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Elf2: start implementing input object loading
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* fix: add `i86` cpu in `update_cpu_features`
* feat: add `x86_16` debug `cpu_context`
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std: Introduce `Io` Interface
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As with Solaris (dba1bf935390ddb0184a4dc72245454de6c06fd2), we have no way to
actually audit contributions for these OSs. IBM also makes it even harder than
Oracle to actually obtain these OSs.
closes #23695
closes #23694
closes #3655
closes #23693
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feat: init x86_16 arch via CBE
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Co-authored-by: Alex Rønne Petersen <alex@alexrp.com>
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* Remove the generic model; we already have generic_la32 and generic_la64 and
pick appropriately based on bitness.
* Remove the loongarch64 model. We used this as our baseline for 64-bit, but it's
actually pretty misleading and useless; it doesn't represent any real CPU and
has less features than generic_la64.
* Add la64v1_0 and la64v1_1 models.
* Change our baseline CPU model for 64-bit to be la64v1_0, thus adding LSX to
the baseline feature set.
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evex512 for avx512f
Intel has abandoned AVX10.N/128,256; AVX10.N is now always 512-bit.
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added adapter to AnyWriter and GenericWriter to help bridge the gap
between old and new API
make std.testing.expectFmt work at compile-time
std.fmt no longer has a dependency on std.unicode. Formatted printing
was never properly unicode-aware. Now it no longer pretends to be.
Breakage/deprecations:
* std.fs.File.reader -> std.fs.File.deprecatedReader
* std.fs.File.writer -> std.fs.File.deprecatedWriter
* std.io.GenericReader -> std.io.Reader
* std.io.GenericWriter -> std.io.Writer
* std.io.AnyReader -> std.io.Reader
* std.io.AnyWriter -> std.io.Writer
* std.fmt.format -> std.fmt.deprecatedFormat
* std.fmt.fmtSliceEscapeLower -> std.ascii.hexEscape
* std.fmt.fmtSliceEscapeUpper -> std.ascii.hexEscape
* std.fmt.fmtSliceHexLower -> {x}
* std.fmt.fmtSliceHexUpper -> {X}
* std.fmt.fmtIntSizeDec -> {B}
* std.fmt.fmtIntSizeBin -> {Bi}
* std.fmt.fmtDuration -> {D}
* std.fmt.fmtDurationSigned -> {D}
* {} -> {f} when there is a format method
* format method signature
- anytype -> *std.io.Writer
- inferred error set -> error{WriteFailed}
- options -> (deleted)
* std.fmt.Formatted
- now takes context type explicitly
- no fmt string
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This struct is larger than 256 bytes and code that copies it
consistently shows up in profiles of the compiler.
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Before:
* std.Target.arm.featureSetHas(target.cpu.features, .has_v7)
* std.Target.x86.featureSetHasAny(target.cpu.features, .{ .sse, .avx, .cmov })
* std.Target.wasm.featureSetHasAll(target.cpu.features, .{ .atomics, .bulk_memory })
After:
* target.cpu.has(.arm, .has_v7)
* target.cpu.hasAny(.x86, &.{ .sse, .avx, .cmov })
* target.cpu.hasAll(.wasm, &.{ .atomics, .bulk_memory })
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Closes #21818.
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`OpCapability` and `OpExtension` now can also be emitted from inline assembly
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Functions like isMinGW() and isGnuLibC() have a good reason to exist: They look
at multiple components of the target. But functions like isWasm(), isDarwin(),
isGnu(), etc only exist to save 4-8 characters. I don't think this is a good
enough reason to keep them, especially given that:
* It's not immediately obvious to a reader whether target.isDarwin() means the
same thing as target.os.tag.isDarwin() precisely because isMinGW() and similar
functions *do* look at multiple components.
* It's not clear where we would draw the line. The logical conclusion before
this commit would be to also wrap Arch.isX86(), Os.Tag.isSolarish(),
Abi.isOpenHarmony(), etc... this obviously quickly gets out of hand.
* It's nice to just have a single correct way of doing something.
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This will mainly be used when targeting our wasm2c implementation which has no
problem with zero-length bulk memory operations, as a non-standard extension.
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See: https://github.com/WebAssembly/tool-conventions/pull/235
This is not *quite* using the same features as the spec'd lime1 model because
LLVM 19 doesn't have the level of feature granularity that we need for that.
This will be fixed once we upgrade to LLVM 20.
Part of #21818.
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This is an RLS footgun.
Resolves: #21834
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Add PIC/PIE tests and fix some bugs + some improvements to the test harness
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Most of this commit is whitespace changes, moving to use RLS
for assigning the `CpuModel`
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To my knowledge there isn't an implementation of `sse4.2` that doesn't have `crc32`.
The Clang driver also sets `crc32` to be implicitly enabled when an explicit `-crc32`
wasn't provided. This matches that behaviour.
We need this behaviour to compile libraries like `rocksdb` which currently guard against
`crc32` intrinsics by checking for `sse4.2`.
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This is necessary since isGnuLibC() is true for hurd, so we need to be able to
represent a glibc version for it.
Also add an Os.TaggedVersionRange.gnuLibCVersion() convenience function.
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This was an inconsistency left over from c825b567b26c475e058e074e5d22af006854fab6.
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Like d1d95294fd657f771657ea671a6984b860347fb0, this is more Apple nonsense where
they abused the arch component of the triple to encode what's really an ABI.
Handling this correctly in Zig's target triple model would take quite a bit of
work. Fortunately, the last Armv7-based Apple Watch was released in 2017 and
these targets are now considered legacy. By the time Zig hits 1.0, they will be
a distant memory. So just remove them.
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closes #21668
Co-authored-by: Alex Rønne Petersen <alex@alexrp.com>
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* Adds new cpu architectures propeller1 and propeller2.
These cpu architectures allow targeting the Parallax Propeller 1 and Propeller 2, which are both very special microcontrollers with 512 registers and 8 cpu cores.
Resolves #21559
* Adds std.elf.EM.PROPELLER and std.elf.EM.PROPELLER2
* Fixes missing switch prongs in src/codegen/llvm.zig
* Fixes order in std.Target.Arch
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Co-authored-by: Felix "xq" Queißner <git@random-projects.net>
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`test`: Rewrite the target triple list for `llvm_targets`.
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At bare minimum, the compiler expects std.Target.<arch>.cpu.generic to work for
any given architecture when generating the builtin module. So rather than try to
hack that into working when the affected modules are omitted, just actually keep
them.
This affected lanai and xcore.
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