From 9912e5a176f76caf6db58f9f2e9793b08ce3c957 Mon Sep 17 00:00:00 2001 From: Stefan Liebler Date: Thu, 8 Oct 2015 11:04:59 +0200 Subject: [PATCH 13/30] S390: Optimize stpcpy and wcpcpy. upstream-commit-id: 8ade3db78db17e0112648d302f98eda115949cd5 https://www.sourceware.org/ml/libc-alpha/2015-07/msg00154.html This patch provides optimized versions of stpcpy and wcpcpy with the z13 vector instructions. ChangeLog: * sysdeps/s390/multiarch/stpcpy-c.c: New File. * sysdeps/s390/multiarch/stpcpy-vx.S: Likewise. * sysdeps/s390/multiarch/stpcpy.c: Likewise. * sysdeps/s390/multiarch/wcpcpy-c.c: Likewise. * sysdeps/s390/multiarch/wcpcpy-vx.S: Likewise. * sysdeps/s390/multiarch/wcpcpy.c: Likewise. * sysdeps/s390/multiarch/Makefile (sysdep_routines): Add stpcpy and wcpcpy functions. * string/stpcpy.c: Use STPCPY if defined. * wcsmbs/wcpcpy.c: Use WCPCPY if defined. * sysdeps/s390/multiarch/ifunc-impl-list.c (__libc_ifunc_impl_list): Add ifunc test for stpcpy, wcpcpy. * string/test-stpcpy.c: Add wcpcpy support. * wcsmbs/test-wcpcpy.c: New File. * wcsmbs/Makefile (strop-tests): Add wcpcpy. * benchtests/bench-stpcpy.c: Add wcpcpy support. * benchtests/bench-wcpcpy.c: New File. * benchtests/Makefile (wcsmbs-bench): Add wcpcpy. --- benchtests/Makefile | 2 +- benchtests/bench-stpcpy.c | 33 ++++++--- benchtests/bench-wcpcpy.c | 20 ++++++ string/stpcpy.c | 6 ++ string/test-stpcpy.c | 33 ++++++--- sysdeps/s390/multiarch/Makefile | 6 +- sysdeps/s390/multiarch/ifunc-impl-list.c | 3 + sysdeps/s390/multiarch/stpcpy-c.c | 34 +++++++++ sysdeps/s390/multiarch/stpcpy-vx.S | 104 ++++++++++++++++++++++++++++ sysdeps/s390/multiarch/stpcpy.c | 29 ++++++++ sysdeps/s390/multiarch/wcpcpy-c.c | 25 +++++++ sysdeps/s390/multiarch/wcpcpy-vx.S | 114 +++++++++++++++++++++++++++++++ sysdeps/s390/multiarch/wcpcpy.c | 28 ++++++++ wcsmbs/Makefile | 3 +- wcsmbs/test-wcpcpy-ifunc.c | 20 ++++++ wcsmbs/test-wcpcpy.c | 20 ++++++ wcsmbs/wcpcpy.c | 6 +- 17 files changed, 463 insertions(+), 23 deletions(-) create mode 100644 benchtests/bench-wcpcpy.c create mode 100644 sysdeps/s390/multiarch/stpcpy-c.c create mode 100644 sysdeps/s390/multiarch/stpcpy-vx.S create mode 100644 sysdeps/s390/multiarch/stpcpy.c create mode 100644 sysdeps/s390/multiarch/wcpcpy-c.c create mode 100644 sysdeps/s390/multiarch/wcpcpy-vx.S create mode 100644 sysdeps/s390/multiarch/wcpcpy.c create mode 100644 wcsmbs/test-wcpcpy-ifunc.c create mode 100644 wcsmbs/test-wcpcpy.c diff --git a/benchtests/Makefile b/benchtests/Makefile index 1dda844..1b491c6 100644 --- a/benchtests/Makefile +++ b/benchtests/Makefile @@ -38,7 +38,7 @@ string-bench := bcopy bzero memccpy memchr memcmp memcpy memmem memmove \ strcat strchr strchrnul strcmp strcpy strcspn strlen \ strncasecmp strncat strncmp strncpy strnlen