/* { dg-do compile } */ /* { dg-options "-O1" } */ /* { dg-final { scan-assembler-times "bclr" 6 } } */ /* { dg-final { scan-assembler-times "bset" 7 } } */ /* { dg-final { scan-assembler-times "bnot" 7 } } */ void test_0 (char* x, unsigned int y) { /* Expect 4x bclr here. */ x[0] &= 0xFE; x[1] = y & ~(1 << 1); x[2] &= 0xFE; x[65000] &= 0xFE; } unsigned int test_1 (unsigned int x, unsigned int y) { /* Expect 1x bclr here. */ return x & ~(1 << y); } unsigned int test_2 (unsigned int x) { /* Expect 1x bclr here. */ return x & ~(1 << 1); } void test_3 (char* x, unsigned int y, unsigned int z) { /* Expect 5x bset here. */ x[0] |= 0x10; x[1] = y | (1 << 1); x[2] |= 0x10; x[65000] |= 0x10; x[5] |= 1 << z; } unsigned int test_4 (unsigned int x, unsigned int y) { /* Expect 1x bset here. */ return x | (1 << y); } unsigned int test_5 (unsigned int x) { /* Expect 1x bset here. */ return x | (1 << 8); } void test_6 (char* x, unsigned int y, unsigned int z) { /* Expect 5x bnot here. */ x[0] ^= 0x10; x[1] = y ^ (1 << 1); x[2] ^= 0x10; x[65000] ^= 0x10; x[5] ^= 1 << z; } unsigned int test_7 (unsigned int x, unsigned int y) { /* Expect 1x bnot here. */ return x ^ (1 << y); } unsigned int test_8 (unsigned int x) { /* Expect 1x bnot here. */ return x ^ (1 << 8); }