diff options
| -rw-r--r-- | ChangeLog | 16 | ||||
| -rw-r--r-- | string/Makefile | 2 | ||||
| -rw-r--r-- | string/test-bcopy.c | 20 | ||||
| -rw-r--r-- | string/test-bzero.c | 19 | ||||
| -rw-r--r-- | string/test-memmove.c | 35 | ||||
| -rw-r--r-- | string/test-memset.c | 63 | ||||
| -rw-r--r-- | sysdeps/x86_64/multiarch/bcopy.S | 2 | ||||
| -rw-r--r-- | sysdeps/x86_64/multiarch/bzero.S | 35 | ||||
| -rw-r--r-- | sysdeps/x86_64/multiarch/memset.S | 7 |
9 files changed, 151 insertions, 48 deletions
@@ -1,3 +1,19 @@ +2012-10-11 H.J. Lu <hongjiu.lu@intel.com> + + * string/Makefile (strop-tests): Add bcopy and bzero. + * string/test-bcopy.c: New file. + * string/test-bzero.c: Likewise. + * string/test-memmove.c: Support bcopy test if TEST_BCOPY is + defined. + * string/test-memset.c: Support bzero test if TEST_BZERO is + defined. + * sysdeps/x86_64/multiarch/bcopy.S (bcopy): Jump to + __libc_memmove. + * sysdeps/x86_64/multiarch/bzero.S (__bzero): Jump to + __libc_memset. + * sysdeps/x86_64/multiarch/memset.S (__libc_memset): New alias + of memset. + 2012-10-10 Joseph Myers <joseph@codesourcery.com> * configure.in: Run $CXX, not cc1plus, to locate C++ headers. diff --git a/string/Makefile b/string/Makefile index 6f2c6c3..8d1db74 100644 --- a/string/Makefile +++ b/string/Makefile @@ -49,7 +49,7 @@ strop-tests := memchr memcmp memcpy memmove mempcpy memset memccpy \ stpcpy stpncpy strcat strchr strcmp strcpy strcspn \ strlen strncmp strncpy strpbrk strrchr strspn memmem \ strstr strcasestr strnlen strcasecmp strncasecmp \ - strncat rawmemchr strchrnul + strncat rawmemchr strchrnul bcopy bzero tests := tester inl-tester noinl-tester testcopy test-ffs \ tst-strlen stratcliff tst-svc tst-inlcall \ bug-strncat1 bug-strspn1 bug-strpbrk1 tst-bswap \ diff --git a/string/test-bcopy.c b/string/test-bcopy.c new file mode 100644 index 0000000..bf9347b --- /dev/null +++ b/string/test-bcopy.c @@ -0,0 +1,20 @@ +/* Test and measure bcopy functions. + Copyright (C) 2012 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 TEST_BCOPY +#include "test-memmove.c" diff --git a/string/test-bzero.c b/string/test-bzero.c new file mode 100644 index 0000000..b59a7e4 --- /dev/null +++ b/string/test-bzero.c @@ -0,0 +1,19 @@ +/* Test and measure bzero functions. + Copyright (C) 2012 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 TEST_BZERO +#include "test-memset.c" diff --git a/string/test-memmove.c b/string/test-memmove.c index 7d10712..cbd40cd 100644 --- a/string/test-memmove.c +++ b/string/test-memmove.c @@ -1,5 +1,5 @@ /* Test and measure memmove functions. - Copyright (C) 1999, 2002, 2003 Free Software Foundation, Inc. + Copyright (C) 1999-2012 Free Software Foundation, Inc. This file is part of the GNU C Library. Written by Jakub Jelinek <jakub@redhat.com>, 1999. @@ -20,11 +20,26 @@ #define TEST_MAIN #include "test-string.h" -typedef char *(*proto_t) (char *, const char *, size_t); char *simple_memmove (char *, const char *, size_t); +#ifdef TEST_BCOPY +typedef void (*proto_t) (const char *, char *, size_t); +void simple_bcopy (const char *, char *, size_t); + +IMPL (simple_bcopy, 0) +IMPL (bcopy, 1) + +void +simple_bcopy (const char *src, char *dst, size_t n) +{ + simple_memmove (dst, src, n); +} +#else +typedef char *(*proto_t) (char *, const char *, size_t); + IMPL (simple_memmove, 