diff options
Diffstat (limited to 'sysdeps/s390/multiarch')
| -rw-r--r-- | sysdeps/s390/multiarch/Makefile | 7 | ||||
| -rw-r--r-- | sysdeps/s390/multiarch/ifunc-impl-list.c | 4 | ||||
| -rw-r--r-- | sysdeps/s390/multiarch/memchr-vx.S | 159 | ||||
| -rw-r--r-- | sysdeps/s390/multiarch/memchr.c | 24 | ||||
| -rw-r--r-- | sysdeps/s390/multiarch/rawmemchr-c.c | 34 | ||||
| -rw-r--r-- | sysdeps/s390/multiarch/rawmemchr-vx.S | 92 | ||||
| -rw-r--r-- | sysdeps/s390/multiarch/rawmemchr.c | 28 | ||||
| -rw-r--r-- | sysdeps/s390/multiarch/wmemchr-c.c | 37 | ||||
| -rw-r--r-- | sysdeps/s390/multiarch/wmemchr-vx.S | 166 | ||||
| -rw-r--r-- | sysdeps/s390/multiarch/wmemchr.c | 29 |
10 files changed, 578 insertions, 2 deletions
diff --git a/sysdeps/s390/multiarch/Makefile b/sysdeps/s390/multiarch/Makefile index 2c1fce019d..4a04c348a6 100644 --- a/sysdeps/s390/multiarch/Makefile +++ b/sysdeps/s390/multiarch/Makefile @@ -14,7 +14,9 @@ sysdep_routines += strlen strlen-vx strlen-c \ strrchr strrchr-vx strrchr-c \ strspn strspn-vx strspn-c \ strpbrk strpbrk-vx strpbrk-c \ - strcspn strcspn-vx strcspn-c + strcspn strcspn-vx strcspn-c \ + memchr memchr-vx \ + rawmemchr rawmemchr-vx rawmemchr-c endif ifeq ($(subdir),wcsmbs) @@ -33,5 +35,6 @@ sysdep_routines += wcslen wcslen-vx wcslen-c \ wcsrchr wcsrchr-vx wcsrchr-c \ wcsspn wcsspn-vx wcsspn-c \ wcspbrk wcspbrk-vx wcspbrk-c \ - wcscspn wcscspn-vx wcscspn-c + wcscspn wcscspn-vx wcscspn-c \ + wmemchr wmemchr-vx wmemchr-c endif diff --git a/sysdeps/s390/multiarch/ifunc-impl-list.c b/sysdeps/s390/multiarch/ifunc-impl-list.c index 7f62e4933d..d4c7c0d1da 100644 --- a/sysdeps/s390/multiarch/ifunc-impl-list.c +++ b/sysdeps/s390/multiarch/ifunc-impl-list.c @@ -127,6 +127,10 @@ __libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array, IFUNC_VX_IMPL (strcspn); IFUNC_VX_IMPL (wcscspn); + IFUNC_VX_IMPL (memchr); + IFUNC_VX_IMPL (wmemchr); + IFUNC_VX_IMPL (rawmemchr); + #endif /* HAVE_S390_VX_ASM_SUPPORT */ return i; diff --git a/sysdeps/s390/multiarch/memchr-vx.S b/sysdeps/s390/multiarch/memchr-vx.S new file mode 100644 index 0000000000..e0aa9e691b --- /dev/null +++ b/sysdeps/s390/multiarch/memchr-vx.S @@ -0,0 +1,159 @@ +/* Vector optimized 32/64 bit S/390 version of memchr. + 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 + +/* void *memchr (const void *s, int c, size_t n) + Scans memory for character c + and returns pointer to first c. + + Register usage: + -r0=tmp + -r1=tmp + -r2=s + -r3=c + -r4=n + -r5=current_len + -v16=part of s + -v17=index of found c + -v18=c replicated +*/ +ENTRY(__memchr_vx) + + .machine "z13" + .machinemode "zarch_nohighgprs" + +# if !defined __s390x__ + llgfr %r4,%r4 +# endif /* !defined __s390x__ */ + + clgije %r4,0,.Lnf_end /* If len == 0 then exit. */ + + vlbb %v16,0(%r2),6 /* Load s until next 4k-byte boundary. */ + lcbb %r0,0(%r2),6 /* Get bytes to 4k-byte boundary or 