strpbrk strrchr \ strspn strstr strcpy_chk stpcpy_chk memrchr strsep strtok -wcsmbs-bench := wcslen wcsnlen wcscpy +wcsmbs-bench := wcslen wcsnlen wcscpy wcpcpy string-bench-all := $(string-bench) ${wcsmbs-bench} stdlib-bench := strtod diff --git a/benchtests/bench-stpcpy.c b/benchtests/bench-stpcpy.c index 0645298..f950c92 100644 --- a/benchtests/bench-stpcpy.c +++ b/benchtests/bench-stpcpy.c @@ -18,19 +18,34 @@ #define STRCPY_RESULT(dst, len) ((dst) + (len)) #define TEST_MAIN -#define TEST_NAME "stpcpy" +#ifndef WIDE +# define TEST_NAME "stpcpy" +#else +# define TEST_NAME "wcpcpy" +#endif /* WIDE */ #include "bench-string.h" - -char *simple_stpcpy (char *, const char *); - -IMPL (simple_stpcpy, 0) -IMPL (stpcpy, 1) - -char * -simple_stpcpy (char *dst, const char *src) +#ifndef WIDE +# define CHAR char +# define SIMPLE_STPCPY simple_stpcpy +# define STPCPY stpcpy +#else +# include +# define CHAR wchar_t +# define SIMPLE_STPCPY simple_wcpcpy +# define STPCPY wcpcpy +#endif /* WIDE */ + +CHAR *SIMPLE_STPCPY (CHAR *, const CHAR *); + +IMPL (SIMPLE_STPCPY, 0) +IMPL (STPCPY, 1) + +CHAR * +SIMPLE_STPCPY (CHAR *dst, const CHAR *src) { while ((*dst++ = *src++) != '\0'); return dst - 1; } +#undef CHAR #include "bench-strcpy.c" diff --git a/benchtests/bench-wcpcpy.c b/benchtests/bench-wcpcpy.c new file mode 100644 index 0000000..cfbfccf --- /dev/null +++ b/benchtests/bench-wcpcpy.c @@ -0,0 +1,20 @@ +/* Measure wcpcpy 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 + . */ + +#define WIDE 1 +#include "bench-stpcpy.c" diff --git a/string/stpcpy.c b/string/stpcpy.c index b0a83ba..69d150f 100644 --- a/string/stpcpy.c +++ b/string/stpcpy.c @@ -28,6 +28,12 @@ # define __stpcpy stpcpy #endif +#ifdef STPCPY +extern __typeof (__stpcpy) STPCPY; +# undef __stpcpy +# define __stpcpy STPCPY +#endif + /* Copy SRC to DEST, returning the address of the terminating '\0' in DEST. */ char * __stpcpy (dest, src) diff --git a/string/test-stpcpy.c b/string/test-stpcpy.c index 6a7af0c..962e5d6 100644 --- a/string/test-stpcpy.c +++ b/string/test-stpcpy.c @@ -19,19 +19,34 @@ #define STRCPY_RESULT(dst, len) ((dst) + (len)) #define TEST_MAIN -#define TEST_NAME "stpcpy" +#ifndef WIDE +# define TEST_NAME "stpcpy" +#else +# define TEST_NAME "wcpcpy" +#endif /* !WIDE */ #include "test-string.h" - -char *simple_stpcpy (char *, const char *); - -IMPL (simple_stpcpy, 0) -IMPL (stpcpy, 1) - -char * -simple_stpcpy (char *dst, const char *src) +#ifndef WIDE +# define CHAR char +# define SIMPLE_STPCPY simple_stpcpy +# define STPCPY stpcpy +#else +# include +# define CHAR wchar_t +# define SIMPLE_STPCPY simple_wcpcpy +# define STPCPY wcpcpy +#endif /* !WIDE */ + +CHAR *SIMPLE_STPCPY (CHAR *, const CHAR *); + +IMPL (SIMPLE_STPCPY, 0) +IMPL (STPCPY, 