0) IMPL (memmove, 1) +#endif char * simple_memmove (char *dst, const char *src, size_t n) @@ -47,9 +62,12 @@ static void do_one_test (impl_t *impl, char *dst, char *src, const char *orig_src, size_t len) { + memcpy (src, orig_src, len); +#ifdef TEST_BCOPY + CALL (impl, src, dst, len); +#else char *res; - memcpy (src, orig_src, len); res = CALL (impl, dst, src, len); if (res != dst) { @@ -58,6 +76,7 @@ do_one_test (impl_t *impl, char *dst, char *src, const char *orig_src, ret = 1; return; } +#endif if (memcmp (dst, orig_src, len) != 0) { @@ -77,7 +96,11 @@ do_one_test (impl_t *impl, char *dst, char *src, const char *orig_src, for (i = 0; i < 32; ++i) { HP_TIMING_NOW (start); +#ifdef TEST_BCOPY + CALL (impl, src, dst, len); +#else CALL (impl, dst, src, len); +#endif HP_TIMING_NOW (stop); HP_TIMING_BEST (best_time, start, stop); } @@ -123,7 +146,9 @@ do_random_tests (void) size_t srcstart, srcend, dststart, dstend; int c; unsigned char *p1, *p2; +#ifndef TEST_BCOPY unsigned char *res; +#endif for (n = 0; n < ITERATIONS; n++) { @@ -178,6 +203,9 @@ do_random_tests (void) { memset (p2 + dststart, c, dstend - dststart); memcpy (p2 + srcstart, p1 + srcstart, srcend - srcstart); +#ifdef TEST_BCOPY + CALL (impl, (char *) (p2 + align1), (char *) (p2 + align2), len); +#else res = (unsigned char *) CALL (impl, (char *) (p2 + align2), (char *) (p2 + align1), len); @@ -187,6 +215,7 @@ do_random_tests (void) n, impl->name, align1, align2, len, res, p2 + align2); ret = 1; } +#endif if (memcmp (p1 + align1, p2 + align2, len)) { error (0, 0, "Iteration %zd - different strings, %s (%zd, %zd, %zd)", diff --git a/string/test-memset.c b/string/test-memset.c index 839b8a1..e8dd406 100644 --- a/string/test-memset.c +++ b/string/test-memset.c @@ -1,5 +1,5 @@ /* Test and measure memset functions. - Copyright (C) 1999, 2002, 2003, 2005 Free Software Foundation, Inc. + Copyright (C) 1999-2012 Free Software Foundation, Inc. This file is part of the GNU C Library. Written by Jakub Jelinek <jakub@redhat.com>, 1999. @@ -21,8 +21,30 @@ #define MIN_PAGE_SIZE 131072 #include "test-string.h" -typedef char *(*proto_t) (char *, int, size_t); char *simple_memset (char *, int, size_t); + +#ifdef TEST_BZERO +typedef void (*proto_t) (char *, size_t); +void simple_bzero (char *, size_t); +void builtin_bzero (char *, size_t); + +IMPL (simple_bzero, 0) +IMPL (builtin_bzero, 0) +IMPL (bzero, 1) + +void +simple_bzero (char *s, size_t n) +{ + simple_memset (s, 0, n); +} + +void +builtin_bzero (char *s, size_t n) +{ + __builtin_bzero (s, n); +} +#else +typedef char *(*proto_t) (char *, int, size_t); char *builtin_memset (char *, int, size_t); IMPL (simple_memset, 0) @@ -30,6 +52,13 @@ IMPL (builtin_memset, 0) IMPL (memset, 1) char * +builtin_memset (char *s, int c, size_t n) +{ + return __builtin_memset (s, c, n); +} +#endif + +char * simple_memset (char *s, int c, size_t n) { char *r = s, *end = s + n; @@ -38,20 +67,20 @@ simple_memset (char *s, int c, size_t n) return s; } -char * -builtin_memset (char *s, int c, size_t n) -{ - return __builtin_memset (s, c, n); -} - static void -do_one_test (impl_t *impl, char *s, int c, size_t n) +do_one_test (impl_t *impl, char *s, int c __attribute ((unused)), size_t n) { - char *res = CALL (impl, s, c, n); char tstbuf[n]; +#ifdef TEST_BZERO + simple_bzero (tstbuf, n); + CALL (impl, s, n); + if (memcmp (s, tstbuf, n) != 0) +#else + char *res = CALL (impl, s, c, n); if (res != s || simple_memset (tstbuf, c, n) != tstbuf || memcmp (s, tstbuf, n) != 0) +#endif { error (0, 0, "Wrong result in function %s", impl->name); ret = 1; @@ -68,7 +97,12 @@ do_one_test (impl_t *impl, char *s, int c, size_t n) for (i = 0; i < 32; ++i) { HP_TIMING_NOW (start); +#ifdef TEST_BZERO + CALL (impl, s, n); +#else CALL (impl, s, c, n); +#endif + HP_TIMING_NOW (stop); HP_TIMING_BEST (best_time, start, stop); } @@ -94,6 +128,7 @@ do_test (size_t align, int c, size_t len) putchar ('\n'); } +#ifndef TEST_BZERO static void do_random_tests (void) { @@ -178,12 +213,13 @@ do_random_tests (void) } } } +#endif int test_main (void) { size_t i; - int c; + int c = 0; test_init (); @@ -192,7 +228,9 @@ test_main (void) printf ("\t%s", impl->name); putchar ('\n'); +#ifndef TEST_BZERO for (c = -65; c <= 130; c += 65) +#endif { for (i = 0; i < 18; ++i) do_test (0, c, 1 << i); @@ -208,7 +246,10 @@ test_main (void) do_test (2, c, 25); } +#ifndef TEST_BZERO do_random_tests (); +#endif + return ret; } diff --git a/sysdeps/x86_64/multiarch/bcopy.S b/sysdeps/x86_64/multiarch/bcopy.S index 11e250f..639f02b 100644 --- a/sysdeps/x86_64/multiarch/bcopy.S +++ b/sysdeps/x86_64/multiarch/bcopy.S @@ -3,5 +3,5 @@ .text ENTRY(bcopy) xchg %rdi, %rsi - jmp HIDDEN_BUILTIN_JUMPTARGET(memmove) + jmp __libc_memmove /* Branch to IFUNC memmove. */ END(bcopy) diff --git a/sysdeps/x86_64/multiarch/bzero.S b/sysdeps/x86_64/multiarch/bzero.S index 92e9fcf..23beab7 100644 --- a/sysdeps/x86_64/multiarch/bzero.S +++ b/sysdeps/x86_64/multiarch/bzero.S @@ -1,5 +1,5 @@ -/* Multiple versions of bzero - Copyright (C) 2010 Free Software Foundation, Inc. +/* bzero. x86-64 version. + Copyright (C) 2010-2012 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 @@ -21,35 +21,8 @@ .text ENTRY(__bzero) - .type __bzero, @gnu_indirect_function - cmpl $0, __cpu_features+KIND_OFFSET(%rip) - jne 1f - call __init_cpu_features -1: leaq __bzero_x86_64(%rip), %rax - testl $bit_Prefer_SSE_for_memop, __cpu_features+FEATURE_OFFSET+index_Prefer_SSE_for_memop(%rip) - jz 2f - leaq __bzero_sse2(%rip), %rax -2: ret -END(__bzero) - - .type __bzero_sse2, @function -__bzero_sse2: - cfi_startproc - CALL_MCOUNT mov %rsi,%rdx /* Adjust parameter. */ xorl %esi,%esi /* Fill with 0s. */ - jmp __memset_sse2 - cfi_endproc - .size __bzero_sse2, .-__bzero_sse2 - - .type __bzero_x86_64, @function -__bzero_x86_64: - cfi_startproc - CALL_MCOUNT - mov %rsi,%rdx /* Adjust parameter. */ - xorl %esi,%esi /* Fill with 0s. */ - jmp __memset_x86_64 - cfi_endproc - .size __bzero_x86_64, .-__bzero_x86_64 - + jmp __libc_memset /* Branch to IFUNC memset. */ +END(__bzero) weak_alias (__bzero, bzero) diff --git a/sysdeps/x86_64/multiarch/memset.S b/sysdeps/x86_64/multiarch/memset.S index 1a7fa2d..10f00bf 100644 --- a/sysdeps/x86_64/multiarch/memset.S +++ b/sysdeps/x86_64/multiarch/memset.S @@ -1,5 +1,5 @@ /* Multiple versions of memset - Copyright (C) 2010 Free Software Foundation, Inc. + Copyright (C) 2010-2012 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 @@ -33,6 +33,11 @@ ENTRY(memset) 2: ret END(memset) +/* Define internal IFUNC memset for bzero. */ + .globl __libc_memset + .hidden __libc_memset + __libc_memset = memset + # define USE_SSE2 1 # undef ENTRY |