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memcmp-1.c: Reduce runtime to something reasonable.

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2018-01-10  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>

	* gcc.dg/memcmp-1.c: Reduce runtime to something reasonable.

From-SVN: r256443
This commit is contained in:
Aaron Sawdey 2018-01-10 18:30:41 +00:00 • committed by Aaron Sawdey
parent 7074b41bdc
commit ec2f999b10
2 changed files with 25 additions and 18 deletions
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4
gcc/testsuite/ChangeLog
View file

@ -1,3 +1,7 @@
2018-01-10 Aaron Sawdey <acsawdey@linux.vnet.ibm.com>
* gcc.dg/memcmp-1.c: Reduce runtime to something reasonable.
2018-01-10 Marek Polacek <polacek@redhat.com>
PR c++/82541

39
gcc/testsuite/gcc.dg/memcmp-1.c
View file

@ -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 = (sz<MAX_SZ)?sz:MAX_SZ;
size_t diff_pos, zero_pos;
uint32_t e;
@ -111,8 +119,8 @@ static void test_driver_memcmp (void (test_memcmp)(const char *, const char *, i
(*test_strncmp)(buf1,buf2,e);
}
}
for(diff_pos = ((test_sz>10)?(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
}