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cranelift: add support for the Mac aarch64 calling convention

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This bumps target-lexicon and adds support for the AppleAarch64 calling
convention. Specifically for WebAssembly support, we only have to worry
about the new stack slots convention. Stack slots don't need to be at
least 8-bytes, they can be as small as the data type's size. For
instance, if we need stack slots for (i32, i32), they can be located at
offsets (+0, +4). Note that they still need to be properly aligned on
the data type they're containing, though, so if we need stack slots for
(i32, i64), we can't start the i64 slot at the +4 offset (it must start
at the +8 offset).

Added one test that was failing on the Mac M1, as well as other tests
stressing different yet similar situations.
This commit is contained in:
Benjamin Bouvier
2021-03-18 15:21:40 +01:00
parent 8e43e96410
commit 6e6713ae0b
26 changed files with 204 additions and 37 deletions
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Cargo.lock generated
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@@ -2705,9 +2705,9 @@ dependencies = [
[[package]]
name = "target-lexicon"
version = "0.11.2"
version = "0.12.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "422045212ea98508ae3d28025bc5aaa2bd4a9cdaecd442a08da2ee620ee9ea95"
checksum = "64ae3b39281e4b14b8123bdbaddd472b7dfe215e444181f2f9d2443c2444f834"
[[package]]
name = "tempfile"