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69a817f0f3cf714822ad7110cb3459e184dacced
ww/test/wcc
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Hojun-Cho 69a817f0f3 selfhost+test: decompose user-struct by-value params (#11) 
wwstage param-slot allocator dispatched isfloat/istagged/isslice/
isstr/catch-all and skipped TY_STRUCT. `fn(a: S, b: S)` where S is
16B emitted $16 frame (DI/SI only); cstage emits $32 (DI/SI/DX/CX)
per SysV ABI.

Two-site fix mirroring cmd/w6c/cgen.c:6820 (callee prologue) and
:4240 (caller push):

- New structparamsize(c, t) helper in cgenutil.ww resolves the
  TY_STRUCT TNAME chain, returns totsize for sizes (0,16], else 0.
  >16B drops to stack — bug-compat with cstage's <=16 gate.
- New struct arm in cgfnparams + matching cgfn pre-scan in
  cgendecl.ww. nw = (size>8) ? 2 : 1; partial-fit stitch (idx=5
  + nw=2) emits one reg + one stack tail.
- New struct branch in pushargsrev N_IDENT arm: MOVQ + PUSHQ
  high→low so cgcall's existing pop drains correctly.

Test 717: 4 rows × {cstage, wwstage, asm-id}. Headline 2×16B,
mixed 16B+8B (caller-side surface), str+struct regression guard,
partial-fit 5×i64+16B stitch.
2026-05-17 00:27:22 +09:00
..
data
test: extend 708 with mlet/forrange/mcase shadow rows (#28)
2026-05-16 10:47:50 +09:00
000_smoke.c
ww: rename toolchain to w-prefix + hare-style build/run/test driver
2026-05-11 13:49:27 +09:00
100_lex.c
ww: rename toolchain to w-prefix + hare-style build/run/test driver
2026-05-11 13:49:27 +09:00
200_parse.c
wcc: Hare-style enum [storage] { ... } type
2026-05-12 04:15:31 +09:00
300_check.c
cstage+selfhost+test: refuse same-block let / param redecl (#32)
2026-05-16 11:17:20 +09:00
400_w6c.c
ww: rename toolchain to w-prefix + hare-style build/run/test driver
2026-05-11 13:49:27 +09:00
500_w6a.c
ww: rename toolchain to w-prefix + hare-style build/run/test driver
2026-05-11 13:49:27 +09:00
510_dataw.c
w6a: DATAW directive for writable .data section
2026-05-12 11:35:50 +09:00
520_datar.c
w6a+w6l: DATAR directive for absolute-address relocs in .data
2026-05-12 12:45:11 +09:00
600_w6l.c
ww: rename toolchain to w-prefix + hare-style build/run/test driver
2026-05-11 13:49:27 +09:00
610_arch.c
ww: rename toolchain to w-prefix + hare-style build/run/test driver
2026-05-11 13:49:27 +09:00
620_data_link.c
w6l+selfhost: BSS optimisation — trim trailing .data zeros from filesz
2026-05-12 13:44:27 +09:00
630_let_global.c
w6c: slice reassignment — full triple flow through N_IDENT/N_SLICE/N_ASSIGN
2026-05-12 13:37:31 +09:00
631_def_neg_global.c
cstage+selfhost+test: fold unary-over-literal in def DATA emit (#24)
2026-05-16 03:00:34 +09:00
640_int_cast_signed.c
w6c+selfhost: cgen N_CAST signed narrow + peel !T on unsigned narrow
2026-05-13 20:06:24 +09:00
650_dot_chain.c
w6c+selfhost: cgen *T-rooted chained N_DOT (closes #22)
2026-05-14 02:44:57 +09:00
660_field_signed.c
w6c+selfhost: localloadop helper for sign-aware ident loads (closes #19)
2026-05-14 01:58:52 +09:00
670_frame_argcount.c
selfhost: cgfnparams variadic T... straddle stitch (closes #12)
2026-05-14 00:36:34 +09:00
680_arr_elem_field.c
w6c+selfhost: cgen N_DOT N_INDEX-lhs branch (closes #8)
2026-05-13 23:45:35 +09:00
