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fix: crash on cast i32 to u32 #976

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Merged
merged 1 commit into from
Apr 27, 2025
Merged

fix: crash on cast i32 to u32 #976

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3 changes: 3 additions & 0 deletions src/arch/z80/backend/common.py
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Original file line number Diff line number Diff line change
Expand Up @@ -392,6 +392,9 @@ def to_long(stype: DataType) -> list[str]:
output.append("ld e, a")
output.append("ld d, a")

elif stype in (U32_t, I32_t):
return []

elif stype == U16_t:
output.append("ld de, 0")

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42 changes: 42 additions & 0 deletions tests/functional/arch/zx48k/cast_i32tou32.asm
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@@ -0,0 +1,42 @@
org 32768
.core.__START_PROGRAM:
di
push ix
push iy
exx
push hl
exx
ld (.core.__CALL_BACK__), sp
ei
jp .core.__MAIN_PROGRAM__
.core.__CALL_BACK__:
DEFW 0
.core.ZXBASIC_USER_DATA:
; Defines USER DATA Length in bytes
.core.ZXBASIC_USER_DATA_LEN EQU .core.ZXBASIC_USER_DATA_END - .core.ZXBASIC_USER_DATA
.core.__LABEL__.ZXBASIC_USER_DATA_LEN EQU .core.ZXBASIC_USER_DATA_LEN
.core.__LABEL__.ZXBASIC_USER_DATA EQU .core.ZXBASIC_USER_DATA
_a:
DEFB 00, 00, 00, 00
.core.ZXBASIC_USER_DATA_END:
.core.__MAIN_PROGRAM__:
ld hl, (_a)
ld de, (_a + 2)
ld (_a), hl
ld (_a + 2), de
ld hl, 0
ld b, h
ld c, l
.core.__END_PROGRAM:
di
ld hl, (.core.__CALL_BACK__)
ld sp, hl
exx
pop hl
exx
pop iy
pop ix
ei
ret
;; --- end of user code ---
END
4 changes: 4 additions & 0 deletions tests/functional/arch/zx48k/cast_i32tou32.bas
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@@ -0,0 +1,4 @@
DIM a as ULong

LET a = INT(a)