diff options
author | YamaArashi <shadow962@live.com> | 2016-01-06 01:47:28 -0800 |
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committer | YamaArashi <shadow962@live.com> | 2016-01-06 01:47:28 -0800 |
commit | be8b04496302184c6e8f04d6179f9c3afc50aeb6 (patch) | |
tree | 726e2468c0c07add773c0dbd86ab6386844259ae /gcc/testsuite/gcc.c-torture/execute/memcpy-bi.c |
initial commit
Diffstat (limited to 'gcc/testsuite/gcc.c-torture/execute/memcpy-bi.c')
-rwxr-xr-x | gcc/testsuite/gcc.c-torture/execute/memcpy-bi.c | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.c-torture/execute/memcpy-bi.c b/gcc/testsuite/gcc.c-torture/execute/memcpy-bi.c new file mode 100755 index 0000000..c6d6e03 --- /dev/null +++ b/gcc/testsuite/gcc.c-torture/execute/memcpy-bi.c @@ -0,0 +1,52 @@ +/* Test builtin-memcpy (which may emit different code for different N). */ + +#define TESTSIZE 80 + +char src[TESTSIZE] __attribute__ ((aligned)); +char dst[TESTSIZE] __attribute__ ((aligned)); + +void +check (char *test, char *match, int n) +{ + if (memcmp (test, match, n)) + abort (); +} + +#define TN(n) \ +{ memset (dst, 0, n); memcpy (dst, src, n); check (dst, src, n); } +#define T(n) \ +TN (n) \ +TN ((n) + 1) \ +TN ((n) + 2) \ +TN ((n) + 3) + +main () +{ + int i,j; + + for (i = 0; i < sizeof (src); ++i) + src[i] = 'a' + i % 26; + + T (0); + T (4); + T (8); + T (12); + T (16); + T (20); + T (24); + T (28); + T (32); + T (36); + T (40); + T (44); + T (48); + T (52); + T (56); + T (60); + T (64); + T (68); + T (72); + T (76); + + return 0; +} |