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`stage2_spirv64` -> `stage2_spirv`
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This reverts commit 6f0198cadbe29294f2bf3153a27beebd64377566.
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This reverts commit 0c99ba1eab63865592bb084feb271cd4e4b0357e, reversing
changes made to 5f92b070bf284f1493b1b5d433dd3adde2f46727.
This caused a CI failure when it landed in master branch due to a
128-bit `@byteSwap` in std.mem.
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Safety is not a global flag that should be enabled or disabled for all
stores - it's lowered by the frontend directly into AIR instruction
semantics. The flag for this is communicated via the `store` vs
`store_safe` AIR instructions, and whether to write 0xaa bytes or not
should be decided in `airStore` and passed down via function parameters.
This commit is a step backwards since it removes functionality but it
aims our feet towards a better mountain to climb.
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Most of this migration was performed automatically with `zig fmt`. There
were a few exceptions which I had to manually fix:
* `@alignCast` and `@addrSpaceCast` cannot be automatically rewritten
* `@truncate`'s fixup is incorrect for vectors
* Test cases are not formatted, and their error locations change
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Signed-off-by: Eric Joldasov <bratishkaerik@getgoogleoff.me>
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- Emit calling convention
- Fix .Naked handling for msvc
- Add teb helper for x86
- Fix 128-bit shl implementation when rhs is >= 64
- Add 128-bit shl tests
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- fixup 128-bit atomics test to only run on x86_64
- add truncation test for 128-bit types, including non power of two targets (there was a bug with broken non-power-of-two truncation in the cbe)
- add 128-bit binary not test (covers another bug fixed in the cbe)
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stage2: sparc64: Some Air lowerings + skip unbuildable tests
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Closes #8429
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Good riddance.
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Commit 052079c99455d01312d377d72fa1b8b5c0b22aad surfaced two issues with
the generated C code:
- renderInt128() contained a seemingly unnecessary assertion to verify
that the high 64 bits of the number were nonzero, dating back to
9bf1681990fe87a6b2e5fc644a89f1aece304579. I removed it.
- renderValue() didn't have any special handling for undefined structs,
falling back to printing "{}" which generated invalid expressions
such as "return {}" for functions returning structs, whereas
"return (S){}" is the correct form. I changed it accordingly.
At the same time I'm reenabling the relevant tests.
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* Identify the ones that are passing and stop skipping them.
* Flatten out the main behavior.zig file and have each individual test
disable itself if it is not passing.
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Instead use the standarized option for communicating the
zig compiler backend at comptime, which is `zig_backend`. This was
introduced in commit 1c24ef0d0b09a12a1fe98056f2fc04de78a82df3.
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Also support `one` and `int_big_positive` tags for const pointers.
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recognized
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arithmetic UB with NULL, implement airPtrElemPtr/Val, fix redundant indirection/references with arrays
-add additional test cases that were found to be passing
-add basic int128 test cases which previously did not pass but weren't covered
-most test cases in cast.zig now pass
-i128/u128 or smaller int constants can now be rendered
-unsigned int constants are now always suffixed with 'u' to prevent random compile errors
-pointers with a val tag of 'zero' now just emit a 0 constant which coerces to the pointer type and fixes some warnings with ordered comparisons
-pointers with a val tag of 'one' are now casted back to the pointer type
-support pointers with a u64 val
-fix bug where rendering an array's type will emit more indirection than is needed
-render uint128_t/int128_t manually when needed
-implement ptr_add/sub AIR handlers manually so they manually cast to int types which avoids UB if the result or ptr operand is NULL
-implement airPtrElemVal/Ptr
-airAlloc for arrays will not allocate a ref as the local for the array is already a reference/pointer to the array itself
-fix airPtrToInt by casting to the int type
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