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https://sourceware.org/git/glibc.git
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Update.
2001-02-08 Ulrich Drepper <drepper@redhat.com> * sysdeps/alpha/strrchr.S: Little optimization. Patch by Richard Henderson <rth@redhat.com>. * sysdeps/alpha/alphaev67/strrchr.S: New file. Contributed by Rick Gorton <rick.gorton@alpha-processor.com>.. 2001-02-08 kaz Kojima <kkojima@rr.iij4u.or.jp> * sysdeps/sh/sh3/setjmp.S (__sigsetjmp): Correct function name in the assembler end directive. pointer in FILE structure before calling _IO_init. correctly. For numbers ending in all zeros eat the zeros even before
This commit is contained in:
Ulrich Drepper
17
ChangeLog
17
ChangeLog
@ -1,3 +1,16 @@
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2001-02-08 Ulrich Drepper <drepper@redhat.com>
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* sysdeps/alpha/strrchr.S: Little optimization.
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Patch by Richard Henderson <rth@redhat.com>.
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* sysdeps/alpha/alphaev67/strrchr.S: New file.
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Contributed by Rick Gorton <rick.gorton@alpha-processor.com>..
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2001-02-08 kaz Kojima <kkojima@rr.iij4u.or.jp>
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* sysdeps/sh/sh3/setjmp.S (__sigsetjmp): Correct function name
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in the assembler end directive.
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2001-02-08 Andreas Jaeger <aj@suse.de>
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2001-02-08 Andreas Jaeger <aj@suse.de>
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* manual/stdio.texi (Closing Streams): Fix typos.
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* manual/stdio.texi (Closing Streams): Fix typos.
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@ -9,7 +22,7 @@
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Reported by Claus-Justus Heine <heine@instmath.rwth-aachen.de>.
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Reported by Claus-Justus Heine <heine@instmath.rwth-aachen.de>.
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* stdlib/strfmon.c [USE_IN_LIBIO]: Define lock variable and store
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* stdlib/strfmon.c [USE_IN_LIBIO]: Define lock variable and store
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point in FILE structure before calling _IO_init.
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pointer in FILE structure before calling _IO_init.
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* stdlib/Makefile: Add -D_IO_MTSAFE_IO to CFLAGS for strfmon and
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* stdlib/Makefile: Add -D_IO_MTSAFE_IO to CFLAGS for strfmon and
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strfmon_l if necessary.
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strfmon_l if necessary.
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Reported by Jury Gerold <gjury@grips.com>.
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Reported by Jury Gerold <gjury@grips.com>.
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@ -36,7 +49,7 @@
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* stdlib/strtod.c: Never stop prematurely reading digits before the
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* stdlib/strtod.c: Never stop prematurely reading digits before the
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decimal point is found. Compute exponent limit for negative exponents
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decimal point is found. Compute exponent limit for negative exponents
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correctly. For numbers ending in all zeros eat the zeroes even before
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correctly. For numbers ending in all zeros eat the zeros even before
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the decimal point if the exponent is negative [PR libc/2072].
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the decimal point if the exponent is negative [PR libc/2072].
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* stdlib/Makefile (tests): Add bug-strtod.
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* stdlib/Makefile (tests): Add bug-strtod.
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* stdlib/bug-strtod.c: New file.
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* stdlib/bug-strtod.c: New file.
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169
linuxthreads/sysdeps/unix/sysv/linux/sh/pt-initfini.c
Normal file
169
linuxthreads/sysdeps/unix/sysv/linux/sh/pt-initfini.c
Normal file
@ -0,0 +1,169 @@
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/* Special .init and .fini section support for SH. Linuxthread version.
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Copyright (C) 2000, 2001 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
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and/or modify it under the terms of the GNU Library General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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In addition to the permissions in the GNU Library General Public
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License, the Free Software Foundation gives you unlimited
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permission to link the compiled version of this file with other
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programs, and to distribute those programs without any restriction
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coming from the use of this file. (The Library General Public
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License restrictions do apply in other respects; for example, they
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cover modification of the file, and distribution when not linked
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into another program.)
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The GNU C Library is distributed in the hope that it will be
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useful, but WITHOUT ANY WARRANTY; without even the implied warranty
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of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU 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, 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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/* This file is compiled into assembly code which is then munged by a sed
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script into two files: crti.s and crtn.s.
