| #include <stdio.h> |
| |
| #define branch(mask,_v1) \ |
| ({ \ |
| unsigned char taken; \ |
| unsigned b1 = _v1; \ |
| asm volatile( " ltr %[b1],%[b1]\n\t" \ |
| " brc " #mask " ,1f\n\t" \ |
| " mvi %[taken],0\n\t" \ |
| " j 0f\n\t" \ |
| "1: mvi %[taken],1\n\t" \ |
| "0: bcr 0,0 /* nop */\n\t" \ |
| : [taken] "=Q" (taken), [b1] "+d"(b1) \ |
| : \ |
| : "cc"); \ |
| taken; \ |
| }) |
| |
| void |
| ltr_1(void) |
| { |
| int wrong, ok, v1; |
| |
| printf("Test #1 value = 0\n"); |
| |
| v1 = 0; |
| wrong = ok = 0; |
| if (branch(0, v1)) ++wrong; else ++ok; |
| if (branch(1, v1)) ++wrong; else ++ok; |
| if (branch(2, v1)) ++wrong; else ++ok; |
| if (branch(3, v1)) ++wrong; else ++ok; |
| if (branch(4, v1)) ++wrong; else ++ok; |
| if (branch(5, v1)) ++wrong; else ++ok; |
| if (branch(6, v1)) ++wrong; else ++ok; |
| if (branch(7, v1)) ++wrong; else ++ok; |
| if (branch(8, v1)) ++ok; else ++wrong; |
| if (branch(9, v1)) ++ok; else ++wrong; |
| if (branch(10, v1)) ++ok; else ++wrong; |
| if (branch(11, v1)) ++ok; else ++wrong; |
| if (branch(12, v1)) ++ok; else ++wrong; |
| if (branch(13, v1)) ++ok; else ++wrong; |
| if (branch(14, v1)) ++ok; else ++wrong; |
| if (branch(15, v1)) ++ok; else ++wrong; |
| |
| if (wrong != 0 || ok != 16) |
| printf("FAILED\n"); |
| else |
| printf("OK\n"); |
| } |
| |
| void |
| ltr_2(void) |
| { |
| int wrong, ok, v1; |
| |
| printf("Test #2 value > 0\n"); |
| v1 = 42; |
| wrong = ok = 0; |
| if (branch(0, v1)) ++wrong; else ++ok; |
| if (branch(1, v1)) ++wrong; else ++ok; |
| if (branch(2, v1)) ++ok; else ++wrong; |
| if (branch(3, v1)) ++ok; else ++wrong; |
| if (branch(4, v1)) ++wrong; else ++ok; |
| if (branch(5, v1)) ++wrong; else ++ok; |
| if (branch(6, v1)) ++ok; else ++wrong; |
| if (branch(7, v1)) ++ok; else ++wrong; |
| if (branch(8, v1)) ++wrong; else ++ok; |
| if (branch(9, v1)) ++wrong; else ++ok; |
| if (branch(10, v1)) ++ok; else ++wrong; |
| if (branch(11, v1)) ++ok; else ++wrong; |
| if (branch(12, v1)) ++wrong; else ++ok; |
| if (branch(13, v1)) ++wrong; else ++ok; |
| if (branch(14, v1)) ++ok; else ++wrong; |
| if (branch(15, v1)) ++ok; else ++wrong; |
| |
| if (wrong != 0 || ok != 16) |
| printf("FAILED\n"); |
| else |
| printf("OK\n"); |
| } |
| |
| void |
| ltr_3(void) |
| { |
| int wrong, ok, v1; |
| |
| printf("Test #3 value < 0\n"); |
| |
| v1 = -100; |
| wrong = ok = 0; |
| if (branch(0, v1)) ++wrong; else ++ok; |
| if (branch(1, v1)) ++wrong; else ++ok; |
| if (branch(2, v1)) ++wrong; else ++ok; |
| if (branch(3, v1)) ++wrong; else ++ok; |
| if (branch(4, v1)) ++ok; else ++wrong; |
| if (branch(5, v1)) ++ok; else ++wrong; |
| if (branch(6, v1)) ++ok; else ++wrong; |
| if (branch(7, v1)) ++ok; else ++wrong; |
| if (branch(8, v1)) ++wrong; else ++ok; |
| if (branch(9, v1)) ++wrong; else ++ok; |
| if (branch(10, v1)) ++wrong; else ++ok; |
| if (branch(11, v1)) ++wrong; else ++ok; |
| if (branch(12, v1)) ++ok; else ++wrong; |
| if (branch(13, v1)) ++ok; else ++wrong; |
| if (branch(14, v1)) ++ok; else ++wrong; |
| if (branch(15, v1)) ++ok; else ++wrong; |
| |
| if (wrong != 0 || ok != 16) |
| printf("FAILED\n"); |
| else |
| printf("OK\n"); |
| } |
| |
| int main() |
| { |
| ltr_1(); |
| ltr_2(); |
| ltr_3(); |
| return 0; |
| } |