681_arr_elem_field_write.c
w6c+selfhost: cg_widen_tagged_store basereg + N_ASSIGN tagged field (closes #26)
2026-05-14 19:12:20 +09:00
690_amp_dot.c
wcc: &s.len / &s.cap typed as *i64 (closes #13)
2026-05-14 00:21:53 +09:00
691_dot_slice_arg.c
w6c+selfhost: cgen N_DOT slice-field through *T root in call args (closes #29)
2026-05-14 23:45:14 +09:00
692_dot_str_chained_arg.c
selfhost: nodeisstr chained-str through value-struct in call args (closes #30)
2026-05-14 23:26:49 +09:00
693_dot_tagged_source.c
w6c+selfhost: cgdot N_DOT tagged-field source ABI (closes #28)
2026-05-15 01:08:52 +09:00
694_tagged_store_intlit.c
selfhost: parser tsuffix plumb + cgen N_UN peel for tagged-store variant index (closes #32)
2026-05-15 01:39:37 +09:00
695_match_bind_struct.c
selfhost: cgmatch bsz for TY_STRUCT variant bind (closes #31)
2026-05-15 02:14:00 +09:00
696_modtype_leaf_collision.c
lib+test: bufio rename bstream → stream
2026-05-15 14:16:53 +09:00
697_samemod_prefer.c
w6c+selfhost: same-module preference for bare-leaf lookup
2026-05-15 11:24:33 +09:00
698_cgreturn_struct.c
cstage+selfhost+test: cgreturn TY_STRUCT <=24B via AX/DX/CX
2026-05-15 15:19:38 +09:00
699_use_promote_alias.c
cstage+test: SK_USE→SK_X promotion sets use_alias
2026-05-15 15:06:37 +09:00
700_e2e.c
lib+test: fmt rename fprint→fdprint; add io.stream fprint sink
2026-05-15 11:34:47 +09:00
701_cgassign_struct.c
cstage+selfhost+test: cgen N_ASSIGN whole-STRUCT (call+structlit, 5 sites)
2026-05-15 16:43:07 +09:00
702_dot_explicit_deref.c
cstage+selfhost+test: fix (*p).f silent drop in N_DOT lhs (read+write)
2026-05-15 18:13:02 +09:00
703_nested_structlit.c
cstage+selfhost+test: fix nested STRUCTLIT silent zero in BP-relative fills
2026-05-15 18:14:33 +09:00
704_dot_structlit.c
cstage+selfhost+test: extend structlit-fill helper to N_ASSIGN N_DOT lhs (4 flavors)
2026-05-15 18:45:21 +09:00
705_nested_call_rhs.c
cstage+selfhost+test: fix nested call-rhs silent zero in structlit fill (3rd of family)
2026-05-15 19:07:29 +09:00
706_fnlabel_mangle.c
selfhost+test: cgdot LEAQ-of-fn for module-qualified N_DOT (#12)
2026-05-16 00:07:00 +09:00
707_cgreturn_variant_zero.c
selfhost+test: resolve aliased tagged in taggedvariantindex (#20)
2026-05-16 13:58:22 +09:00
708_param_shadow_mod.c
test: extend 708 with mlet/forrange/mcase shadow rows (#28)
2026-05-16 10:47:50 +09:00
709_localoff_scope.c
cstage+selfhost+test: refuse same-block let / param redecl (#32)
2026-05-16 11:17:20 +09:00
710_cast_enum_movl.c
cstage+selfhost+test: principled identity-cast skip (#33)
2026-05-16 12:20:56 +09:00
711_arrlit_str_full.c
selfhost+test: nodeisstr handles N_INDEX of [N]str (#34)
2026-05-16 11:37:17 +09:00
712_redecl.c
cstage+selfhost+test: refuse same-block let / param redecl (#32)
2026-05-16 11:17:20 +09:00
713_struct_field_index.c
selfhost+test: wwstage type-info loss through struct-field N_INDEX (#37)
2026-05-16 12:52:36 +09:00
714_tagged_return_scratch.c
selfhost+test: single-source-of-truth @tagscr scratch reservation (#38)
2026-05-16 13:45:33 +09:00
715_tagged_widen_f64.c
test: revert 715 hex-RHS to decimal-u64 (close #41)
2026-05-16 23:32:27 +09:00
716_match_spill_pointer_payload.c
selfhost+test: size match-spill slot by scrutinee, not 24B (#9)