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* crti.s puts a function prologue at the beginning of the
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.init and .fini sections and defines global symbols for
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those addresses, so they can be called as functions.
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* crtn.s puts the corresponding function epilogues
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in the .init and .fini sections. */
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__asm__ ("
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#include \"defs.h\"
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#define SHARED
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/*@HEADER_ENDS*/
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/*@TESTS_BEGIN*/
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/*@TESTS_END*/
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/*@_init_PROLOG_BEGINS*/
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.section .init
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.align 5
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.global _init
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.type _init,@function
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_init:
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mov.l r12,@-r15
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mov.l r14,@-r15
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sts.l pr,@-r15
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#ifdef SHARED
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mova .L22,r0
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mov.l .L22,r12
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add r0,r12
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mova .L24,r0
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mov.l .L24,r1
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add r0,r1
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jsr @r1
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nop
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mova .L23,r0
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mov.l .L23,r1
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add r0,r1
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#else
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mov.l .L24,r1
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jsr @r1
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nop
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mov.l .L23,r1
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#endif
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jsr @r1
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mov r15,r14
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bra 1f
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nop
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.align 2
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#ifdef SHARED
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.L22:
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.long _GLOBAL_OFFSET_TABLE_
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.L23:
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.long __gmon_start__@PLT
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.L24:
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.long __pthread_initialize_minimal@PLT
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#else
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.L23:
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.long __gmon_start__
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.L24:
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.long __pthread_initialize_minimal
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#endif
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.data
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.global __fpscr_values
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__fpscr_values:
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.long 0
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.long 0x80000
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.previous
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1:
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ALIGN
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END_INIT
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/*@_init_PROLOG_ENDS*/
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/*@_init_EPILOG_BEGINS*/
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.section .init
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mov r14,r15
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lds.l @r15+,pr
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mov.l @r15+,r14
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rts
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mov.l @r15+,r12
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END_INIT
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.section .text
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.align 5
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.weak __gmon_start__
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.type __gmon_start__,@function
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__gmon_start__:
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mov.l r14,@-r15
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mov r15,r14
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mov r14,r15
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rts
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mov.l @r15+,r14
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/*@_init_EPILOG_ENDS*/
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/*@_fini_PROLOG_BEGINS*/
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.section .fini
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.align 5
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.global _fini
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.type _fini,@function
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_fini:
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mov.l r12,@-r15
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mov.l r14,@-r15
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sts.l pr,@-r15
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#ifdef SHARED
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mova .L27,r0
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mov.l .L27,r12
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add r0,r12
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#endif
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mov r15,r14
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ALIGN
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END_FINI
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#ifdef SHARED
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bra 1f
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nop
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.align 2
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.L27:
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.long _GLOBAL_OFFSET_TABLE_
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#endif
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1:
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/*@_fini_PROLOG_ENDS*/
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/*@_fini_EPILOG_BEGINS*/
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.section .fini
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mov r14,r15
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lds.l @r15+,pr
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mov.l @r15+,r14
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rts
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mov.l @r15+,r12
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END_FINI
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/*@_fini_EPILOG_ENDS*/
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/*@TRAILER_BEGINS*/
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");
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117
sysdeps/alpha/alphaev67/strrchr.S
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117
sysdeps/alpha/alphaev67/strrchr.S
Normal file
@ -0,0 +1,117 @@
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/* Copyright (C) 2000 Free Software Foundation, Inc.
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EV67 optimized by Rick Gorton <rick.gorton@alpha-processor.com>.
