code wiki / _hdl_build / nx_evo_enc_r.nx
nx_evo_enc_r.nx
buildroot/runtime/_hdl_build/nx_evo_enc_r.nx
about
nx_evo_enc_r.nx -- EVOLUTIONARY SYNTHESIS of the RV64 R-type encoder (eve "inside",
full encoder family). Target = asm_enc.enc_r (nxasm/asm_enc.nx:18-22):
(funct7<<25)|(rs2<<20)|(rs1<<15)|(funct3<<12)|(rd<<7)|opcode -- 6 fields.
The SEARCH derives the 6-field packing (which input -> which bit position) from
generated full-range examples + held-out, zero Claude composing it. Inputs passed as an
ARRAY (6 fields > 6 args). Genome = 6 terms (src,shift,mask); eval = OR of (in[src] &
mask) << shift. Masks restricted to field widths (<=7-bit) to keep the 6-field search
tractable. I author the MACHINE (substrate); the search derives the encoder. Champion
emitted as evo_enc_r(opcode,funct3,funct7,rd,rs1,rs2). license_tier: ORIGINAL
dependencies 1 imports · 0 importers
imports: nx_syscalls.nx
imported by: nobody (leaf or entry point)
call flow from main pre-order; caps 40 nodes / depth 6 declared; ↻ = already shown
structs
| none |
consts
| 11 | const EVO_MAGIC_2862933555777941757: i64 = 2862933555777941757 |
| 12 | const EVO_MAGIC_3037000493: i64 = 3037000493 |
| 13 | const EVO_MAGIC_999983: i64 = 999983 |
| 14 | const EVO_MAGIC_2654435761: i64 = 2654435761 |
| 15 | const EVO_MAGIC_12345: i64 = 12345 |
| 16 | const EVO_MAGIC_1000000000: i64 = 1000000000 |
| 17 | const EVO_MAGIC_8192: i64 = 8192 |
| 19 | const NIN: i64 = 6 |
| 20 | const NTERMS: i64 = 6 |
| 21 | const EVO_P: i64 = 512 |
| 22 | const EVO_G: i64 = 8000 |
| 23 | const EVO_T: i64 = 6 |
| 24 | const NTRAIN: i64 = 8 |
| 25 | const NHELD: i64 = 4 |
functions
| 27 | func enr_rand(state: *i64) -> i64 { state[0] = state[0] * EVO_MAGIC_2862933555777941757 + EVO_MAGIC_3037000493; return (state[0] >> 17) & 0x3fffffff } |
| 28 | func enr_shl(v: i64, sh: i64) -> i64 called by 1: enr_eval |
| 36 | func enr_shval(sh: i64) -> i64 { if sh == 0 { return 0 } if sh == 1 { return 7 } if sh == 2 { return 12 } if sh == 3 { return 15 } if sh == 4 { return 20 } return 25 } called by 1: main |
| 37 | func enr_and(v: i64, mk: i64) -> i64 { if mk == 0 { return v } if mk == 1 { return v & 0x1F } return v & 0x7F } called by 1: enr_eval |
| 38 | func enr_mkval(mk: i64) -> i64 { if mk == 0 { return 0xFFFFFFFF } if mk == 1 { return 0x1F } return 0x7F } called by 1: main |
| 39 | func enr_width(k: i64) -> i64 { if k == 0 { return 0x7F } if k == 1 { return 0x7 } if k == 2 { return 0x7F } if k == 3 { return 0x1F } if k == 4 { return 0x1F } return 0x1F } called by 1: main |
| 42 | func enr_oracle(inarr: *i64, base: i64) -> i64 called by 1: main |
| 47 | func enr_eval(pop: *i64, pbase: i64, inarr: *i64, ibase: i64) -> i64 |
| 60 | func enr_hamming(a: i64, b: i64) -> i64 called by 1: enr_fit |
| 66 | func enr_fit(pop: *i64, pbase: i64, ex_in: *i64, ex_out: *i64) -> i64 |
| 72 | func enr_randfill(pop: *i64, base: i64, state: *i64) -> i64 |
| 83 | func enr_tourney(fit: *i64, state: *i64) -> i64 |
| 89 | func enr_cat(dst: *u8, off: i64, s: *u8) -> i64 { var i: i64 = 0; while s[i] != (0 as u8) { dst[off+i] = s[i]; i = i + 1 } return off + i } |
| 90 | func enr_catn(dst: *u8, off: i64, v: i64) -> i64 |
| 99 | func enr_p(s: *u8) -> i64 { var n: i64 = 0; while s[n] != (0 as u8) { n = n + 1 } sys_write(1, s, n); return 0 } |
| 100 | func enr_pn(v: i64) -> i64 { let b: *u8 = sys_mmap(32); let n: i64 = enr_catn(b, 0, v); sys_write(1, b, n); return 0 } |
| 101 | func enr_srcname(dst: *u8, off: i64, src: i64) -> i64 calls 1: enr_cat |
| 110 | func main(argc: i64, argv: *i64) -> i64 |