2026-05-17 00:00:55 +09:00
717_struct_byval_param.c
selfhost+test: decompose user-struct by-value params (#11)
2026-05-17 00:27:22 +09:00
800_ffi.c
ww: rename toolchain to w-prefix + hare-style build/run/test driver
2026-05-11 13:49:27 +09:00
810_dyn.c
w6l+selfhost: dynamic-link + .data — shared R+W segment
2026-05-12 13:50:09 +09:00
900_stdlib.c
lib+test: fmt rename fprint→fdprint; add io.stream fprint sink
2026-05-15 11:34:47 +09:00
910_at_test.c
wcc: @test marker attributes + runner
2026-05-12 03:14:20 +09:00
950_selfcheck.c
selfhost: is/as validity + let/return assignability checks
2026-05-12 03:49:09 +09:00
970_fmt_run.c
lib+test: fmt rename fprint→fdprint; add io.stream fprint sink
2026-05-15 11:34:47 +09:00
971_log_run.c
lib+test: add log over io.stream sink
2026-05-15 14:05:55 +09:00
972_fnmatch_run.c
lib+test: add fnmatch over Hare sea-of-stars
2026-05-15 15:11:59 +09:00
973_shlex_run.c
lib+test: add shlex (POSIX split/quote) + strings.freeall
2026-05-15 15:48:13 +09:00
974_getenv_run.c
rt+lib/os+test: capture envp; add os.getenv
2026-05-15 17:13:32 +09:00
975_dirs_run.c
lib/dirs+lib/os+test: add lib/dirs (XDG paths) + os.mkdirs
2026-05-15 17:14:49 +09:00
976_stat_run.c
lib/os+test: add stat / lstat / fstat / exists
2026-05-16 02:42:41 +09:00
980_memio_run.c
test: wire lib/memio/memiotest.ww into make test
2026-05-15 00:26:10 +09:00
981_temp_run.c
test: wire lib/temp/temptest.ww into make test
2026-05-15 00:27:38 +09:00
982_getopt_run.c
test: wire lib/getopt/getopttest.ww into make test
2026-05-15 00:28:59 +09:00
983_base32_run.c
test: wire 8 stdlib tests into make test
2026-05-15 09:00:34 +09:00
984_base64_run.c
test: wire 8 stdlib tests into make test
2026-05-15 09:00:34 +09:00
985_adler32_run.c
test: wire 8 stdlib tests into make test
2026-05-15 09:00:34 +09:00
986_crc16_run.c
test: wire 8 stdlib tests into make test
2026-05-15 09:00:34 +09:00
987_crc32_run.c
test: wire 8 stdlib tests into make test
2026-05-15 09:00:34 +09:00
988_crc64_run.c
test: wire 8 stdlib tests into make test
2026-05-15 09:00:34 +09:00
989_siphash_run.c
test: wire 8 stdlib tests into make test
2026-05-15 09:00:34 +09:00
990_selfhost.c
lib+test/wcc: add memio, rename io stream.ww→io.ww
2026-05-13 16:07:18 +09:00
991_w6a_ww.c
ww: rename toolchain to w-prefix + hare-style build/run/test driver
2026-05-11 13:49:27 +09:00
992_w6l_ww.c
ww: rename toolchain to w-prefix + hare-style build/run/test driver
2026-05-11 13:49:27 +09:00
993_ww_ww.c
ww: split parse.ww into parse/{parse,expr,stmt,decl}.ww submodule
2026-05-11 16:48:58 +09:00
994_w6c_ww.c
selfhost: port forrange — N_FORRANGE parser + cgen + tuple destructure
2026-05-12 16:21:13 +09:00
995_self_rebuild.c
ww: split parse.ww into parse/{parse,expr,stmt,decl}.ww submodule
2026-05-11 16:48:58 +09:00
996_dyn_ww.c
w6c: float-aware unary minus (fix -1.0 emitting +1.0 bit pattern)
2026-05-11 17:52:29 +09:00
997_at_test_ww.c
selfhost: mirror @test runner via ww_ww (997_at_test_ww)
2026-05-12 03:58:55 +09:00
998_bufio_run.c
test: wire lib/bufio/bufiotest.ww into make test (closes #23)
2026-05-14 02:51:49 +09:00
999_random_run.c
test: wire 8 stdlib tests into make test
2026-05-15 09:00:34 +09:00