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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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/* Return the address of the last occurrence of a given character
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within a null-terminated string, or null if it is not found. */
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#include <sysdep.h>
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.arch ev6
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.set noreorder
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.set noat
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ENTRY(strrchr)
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#ifdef PROF
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ldgp gp, 0(pv)
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lda AT, _mcount
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jsr AT, (AT), _mcount
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.prologue 1
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#else
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.prologue 0
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#endif
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and a1, 0xff, t2 # E : 00000000000000ch
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insbl a1, 1, t4 # U : 000000000000ch00
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insbl a1, 2, t5 # U : 0000000000ch0000
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ldq_u t0, 0(a0) # L : load first quadword Latency=3
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mov zero, t6 # E : t6 is last match aligned addr
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or t2, t4, a1 # E : 000000000000chch
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sll t5, 8, t3 # U : 00000000ch000000
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mov zero, t8 # E : t8 is last match byte compare mask
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andnot a0, 7, v0 # E : align source addr
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or t5, t3, t3 # E : 00000000chch0000
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sll a1, 32, t2 # U : 0000chch00000000
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sll a1, 48, t4 # U : chch000000000000
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or t4, a1, a1 # E : chch00000000chch
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or t2, t3, t2 # E : 0000chchchch0000
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or a1, t2, a1 # E : chchchchchchchch
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lda t5, -1 # E : build garbage mask
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cmpbge zero, t0, t1 # E : bits set iff byte == zero
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mskqh t5, a0, t4 # E : Complete garbage mask
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xor t0, a1, t2 # E : make bytes == c zero
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cmpbge zero, t4, t4 # E : bits set iff byte is garbage
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cmpbge zero, t2, t3 # E : bits set iff byte == c
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andnot t1, t4, t1 # E : clear garbage from null test
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andnot t3, t4, t3 # E : clear garbage from char test
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bne t1, $eos # U : did we already hit the terminator?
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/* Character search main loop */
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$loop:
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ldq t0, 8(v0) # L : load next quadword
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cmovne t3, v0, t6 # E : save previous comparisons match
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nop # : Latency=2, extra map slot (keep nop with cmov)
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nop
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cmovne t3, t3, t8 # E : Latency=2, extra map slot
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|
nop # : keep with cmovne
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addq v0, 8, v0 # E :
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|
xor t0, a1, t2 # E :
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|
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|
cmpbge zero, t0, t1 # E : bits set iff byte == zero
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|
cmpbge zero, t2, t3 # E : bits set iff byte == c
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|
beq t1, $loop # U : if we havnt seen a null, loop
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|
nop
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|
/* Mask out character matches after terminator */
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$eos:
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|
negq t1, t4 # E : isolate first null byte match
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|
and t1, t4, t4 # E :
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|
subq t4, 1, t5 # E : build a mask of the bytes upto...
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or t4, t5, t4 # E : ... and including the null
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|
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||||||
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and t3, t4, t3 # E : mask out char matches after null
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|
cmovne t3, t3, t8 # E : save it, if match found Latency=2, extra map slot
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|
nop # : Keep with cmovne
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|
nop
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||||||
|
|
||||||
|
cmovne t3, v0, t6 # E :
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|
nop # : Keep with cmovne
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|
/* Locate the address of the last matched character */
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|
ctlz t8, t2 # U0 : Latency=3 (0x40 for t8=0)
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|
nop
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||||||
|
|
||||||
|
cmoveq t8, 0x3f, t2 # E : Compensate for case when no match is seen
|
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|
nop # E : hide the cmov latency (2) behind ctlz latency
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||||||
|
lda t5, 0x3f($31) # E :
|
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|
subq t5, t2, t5 # E : Normalize leading zero count
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||||||
|
|
||||||
|
addq t6, t5, v0 # E : and add to quadword address
|
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|
ret # L0 : Latency=3
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|
nop
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||||||
|
nop
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||||||
|
|
||||||
|
END(strrchr)
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||||||
|
|
||||||
|
weak_alias (strrchr, rindex)
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@ -39,7 +39,7 @@ ENTRY(strrchr)
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.prologue 0
|
.prologue 0
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#endif
|
#endif
|
||||||
|
|
||||||
zapnot a1, 1, a1 # e0 : zero extend our test character
|
and a1, 0xff, a1 # e0 : zero extend our test character
|
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mov zero, t6 # .. e1 : t6 is last match aligned addr
|
mov zero, t6 # .. e1 : t6 is last match aligned addr
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sll a1, 8, t5 # e0 : replicate our test character
|
sll a1, 8, t5 # e0 : replicate our test character
|
||||||
mov zero, t7 # .. e1 : t7 is last match byte compare mask
|
mov zero, t7 # .. e1 : t7 is last match byte compare mask
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||||||
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@ -61,4 +61,4 @@ ENTRY (__sigsetjmp)
|
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.L1:
|
.L1:
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.long C_SYMBOL_NAME(__sigjmp_save)
|
.long C_SYMBOL_NAME(__sigjmp_save)
|
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#endif
|
#endif
|
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END (__setjmp)
|
END (__sigsetjmp)
|
||||||
|
|||||||
Reference in New Issue
Block a user