| florian | 9768109 | 2012-10-07 04:00:48 +0000 | [diff] [blame] | 1 | #include <stdio.h> |
| 2 | |
| 3 | #define branch(mask,_v1,_v2) \ |
| 4 | ({ \ |
| 5 | unsigned char taken; \ |
| 6 | unsigned b1 = _v1, b2 = _v2; \ |
| 7 | asm volatile( " cr %[b1],%[b2]\n\t" \ |
| 8 | " brc " #mask " ,1f\n\t" \ |
| 9 | " mvi %[taken],0\n\t" \ |
| 10 | " j 0f\n\t" \ |
| 11 | "1: mvi %[taken],1\n\t" \ |
| 12 | "0: bcr 0,0 /* nop */\n\t" \ |
| 13 | : [taken] "=Q" (taken) \ |
| 14 | : [b1] "d"(b1), [b2] "d"(b2) \ |
| 15 | : "cc"); \ |
| 16 | taken; \ |
| 17 | }) |
| 18 | |
| 19 | void |
| 20 | cr_1(void) |
| 21 | { |
| 22 | int wrong, ok, v1, v2; |
| 23 | |
| 24 | printf("Test #1 op1 == op2\n"); |
| 25 | |
| 26 | v1 = v2 = 42; |
| 27 | wrong = ok = 0; |
| 28 | |
| 29 | if (branch(0, v1, v2)) ++wrong; else ++ok; |
| 30 | if (branch(1, v1, v2)) ++wrong; else ++ok; |
| 31 | if (branch(2, v1, v2)) ++wrong; else ++ok; |
| 32 | if (branch(3, v1, v2)) ++wrong; else ++ok; |
| 33 | if (branch(4, v1, v2)) ++wrong; else ++ok; |
| 34 | if (branch(5, v1, v2)) ++wrong; else ++ok; |
| 35 | if (branch(6, v1, v2)) ++wrong; else ++ok; |
| 36 | if (branch(7, v1, v2)) ++wrong; else ++ok; |
| 37 | if (branch(8, v1, v2)) ++ok; else ++wrong; |
| 38 | if (branch(9, v1, v2)) ++ok; else ++wrong; |
| 39 | if (branch(10, v1, v2)) ++ok; else ++wrong; |
| 40 | if (branch(11, v1, v2)) ++ok; else ++wrong; |
| 41 | if (branch(12, v1, v2)) ++ok; else ++wrong; |
| 42 | if (branch(13, v1, v2)) ++ok; else ++wrong; |
| 43 | if (branch(14, v1, v2)) ++ok; else ++wrong; |
| 44 | if (branch(15, v1, v2)) ++ok; else ++wrong; |
| 45 | |
| 46 | if (wrong != 0 || ok != 16) |
| 47 | printf("FAILED\n"); |
| 48 | else |
| 49 | printf("OK\n"); |
| 50 | } |
| 51 | |
| 52 | void |
| 53 | cr_2(void) |
| 54 | { |
| 55 | int wrong, ok, v1, v2; |
| 56 | |
| 57 | printf("Test #2 op1 > op2\n"); |
| 58 | v1 = 100; |
| 59 | v2 = -10; |
| 60 | wrong = ok = 0; |
| 61 | |
| 62 | if (branch(0, v1, v2)) ++wrong; else ++ok; |
| 63 | if (branch(1, v1, v2)) ++wrong; else ++ok; |
| 64 | if (branch(2, v1, v2)) ++ok; else ++wrong; |
| 65 | if (branch(3, v1, v2)) ++ok; else ++wrong; |
| 66 | if (branch(4, v1, v2)) ++wrong; else ++ok; |
| 67 | if (branch(5, v1, v2)) ++wrong; else ++ok; |
| 68 | if (branch(6, v1, v2)) ++ok; else ++wrong; |
| 69 | if (branch(7, v1, v2)) ++ok; else ++wrong; |
| 70 | if (branch(8, v1, v2)) ++wrong; else ++ok; |
| 71 | if (branch(9, v1, v2)) ++wrong; else ++ok; |
| 72 | if (branch(10, v1, v2)) ++ok; else ++wrong; |
| 73 | if (branch(11, v1, v2)) ++ok; else ++wrong; |
| 74 | if (branch(12, v1, v2)) ++wrong; else ++ok; |
| 75 | if (branch(13, v1, v2)) ++wrong; else ++ok; |
| 76 | if (branch(14, v1, v2)) ++ok; else ++wrong; |
| 77 | if (branch(15, v1, v2)) ++ok; else ++wrong; |
| 78 | |
| 79 | if (wrong != 0 || ok != 16) |
| 80 | printf("FAILED\n"); |
| 81 | else |
| 82 | printf("OK\n"); |
| 83 | } |
| 84 | |
| 85 | void |
| 86 | cr_3(void) |
| 87 | { |
| 88 | int wrong, ok, v1, v2; |
| 89 | |
| 90 | printf("Test #3 op1 < op2\n"); |
| 91 | v1 = -100; |
| 92 | v2 = -10; |
| 93 | wrong = ok = 0; |
| 94 | |
| 95 | if (branch(0, v1, v2)) ++wrong; else ++ok; |
| 96 | if (branch(1, v1, v2)) ++wrong; else ++ok; |
| 97 | if (branch(2, v1, v2)) ++wrong; else ++ok; |
| 98 | if (branch(3, v1, v2)) ++wrong; else ++ok; |
| 99 | if (branch(4, v1, v2)) ++ok; else ++wrong; |
| 100 | if (branch(5, v1, v2)) ++ok; else ++wrong; |
| 101 | if (branch(6, v1, v2)) ++ok; else ++wrong; |
| 102 | if (branch(7, v1, v2)) ++ok; else ++wrong; |
| 103 | if (branch(8, v1, v2)) ++wrong; else ++ok; |
| 104 | if (branch(9, v1, v2)) ++wrong; else ++ok; |
| 105 | if (branch(10, v1, v2)) ++wrong; else ++ok; |
| 106 | if (branch(11, v1, v2)) ++wrong; else ++ok; |
| 107 | if (branch(12, v1, v2)) ++ok; else ++wrong; |
| 108 | if (branch(13, v1, v2)) ++ok; else ++wrong; |
| 109 | if (branch(14, v1, v2)) ++ok; else ++wrong; |
| 110 | if (branch(15, v1, v2)) ++ok; else ++wrong; |
| 111 | |
| 112 | if (wrong != 0 || ok != 16) |
| 113 | printf("FAILED\n"); |
| 114 | else |
| 115 | printf("OK\n"); |
| 116 | } |
| 117 | |
| 118 | int main() |
| 119 | { |
| 120 | cr_1(); |
| 121 | cr_2(); |
| 122 | cr_3(); |
| 123 | return 0; |
| 124 | } |