#include #define branch(mask,i2,_v1) \ ({ \ unsigned char taken; \ unsigned char v1 = _v1; \ asm volatile( " tm %[v]," #i2 "\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) \ : [v] "Q"(v1) \ : "cc"); \ taken; \ }) void tm_mask_0(void) { int wrong, ok; unsigned char v; printf("Test #1 mask == 0, value == ~0 --> cc == 0\n"); v = ~0; wrong = ok = 0; if (branch(0, 0, v)) ++wrong; else ++ok; if (branch(1, 0, v)) ++wrong; else ++ok; if (branch(2, 0, v)) ++wrong; else ++ok; if (branch(3, 0, v)) ++wrong; else ++ok; if (branch(4, 0, v)) ++wrong; else ++ok; if (branch(5, 0, v)) ++wrong; else ++ok; if (branch(6, 0, v)) ++wrong; else ++ok; if (branch(7, 0, v)) ++wrong; else ++ok; if (branch(8, 0, v)) ++ok; else ++wrong; if (branch(9, 0, v)) ++ok; else ++wrong; if (branch(10, 0, v)) ++ok; else ++wrong; if (branch(11, 0, v)) ++ok; else ++wrong; if (branch(12, 0, v)) ++ok; else ++wrong; if (branch(13, 0, v)) ++ok; else ++wrong; if (branch(14, 0, v)) ++ok; else ++wrong; if (branch(15, 0, v)) ++ok; else ++wrong; if (wrong != 0 || ok != 16) printf("FAILED\n"); else printf("OK\n"); } void tm_value_0(void) { int wrong, ok; unsigned char v; printf("Test #2 mask == 0xFF, value == 0 --> cc == 0\n"); v = 0; wrong = ok = 0; if (branch(0, 0xFF, v)) ++wrong; else ++ok; if (branch(1, 0xFF, v)) ++wrong; else ++ok; if (branch(2, 0xFF, v)) ++wrong; else ++ok; if (branch(3, 0xFF, v)) ++wrong; else ++ok; if (branch(4, 0xFF, v)) ++wrong; else ++ok; if (branch(5, 0xFF, v)) ++wrong; else ++ok; if (branch(6, 0xFF, v)) ++wrong; else ++ok; if (branch(7, 0xFF, v)) ++wrong; else ++ok; if (branch(8, 0xFF, v)) ++ok; else ++wrong; if (branch(9, 0xFF, v)) ++ok; else ++wrong; if (branch(10, 0xFF, v)) ++ok; else ++wrong; if (branch(11, 0xFF, v)) ++ok; else ++wrong; if (branch(12, 0xFF, v)) ++ok; else ++wrong; if (branch(13, 0xFF, v)) ++ok; else ++wrong; if (branch(14, 0xFF, v)) ++ok; else ++wrong; if (branch(15, 0xFF, v)) ++ok; else ++wrong; if (wrong != 0 || ok != 16) printf("FAILED\n"); else printf("OK\n"); } void tm_all_selected_bits_set_1(void) { int wrong, ok; unsigned char v; printf("Test #3 mask == 0xFF, value == 0xFF --> cc == 3\n"); v = 0xFF; wrong = ok = 0; if (branch(0, 0xFF, v)) ++wrong; else ++ok; if (branch(1, 0xFF, v)) ++ok; else ++wrong; if (branch(2, 0xFF, v)) ++wrong; else ++ok; if (branch(3, 0xFF, v)) ++ok; else ++wrong; if (branch(4, 0xFF, v)) ++wrong; else ++ok; if (branch(5, 0xFF, v)) ++ok; else ++wrong; if (branch(6, 0xFF, v)) ++wrong; else ++ok; if (branch(7, 0xFF, v)) ++ok; else ++wrong; if (branch(8, 0xFF, v)) ++wrong; else ++ok; if (branch(9, 0xFF, v)) ++ok; else ++wrong; if (branch(10, 0xFF, v)) ++wrong; else ++ok; if (branch(11, 0xFF, v)) ++ok; else ++wrong; if (branch(12, 0xFF, v)) ++wrong; else ++ok; if (branch(13, 0xFF, v)) ++ok; else ++wrong; if (branch(14, 0xFF, v)) ++wrong; else ++ok; if (branch(15, 0xFF, v)) ++ok; else ++wrong; if (wrong != 0 || ok != 16) printf("FAILED\n"); else printf("OK\n"); } void tm_all_selected_bits_set_2(void) { int