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fix

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This commit is contained in:
kbkpbot 2025-09-10 08:34:39 +08:00
parent 4f4eea48e8
commit aa48c61196
1 changed files with 7 additions and 2 deletions
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9
vlib/v/gen/c/cgen.v
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@ -3807,8 +3807,13 @@ fn (mut g Gen) expr(node_ ast.Expr) {
g.write2('-0', node.val[3..])
} else {
g.write(node.val)
val_i64 := node.val.i64()
if val_i64 > 2147483647 || val_i64 < -2147483648 {
val_u64 := node.val.u64()
if val_u64 & 0x80000000_00000000 != 0 && !node.val.starts_with('-') {
// a large integer with sign bit set, but without `-`, it should be a unsigned integer
g.write('U')
}
if val_u64 & 0xFFFFFFFF_00000000 != 0 {
// not in [min_i32, max_i32]
g.write('LL')
}
}