diff options
Diffstat (limited to 'sysdeps/s390')
-rw-r--r-- | sysdeps/s390/multiarch/Makefile | 6 | ||||
-rw-r--r-- | sysdeps/s390/multiarch/ifunc-impl-list.c | 3 | ||||
-rw-r--r-- | sysdeps/s390/multiarch/strchrnul-c.c | 26 | ||||
-rw-r--r-- | sysdeps/s390/multiarch/strchrnul-vx.S | 93 | ||||
-rw-r--r-- | sysdeps/s390/multiarch/strchrnul.c | 28 | ||||
-rw-r--r-- | sysdeps/s390/multiarch/wcschrnul-c.c | 25 | ||||
-rw-r--r-- | sysdeps/s390/multiarch/wcschrnul-vx.S | 97 | ||||
-rw-r--r-- | sysdeps/s390/multiarch/wcschrnul.c | 28 |
8 files changed, 304 insertions, 2 deletions
diff --git a/sysdeps/s390/multiarch/Makefile b/sysdeps/s390/multiarch/Makefile index 1a3673b7e1..b6b64c95ba 100644 --- a/sysdeps/s390/multiarch/Makefile +++ b/sysdeps/s390/multiarch/Makefile @@ -9,7 +9,8 @@ sysdep_routines += strlen strlen-vx strlen-c \ 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 wcslen-c \ 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 diff --git a/sysdeps/s390/multiarch/ifunc-impl-list.c b/sysdeps/s390/multiarch/ifunc-impl-list.c index b0782ffbbd..ea474a8206 100644 --- a/sysdeps/s390/multiarch/ifunc-impl-list.c +++ b/sysdeps/s390/multiarch/ifunc-impl-list.c @@ -112,6 +112,9 @@ __libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array, IFUNC_VX_IMPL (strchr); IFUNC_VX_IMPL (wcschr); + IFUNC_VX_IMPL (strchrnul); + IFUNC_VX_IMPL (wcschrnul); + #endif /* HAVE_S390_VX_ASM_SUPPORT */ return i; diff --git a/sysdeps/s390/multiarch/strchrnul-c.c b/sysdeps/s390/multiarch/strchrnul-c.c new file mode 100644 index 0000000000..1f288e4302 --- /dev/null +++ b/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 diff --git a/sysdeps/s390/multiarch/strchrnul-vx.S b/sysdeps/s390/multiarch/strchrnul-vx.S new file mode 100644 index 0000000000..5b43a930f9 --- /dev/null +++ b/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) */ diff --git a/sysdeps/s390/multiarch/strchrnul.c b/sysdeps/s390/multiarch/strchrnul.c new file mode 100644 index 0000000000..652d517948 --- /dev/null +++ b/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)) */ diff --git a/sysdeps/s390/multiarch/wcschrnul-c.c b/sysdeps/s390/multiarch/wcschrnul-c.c new file mode 100644 index 0000000000..10c7ab6931 --- /dev/null +++ b/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 diff --git a/sysdeps/s390/multiarch/wcschrnul-vx.S b/sysdeps/s390/multiarch/wcschrnul-vx.S new file mode 100644 index 0000000000..f69064f0dc --- /dev/null +++ b/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) */ diff --git a/sysdeps/s390/multiarch/wcschrnul.c b/sysdeps/s390/multiarch/wcschrnul.c new file mode 100644 index 0000000000..0f91e265d5 --- /dev/null +++ b/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)) */ |