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Return u128 from bounds; form new_vec from iter chain

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Copyright (c) 2021, Arm Limited
This commit is contained in:
dheaton-arm
2021-09-20 09:57:19 +01:00
parent 83c3bc5b9d
commit 3fc29f5f6c
2 changed files with 22 additions and 17 deletions
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23
cranelift/codegen/src/ir/types.rs
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@@ -80,23 +80,24 @@ impl Type {
}
/// Get the (minimum, maximum) values represented by each lane in the type.
pub fn bounds(self, signed: bool) -> (i128, i128) {
/// Note that these are returned as unsigned 'bit patterns'.
pub fn bounds(self, signed: bool) -> (u128, u128) {
if signed {
match self.lane_type() {
I8 => (i8::MIN as i128, i8::MAX as i128),
I16 => (i16::MIN as i128, i16::MAX as i128),
I32 => (i32::MIN as i128, i32::MAX as i128),
I64 => (i64::MIN as i128, i64::MAX as i128),
I128 => (i128::MIN, i128::MAX),
I8 => (i8::MIN as u128, i8::MAX as u128),
I16 => (i16::MIN as u128, i16::MAX as u128),
I32 => (i32::MIN as u128, i32::MAX as u128),
I64 => (i64::MIN as u128, i64::MAX as u128),
I128 => (i128::MIN as u128, i128::MAX as u128),
_ => unimplemented!(),
}
} else {
match self.lane_type() {
I8 => (u8::MIN as i128, u8::MAX as i128),
I16 => (u16::MIN as i128, u16::MAX as i128),
I32 => (u32::MIN as i128, u32::MAX as i128),
I64 => (u64::MIN as i128, u64::MAX as i128),
I128 => (u128::MIN as i128, u128::MAX as i128),
I8 => (u8::MIN as u128, u8::MAX as u128),
I16 => (u16::MIN as u128, u16::MAX as u128),
I32 => (u32::MIN as u128, u32::MAX as u128),
I64 => (u64::MIN as u128, u64::MAX as u128),
I128 => (u128::MIN, u128::MAX),
_ => unimplemented!(),
}
}