1) + +CHAR * +SIMPLE_STPCPY (CHAR *dst, const CHAR *src) { while ((*dst++ = *src++) != '\0'); return dst - 1; } +#undef CHAR #include "test-strcpy.c" diff --git a/sysdeps/s390/multiarch/Makefile b/sysdeps/s390/multiarch/Makefile index e2202b7..5b57342 100644 --- a/sysdeps/s390/multiarch/Makefile +++ b/sysdeps/s390/multiarch/Makefile @@ -1,11 +1,13 @@ ifeq ($(subdir),string) sysdep_routines += strlen strlen-vx strlen-c \ strnlen strnlen-vx strnlen-c \ - strcpy strcpy-vx + strcpy strcpy-vx \ + stpcpy stpcpy-vx stpcpy-c endif ifeq ($(subdir),wcsmbs) sysdep_routines += wcslen wcslen-vx wcslen-c \ wcsnlen wcsnlen-vx wcsnlen-c \ - wcscpy wcscpy-vx wcscpy-c + wcscpy wcscpy-vx wcscpy-c \ + wcpcpy wcpcpy-vx wcpcpy-c endif diff --git a/sysdeps/s390/multiarch/ifunc-impl-list.c b/sysdeps/s390/multiarch/ifunc-impl-list.c index c9228d6..a402301 100644 --- a/sysdeps/s390/multiarch/ifunc-impl-list.c +++ b/sysdeps/s390/multiarch/ifunc-impl-list.c @@ -88,6 +88,9 @@ __libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array, IFUNC_VX_IMPL (strcpy); IFUNC_VX_IMPL (wcscpy); + IFUNC_VX_IMPL (stpcpy); + IFUNC_VX_IMPL (wcpcpy); + #endif /* HAVE_S390_VX_ASM_SUPPORT */ return i; diff --git a/sysdeps/s390/multiarch/stpcpy-c.c b/sysdeps/s390/multiarch/stpcpy-c.c new file mode 100644 index 0000000..4679ec6 --- /dev/null +++ b/sysdeps/s390/multiarch/stpcpy-c.c @@ -0,0 +1,34 @@ +/* Default stpcpy 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 + . */ + +#if defined HAVE_S390_VX_ASM_SUPPORT && !defined NOT_IN_libc +# define STPCPY __stpcpy_c +# undef libc_hidden_def +# undef weak_alias +# undef libc_hidden_builtin_def +# ifdef SHARED +# define libc_hidden_def(name) \ + __hidden_ver1 (__stpcpy_c, __GI___stpcpy, __stpcpy_c); +# define libc_hidden_builtin_def(name) \ + strong_alias (__stpcpy_c, __stpcpy_c_1); \ + __hidden_ver1 (__stpcpy_c_1, __GI_stpcpy, __stpcpy_c_1); +# endif /* SHARED */ + + +# include +#endif /* HAVE_S390_VX_ASM_SUPPORT && !defined NOT_IN_libc */ diff --git a/sysdeps/s390/multiarch/stpcpy-vx.S b/sysdeps/s390/multiarch/stpcpy-vx.S new file mode 100644 index 0000000..661ad15 --- /dev/null +++ b/sysdeps/s390/multiarch/stpcpy-vx.S @@ -0,0 +1,104 @@ +/* Vector optimized 32/64 bit S/390 version of stpcpy. + 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 + . */ + +#if defined HAVE_S390_VX_ASM_SUPPORT && !defined NOT_IN_libc + +# include "sysdep.h" +# include "asm-syntax.h" + + .text + +/* char * stpcpy (const char *dest, const char *src) + Copy string src to dest returning a pointer to its end. + + Register usage: + -r1=tmp + -r2=dest and return value + -r3=src + -r4=tmp + -r5=current_len + -v16=part of src + -v17=index of zero + -v18=part of src +*/ +ENTRY(__stpcpy_vx) + .machine "z13" + .machinemode "zarch_nohighgprs" + + vlbb %v16,0(%r3),6 /* Load s until next 4k-byte boundary. */ + lcbb %r1,0(%r3),6 /* Get bytes to 4k-byte boundary or 16. */ + + vfenezb %v17,%v16,%v16 /* Find element not equal with zero search. */ + vlgvb %r5,%v17,7 /* Load zero index or 16 if not found. */ + clrjl %r5,%r1,.Lfound_align /* If found zero within loaded bytes, + copy bytes before and return. */ + + /* Align s to 16 byte. */ + risbgn %r4,%r3,60,128+63,0 /* %r3 = bits 60-63 of %r2 'and' 15. */ + lghi %r5,15 /* current_len = 15. */ + slr %r5,%r4 /* Compute highest index to 16byte boundary. */ + + vstl %v16,%r5,0(%r2) /* Copy loaded characters - no zero. */ + ahi %r5,1 /* Start loop at next character. */ + + /* Find zero in 16byte aligned loop. */ +.Lloop: + vl %v16,0(%r5,%r3) /* Load s. */ + vfenezbs %v17,%v16,%v16 /* Find element not equal with zero search. */ + je .Lfound_v16_0 /* Jump away if zero was found. */ + vl %v18,16(%r5,%r3) /* Load next part of s. */ + vst %v16,0(%r5,%r2) /* Store previous part without zero to dst. */ + vfenezbs %v17,%v18,%v18 + je .Lfound_v18_16 + vl %v16,32(%r5,%r3) + vst %v18,16(%r5,%r2) + vfenezbs %v17,%v16,%v16 + je .Lfound_v16_32 + vl %v18,48(%r5,%r3) + vst %v16,32(%r5,%r2) + vfenezbs %v17,%v18,%v18 + je .Lfound_v18_48 + vst %v18,48(%r5,%r2) + + aghi %r5,64 + j .Lloop /* No zero found -> loop. */ + +.Lfound_v16_32: + aghi %r5,32 +.Lfound_v16_0: + la %r3,0(%r5,%r2) + vlgvb %r1,%v17,7 /* Load byte index of zero. */ + vstl %v16,%r1,0(%r3) /* Copy characters including zero. */ + la %r2,0(%r1,%r3) /* Return pointer to zero. */ + br %r14 + +.Lfound_v18_48: + aghi %r5,32 +.Lfound_v18_16: + la %r3,16(%r5,%r2) + vlgvb %r1,%v17,7 /* Load byte index of zero. */ + vstl %v18,%r1,0(%r3) /* Copy characters including zero. */ + la %r2,0(%r1,%r3) /* Return pointer to zero. */ + br %r14 + +.Lfound_align: + vstl %v16,%r5,0(%r2) /* Copy characters including zero. */ + la %r2,0(%r5,%r2) /* Return pointer to zero. */ + br %r14 +END(__stpcpy_vx) +#endif /* HAVE_S390_VX_ASM_SUPPORT && !defined NOT_IN_libc */ diff --git a/sysdeps/s390/multiarch/stpcpy.c b/sysdeps/s390/multiarch/stpcpy.c new file mode 100644 index 0000000..7dc85a0 --- /dev/null +++ b/sysdeps/s390/multiarch/stpcpy.c @@ -0,0 +1,29 @@ +/* Multiple versions of stpcpy. + 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 + . */ + +#if defined HAVE_S390_VX_ASM_SUPPORT && !defined NOT_IN_libc +# include +# include + +s390_vx_libc_ifunc (__stpcpy) +weak_alias (__stpcpy, stpcpy) +libc_hidden_builtin_def (stpcpy) + +#else +# include +#endif /* !