Hojun-Cho
ab9de65b8e
cgen: sub-slice ptr = base + lo*esz (both stages, #76 )
...
A sub-slice base[lo:hi] advanced its data pointer by lo (element
COUNT) instead of lo*esz (BYTES), so the base pointer was wrong for
any esz>1 element. Pointer arithmetic is membsz-unit per the rt
invariant (ref/hare/rt/ensure.ha:30); esz==1 (u8/str) is unchanged.
Four emission sites, fixed byte-identically across stages (rule 10):
- value path: cmd/w6c/cgen.c N_SLICE <-> cgenexpr.ww cgslice
- call-arg: cmd/w6c/cgen.c:4646 <-> cgenutil.ww pushargsrev
Scaling mirrors the cgindex idiom: esz from the type table (rule 13;
cstage bu->sub->size, wwstage elemsizeofc) gated to an N_IDENT base,
uniform IMULQ (no SHL special-case, no immediate form -- w6a is
reg-reg only). The live lo reg is the multiplicand so the one free
GP (DX value / BX arg) holds esz*lo; lo is preserved for len (hi-lo)
and cap (base_cap-lo, #20 ). The esz==1 path keeps the single ADDQ,
byte-identical to before (#75/#20/str unaffected). Non-ident bases
stay unscaled in both stages (wwstage has no tnode there), tracked
as a #76 residual alongside #74 .
New 943_subslice_ptresz_run: table-driven, dual-driver (ww/ww_ww),
esz in {2,4,8} array+slice base, lo>0, let-form + call-arg form;
asserts s[0]==base[lo] & s[1]==base[lo+1]. Fails on every fixture
pre-fix on both stages, passes post-fix. Registered in Makefile
(TESTS + target) so test/run builds and runs it.
2026-05-25 02:36:54 +09:00
..
2026-05-18 19:22:27 +09:00
2026-05-11 13:49:27 +09:00
2026-05-18 18:25:36 +09:00
2026-05-18 18:25:36 +09:00
2026-05-16 11:17:20 +09:00
2026-05-11 13:49:27 +09:00
2026-05-11 13:49:27 +09:00
2026-05-12 11:35:50 +09:00
2026-05-12 12:45:11 +09:00
2026-05-11 13:49:27 +09:00
2026-05-11 13:49:27 +09:00
2026-05-12 13:44:27 +09:00
2026-05-12 13:37:31 +09:00
2026-05-16 03:00:34 +09:00
2026-05-13 20:06:24 +09:00
2026-05-14 02:44:57 +09:00
2026-05-14 01:58:52 +09:00
2026-05-14 00:36:34 +09:00
2026-05-13 23:45:35 +09:00
2026-05-25 01:59:14 +09:00
2026-05-14 00:21:53 +09:00
2026-05-14 23:45:14 +09:00
2026-05-14 23:26:49 +09:00
2026-05-25 01:59:14 +09:00
2026-05-15 01:39:37 +09:00
2026-05-25 01:59:14 +09:00
2026-05-15 14:16:53 +09:00
2026-05-15 11:24:33 +09:00
2026-05-17 23:17:03 +09:00
2026-05-15 15:06:37 +09:00
2026-05-20 22:11:34 +09:00
2026-05-15 16:43:07 +09:00
2026-05-15 18:13:02 +09:00
2026-05-15 18:14:33 +09:00
2026-05-15 18:45:21 +09:00
2026-05-15 19:07:29 +09:00
2026-05-16 00:07:00 +09:00
2026-05-16 13:58:22 +09:00
2026-05-16 10:47:50 +09:00
2026-05-16 11:17:20 +09:00
2026-05-16 12:20:56 +09:00
2026-05-16 11:37:17 +09:00
2026-05-16 11:17:20 +09:00
2026-05-16 12:52:36 +09:00
2026-05-16 13:45:33 +09:00
2026-05-16 23:32:27 +09:00
2026-05-17 00:00:55 +09:00
