LDC 1.14.0 釋出，高效能 dlang 編譯器

編譯器高效能 · 發表 2019-02-22 15:51:35

摘要： LDC 是一個高效能的 D 語言編譯器。LDC 1.14.0 新版本更新亮點如下：支援 D 語言最新版本 2.084.1. 增強對 WebAssembly 的相容性改進 Windows 32 位系統...

LDC 是一個高效能的 D 語言編譯器。LDC 1.14.0 新版本更新亮點如下：

Frontend, druntime and Phobos are at version2.084.1 , incl. new command-line options-mixin ,-{enable,disable}-switch-errors and-checkaction . (#2946 ,#2977 ,#2999 )(new)
- Options-release ,-d-debug and-unittest don't override preceding, more specific options (-{enable,disable}-{asserts,invariants,preconditions,postconditions,contracts} ) anymore.
Linking WebAssembly doesn't require-link-internally (integrated LLD) anymore; an external linker (default:wasm-ld , override with-linker ) can be used as well. (#2951 )
Prebuilt Windows packages include LTO-able 32-bit druntime/Phobos too (previously: Win64 only).
AddressSanitizer support for fibers (requiresrebuilding the runtime libraries with CMake optionRT_SUPPORT_SANITIZERS=ON ). (#2975 ,ldc-developers/druntime#152 )(new)
Supportpragma(LDC_extern_weak) for function declarations - if the function isn't available when linking, its address is null. (#2984 )(new)

Fix C++ mangling regression for functions with multiplereal parameters introduced with v1.13, preventing to build DMD. (#2954 ,dlang/dmd#9129 )
Fix context of some nested aggregates. (#2960 ,#2969 )
Support templated LLVM intrinsics with vector arguments. (#2962 ,#2971 )
Avoid crashes with-allinst (fix emission of only speculatively nested functions). (#2932 ,#2940 )
Fix XRay support for LLVM 7+. (#2965 )
AArch64: Fix DMD-style profile measurements. (#2950 )
Be less picky about placement of pragmas (allow intermediateextern(C) etc.). (#2599 )
MSVC: Fixreal C++ mangling to match Visual C++long double . (#2974 )
Fix bad ICE noticed when building protobuf-d. (#2990 ,#2992 )(new)
Fix ICE when directly indexing vector return value. (#2988 ,#2991 )(new)
Fix identity comparisons of complex numbers. (#2918 ,#2993 )(new)
MIPS32 fix forcore.stdc.stdarg . (#2989 ,ldc-developers/druntime#153 )(new)
Fixcore.atomic.cas() for 64-bit floating-point values. (#3000 ,#3001 )(new)
beta1 regression: 'Instruction does not dominate all uses' (#2996 ,#2997 )(new)

Buggy olderld.bfd linker versions may wrongly strip out required symbols, e.g., ModuleInfos (so that e.g. no module ctors/dtors are run). LDC defaults told.gold on Linux.
LDC does not zero the padding area of areal variable. This may lead to wrong results if the padding area is also considered. See#770 . Does not apply toreal members inside structs etc.