(defined HAVE_S390_VX_ASM_SUPPORT && !defined NOT_IN_libc) */ diff --git a/sysdeps/s390/multiarch/wcpcpy-c.c b/sysdeps/s390/multiarch/wcpcpy-c.c new file mode 100644 index 0000000..7349f34 --- /dev/null +++ b/sysdeps/s390/multiarch/wcpcpy-c.c @@ -0,0 +1,25 @@ +/* Default wcslen 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 + . */ + +#if defined HAVE_S390_VX_ASM_SUPPORT && !defined NOT_IN_libc +# define WCPCPY __wcpcpy_c + +# include +extern __typeof (__wcpcpy) __wcpcpy_c; +# include +#endif diff --git a/sysdeps/s390/multiarch/wcpcpy-vx.S b/sysdeps/s390/multiarch/wcpcpy-vx.S new file mode 100644 index 0000000..195b836 --- /dev/null +++ b/sysdeps/s390/multiarch/wcpcpy-vx.S @@ -0,0 +1,114 @@ +/* Vector optimized 32/64 bit S/390 version of wcpcpy. + 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 + . */ + +#if defined HAVE_S390_VX_ASM_SUPPORT && !defined NOT_IN_libc + +# include "sysdep.h" +# include "asm-syntax.h" + + .text + +/* wchar_t * wcpcpy (const wchar_t *dest, const wchar_t *src) + Copy string src to dest returning a pointer to its end. + + Register usage: + -r0=border-len for switching to vector-instructions + -r1=tmp + -r2=dest and return value + -r3=src + -r4=tmp + -r5=current_len + -v16=part of src + -v17=index of zero + -v18=part of src +*/ +ENTRY(__wcpcpy_vx) + .machine "z13" + .machinemode "zarch_nohighgprs" + + vlbb %v16,0(%r3),6 /* Load s until next 4k-byte boundary. */ + lcbb %r1,0(%r3),6 /* Get bytes to 4k-byte boundary or 16. */ + + tmll %r3,3 /* Test if s is 4-byte aligned? */ + jne .Lfallback /* And use common-code variant if not. */ + + vfenezf %v17,%v16,%v16 /* Find element not equal with zero search. */ + vlgvb %r5,%v17,7 /* Load zero index or 16 if not found. */ + clrjl %r5,%r1,.Lfound_align /* If found zero within loaded bytes, + copy bytes before and return. */ + + /* Align s to 16 byte. */ + risbgn %r4,%r3,60,128+63,0 /* %r3 = bits 60-63 of %r2 'and' 15. */ + lghi %r5,15 /* current_len = 15. */ + slr %r5,%r4 /* Compute highest index to 16byte boundary. */ + + vstl %v16,%r5,0(%r2) /* Copy loaded characters - no zero. */ + ahi %r5,1 /* Start loop at next character. */ + + /* Find zero in 16byte aligned loop. */ +.Lloop: + vl %v16,0(%r5,%r3) /* Load s. */ + vfenezfs %v17,%v16,%v16 /* Find element not equal with zero search. */ + je .Lfound_v16_0 /* Jump away if zero was found. */ + vl %v18,16(%r5,%r3) /* Load next part of s. */ + vst %v16,0(%r5,%r2) /* Store previous part without zero to dst. */ + vfenezfs %v17,%v18,%v18 + je .Lfound_v18_16 + vl %v16,32(%r5,%r3) + vst %v18,16(%r5,%r2) + vfenezfs %v17,%v16,%v16 + je .Lfound_v16_32 + vl %v18,48(%r5,%r3) + vst %v16,32(%r5,%r2) + vfenezfs %v17,%v18,%v18 + je .Lfound_v18_48 + vst %v18,48(%r5,%r2) + + aghi %r5,64 + j .Lloop /* No zero found -> loop. */ + +.Lfound_v16_32: + aghi %r5,32 +.Lfound_v16_0: + la %r3,0(%r5,%r2) + vlgvb %r1,%v17,7 /* Load byte index of zero. */ + aghi %r1,3 /* Also copy remaining bytes of zero. */ + vstl %v16,%r1,0(%r3) /* Copy characters