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selfhost: cgfn pre-scan SysV-class accounting (closes #7)

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Mirrors cgen.c §5130-5223 / cgfnparams: reg-spill, tagged-partial-fit,
pure-stack. Pure-stack does not bump cursor (cstage semantics). Fixes
16B over-allocation on 7+ arg functions; bootstrap stays byte-identical.

Slice/str at reg/stack straddle is deferred to task #11 (cgfnparams
doesn't stitch them either); pre-scan stays symmetric until then.
This commit is contained in:
Hojun-Cho
2026-05-13 22:40:43 +09:00
parent c4b3aca5e4
commit 5c8724845a
5 changed files with 408 additions and 37 deletions
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8
Makefile
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@@ -217,7 +217,7 @@ TESTS = $(BIN)/test_smoke $(BIN)/test_lex $(BIN)/test_parse $(BIN)/test_check \
$(BIN)/test_e2e $(BIN)/test_ffi $(BIN)/test_dyn $(BIN)/test_stdlib \
$(BIN)/test_at_test $(BIN)/test_let_global \
$(BIN)/test_int_cast_signed $(BIN)/test_dot_chain \
$(BIN)/test_field_signed \
$(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 \
$(BIN)/test_dyn_ww $(BIN)/test_selfcheck $(BIN)/test_at_test_ww
@@ -296,6 +296,12 @@ $(BIN)/test_field_signed: test/wcc/660_field_signed.c $(BIN)/ww \
$(LIB)/libwwrt.a | $(BIN)
$(CC) $(CFLAGS) -o $@ $<
$(BIN)/test_frame_argcount: test/wcc/670_frame_argcount.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_selfhost: test/wcc/990_selfhost.c $(BIN)/w6c $(BIN)/w6a $(BIN)/w6l \
$(BIN)/ww $(BIN)/wwdump $(BIN)/wwdump_ww $(LIB)/libwwrt.a | $(BIN)
$(CC) $(CFLAGS) -o $@ $<