16. */ + llgfr %r0,%r0 /* Convert 32bit to 64bit. */ + + vlvgb %v18,%r3,0 /* Generate vector which elements are all c. + if c > 255, c will be truncated. */ + vrepb %v18,%v18,0 + lghi %r5,16 /* current_len = 16. */ + + clgrjhe %r0,%r4,.Llastcmp /* If (bytes to boundary) >= n, + jump to lastcmp. */ + + vfeebs %v17,%v16,%v18 /* Find c. */ + vlgvb %r1,%v17,7 /* Load byte index of c. */ + clgrjl %r1,%r0,.Lfound2 /* Found c is within loaded bytes. */ + + /* Align s to 16 byte. */ + risbgn %r1,%r2,60,128+63,0 /* %r3 = bits 60-63 of %r2 'and' 15. */ + slr %r5,%r1 /* Compute bytes to 16bytes boundary. */ + + lgr %r0,%r5 /* If %r5 + 64 < n? -> loop64. */ + aghi %r0,64 + clgrjl %r0,%r4,.Lloop64 +.Llt64: + vl %v16,0(%r5,%r2) + aghi %r5,16 + clgrjhe %r5,%r4,.Llastcmp /* Do last compare if curr-len >= n. */ + vfeebs %v17,%v16,%v18 /* Find c. */ + jl .Lfound /* Jump away if c was found. */ + + vl %v16,0(%r5,%r2) + aghi %r5,16 + clgrjhe %r5,%r4,.Llastcmp + vfeebs %v17,%v16,%v18 + jl .Lfound + + vl %v16,0(%r5,%r2) + aghi %r5,16 + clgrjhe %r5,%r4,.Llastcmp + vfeebs %v17,%v16,%v18 + jl .Lfound + + vl %v16,0(%r5,%r2) + aghi %r5,16 + +.Llastcmp: + /* Use comparision result only if located within first n characters. + %r5: current_len; + %r4: n; + (current_len - n): [0...16[ + first ignored match index: vr-width - (current_len - n) ]0...16] + */ + vfeebs %v17,%v16,%v18 /* Find c. */ + slgrk %r4,%r5,%r4 /* %r5 = current_len - n. */ + lghi %r0,16 /* Register width = 16. */ + vlgvb %r1,%v17,7 /* Extract found index or 16 if all equal. */ + slr %r0,%r4 /* %r0 = first ignored match index. */ + clrjl %r1,%r0,.Lfound2 /* Go away if miscompare is below n bytes. */ + /* c not found within n-bytes. */ +.Lnf_end: + lghi %r2,0 /* Return null. */ + br %r14 + +.Lfound48: + aghi %r5,16 +.Lfound32: + aghi %r5,16 +.Lfound16: + aghi %r5,16 +.Lfound0: + aghi %r5,16 +.Lfound: + vlgvb %r1,%v17,7 /* Load byte index of c. */ +.Lfound2: + slgfi %r5,16 /* current_len -=16 */ + algr %r5,%r1 /* Zero byte index is added to current len. */ + la %r2,0(%r5,%r2) /* Return pointer to c. */ + br %r14 + + +.Lloop64: + vl %v16,0(%r5,%r2) + vfeebs %v17,%v16,%v18 /* Find c. */ + jl .Lfound0 /* Jump away if c was found. */ + vl %v16,16(%r5,%r2) + vfeebs %v17,%v16,%v18 + jl .Lfound16 + vl %v16,32(%r5,%r2) + vfeebs %v17,%v16,%v18 + jl .Lfound32 + vl %v16,48(%r5,%r2) + vfeebs %v17,%v16,%v18 + jl .Lfound48 + + aghi %r5,64 + lgr %r0,%r5 /* If %r5 + 64 < n? -> loop64. */ + aghi %r0,64 + clgrjl %r0,%r4,.Lloop64 + + j .Llt64 +END(__memchr_vx) + +# define memchr __memchr_c +# undef libc_hidden_builtin_def +# define libc_hidden_builtin_def(name) strong_alias(__memchr_c, __GI_memchr) +#endif /* HAVE_S390_VX_ASM_SUPPORT && IS_IN (libc) */ + +#include <memchr.S> diff --git a/sysdeps/s390/multiarch/memchr.c b/sysdeps/s390/multiarch/memchr.c new file mode 100644 index 0000000000..b653c1d8f4 --- /dev/null +++ b/sysdeps/s390/multiarch/memchr.c @@ -0,0 +1,24 @@ +/* Multiple versions of memchr. + 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_ifunc2 (__memchr, memchr) +#endif diff --git a/sysdeps/s390/multiarch/rawmemchr-c.c b/sysdeps/s390/multiarch/rawmemchr-c.c new file mode 100644 index 0000000000..a85e83f8c0 --- /dev/null +++ b/sysdeps/s390/multiarch/rawmemchr-c.c @@ -0,0 +1,34 @@ +/* Default rawmemchr 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) +# include <string.h> + +# define RAWMEMCHR __rawmemchr_c +# undef weak_alias +# define weak_alias(a, b) +# ifdef SHARED +# undef libc_hidden_def +# define libc_hidden_def(name) \ + __hidden_ver1 (__rawmemchr_c, __GI___rawmemchr, __rawmemchr_c); +# endif /* SHARED */ + +extern __typeof (rawmemchr) __rawmemchr_c attribute_hidden; + +# include <string/rawmemchr.c> +#endif /* !(defined HAVE_S390_VX_ASM_SUPPORT && IS_IN (libc)) */ diff --git a/sysdeps/s390/multiarch/rawmemchr-vx.S b/sysdeps/s390/multiarch/rawmemchr-vx.S new file mode 100644 index 0000000000..0648296d15 --- /dev/null +++ b/sysdeps/s390/multiarch/rawmemchr-vx.S @@ -0,0 +1,92 @@ +/* Vector optimized 32/64 bit S/390 version of rawmemchr. + 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 + +/* void *rawmemchr (const void *s, int c) + Scans memory for character c + and returns pointer to first c. + + Register usage: + -r1=tmp + -r2=s + -r3=c + -r4=tmp + -r5=current_len + -v16=part of s + -v17=index of unequal + -v18=c replicated +*/ +ENTRY(__rawmemchr_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. */ + + vlvgb %v18,%r3,0 /* Generate vector which elements are all c. + If c > 255, c will be truncated. */ + vrepb %v18,%v18,0 + + vfeeb %v17,%v16,%v18 /* Vector find element equal. */ + vlgvb %r5,%v17,7 /* Load byte index of character or zero. */ + clrjl %r5,%r1,.Lend_found /* If found c is in loaded bytes, end. */ + + /* Align s to 16 byte. */ + risbgn %r1,%r2,60,128+63,0 /* %r3 = bits 60-63 of %r2 'and' 15. */ + lghi %r5,16 + slr %r5,%r1 /* Compute bytes to 16bytes boundary. */ + + /* Find c in a 16byte aligned loop. */ +.Lloop: + vl %v16,0(%r5,%r2) /* Load s. */ + vfeebs %v17,%v16,%v18 /* Vector find element equal. */ + jno .Lcharacter /* Jump away if element found. */ + vl %v16,16(%r5,%r2) + vfeebs %v17,%v16,%v18 + jno .Lcharacter16 + vl %v16,32(%r5,%r2) + vfeebs %v17,%v16,%v18 + jno .Lcharacter32 + vl %v16,48(%r5,%r2) + vfeebs %v17,%v16,%v18 + jno .Lcharacter48 + + aghi %r5,64 + j .Lloop /* No character found -> loop. */ + + /* Found character. */ +.Lcharacter48: + aghi %r5,16 +.Lcharacter32: + aghi %r5,16 +.Lcharacter16: + aghi %r5,16 +.Lcharacter: + vlgvb %r1,%v17,7 /* Load byte index of character. */ + algr %r5,%r1 +.Lend_found: + la %r2,0(%r5,%r2) /* Return pointer to character. */ + br %r14 +END(__rawmemchr_vx) +#endif /* HAVE_S390_VX_ASM_SUPPORT && IS_IN (libc) */ diff --git a/sysdeps/s390/multiarch/rawmemchr.c b/sysdeps/s390/multiarch/rawmemchr.c new file mode 100644 index 0000000000..f93064c8f8 --- /dev/null +++ b/sysdeps/s390/multiarch/rawmemchr.c @@ -0,0 +1,28 @@ +/* Multiple versions of rawmemchr. + 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 (__rawmemchr) +weak_alias (__rawmemchr, rawmemchr) + +#else +# include <string/rawmemchr.c> +#endif /* !