including zero. */ + lay %r2,-3(%r1,%r3) /* Return pointer to zero. */ + br %r14 + +.Lfound_v18_48: + aghi %r5,32 +.Lfound_v18_16: + la %r3,16(%r5,%r2) + vlgvb %r1,%v17,7 /* Load byte index of zero. */ + aghi %r1,3 /* Also copy remaining bytes of zero. */ + vstl %v18,%r1,0(%r3) /* Copy characters including zero. */ + lay %r2,-3(%r1,%r3) /* Return pointer to zero. */ + br %r14 + +.Lfound_align: + aghi %r5,3 /* Also copy remaining bytes of zero. */ + vstl %v16,%r5,0(%r2) /* Copy characters including zero. */ + lay %r2,-3(%r5,%r2) /* Return pointer to zero. */ + br %r14 + +.Lfallback: + jg __wcpcpy_c +END(__wcpcpy_vx) +#endif /* HAVE_S390_VX_ASM_SUPPORT && !defined NOT_IN_libc */ diff --git a/sysdeps/s390/multiarch/wcpcpy.c b/sysdeps/s390/multiarch/wcpcpy.c new file mode 100644 index 0000000..46bf8e8 --- /dev/null +++ b/sysdeps/s390/multiarch/wcpcpy.c @@ -0,0 +1,28 @@ +/* Multiple versions of wcpcpy. + 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 + . */ + +#if defined HAVE_S390_VX_ASM_SUPPORT && !defined NOT_IN_libc +# include +# include + +s390_vx_libc_ifunc (__wcpcpy) +weak_alias (__wcpcpy, wcpcpy) + +#else +# include +#endif /* !(defined HAVE_S390_VX_ASM_SUPPORT && !defined NOT_IN_libc) */ diff --git a/wcsmbs/Makefile b/wcsmbs/Makefile index ec0b050..3b91b6d 100644 --- a/wcsmbs/Makefile +++ b/wcsmbs/Makefile @@ -41,7 +41,8 @@ routines := wcscat wcschr wcscmp wcscpy wcscspn wcsdup wcslen wcsncat \ isoc99_swscanf isoc99_vswscanf \ mbrtoc16 c16rtomb -strop-tests := wcscmp wmemcmp wcslen wcschr wcsrchr wcscpy wcsnlen +strop-tests := wcscmp wmemcmp wcslen wcschr wcsrchr wcscpy wcsnlen \ + wcpcpy 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)) diff --git a/wcsmbs/test-wcpcpy-ifunc.c b/wcsmbs/test-wcpcpy-ifunc.c new file mode 100644 index 0000000..aa39062 --- /dev/null +++ b/wcsmbs/test-wcpcpy-ifunc.c @@ -0,0 +1,20 @@ +/* Test and measure IFUNC implementations of wcpcpy function. + 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 + . */ + +#define TEST_IFUNC 1 +#include "test-wcpcpy.c" diff --git a/wcsmbs/test-wcpcpy.c b/wcsmbs/test-wcpcpy.c new file mode 100644 index 0000000..2cf91a1 --- /dev/null +++ b/wcsmbs/test-wcpcpy.c @@ -0,0 +1,20 @@ +/* Test wcspcpy 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 + . */ + +#define WIDE 1 +#include "../string/test-stpcpy.c" diff --git a/wcsmbs/wcpcpy.c b/wcsmbs/wcpcpy.c index eaaab2c..f67ba62 100644 --- a/wcsmbs/wcpcpy.c +++ b/wcsmbs/wcpcpy.c @@ -21,7 +21,9 @@ #define __need_ptrdiff_t #include - +#ifdef WCPCPY +# define __wcpcpy WCPCPY +#endif /* Copy SRC to DEST, returning the address of the terminating L'\0' in DEST. */ wchar_t * @@ -43,4 +45,6 @@ __wcpcpy (dest, src) return wcp; } +#ifndef WCPCPY weak_alias (__wcpcpy, wcpcpy) +#endif -- 2.3.0