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lib/strings,wcc,w6l: collapse nested-if to &&/|| at named sites (Wave-2 structural)

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strings.bytesub two endpoint guards, wcc cgdot/cgassign 4-deep
allptr/N_IDENT/localfindnode pyramids, and w6l isarchive's 8 sequential
magic-byte rejects. The isarchive len<8 read-guard stays a separate
statement before the || chain so the byte reads remain bounded. Not
byte-id-neutral (short-circuit emits tighter branches / renumbered
labels) but functionally identical; cs==ww stage-parity holds.
Regenerated all embedding combined.ww.
This commit is contained in:
Hojun-Cho
2026-06-02 22:53:05 +09:00
parent 52d15ae92d
commit aa3aae05b9
9 changed files with 62 additions and 102 deletions
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18
selfhost/cmd/wcc/cgenexpr.ww
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@@ -2926,11 +2926,10 @@ fn cgdot(c: *cgen, n: *node) void = {
croot = croot.lhs;
};
let it: *tinfo = nil;
if (allptr) { if (croot != nil) { if (croot.kind == nkind.N_IDENT) {
if (localfindnode(c, croot.str) != nil) {
it = lhs.type_: *tinfo;
};
}; }; };
if (allptr && croot != nil && croot.kind == nkind.N_IDENT &&
localfindnode(c, croot.str) != nil) {
it = lhs.type_: *tinfo;
};
for (it != nil && it.kind == tykind.TY_NAMED) { it = it.under; };
if (it != nil) { if (it.kind == tykind.TY_PTR) {
let st: *tinfo = it.sub;
@@ -6702,11 +6701,10 @@ fn cgassign(c: *cgen, n: *node) void = {
croot = croot.lhs;
};
let it: *tinfo = nil;
if (allptr) { if (croot != nil) { if (croot.kind == nkind.N_IDENT) {
if (localfindnode(c, croot.str) != nil) {
it = base.type_: *tinfo;
};
}; }; };
if (allptr && croot != nil && croot.kind == nkind.N_IDENT &&
localfindnode(c, croot.str) != nil) {
it = base.type_: *tinfo;
};
for (it != nil && it.kind == tykind.TY_NAMED) { it = it.under; };
if (it != nil) { if (it.kind == tykind.TY_PTR) {
let st: *tinfo = it.sub;