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Give RegClassData a reference to its parent RegInfo.

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This makes it possible to materialize new RegClass references without
requiring a RegInfo reference to be passed around.

- Move the RegInfo::toprc() method to RegClassData.
- Rename RegClassData::intersect() to intersect_index() and provide a
  new intersect() which returns a register class.
- Remove some &RegInfo parameters that are no longer needed.
This commit is contained in:
Jakob Stoklund Olesen
2017-10-04 10:10:07 -07:00
parent 7410ddfe08
commit ce4d723a73
8 changed files with 69 additions and 68 deletions
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18
lib/cretonne/src/isa/intel/registers.rs
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@@ -49,14 +49,14 @@ mod tests {
#[test]
fn regclasses() {
assert_eq!(GPR.intersect(GPR), Some(GPR.into()));
assert_eq!(GPR.intersect(ABCD), Some(ABCD.into()));
assert_eq!(GPR.intersect(FPR), None);
assert_eq!(ABCD.intersect(GPR), Some(ABCD.into()));
assert_eq!(ABCD.intersect(ABCD), Some(ABCD.into()));
assert_eq!(ABCD.intersect(FPR), None);
assert_eq!(FPR.intersect(FPR), Some(FPR.into()));
assert_eq!(FPR.intersect(GPR), None);
assert_eq!(FPR.intersect(ABCD), None);
assert_eq!(GPR.intersect_index(GPR), Some(GPR.into()));
assert_eq!(GPR.intersect_index(ABCD), Some(ABCD.into()));
assert_eq!(GPR.intersect_index(FPR), None);
assert_eq!(ABCD.intersect_index(GPR), Some(ABCD.into()));
assert_eq!(ABCD.intersect_index(ABCD), Some(ABCD.into()));
assert_eq!(ABCD.intersect_index(FPR), None);
assert_eq!(FPR.intersect_index(FPR), Some(FPR.into()));
assert_eq!(FPR.intersect_index(GPR), None);
assert_eq!(FPR.intersect_index(ABCD), None);
}
}