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| author | Philip Herron <philip.herron@embecosm.com> | 2022-03-11 11:22:07 +0000 |
|---|---|---|
| committer | Philip Herron <philip.herron@embecosm.com> | 2022-03-11 13:54:21 +0000 |
| commit | 040b2ec9a6b20aa2441951e47f344d303dd61d7e (patch) | |
| tree | 031aecbdcf83d4a96ffe751238266a192de83b66 /gcc/gimple-warn-recursion.cc | |
| parent | e076823eda8f11425a705a191d686e9e48be2fc4 (diff) | |
| download | gcc-040b2ec9a6b20aa2441951e47f344d303dd61d7e.zip gcc-040b2ec9a6b20aa2441951e47f344d303dd61d7e.tar.gz gcc-040b2ec9a6b20aa2441951e47f344d303dd61d7e.tar.bz2 | |
Add code generation for the slice type
This type must respect the layout of the FatPtr type in libcore. Rust
implements slices using Rustc types in libcore and uses a neat trick.
The slice is generated into the FatPtr which contains the pointer and
length of the slice. This is then placed into a union called Repr which
has 3 variants a mutable and immutable pointer to the FatPtr and a final
variant which is the raw FatPtr. This means we can use unsafe access to
the union to gain a pointer to the FatPtr.
Addresses #849
Diffstat (limited to 'gcc/gimple-warn-recursion.cc')
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