wrong, ok; unsigned char v; printf("Test #4 mask == 0x80, value == 0x80 --> cc == 3\n"); v = 0x80; wrong = ok = 0; if (branch(0, 0x80, v)) ++wrong; else ++ok; if (branch(1, 0x80, v)) ++ok; else ++wrong; if (branch(2, 0x80, v)) ++wrong; else ++ok; if (branch(3, 0x80, v)) ++ok; else ++wrong; if (branch(4, 0x80, v)) ++wrong; else ++ok; if (branch(5, 0x80, v)) ++ok; else ++wrong; if (branch(6, 0x80, v)) ++wrong; else ++ok; if (branch(7, 0x80, v)) ++ok; else ++wrong; if (branch(8, 0x80, v)) ++wrong; else ++ok; if (branch(9, 0x80, v)) ++ok; else ++wrong; if (branch(10, 0x80, v)) ++wrong; else ++ok; if (branch(11, 0x80, v)) ++ok; else ++wrong; if (branch(12, 0x80, v)) ++wrong; else ++ok; if (branch(13, 0x80, v)) ++ok; else ++wrong; if (branch(14, 0x80, v)) ++wrong; else ++ok; if (branch(15, 0x80, v)) ++ok; else ++wrong; if (wrong != 0 || ok != 16) printf("FAILED\n"); else printf("OK\n"); } void tm_some_selected_bits_set_msb_set(void) { int wrong, ok; unsigned char v; printf("Test #5 mask == 0xF0, value == 0x90 --> cc == 1\n"); v = 0x90; wrong = ok = 0; if (branch(0, 0xF0, v)) ++wrong; else ++ok; if (branch(1, 0xF0, v)) ++wrong; else ++ok; if (branch(2, 0xF0, v)) ++wrong; else ++ok; if (branch(3, 0xF0, v)) ++wrong; else ++ok; if (branch(4, 0xF0, v)) ++ok; else ++wrong; if (branch(5, 0xF0, v)) ++ok; else ++wrong; if (branch(6, 0xF0, v)) ++ok; else ++wrong; if (branch(7, 0xF0, v)) ++ok; else ++wrong; if (branch(8, 0xF0, v)) ++wrong; else ++ok; if (branch(9, 0xF0, v)) ++wrong; else ++ok; if (branch(10, 0xF0, v)) ++wrong; else ++ok; if (branch(11, 0xF0, v)) ++wrong; else ++ok; if (branch(12, 0xF0, v)) ++ok; else ++wrong; if (branch(13, 0xF0, v)) ++ok; else ++wrong; if (branch(14, 0xF0, v)) ++ok; else ++wrong; if (branch(15, 0xF0, v)) ++ok; else ++wrong; if (wrong != 0 || ok != 16) printf("FAILED\n"); else printf("OK\n"); } void tm_some_selected_bits_set_msb_not_set(void) { int wrong, ok; unsigned char v; printf("Test #6 mask == 0xF0, value == 0x30 --> cc == 1\n"); v = 0x30; wrong = ok = 0; if (branch(0, 0xF0, v)) ++wrong; else ++ok; if (branch(1, 0xF0, v)) ++wrong; else ++ok; if (branch(2, 0xF0, v)) ++wrong; else ++ok; if (branch(3, 0xF0, v)) ++wrong; else ++ok; if (branch(4, 0xF0, v)) ++ok; else ++wrong; if (branch(5, 0xF0, v)) ++ok; else ++wrong; if (branch(6, 0xF0, v)) ++ok; else ++wrong; if (branch(7, 0xF0, v)) ++ok; else ++wrong; if (branch(8, 0xF0, v)) ++wrong; else ++ok; if (branch(9, 0xF0, v)) ++wrong; else ++ok; if (branch(10, 0xF0, v)) ++wrong; else ++ok; if (branch(11, 0xF0, v)) ++wrong; else ++ok; if (branch(12, 0xF0, v)) ++ok; else ++wrong; if (branch(13, 0xF0, v)) ++ok; else ++wrong; if (branch(14, 0xF0, v)) ++ok; else ++wrong; if (branch(15, 0xF0, v)) ++ok; else ++wrong; if (wrong != 0 || ok != 16) printf("FAILED\n"); else printf("OK\n"); } int main() { tm_mask_0(); tm_value_0(); tm_all_selected_bits_set_1(); tm_all_selected_bits_set_2(); tm_some_selected_bits_set_msb_set(); tm_some_selected_bits_set_msb_not_set(); return 0; }