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glibc-testsuite.openSUSE_Leap_42.2_Update
0021-S390-Optimize-strchrnul-and-wcschrnul.patch
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File 0021-S390-Optimize-strchrnul-and-wcschrnul.patch of Package glibc-testsuite.openSUSE_Leap_42.2_Update
2015-08-26 Stefan Liebler <stli@linux.vnet.ibm.com> * sysdeps/s390/multiarch/strchrnul-c.c: New File. * sysdeps/s390/multiarch/strchrnul-vx.S: Likewise. * sysdeps/s390/multiarch/strchrnul.c: Likewise. * sysdeps/s390/multiarch/wcschrnul-c.c: Likewise. * sysdeps/s390/multiarch/wcschrnul-vx.S: Likewise. * sysdeps/s390/multiarch/wcschrnul.c: Likewise. * sysdeps/s390/multiarch/Makefile (sysdep_routines): Add strchrnul and wcschrnul functions. * sysdeps/s390/multiarch/ifunc-impl-list.c (__libc_ifunc_impl_list): Add ifunc test for strchrnul, wcschrnul. * wcsmbs/wcschrnul.c: Use WCSCHRNUL if defined. * string/test-strchr.c: Add wcschrnul support. * wcsmbs/test-wcschrnul.c: New File. * wcsmbs/Makefile (strop-tests): Add wcschrnul. * benchtests/bench-strchr.c: Add wcschrnul support. * benchtests/bench-wcschrnul.c: New File. * benchtests/Makefile (wcsmbs-bench): Add wcschrnul. Index: glibc-2.22/benchtests/Makefile =================================================================== --- glibc-2.22.orig/benchtests/Makefile +++ glibc-2.22/benchtests/Makefile @@ -37,7 +37,7 @@ string-bench := bcopy bzero memccpy memc strspn strstr strcpy_chk stpcpy_chk memrchr strsep strtok \ strcoll wcsmbs-bench := wcslen wcsnlen wcscpy wcpcpy wcsncpy wcpncpy wcscat wcsncat \ - wcscmp wcsncmp wcschr + wcscmp wcsncmp wcschr wcschrnul string-bench-all := $(string-bench) ${wcsmbs-bench} # We have to generate locales Index: glibc-2.22/benchtests/bench-strchr.c =================================================================== --- glibc-2.22.orig/benchtests/bench-strchr.c +++ glibc-2.22/benchtests/bench-strchr.c @@ -22,10 +22,14 @@ # define TEST_NAME "strchrnul" # else # define TEST_NAME "strchr" -# endif +# endif /* !USE_FOR_STRCHRNUL */ #else -# define TEST_NAME "wcschr" -#endif +# ifdef USE_FOR_STRCHRNUL +# define TEST_NAME "wcschrnul" +# else +# define TEST_NAME "wcschr" +# endif /* !USE_FOR_STRCHRNUL */ +#endif /* WIDE */ #include "bench-string.h" #ifndef WIDE @@ -35,7 +39,7 @@ # define simple_STRCHR simple_STRCHRNUL # else # define STRCHR strchr -# endif +# endif /* !USE_FOR_STRCHRNUL */ # define STRLEN strlen # define CHAR char # define BIG_CHAR CHAR_MAX @@ -44,20 +48,26 @@ # define UCHAR unsigned char #else # include <wchar.h> -# define STRCHR wcschr +# ifdef USE_FOR_STRCHRNUL +# define STRCHR wcschrnul +# define stupid_STRCHR stupid_WCSCHRNUL +# define simple_STRCHR simple_WCSCHRNUL +# else +# define STRCHR wcschr +# endif /* !USE_FOR_STRCHRNUL */ # define STRLEN wcslen # define CHAR wchar_t # define BIG_CHAR WCHAR_MAX # define MIDDLE_CHAR 1121 # define SMALL_CHAR 851 # define UCHAR wchar_t -#endif +#endif /* WIDE */ #ifdef USE_FOR_STRCHRNUL # define NULLRET(endptr) endptr #else # define NULLRET(endptr) NULL -#endif +#endif /* !USE_FOR_STRCHRNUL */ typedef CHAR *(*proto_t) (const CHAR *, int); Index: glibc-2.22/benchtests/bench-wcschrnul.c =================================================================== --- /dev/null +++ glibc-2.22/benchtests/bench-wcschrnul.c @@ -0,0 +1,20 @@ +/* Measure wcschrnul functions. + Copyright (C) 2015 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, see + <http://www.gnu.org/licenses/>. */ + +#define WIDE 1 +#include "bench-strchrnul.c" Index: glibc-2.22/string/test-strchr.c =================================================================== --- glibc-2.22.orig/string/test-strchr.c +++ glibc-2.22/string/test-strchr.c @@ -1,4 +1,4 @@ -/* Test and measure STRCHR functions. +/* Test STRCHR functions. Copyright (C) 1999-2015 Free Software Foundation, Inc. This file is part of the GNU C Library. Written by Jakub Jelinek <jakub@redhat.com>, 1999. @@ -24,10 +24,14 @@ # define TEST_NAME "strchrnul" # else # define TEST_NAME "strchr" -# endif +# endif /* !USE_FOR_STRCHRNUL */ #else -# define TEST_NAME "wcschr" -#endif +# ifdef USE_FOR_STRCHRNUL +# define TEST_NAME "wcschrnul" +# else +# define TEST_NAME "wcschr" +# endif /* !USE_FOR_STRCHRNUL */ +#endif /* WIDE */ #include "test-string.h" #ifndef WIDE @@ -37,7 +41,7 @@ # define simple_STRCHR simple_STRCHRNUL # else # define STRCHR strchr -# endif +# endif /* !USE_FOR_STRCHRNUL */ # define STRLEN strlen # define CHAR char # define BIG_CHAR CHAR_MAX @@ -47,7 +51,13 @@ # define L(s) s #else # include <wchar.h> -# define STRCHR wcschr +# ifdef USE_FOR_STRCHRNUL +# define STRCHR wcschrnul +# define stupid_STRCHR stupid_WCSCHRNUL +# define simple_STRCHR simple_WCSCHRNUL +# else +# define STRCHR wcschr +# endif /* !USE_FOR_STRCHRNUL */ # define STRLEN wcslen # define CHAR wchar_t # define BIG_CHAR WCHAR_MAX @@ -55,13 +65,13 @@ # define SMALL_CHAR 851 # define UCHAR wchar_t # define L(s) L ## s -#endif +#endif /* WIDE */ #ifdef USE_FOR_STRCHRNUL # define NULLRET(endptr) endptr #else # define NULLRET(endptr) NULL -#endif +#endif /* !USE_FOR_STRCHRNUL */ typedef CHAR *(*proto_t) (const CHAR *, int); Index: glibc-2.22/sysdeps/s390/multiarch/Makefile =================================================================== --- glibc-2.22.orig/sysdeps/s390/multiarch/Makefile +++ glibc-2.22/sysdeps/s390/multiarch/Makefile @@ -9,7 +9,8 @@ sysdep_routines += strlen strlen-vx strl strncat strncat-vx strncat-c \ strcmp strcmp-vx \ strncmp strncmp-vx strncmp-c \ - strchr strchr-vx strchr-c + strchr strchr-vx strchr-c \ + strchrnul strchrnul-vx strchrnul-c endif ifeq ($(subdir),wcsmbs) @@ -23,5 +24,6 @@ sysdep_routines += wcslen wcslen-vx wcsl wcsncat wcsncat-vx wcsncat-c \ wcscmp wcscmp-vx wcscmp-c \ wcsncmp wcsncmp-vx wcsncmp-c \ - wcschr wcschr-vx wcschr-c + wcschr wcschr-vx wcschr-c \ + wcschrnul wcschrnul-vx wcschrnul-c endif Index: glibc-2.22/sysdeps/s390/multiarch/ifunc-impl-list.c =================================================================== --- glibc-2.22.orig/sysdeps/s390/multiarch/ifunc-impl-list.c +++ glibc-2.22/sysdeps/s390/multiarch/ifunc-impl-list.c @@ -112,6 +112,9 @@ __libc_ifunc_impl_list (const char *name IFUNC_VX_IMPL (strchr); IFUNC_VX_IMPL (wcschr); + IFUNC_VX_IMPL (strchrnul); + IFUNC_VX_IMPL (wcschrnul); + #endif /* HAVE_S390_VX_ASM_SUPPORT */ return i; Index: glibc-2.22/sysdeps/s390/multiarch/strchrnul-c.c =================================================================== --- /dev/null +++ glibc-2.22/sysdeps/s390/multiarch/strchrnul-c.c @@ -0,0 +1,26 @@ +/* Default strchrnul implementation for S/390. + Copyright (C) 2015 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, see + <http://www.gnu.org/licenses/>. */ + +#if defined HAVE_S390_VX_ASM_SUPPORT && IS_IN (libc) +# define STRCHRNUL __strchrnul_c +# define __strchrnul STRCHRNUL +# undef weak_alias +# define weak_alias(name, alias) + +# include <string/strchrnul.c> +#endif Index: glibc-2.22/sysdeps/s390/multiarch/strchrnul-vx.S =================================================================== --- /dev/null +++ glibc-2.22/sysdeps/s390/multiarch/strchrnul-vx.S @@ -0,0 +1,93 @@ +/* Vector optimized 32/64 bit S/390 version of strchrnul. + Copyright (C) 2015 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, see + <http://www.gnu.org/licenses/>. */ + +#if defined HAVE_S390_VX_ASM_SUPPORT && IS_IN (libc) + +# include "sysdep.h" +# include "asm-syntax.h" + + .text + +/* char *strchrnul (const char *s, int c) + Returns pointer to first c or to \0 if c not found. + + Register usage: + -r1=tmp + -r2=s and return pointer + -r3=c + -r4=tmp + -r5=current_len + -v16=part of s + -v18=vector with c replicated in every byte +*/ +ENTRY(__strchrnul_vx) + .machine "z13" + .machinemode "zarch_nohighgprs" + + vlbb %v16,0(%r2),6 /* Load s until next 4k-byte boundary. */ + lcbb %r1,0(%r2),6 /* Get bytes to 4k-byte boundary or 16. */ + + lghi %r5,0 /* current_len = 0. */ + + vlvgb %v18,%r3,0 /* Generate vector which elements are all c. + If c > 255, c will be truncated. */ + vrepb %v18,%v18,0 + + vfeezbs %v16,%v16,%v18 /* Find element equal with zero search. */ + vlgvb %r4,%v16,7 /* Load byte index of character or zero. */ + clrjl %r4,%r1,.Lfound /* Return if c/zero is in loaded bytes. */ + + /* Align s to 16 byte. */ + risbgn %r4,%r2,60,128+63,0 /* %r3 = bits 60-63 of %r2 'and' 15. */ + lghi %r5,16 /* current_len = 16. */ + slr %r5,%r4 /* Compute bytes to 16bytes boundary. */ + + /* Find c/zero in 16byte aligned loop */ +.Lloop: + vl %v16,0(%r5,%r2) /* Load s */ + vfeezbs %v16,%v16,%v18 /* Find element equal with zero search. */ + jno .Lfound /* Found c/zero (cc=0|1|2). */ + vl %v16,16(%r5,%r2) + vfeezbs %v16,%v16,%v18 + jno .Lfound16 + vl %v16,32(%r5,%r2) + vfeezbs %v16,%v16,%v18 + jno .Lfound32 + vl %v16,48(%r5,%r2) + vfeezbs %v16,%v16,%v18 + jno .Lfound48 + + aghi %r5,64 + j .Lloop /* No character and no zero -> loop. */ + + /* Found character or zero */ +.Lfound48: + aghi %r5,16 +.Lfound32: + aghi %r5,16 +.Lfound16: + aghi %r5,16 +.Lfound: + vlgvb %r1,%v16,7 /* Load byte index of character. */ + algr %r5,%r1 + la %r2,0(%r5,%r2) /* Return pointer to character. */ + +.Lend: + br %r14 +END(__strchrnul_vx) +#endif /* HAVE_S390_VX_ASM_SUPPORT && IS_IN (libc) */ Index: glibc-2.22/sysdeps/s390/multiarch/strchrnul.c =================================================================== --- /dev/null +++ glibc-2.22/sysdeps/s390/multiarch/strchrnul.c @@ -0,0 +1,28 @@ +/* Multiple versions of strchrnul. + Copyright (C) 2015 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, see + <http://www.gnu.org/licenses/>. */ + +#if defined HAVE_S390_VX_ASM_SUPPORT && IS_IN (libc) +# include <string.h> +# include <ifunc-resolve.h> + +s390_vx_libc_ifunc (__strchrnul) +weak_alias (__strchrnul, strchrnul) + +#else +# include <string/strchrnul.c> +#endif /* !(defined HAVE_S390_VX_ASM_SUPPORT && IS_IN (libc)) */ Index: glibc-2.22/sysdeps/s390/multiarch/wcschrnul-c.c =================================================================== --- /dev/null +++ glibc-2.22/sysdeps/s390/multiarch/wcschrnul-c.c @@ -0,0 +1,25 @@ +/* Default wcschrnul implementation for S/390. + Copyright (C) 2015 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, see + <http://www.gnu.org/licenses/>. */ + +#if defined HAVE_S390_VX_ASM_SUPPORT && IS_IN (libc) +# define WCSCHRNUL __wcschrnul_c + +# include <wchar.h> +extern __typeof (__wcschrnul) __wcschrnul_c; +# include <wcsmbs/wcschrnul.c> +#endif Index: glibc-2.22/sysdeps/s390/multiarch/wcschrnul-vx.S =================================================================== --- /dev/null +++ glibc-2.22/sysdeps/s390/multiarch/wcschrnul-vx.S @@ -0,0 +1,97 @@ +/* Vector optimized 32/64 bit S/390 version of wcschrnul. + Copyright (C) 2015 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, see + <http://www.gnu.org/licenses/>. */ + +#if defined HAVE_S390_VX_ASM_SUPPORT && IS_IN (libc) + +# include "sysdep.h" +# include "asm-syntax.h" + + .text + +/* wchar_t* wcschrnul (const wchar_t *s, wchar_t c) + Returns pointer to first c or to \0 if c not found. + + Register usage: + -r1=tmp + -r2=s and return pointer + -r3=c + -r4=tmp + -r5=current_len + -v16=part of s + -v18=vector with c replicated in every byte +*/ +ENTRY(__wcschrnul_vx) + .machine "z13" + .machinemode "zarch_nohighgprs" + + vlbb %v16,0(%r2),6 /* Load s until next 4k-byte boundary. */ + lcbb %r1,0(%r2),6 /* Get bytes to 4k-byte boundary or 16. */ + + tmll %r2,3 /* Test if s is 4-byte aligned? */ + jne .Lfallback /* And use common-code variant if not. */ + + lghi %r5,0 /* current_len = 0. */ + + vlvgf %v18,%r3,0 /* Generate vector which elements are all c. */ + vrepf %v18,%v18,0 + + vfeezfs %v16,%v16,%v18 /* Find element equal with zero search. */ + vlgvb %r4,%v16,7 /* Load byte index of character or zero. */ + clrjl %r4,%r1,.Lfound /* Return if c/zero is in loaded bytes. */ + + /* Align s to 16 byte. */ + risbgn %r4,%r2,60,128+63,0 /* %r3 = bits 60-63 of %r2 'and' 15. */ + lghi %r5,16 /* current_len = 16. */ + slr %r5,%r4 /* Compute