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author | Tobias Hieta <tobias@hieta.se> | 2023-07-25 13:57:22 +0200 |
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committer | Tobias Hieta <tobias@hieta.se> | 2023-07-25 13:58:49 +0200 |
commit | 4706251a3186c34da0ee8fd894f7e6b095da8fdc (patch) | |
tree | f74bb20a43f52def66fa486bbdded8ec3a32c378 /lld/docs | |
parent | ab720289ca8f9b04674b915f6a74d81847c9c341 (diff) | |
download | llvm-llvmorg-18-init.zip llvm-llvmorg-18-init.tar.gz llvm-llvmorg-18-init.tar.bz2 |
Clear release notes for 18.xllvmorg-18-init
Diffstat (limited to 'lld/docs')
-rw-r--r-- | lld/docs/ReleaseNotes.rst | 76 |
1 files changed, 0 insertions, 76 deletions
diff --git a/lld/docs/ReleaseNotes.rst b/lld/docs/ReleaseNotes.rst index d8e34d1..6f60efd 100644 --- a/lld/docs/ReleaseNotes.rst +++ b/lld/docs/ReleaseNotes.rst @@ -26,84 +26,12 @@ Non-comprehensive list of changes in this release ELF Improvements ---------------- -* When ``--threads=`` is not specified, the number of concurrency is now capped to 16. - A large ``--thread=`` can harm performance, especially with some system - malloc implementations like glibc's. - (`D147493 <https://reviews.llvm.org/D147493>`_) -* ``--remap-inputs=`` and ``--remap-inputs-file=`` are added to remap input files. - (`D148859 <https://reviews.llvm.org/D148859>`_) -* ``--lto=`` is now available to support ``clang -funified-lto`` - (`D123805 <https://reviews.llvm.org/D123805>`_) -* ``--lto-CGO[0-3]`` is now available to control ``CodeGenOpt::Level`` independent of the LTO optimization level. - (`D141970 <https://reviews.llvm.org/D141970>`_) -* ``--check-dynamic-relocations=`` is now correct 32-bit targets when the addend is larger than 0x80000000. - (`D149347 <https://reviews.llvm.org/D149347>`_) -* ``--print-memory-usage`` has been implemented for memory regions. - (`D150644 <https://reviews.llvm.org/D150644>`_) -* ``SHF_MERGE``, ``--icf=``, and ``--build-id=fast`` have switched to 64-bit xxh3. - (`D154813 <https://reviews.llvm.org/D154813>`_) -* Quoted output section names can now be used in linker scripts. - (`#60496 <https://github.com/llvm/llvm-project/issues/60496>`_) -* ``MEMORY`` can now be used without a ``SECTIONS`` command. - (`D145132 <https://reviews.llvm.org/D145132>`_) -* ``REVERSE`` can now be used in input section descriptions to reverse the order of input sections. - (`D145381 <https://reviews.llvm.org/D145381>`_) -* Program header assignment can now be used within ``OVERLAY``. This functionality was accidentally lost in 2020. - (`D150445 <https://reviews.llvm.org/D150445>`_) -* Operators ``^`` and ``^=`` can now be used in linker scripts. -* LoongArch is now supported. -* ``DT_AARCH64_MEMTAG_*`` dynamic tags are now supported. - (`D143769 <https://reviews.llvm.org/D143769>`_) -* AArch32 port now supports BE-8 and BE-32 modes for big-endian. - (`D140201 <https://reviews.llvm.org/D140201>`_) - (`D140202 <https://reviews.llvm.org/D140202>`_) - (`D150870 <https://reviews.llvm.org/D150870>`_) -* ``R_ARM_THM_ALU_ABS_G*`` relocations are now supported. - (`D153407 <https://reviews.llvm.org/D153407>`_) -* ``.ARM.exidx`` sections may start at non-zero output section offset. - (`D148033 <https://reviews.llvm.org/D148033>`_) -* Arm Cortex-M Security Extensions is now implemented. - (`D139092 <https://reviews.llvm.org/D139092>`_) -* BTI landing pads are now added to PLT entries accessed by range extension thunks or relative vtables. - (`D148704 <https://reviews.llvm.org/D148704>`_) - (`D153264 <https://reviews.llvm.org/D153264>`_) -* AArch64 short range thunk has been implemented to mitigate the performance loss of a long range thunk. - (`D148701 <https://reviews.llvm.org/D148701>`_) -* ``R_AVR_8_LO8/R_AVR_8_HI8/R_AVR_8_HLO8/R_AVR_LO8_LDI_GS/R_AVR_HI8_LDI_GS`` have been implemented. - (`D147100 <https://reviews.llvm.org/D147100>`_) - (`D147364 <https://reviews.llvm.org/D147364>`_) -* ``--no-power10-stubs`` now works for PowerPC64. -* ``DT_PPC64_OPT`` is now supported; - (`D150631 <https://reviews.llvm.org/D150631>`_) -* ``PT_RISCV_ATTRIBUTES`` is added to include the SHT_RISCV_ATTRIBUTES section. - (`D152065 <https://reviews.llvm.org/D152065>`_) -* ``R_RISCV_PLT32`` is added to support C++ relative vtables. - (`D143115 <https://reviews.llvm.org/D143115>`_) -* RISC-V global pointer relaxation has been implemented. Specify ``--relax-gp`` to enable the linker relaxation. - (`D143673 <https://reviews.llvm.org/D143673>`_) -* The symbol value of ``foo`` is correctly handled when ``--wrap=foo`` and RISC-V linker relaxation are used. - (`D151768 <https://reviews.llvm.org/D151768>`_) -* x86-64 large data sections are now placed away from code sections to alleviate relocation overflow pressure. - (`D150510 <https://reviews.llvm.org/D150510>`_) - Breaking changes ---------------- COFF Improvements ----------------- -* lld-link can now find libraries with relative paths that are relative to - `/libpath`. Before it would only be able to find libraries relative to the - current directory. - I.e. ``lld-link /libpath:c:\relative\root relative\path\my.lib`` where before - we would have to do ``lld-link /libpath:c:\relative\root\relative\path my.lib`` -* lld-link learned -print-search-paths that will print all the paths where it will - search for libraries. -* By default lld-link will now search for libraries in the toolchain directories. - Specifically it will search: - ``<toolchain>/lib``, ``<toolchain>/lib/clang/<version>/lib`` and - ``<toolchain>/lib/clang/<version>/lib/windows``. - MinGW Improvements ------------------ @@ -115,7 +43,3 @@ WebAssembly Improvements Fixes ##### - -* Arm exception index tables (.ARM.exidx sections) are now output - correctly when they are at a non zero offset within their output - section. (`D148033 <https://reviews.llvm.org/D148033>`_) |