// custom opcodes: recipes, lifted vm code, several outputs, and a fallback enhance clampadd(a, b) micro "a = add a b; a = min a 100; a = max a 0"; enhance cube(x) vm { 0 $ 0 $ * * }; enhance divmod(a, b) -> 2 micro "r2 = sdiv a b" "\n r1 = srem a b\n r0 = r2"; enhance div7(a) micro "a = sdiv a 7"; enhance urem10(a) micro "a = urem a 10"; enhance hi(a, b) micro "a = mulhu a b"; enhance noisy(x) vm { 0 $ . } else soft_noisy; // i/o can't be lifted, so calls use the fallback fn soft_noisy(x) { return x + 1; } let qq, rr, seed = 7; fn rnd() { seed = seed * 1103515245 + 12345; return seed ^ (seed >> 11); } fn main() { let i = 0, a, bad = 0; putn(clampadd(70, 50)); putc(' '); putn(clampadd(-50, 2)); putc(' '); putn(cube(7)); putc(' '); asm { 17 5 divmod rr ! qq ! } putn(qq); putc(','); putn(rr); putc(' '); putn(noisy(4)); putc(' '); putn(hi(-1, -1)); putc(' '); while (i < 5000) { a = rnd(); if (div7(a) != zdiv(a, 7)) bad++; if (urem10(a) < 0 || urem10(a) > 9) bad++; if (a / (i + 1) != zdiv(a, i + 1)) bad++; i++; } putn(bad); putc(10); return 0; }