/* Verify that TST #imm, R0 instruction is generated when QImode or HImode values are tested against a negative constant. */ /* { dg-do compile } */ /* { dg-options "-O2" } */ /* { dg-final { scan-assembler-not "and" } } */ /* { dg-final { scan-assembler-not "exts" } } */ /* { dg-final { scan-assembler-times "tst\t#127,r0" 2 } } */ /* { dg-final { scan-assembler-times "tst\t#255,r0" 1 } } */ /* { dg-final { scan-assembler-times "65407" 1 } } */ /* { dg-final { scan-assembler-times "-129" 2 } } */ /* { dg-final { scan-assembler-times "extu" 1 } } */ int test_00 (unsigned char x) { /* 1x tst #127 */ return x & -129 ? -20 : -40; } int test_01 (signed char x) { /* 1x tst #255 */ return x & -129 ? -20 : -40; } int test_02 (unsigned short x) { /* 1x tst 65407 */ return x & -129 ? -20 : -40; } int test_03 (unsigned short* x) { /* 1x tst -129 */ return x[0] & -129 ? -20 : -40; } int test_04 (unsigned short x) { /* 1x extu.w, 1x tst -129 */ return x & -129 ? x : -1; } int test_05 (unsigned char* x) { /* 1x tst #127 */ return x[0] & -129 ? -20 : -40; }