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2020-04-05ir: Fix error checking for vector opsLemonBoy
The extra logic that's needed was lost during a refactoring, now it should be fine.
2020-04-05ir: Remove unused and commented out codeLemonBoy
2020-04-05ir: Support shift left/right on vectorsLemonBoy
2020-04-05ir: Support div/mod/rem on vector typesLemonBoy
Closes #4050
2020-04-05Do not parse native_libc.txt anymore when linking on native target, always ↵Michaël Larouche
run detection of libc. Fixes #4772
2020-04-03change the default ABI of riscv64-linux-muslAndrew Kelley
Before, this would cause a link failure when mixing Zig and C code for RISC-V targets. Now, the ABIs match and Zig and C code can be mixed successfully. I will file a follow-up issue for the ability to deal more explicitly with ABIs. closes #4863
2020-04-02zig cc: support more linker argsAndrew Kelley
2020-04-02zig cc: respect -MF -MV -MD optionsAndrew Kelley
Zig disables its caching and forwards these args when any are provided. see #4784
2020-04-01zig cc properly handles -S flag and .ll, .bc extensionsAndrew Kelley
2020-04-01stage1: make C++ switch fallthrough an errorMichael Dusan
Make fallthrough an error when compiler supports it. This requires a new macro that is defined with such compilers to be used as a statement, at all fallthrough sites: switch (...) { case 0: ... ZIG_FALLTHROUGH; case 1: ... break; default: ... break; } If we ever move to C++17 as minimal requirement, then the macro can be replaced with `[[fallthrough]];` at statement sites.
2020-04-01Merge pull request #4896 from FireFox317/fix-arm32-stuffAndrew Kelley
fix some nullptr dereferences on arm-linux-musleabhif
2020-04-01Make sure that ZigTypeVector and ZigTypeArray have the same memory layoutTimon Kruiper
Throughout the stage1 code it is assumed that these have the same layout, but that was not the case. This caused an issue on 32-bit hardware.
2020-04-01fixups and revert a few thingsAndrew Kelley
2020-04-01Use length field as passed in stage2 libc_installation instead of relying on ↵daurnimator
zero termination
2020-03-30revert detection of rtti and exceptionsAndrew Kelley
This caused link errors in c++ code because it was not correct to pass these flags to child codegens. And that was the only reason to detect these flags. Otherwise we can safely rely on non-explicitly-detected flag forwarding.
2020-03-27zig c++: get it working with musl and mingw-w64Andrew Kelley
2020-03-26ability to compile c++ hello world with `zig c++`Andrew Kelley
closes #4786
2020-03-25improved handling of native system directoriesAndrew Kelley
* `-isystem` instead of `-I` for system include directories fixes a problem with native system directories interfering with zig's bundled libc. * separate Stage2Target.is_native into Stage2Target.is_native_os and Stage2Target.is_native_cpu.
2020-03-22riscv: add -mrelax arg for C to work around upstream issueAndrew Kelley
See #4485
2020-03-22Merge remote-tracking branch 'origin/master' into llvm10Andrew Kelley
2020-03-22Merge remote-tracking branch 'origin/master' into llvm10Andrew Kelley
2020-03-21zig cc: detect optimization and debug flagsAndrew Kelley
2020-03-21zig cc: better support for the preprocessor option (-E)Andrew Kelley
2020-03-21ability to use `zig cc` as a drop-in C compilerAndrew Kelley
The basics are working
2020-03-20glibc: include ld symbols and proper soname for ldAndrew Kelley
2020-03-19Merge remote-tracking branch 'origin/master' into llvm10Andrew Kelley
2020-03-19fix incorrect sentinel checkAndrew Kelley
2020-03-19fix runtime slice of pointer not setting lengthAndrew Kelley
2020-03-19fix regression when slicing 0-bit pointersAndrew Kelley
2020-03-19fixes in semantic analysis needed to support this featureAndrew Kelley
2020-03-19slicing with comptime start and end results in arrayAndrew Kelley
implements #863
2020-03-19ir: More changes to sentinel-terminated const arraysLemonBoy
* Don't add an extra slot for the sentinel. Most of the code keeps using the constant value from the type descriptor, let's harmonize all the code dealing with sentinels. * Properly write out sentinel values when reinterpreting pointers at comptime. * Allow the reading of the 0th element in a `[0:S]T` type.
2020-03-18ir: Correct ABI size calculation for arraysLemonBoy
Zero-length array with a sentinel may not have zero size. Closes #4749
2020-03-14for build-obj with only 1 C file, name .o file after root_out_nameAndrew Kelley
2020-03-13special case when doing build-obj with just one source fileAndrew Kelley
When building an object file from only one source file, instead of having a two-stage cache system, we special case it and use the cache directory that the .o file is output to as the final cache directory for all the build artifacts. When there are more than 1 source file, the linker has to merge objects into one, and so the two stage approach makes sens. But in the case of only one source file, this prevents needlessly copying the object file. This commit fixes an issue with the previous one, where zig with cache enabled would print a directory that actually did not have any build artifacts in it.
2020-03-13Merge remote-tracking branch 'origin/master' into llvm10Andrew Kelley
2020-03-12Merge pull request #4707 from Vexu/small-atomicsAndrew Kelley
Support atomic operations with bools and non power of two integers
2020-03-12Simplify stores, use sext for signed intsVexu
2020-03-11fix zig-cache to treat cpu-features as raw-bytesMichael Dusan
- add Stage2Target.cache_hash_len - add cache_mem(ch, ptr, len) - update call sites to use { ptr, len }
2020-03-11Move abi size checking to codegenVexu
2020-03-11fix codegen, update docsVexu
2020-03-11support non power of two integers in atomic opsVexu
2020-03-10support atomic operations with boolsVexu
2020-03-10ir: Implement more safety checks for shl/shrLemonBoy
The checks are now valid on types whose size is not a power of two. Closes #2096
2020-03-09ir: Fix codegen of ?*T types where T is zero-sizedLemonBoy
* Fix codegen for optional types that decay to a pointer, the type behaves as a boolean * Fix comptime evaluation of zero-sized arrays, always initialize the internal array elements Closes #4673
2020-03-09add LemonBoy's testVexu
2020-03-09implement noasync scopesVexu
2020-03-07Merge remote-tracking branch 'origin/master' into llvm10Andrew Kelley
2020-03-04ir: Implement @TypeOf with multiple argumentsLemonBoy
Closes #439
2020-03-04get_codegen_ptr_type returns possible errorAndrew Kelley
And fix most of the fallout. This also makes optional pointers not require resolving zero bits, because the comptime value struct layout no longer depends on whether the type has zero bits. Thanks to @LemonBoy for the behavior test case Closes #4357 Closes #4359
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