(defined HAVE_S390_VX_ASM_SUPPORT && IS_IN (libc)) */ diff --git a/sysdeps/s390/multiarch/wmemchr-c.c b/sysdeps/s390/multiarch/wmemchr-c.c new file mode 100644 index 0000000000..c3b12ea599 --- /dev/null +++ b/sysdeps/s390/multiarch/wmemchr-c.c @@ -0,0 +1,37 @@ +/* Default wmemchr 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 WMEMCHR __wmemchr_c + +# include <wchar.h> +extern __typeof (wmemchr) __wmemchr_c; +# undef weak_alias +# define weak_alias(name, alias) +# ifdef SHARED +# undef libc_hidden_def +# define libc_hidden_def(name) \ + __hidden_ver1 (__wmemchr_c, __GI___wmemchr, __wmemchr_c); +# undef libc_hidden_weak +# define libc_hidden_weak(name) \ + strong_alias (__wmemchr_c, __wmemchr_c_1); \ + __hidden_ver1 (__wmemchr_c_1, __GI_wmemchr, __wmemchr_c_1); +# endif /* SHARED */ + +# include <wcsmbs/wmemchr.c> +#endif /* HAVE_S390_VX_ASM_SUPPORT && IS_IN (libc) */ diff --git a/sysdeps/s390/multiarch/wmemchr-vx.S b/sysdeps/s390/multiarch/wmemchr-vx.S new file mode 100644 index 0000000000..a32b2f22a4 --- /dev/null +++ b/sysdeps/s390/multiarch/wmemchr-vx.S @@ -0,0 +1,166 @@ +/* Vector optimized 32/64 bit S/390 version of wmemchr. + 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 *wmemchr (const wchar_t *s, wchar_t c, size_t n) + Scans memory for character c + and returns pointer to first c. + + Register usage: + -r0=tmp + -r1=tmp + -r2=s + -r3=c + -r4=n + -r5=current_len + -v16=part of s + -v17=index of found c + -v18=c replicated +*/ +ENTRY(__wmemchr_vx) + .machine "z13" + .machinemode "zarch_nohighgprs" + +# if !defined __s390x__ + llgfr %r4,%r4 +# endif /* !defined __s390x__ */ + + clgije %r4,0,.Lnf_end /* If len == 0 then exit. */ + + vlbb %v16,0(%r2),6 /* Load s until next 4k-byte boundary. */ + lcbb %r0,0(%r2),6 /* Get bytes to 4k-byte boundary or 16. */ + llgfr %r0,%r0 /* Convert 32bit to 64bit. */ + + tmll %r2,3 /* Test if s is 4-byte aligned? */ + jne .Lfallback /* And use common-code variant if not. */ + + vlvgf %v18,%r3,0 /* Generate vector which elements are all c. */ + vrepf %v18,%v18,0 + lghi %r5,16 /* current_len = 16. */ + + /* Check range of maxlen and convert to byte-count. */ +# ifdef __s390x__ + tmhh %r4,49152 /* Test bit 0 or 1 of maxlen. */ + lghi %r1,-4 /* Max byte-count is 18446744073709551612. */ +# else + tmlh %r4,49152 /* Test bit 0 or 1 of maxlen. */ + llilf %r1,4294967292 /* Max byte-count is 4294967292. */ +# endif /* !