/* Check that run time alignment tests are generated only for inputs of unknown alignment. */ /* { dg-do compile } */ /* { dg-options "-O2" } */ /* { dg-final { scan-assembler-not "jmp|bsr|jsr" } } */ /* { dg-final { scan-assembler-times {tst #3,r0} 6 } } */ /* { dg-final { scan-assembler-times {or r[0-9],r[0-9]} 1 } } */ int test_00 (const char* x, const char* y) { /* 1x or reg,reg, 1x tst #3,r0 */ return __builtin_strcmp (x, y); } int test_01 (const char* x, const char* y) { /* 1x tst #3,r0 */ return __builtin_strcmp (__builtin_assume_aligned (x, 4), y); } int test_02 (const char* x, const char* y) { /* 1x tst #3,r0 */ return __builtin_strcmp (x, __builtin_assume_aligned (y, 4)); } int test_03 (const char* x, const char* y) { return __builtin_strcmp (__builtin_assume_aligned (x, 4), __builtin_assume_aligned (y, 4)); } int test_04 (const char* x, const char* y) { /* 1x tst #3,r0 */ return __builtin_strcmp (x, "1234567"); } int test_05 (const char* x, const char* y) { /* 1x tst #3,r0 */ return __builtin_strcmp ("1234567", y); } int test_06 (const char* s1) { /* 1x tst #3,r0 */ return __builtin_strncmp (s1, "abcdabcd", 8); } int test_07 (const char* s1) { return __builtin_strncmp (__builtin_assume_aligned (s1, 4), "abcdabcd", 8); }