bytes to 16bytes boundary. */ + + /* Find c/zero in 16byte aligned loop */ +.Lloop: + vl %v16,0(%r5,%r2) /* Load s. */ + vfeezfs %v16,%v16,%v18 /* Find element equal with zero search. */ + jno .Lfound /* Found c/zero (cc=0|1|2). */ + vl %v16,16(%r5,%r2) + vfeezfs %v16,%v16,%v18 + jno .Lfound16 + vl %v16,32(%r5,%r2) + vfeezfs %v16,%v16,%v18 + jno .Lfound32 + vl %v16,48(%r5,%r2) + vfeezfs %v16,%v16,%v18 + jno .Lfound48 + + aghi %r5,64 + j .Lloop /* No character and no zero -> loop. */ + + /* Found character or zero */ +.Lfound48: + aghi %r5,16 +.Lfound32: + aghi %r5,16 +.Lfound16: + aghi %r5,16 +.Lfound: + vlgvb %r1,%v16,7 /* Load byte index of character. */ + algr %r5,%r1 + la %r2,0(%r5,%r2) /* Return pointer to character. */ + +.Lend: + br %r14 +.Lfallback: + jg __wcschrnul_c +END(__wcschrnul_vx) +#endif /* HAVE_S390_VX_ASM_SUPPORT && IS_IN (libc) */ Index: glibc-2.22/sysdeps/s390/multiarch/wcschrnul.c =================================================================== --- /dev/null +++ glibc-2.22/sysdeps/s390/multiarch/wcschrnul.c @@ -0,0 +1,28 @@ +/* Multiple versions of wcschrnul. + Copyright (C) 2015 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, see + <http://www.gnu.org/licenses/>. */ + +#if defined HAVE_S390_VX_ASM_SUPPORT && IS_IN (libc) +# include <wchar.h> +# include <ifunc-resolve.h> + +s390_vx_libc_ifunc (__wcschrnul) +weak_alias (__wcschrnul, wcschrnul) + +#else +# include <wcsmbs/wcschrnul.c> +#endif /* !(defined HAVE_S390_VX_ASM_SUPPORT && IS_IN (libc)) */ Index: glibc-2.22/wcsmbs/Makefile =================================================================== --- glibc-2.22.orig/wcsmbs/Makefile +++ glibc-2.22/wcsmbs/Makefile @@ -44,7 +44,7 @@ routines := wcscat wcschr wcscmp wcscpy mbrtoc16 c16rtomb strop-tests := wcscmp wcsncmp wmemcmp wcslen wcschr wcsrchr wcscpy wcsnlen \ - wcpcpy wcsncpy wcpncpy wcscat wcsncat + wcpcpy wcsncpy wcpncpy wcscat wcsncat wcschrnul tests := tst-wcstof wcsmbs-tst1 tst-wcsnlen tst-btowc tst-mbrtowc \ tst-wcrtomb tst-wcpncpy tst-mbsrtowcs tst-wchar-h tst-mbrtowc2 \ tst-c16c32-1 wcsatcliff $(addprefix test-,$(strop-tests)) Index: glibc-2.22/wcsmbs/test-wcschrnul.c =================================================================== --- /dev/null +++ glibc-2.22/wcsmbs/test-wcschrnul.c @@ -0,0 +1,20 @@ +/* Test wcschrnul functions. + Copyright (C) 2015 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, see + <http://www.gnu.org/licenses/>. */ + +#define WIDE 1 +#include "../string/test-strchrnul.c" Index: glibc-2.22/wcsmbs/wcschrnul.c =================================================================== --- glibc-2.22.orig/wcsmbs/wcschrnul.c +++ glibc-2.22/wcsmbs/wcschrnul.c @@ -17,6 +17,9 @@ #include <wchar.h> +#ifdef WCSCHRNUL +# define __wcschrnul WCSCHRNUL +#endif /* Find the first occurrence of WC in WCS. */ wchar_t * @@ -32,4 +35,6 @@ __wcschrnul (wcs, wc) return (wchar_t *) wcs; } +#ifndef WCSCHRNUL weak_alias (__wcschrnul, wcschrnul) +#endif
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