From ec2f999b10ef09473c1cc227314071712899b2e7 Mon Sep 17 00:00:00 2001 From: Aaron Sawdey Date: Wed, 10 Jan 2018 18:30:41 +0000 Subject: [PATCH] memcmp-1.c: Reduce runtime to something reasonable. 2018-01-10 Aaron Sawdey * gcc.dg/memcmp-1.c: Reduce runtime to something reasonable. From-SVN: r256443 --- gcc/testsuite/ChangeLog | 4 ++++ gcc/testsuite/gcc.dg/memcmp-1.c | 39 ++++++++++++++++++--------------- 2 files changed, 25 insertions(+), 18 deletions(-) diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 3936188e2f4..6431aa42928 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,7 @@ +2018-01-10 Aaron Sawdey + + * gcc.dg/memcmp-1.c: Reduce runtime to something reasonable. + 2018-01-10 Marek Polacek PR c++/82541 diff --git a/gcc/testsuite/gcc.dg/memcmp-1.c b/gcc/testsuite/gcc.dg/memcmp-1.c index 889c7ed9061..a79db512b66 100644 --- a/gcc/testsuite/gcc.dg/memcmp-1.c +++ b/gcc/testsuite/gcc.dg/memcmp-1.c @@ -12,8 +12,20 @@ int lib_memcmp(const void *a, const void *b, size_t n) asm("memcmp"); int lib_strncmp(const char *a, const char *b, size_t n) asm("strncmp"); #ifndef NRAND +#ifdef TEST_ALL #define NRAND 10000 +#else +#define NRAND 500 +#endif +#endif +#ifndef TZONE +#ifdef TEST_ALL +#define TZONE 16 +#else +#define TZONE 8 #endif +#endif + #define MAX_SZ 600 #define DEF_RS(ALIGN) \ @@ -33,9 +45,7 @@ static void test_memcmp_runtime_size_ ## ALIGN (const char *str1, \ b = four+i*ALIGN+j*(4096-2*i*ALIGN); \ memcpy(a,str1,sz); \ memcpy(b,str2,sz); \ - asm(" "); \ r = memcmp(a,b,sz); \ - asm(" "); \ if ( r < 0 && !(expect < 0) ) abort(); \ if ( r > 0 && !(expect > 0) ) abort(); \ if ( r == 0 && !(expect == 0) ) abort(); \ @@ -67,15 +77,13 @@ static void test_memcmp_runtime_size (const char *str1, const char *str2, { for (a1=0; a1 < 2*sizeof(void *); a1++) { + a = three+i*a1+j*(4096-2*i*a1); + memcpy(a,str1,sz); for (a2=0; a2 < 2*sizeof(void *); a2++) { - a = three+i*a1+j*(4096-2*i*a1); b = four+i*a2+j*(4096-2*i*a2); - memcpy(a,str1,sz); memcpy(b,str2,sz); - asm(" "); r = memcmp(a,b,sz); - asm(" "); if ( r < 0 && !(expect < 0) ) abort(); if ( r > 0 && !(expect > 0) ) abort(); if ( r == 0 && !(expect == 0) ) abort(); @@ -89,7 +97,7 @@ static void test_driver_memcmp (void (test_memcmp)(const char *, const char *, i void (test_strncmp)(const char *, const char *, int), size_t sz, int align) { - char buf1[MAX_SZ*2+10],buf2[MAX_SZ*2+10]; + char buf1[MAX_SZ*2+TZONE],buf2[MAX_SZ*2+TZONE]; size_t test_sz = (sz10)?(test_sz-10):0); diff_pos < test_sz+10; diff_pos++) - for(zero_pos = ((test_sz>10)?(test_sz-10):0); zero_pos < test_sz+10; zero_pos++) + for(diff_pos = ((test_sz>TZONE)?(test_sz-TZONE):0); diff_pos < test_sz+TZONE; diff_pos++) + for(zero_pos = ((test_sz>TZONE)?(test_sz-TZONE):0); zero_pos < test_sz+TZONE; zero_pos++) { memset(buf1, 'A', 2*test_sz); memset(buf2, 'A', 2*test_sz); @@ -125,7 +133,6 @@ static void test_driver_memcmp (void (test_memcmp)(const char *, const char *, i (*test_memcmp)(buf2,buf2,0); test_memcmp_runtime_size (buf1, buf2, sz, e); test_memcmp_runtime_size (buf2, buf1, sz, -e); - test_memcmp_runtime_size (buf2, buf2, sz, 0); e = lib_strncmp(buf1,buf2,sz); (*test_strncmp)(buf1,buf2,e); (*test_strncmp)(buf2,buf1,-e); @@ -470,10 +477,8 @@ DEF_TEST(8,1) DEF_TEST(9,1) DEF_TEST(16,1) DEF_TEST(32,1) -DEF_TEST(100,1) -DEF_TEST(100,8) -DEF_TEST(180,1) -DEF_TEST(180,8) +DEF_TEST(33,8) +DEF_TEST(49,1) #endif int @@ -753,9 +758,7 @@ main(int argc, char **argv) RUN_TEST(9,1) RUN_TEST(16,1) RUN_TEST(32,1) - RUN_TEST(100,1) - RUN_TEST(100,8) - RUN_TEST(180,1) - RUN_TEST(180,8) + RUN_TEST(33,8) + RUN_TEST(49,1) #endif } -- 2.30.2