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closes #1493
closes #54
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On Arch Linux the current default compiler is gcc 8.2.1 and this change
is needed to ignore the following errors:
In file included from /home/wink/local/include/llvm/ADT/STLExtras.h:21,
from /home/wink/local/include/llvm/ADT/StringRef.h:13,
from /home/wink/local/include/llvm/ADT/StringMap.h:17,
from /home/wink/local/include/llvm/Support/Host.h:17,
from /home/wink/local/include/llvm/ADT/Hashing.h:49,
from /home/wink/local/include/llvm/ADT/ArrayRef.h:13,
from /home/wink/local/include/llvm/ADT/APFloat.h:21,
from /home/wink/local/include/clang/AST/APValue.h:18,
from /home/wink/local/include/clang/AST/Decl.h:17,
from /home/wink/local/include/clang/AST/ASTTypeTraits.h:20,
from /home/wink/local/include/clang/AST/ASTContext.h:18,
from /home/wink/local/include/clang/Frontend/ASTUnit.h:18,
from /home/wink/prgs/ziglang/zig/src/translate_c.cpp:18:
/home/wink/local/include/llvm/ADT/SmallVector.h: In instantiation of ‘void llvm::SmallVectorTemplateBase<T, true>::push_back(const T&) [with T = std::pair<void*, long unsigned int>]’:
/home/wink/local/include/llvm/Support/Allocator.h:249:33: required from ‘void* llvm::BumpPtrAllocatorImpl<AllocatorT, SlabSize, SizeThreshold>::Allocate(size_t, size_t) [with AllocatorT = llvm::MallocAllocator; long unsigned int SlabSize = 4096; long unsigned int SizeThreshold = 4096; size_t = long unsigned int]’
/home/wink/local/include/clang/AST/ASTContext.h:659:42: required from here
/home/wink/local/include/llvm/ADT/SmallVector.h:313:11: error: ‘void* memcpy(void*, const void*, size_t)’ writing to an object of type ‘struct std::pair<void*, long unsigned int>’ with no trivial copy-assignment; use copy-assignment or copy-initialization instead [-Werror=class-memaccess]
memcpy(this->end(), &Elt, sizeof(T));
~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/8.2.1/utility:70,
from /home/wink/local/include/llvm/Support/type_traits.h:19,
from /home/wink/local/include/llvm/Support/Casting.h:19,
from /home/wink/local/include/clang/Basic/LLVM.h:22,
from /home/wink/local/include/clang/AST/APValue.h:17,
from /home/wink/local/include/clang/AST/Decl.h:17,
from /home/wink/local/include/clang/AST/ASTTypeTraits.h:20,
from /home/wink/local/include/clang/AST/ASTContext.h:18,
from /home/wink/local/include/clang/Frontend/ASTUnit.h:18,
from /home/wink/prgs/ziglang/zig/src/translate_c.cpp:18:
/usr/include/c++/8.2.1/bits/stl_pair.h:198:12: note: ‘struct std::pair<void*, long unsigned int>’ declared here
struct pair
^~~~
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and have it print llvm's internal timing info
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Add wasm32 support to the build-obj, build-exe and build-lib commands
of the stage 1 compiler. Wasm64 should work transparently once it's
supported in upstream LLVM.
To export a function:
// lib.zig - for exposition, not necessary for this example
pub use @import("add.zig");
// add.zig
export fn add(a: i32, b: i32) i32 {
return a + b;
}
To import a function:
// cube.zig
extern fn square(x: i32) i32;
export fn cube(x: i32) i32 {
return x * square(x);
}
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* remove @cmpxchg, add @cmpxchgWeak and @cmpxchgStrong
- See explanations in the langref.
* add operand type as first parameter
* return type is ?T where T is the operand type
closes #461
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See #727
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This fixes a mismatched malloc/delete because
we were allocating with malloc and then llvm was
freeing with delete.
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closes #673
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Now the self-hosted compiler re-uses the same C++ code for interfacing
with LLVM as the C++ code.
It also links against the same LLD library files.
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* add @noInlineCall - see #640
This fixes a crash in --release-safe and --release-fast modes
where the optimizer inlines everything into _start and
clobbers the command line argument data.
If we were able to verify that the user's code never reads
command line args, we could leave off this "no inline"
attribute.
* add i29 and u29 primitive types. u29 is the type of alignment,
so it makes sense to be a primitive.
probably in the future we'll make any `i` or `u` followed by
digits into a primitive.
* add `aligned` functions to Allocator interface
* add `os.argsAlloc` and `os.argsFree` so that you can get
a `[]const []u8`, do whatever arg parsing you want, and then free
it. For now this uses the other API under the hood, but it could
be reimplemented to do a single allocation.
* add tests to make sure command line argument parsing works.
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See #144
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Add emit command-line option
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the actual solution is you must compile zig with the same
compiler that compiled llvm, lld, and clang.
reverts 8d60ffe314306e5295fb76338c6391e5fe986dea
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see #516
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useful for debugging crashes in llvm optimizer
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See #37
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* remove `@setGlobalAlign`
* add align keyword for setting alignment on functions and
variables.
* loads and stores use alignment from pointer
* memcpy, memset use alignment from pointer
* add syntax for pointer alignment
* slices can have volatile
* add u2, i2 primitives
* ignore preferred align and use abi align everywhere
* back to only having alignOf builtin.
preferredAlignOf is too tricky to be useful.
See #432. Partial revert of
e726925e802eddab53cbfd9aacbc5eefe95c356f.
See #37
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Before:
* << is left shift, not allowed to shift 1 bits out
* <<% is left shift, allowed to shift 1 bits out
* >> is right shift, allowed to shift 1 bits out
After:
* << is left shift, allowed to shift 1 bits out
* >> is right shift, allowed to shift 1 bits out
* @shlExact is left shift, not allowed to shift 1 bits out
* @shrExact is right shift, not allowed to shift 1 bits out
Closes #413
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