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| author | Xavier Leroy <xavier.leroy@inria.fr> | 2017-07-27 10:19:20 +0200 |
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| committer | Xavier Leroy <xavier.leroy@inria.fr> | 2017-07-27 10:19:20 +0200 |
| commit | 3558b3b829908966bd7fd8d80b8077d38b9c04f0 (patch) | |
| tree | 8a7c6466efbe1d95ca308de5a502337cde2cb0ae /Changelog | |
| parent | c310fe9acf361dd6862d894523ff979806ac4536 (diff) | |
| download | compcert-kvx-3558b3b829908966bd7fd8d80b8077d38b9c04f0.tar.gz compcert-kvx-3558b3b829908966bd7fd8d80b8077d38b9c04f0.zip | |
Update Changelog with news since release 3.0.1
Diffstat (limited to 'Changelog')
| -rw-r--r-- | Changelog | 33 |
1 files changed, 29 insertions, 4 deletions
@@ -1,12 +1,28 @@ +Major improvements: + - New port targeting the RISC-V architecture, in 32- and 64-bit modes. -- Always generate .merlin and _CoqProject files. -- PowerPC back-end: leaf functions optimization. -- Add options -finline / -fno-inline to control function inlining. + +- Improved support for PowerPC 64 processors: use 64-bit registers and + instructions for 64-bit integer arithmetic. Pointers remain 32 bits + and the 32-bit ABI is still used. + +Code generation and optimization: + +- Optimize leaf functions in the PowerPC back-end. + (Avoid reloading the return address from the stack.) - Avoid generating useless conditional branches for empty if/else statements. +- Earlier elimination of redundant `&*expr` and `*&expr` addressings. + +Usability: + +- Add options -finline / -fno-inline to control function inlining. - Removed the compilation of '.cm' files written in Cminor concrete syntax. -- clightgen: add option "-normalize" to avoid memory loads deep inside expressions +- More precise warnings about missing function returns. +- clightgen: add option "-normalize" to avoid memory loads deep inside + expressions. Bug fixing: + - Issue #179: clightgen produces wrong output for "switch" statements. - Do not generate code for functions with "inline" specifier that are neither static nor extern, as per ISO C99. @@ -14,6 +30,15 @@ Bug fixing: switch cases. - Issue #P16: illegal PowerPC asm generated for unsigned division after constant propagation. +- Issue #P18: ARM PC-relative addressing of constant pool overflows + owing to underestimation of code size. +- Pass -no-pie flag to the x86 linker when -pie is the default. + +Coq and Caml development: + +- Improve compatibility with Coq working version. +- Always generate .merlin and _CoqProject files. + Release 3.0.1, 2017-02-14 ========================= |