__s390x__ */ + sllg %r4,%r4,2 /* Convert character-count to byte-count. */ + locgrne %r4,%r1 /* Use max byte-count, if bit 0/1 was one. */ + + clgrjhe %r0,%r4,.Llastcmp /* If (bytes to boundary) >= n, + jump to lastcmp. */ + + vfeefs %v17,%v16,%v18 /* Find c. */ + vlgvb %r1,%v17,7 /* Load byte index of c. */ + clgrjl %r1,%r0,.Lfound2 /* Found c is within loaded bytes. */ + + /* Align s to 16 byte. */ + risbgn %r1,%r2,60,128+63,0 /* %r3 = bits 60-63 of %r2 'and' 15. */ + slr %r5,%r1 /* Compute bytes to 16bytes boundary. */ + + lgr %r0,%r5 /* If %r5 + 64 < n? -> loop64. */ + aghi %r0,64 + clgrjl %r0,%r4,.Lloop64 +.Llt64: + vl %v16,0(%r5,%r2) + aghi %r5,16 + clgrjhe %r5,%r4,.Llastcmp /* Do last compare if curr-len >= n. */ + vfeefs %v17,%v16,%v18 /* Find c. */ + jl .Lfound /* Jump away if c was found. */ + + vl %v16,0(%r5,%r2) + aghi %r5,16 + clgrjhe %r5,%r4,.Llastcmp + vfeefs %v17,%v16,%v18 + jl .Lfound + + vl %v16,0(%r5,%r2) + aghi %r5,16 + clgrjhe %r5,%r4,.Llastcmp + vfeefs %v17,%v16,%v18 + jl .Lfound + + vl %v16,0(%r5,%r2) + aghi %r5,16 + +.Llastcmp: + /* Use comparision result only if located within first n characters. + %r5: current_len; + %r4: n; + (current_len - n): [0...16[ + first ignored match index = vr-width - (current_len - n) ]0...16] + */ + vfeefs %v17,%v16,%v18 /* Find c. */ + slgrk %r4,%r5,%r4 /* %r5 = current_len - n. */ + lghi %r0,16 /* Register width = 16. */ + vlgvb %r1,%v17,7 /* Extract found index or 16 if all equal. */ + slr %r0,%r4 /* %r0 = first ignored match index. */ + clrjl %r1,%r0,.Lfound2 /* Go away if miscompare is below n bytes. */ + /* c not found within n-bytes. */ +.Lnf_end: + lghi %r2,0 /* Return null. */ + br %r14 + +.Lfound48: + aghi %r5,16 +.Lfound32: + aghi %r5,16 +.Lfound16: + aghi %r5,16 +.Lfound0: + aghi %r5,16 +.Lfound: + vlgvb %r1,%v17,7 /* Load byte index of c. */ +.Lfound2: + slgfi %r5,16 /* current_len -=16 */ + algr %r5,%r1 /* Zero byte index is added to current len. */ + la %r2,0(%r5,%r2) /* Return pointer to c. */ + br %r14 + +.Lloop64: + vl %v16,0(%r5,%r2) + vfeefs %v17,%v16,%v18 /* Find c. */ + jl .Lfound0 /* Jump away if c was found. */ + vl %v16,16(%r5,%r2) + vfeefs %v17,%v16,%v18 + jl .Lfound16 + vl %v16,32(%r5,%r2) + vfeefs %v17,%v16,%v18 + jl .Lfound32 + vl %v16,48(%r5,%r2) + vfeefs %v17,%v16,%v18 + jl .Lfound48 + + aghi %r5,64 + lgr %r0,%r5 /* If %r5 + 64 < n? -> loop64. */ + aghi %r0,64 + clgrjl %r0,%r4,.Lloop64 + + j .Llt64 +.Lfallback: + jg __wmemchr_c +END(__wmemchr_vx) +#endif /* HAVE_S390_VX_ASM_SUPPORT && IS_IN (libc) */ diff --git a/sysdeps/s390/multiarch/wmemchr.c b/sysdeps/s390/multiarch/wmemchr.c new file mode 100644 index 0000000000..a44e6f7b87 --- /dev/null +++ b/sysdeps/s390/multiarch/wmemchr.c @@ -0,0 +1,29 @@ +/* Multiple versions of wmemchr. + 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 (__wmemchr) +weak_alias (__wmemchr, wmemchr) +libc_hidden_weak (wmemchr) + +#else +# include <wcsmbs/wmemchr.c> +#endif /* !(defined HAVE_S390_VX_ASM_SUPPORT && IS_IN (libc)) */ |