2026-05-17 00:27:22 +09:00
2026-05-17 01:40:49 +09:00
2026-05-17 07:25:49 +09:00
2026-05-17 07:33:55 +09:00
2026-05-18 00:15:34 +09:00
2026-05-18 01:51:57 +09:00
2026-05-18 02:20:42 +09:00
2026-05-18 02:49:06 +09:00
2026-05-18 03:15:40 +09:00
2026-05-18 18:25:36 +09:00
2026-05-18 18:25:36 +09:00
2026-05-18 18:25:36 +09:00
2026-05-18 12:01:34 +09:00
2026-05-18 18:25:36 +09:00
2026-05-18 18:25:36 +09:00
2026-05-18 18:25:36 +09:00
2026-05-18 18:25:36 +09:00
2026-05-18 18:25:36 +09:00
2026-05-18 16:00:31 +09:00
2026-05-18 19:22:27 +09:00
2026-05-18 19:22:27 +09:00
2026-05-18 19:40:41 +09:00
2026-05-18 19:55:30 +09:00
2026-05-24 08:11:14 +09:00
2026-05-18 20:55:37 +09:00
2026-05-18 21:13:42 +09:00
2026-05-18 23:01:09 +09:00
2026-05-18 23:37:16 +09:00
2026-05-18 23:56:58 +09:00
2026-05-19 00:58:28 +09:00
2026-05-19 02:13:58 +09:00
2026-05-19 03:09:34 +09:00
2026-05-19 03:39:42 +09:00
2026-05-19 04:04:41 +09:00
2026-05-19 04:56:56 +09:00
2026-05-19 10:44:16 +09:00
2026-05-19 12:30:36 +09:00
2026-05-19 13:43:45 +09:00
2026-05-19 15:09:57 +09:00
2026-05-20 02:27:17 +09:00
2026-05-24 08:11:14 +09:00
2026-05-22 00:14:36 +09:00
2026-05-11 13:49:27 +09:00
2026-05-12 13:50:09 +09:00
2026-05-19 11:41:36 +09:00
2026-05-12 03:14:20 +09:00
2026-05-17 07:25:49 +09:00
2026-05-17 07:33:55 +09:00
2026-05-18 00:15:34 +09:00
2026-05-18 01:51:57 +09:00
2026-05-18 02:20:42 +09:00
2026-05-24 09:19:20 +09:00
2026-05-18 18:25:36 +09:00
2026-05-18 12:01:34 +09:00
2026-05-23 21:22:24 +09:00
2026-05-24 12:27:15 +09:00
2026-05-24 13:31:58 +09:00
2026-05-24 13:57:20 +09:00
2026-05-24 14:22:25 +09:00
2026-05-24 14:57:05 +09:00
2026-05-24 15:35:37 +09:00
2026-05-24 16:18:49 +09:00
2026-05-24 16:54:14 +09:00
2026-05-24 17:29:20 +09:00
2026-05-25 00:20:16 +09:00
2026-05-25 01:59:14 +09:00
2026-05-25 02:36:54 +09:00
2026-05-20 01:09:16 +09:00
2026-05-18 19:22:27 +09:00
2026-05-18 00:48:14 +09:00
2026-05-17 23:46:34 +09:00
2026-05-18 19:22:27 +09:00
2026-05-18 19:22:27 +09:00
2026-05-18 19:22:27 +09:00
2026-05-15 15:48:13 +09:00
2026-05-15 17:13:32 +09:00
2026-05-15 17:14:49 +09:00
2026-05-16 02:42:41 +09:00
2026-05-17 02:51:15 +09:00
2026-05-17 02:40:40 +09:00
2026-05-17 07:07:57 +09:00
2026-05-15 00:26:10 +09:00
2026-05-15 00:27:38 +09:00
2026-05-18 19:22:27 +09:00
2026-05-15 09:00:34 +09:00
2026-05-15 09:00:34 +09:00
2026-05-15 09:00:34 +09:00
2026-05-15 09:00:34 +09:00
2026-05-15 09:00:34 +09:00
2026-05-15 09:00:34 +09:00
2026-05-15 09:00:34 +09:00
2026-05-21 16:32:27 +09:00
2026-05-21 16:32:27 +09:00
2026-05-21 16:32:27 +09:00
2026-05-21 16:32:27 +09:00
2026-05-21 16:32:27 +09:00
2026-05-21 18:07:13 +09:00
2026-05-11 17:52:29 +09:00
2026-05-12 03:58:55 +09:00
2026-05-14 02:51:49 +09:00
2026-05-15 09:00:34 +09:00