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w6c+selfhost: cgassign N_DOT N_INDEX-lhs branch (closes #16)

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Symmetric write-side counterpart of #8, bundled across both stages.
cstage [N]Struct write was broken (1986 gated on TY_PTR); wwstage had
no N_DOT(N_INDEX) write branch at all. New branch covers both
[N]*Struct and [N]Struct via viaptr flag, uses fldstoreop for
scalar/sub-word, MOVSS/MOVSD for float, two-MOVQ for str rhs.
Compound (PLUSEQ etc.) wired for integer scalar.
This commit is contained in:
Hojun-Cho
2026-05-14 00:09:46 +09:00
parent dd92938eff
commit 6354f5267c
6 changed files with 1177 additions and 0 deletions
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7
Makefile
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@@ -218,6 +218,7 @@ TESTS = $(BIN)/test_smoke $(BIN)/test_lex $(BIN)/test_parse $(BIN)/test_check \
$(BIN)/test_at_test $(BIN)/test_let_global \
$(BIN)/test_int_cast_signed $(BIN)/test_dot_chain \
$(BIN)/test_amp_dot $(BIN)/test_arr_elem_field \
$(BIN)/test_arr_elem_field_write \
$(BIN)/test_field_signed $(BIN)/test_frame_argcount \
$(BIN)/test_selfhost $(BIN)/test_w6a_ww $(BIN)/test_w6l_ww \
$(BIN)/test_w6c_ww $(BIN)/test_ww_ww $(BIN)/test_self_rebuild \
@@ -303,6 +304,12 @@ $(BIN)/test_arr_elem_field: test/wcc/680_arr_elem_field.c $(BIN)/ww \
$(LIB)/libwwrt.a | $(BIN)
$(CC) $(CFLAGS) -o $@ $<
$(BIN)/test_arr_elem_field_write: test/wcc/681_arr_elem_field_write.c $(BIN)/ww \
$(BIN)/w6c $(BIN)/w6a $(BIN)/w6l \
$(BIN)/ww_ww $(BIN)/w6c_ww $(BIN)/w6a_ww $(BIN)/w6l_ww \
$(LIB)/libwwrt.a | $(BIN)
$(CC) $(CFLAGS) -o $@ $<
$(BIN)/test_field_signed: test/wcc/660_field_signed.c $(BIN)/ww \
$(BIN)/w6c $(BIN)/w6a $(BIN)/w6l \
$(BIN)/ww_ww $(BIN)/w6c_ww $(BIN)/w6a_ww $(BIN)/w6l_ww \