstx39el | armv[34][lb] \
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@ -176,7 +177,8 @@ case $basic_machine in
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| mips-* | pyramid-* | tron-* | a29k-* | romp-* | rs6000-* \
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| power-* | none-* | 580-* | cray2-* | h8300-* | i960-* \
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| xmp-* | ymp-* | hppa-* | hppa1.0-* | hppa1.1-* | hppa2.0-* \
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| alpha-* | alphaev5-* | alphaev56-* | we32k-* | cydra-* \
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| alpha-* | alphaev5-* | alphaev56-* | alphapca56-* \
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| alphaev6-* | alphapca57-* | alphaev7-* | we32k-* | cydra-* \
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| ns16k-* | pn-* | np1-* | xps100-* | clipper-* | orion-* \
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| sparclite-* | pdp11-* | sh-* | powerpc-* | powerpcle-* \
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| sparc64-* | mips64-* | mipsel-* | armv[34][lb]-* \
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102
sysdeps/alpha/atomicity.h
Normal file
102
sysdeps/alpha/atomicity.h
Normal file
@ -0,0 +1,102 @@
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/* Low-level functions for atomic operations. Alpha version.
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Copyright (C) 1999 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 Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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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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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If not,
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write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#ifndef _ATOMICITY_H
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#define _ATOMICITY_H 1
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#include <inttypes.h>
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static inline int
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__attribute__ ((unused))
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exchange_and_add (volatile uint32_t *mem, int val)
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{
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register int result, tmp;
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__asm__ __volatile__ (
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"/* Inline exchange & add */\n"
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"1:\t"
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"ldl_l %0,%3\n\t"
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"addl %0,%4,%1\n\t"
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"stl_c %1,%2\n\t"
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"beq %1,2f\n"
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".subsection 2\n"
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"2:\t"
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"br 1b\n"
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".subsection 1\n\t"
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"mb\n\t"
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"/* End exchange & add */"
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: "=&r"(result), "=&r"(tmp), "=m"(*mem)
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: "m" (*mem), "r"(val));
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return result;
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}
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static inline void
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__attribute__ ((unused))
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atomic_add (volatile uint32_t *mem, int val)
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{
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register int result;
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__asm__ __volatile__ (
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"/* Inline exchange & add */\n"
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"1:\t"
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"ldl_l %0,%2\n\t"
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"addl %0,%3,%0\n\t"
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"stl_c %0,%1\n\t"
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"beq %0,2f\n\t"
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".subsection 2\n"
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"2:\t"
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"br 1b\n"
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".subsection 1\n\t"
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"mb\n\t"
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"/* End exchange & add */"
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: "=&r"(result), "=m"(*mem)
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: "m" (*mem), "r"(val));
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}
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static inline long
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__attribute__ ((unused))
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compare_and_swap (volatile long int *p, long int oldval, long int newval)
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{
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long int ret;
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__asm__ __volatile__ (
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"/* Inline compare & swap */\n"
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"1:\t"
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"ldq_l %0,%4\n\t"
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"cmpeq %0,%2,%0\n\t"
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"beq %0,3f\n\t"
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"mov %3,%0\n\t"
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"stq_c %0,%1\n\t"
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"beq %0,2f\n\t"
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".subsection 2\n"
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"2:\t"
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"br 1b\n"
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".subsection 1\n\t"
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"3:\t"
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"mb\n\t"
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"/* End compare & swap */"
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: "=&r"(ret), "=m"(*p)
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: "r"(oldval), "r"(newval), "m"(*p));
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return ret;
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}
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#endif /* atomicity.h */
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@ -17,18 +17,17 @@
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write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#ifndef __USE_EXTERN_INLINES
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#define __USE_EXTERN_INLINES
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#endif
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#define __floor __i_floor
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#include <math.h>
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#undef __floor
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/* Use the -inf rounding mode conversion instructions to implement
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floor. We note when the exponent is large enough that the value
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must be integral, as this avoids unpleasant integer overflows. */
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double
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__floor (double x)
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{
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/* Check not zero since floor(-0) == -0. */
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if (x != 0 && fabs (x) < 9007199254740992.0) /* 1 << DBL_MANT_DIG */
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{
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double __tmp1;
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@ -17,14 +17,12 @@
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write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#ifndef __USE_EXTERN_INLINES
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#define __USE_EXTERN_INLINES
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#endif
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#define __floorf __i_floorf
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#include <math.h>
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#undef __floorf
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/* Use the -inf rounding mode conversion instructions to implement
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floor. We note when the exponent is large enough that the value
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must be integral, as this avoids unpleasant integer overflows. */
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float
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__floorf (float x)
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@ -37,7 +35,7 @@ __floorf (float x)
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convert back to S_Floating in the end. The initial
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conversion to T_Floating is needed to handle denormals. */
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float __tmp1, __tmp2;
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float tmp1, tmp2;
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__asm ("cvtst/s %3,%2\n\t"
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#ifdef _IEEE_FP_INEXACT
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@ -46,7 +44,7 @@ __floorf (float x)
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"cvttq/svm %2,%1\n\t"
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#endif
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"cvtqt/m %1,%0\n\t"
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: "=f"(x), "=&f"(__tmp1), "=&f"(__tmp2)
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: "=f"(x), "=&f"(tmp1), "=&f"(tmp2)
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: "f"(x));
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}
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return x;
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@ -1,5 +1,5 @@
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/* Return list with names for address in backtrace.
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Copyright (C) 1998 Free Software Foundation, Inc.
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Copyright (C) 1998, 1999 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Ulrich Drepper <drepper@cygnus.com>, 1998.
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@ -76,9 +76,11 @@ __backtrace_symbols (array, size)
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char buf[20];
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if (array[cnt] >= (void *) info[cnt].dli_saddr)
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sprintf (buf, "+0x%x", array[cnt] - info[cnt].dli_saddr);
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sprintf (buf, "+%#lx",
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(unsigned long)(array[cnt] - info[cnt].dli_saddr));
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else
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sprintf (buf, "-0x%x", info[cnt].dli_saddr - array[cnt]);
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sprintf (buf, "-%#lx",
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(unsigned long)(info[cnt].dli_saddr - array[cnt]));
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last += 1 + sprintf (last, "%s%s%s%s%s[%p]",
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info[cnt].dli_fname ?: "",
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