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Mirror of https://github.com/RPCS3/llvm-mirror
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Dylan McKay e48d05bbd3 [AVR] Expand 8/16-bit multiplication to libcalls on MCUs that don't have hardware MUL 
This change modifies the LLVM ISel lowering settings so that
8-bit/16-bit multiplication is expanded to calls into the compiler
runtime library if the MCU being targeted does not support
multiplication in hardware.

Before this, MUL instructions would be generated on CPUs like the
ATtiny85, triggering a CPU reset due to an illegal instruction at
runtime.

First raised in https://github.com/avr-rust/rust/issues/124.

llvm-svn: 351523
2019-01-18 06:10:41 +00:00
benchmarks Pull google/benchmark library to the LLVM tree 2018-08-28 09:42:41 +00:00
bindings [NewPM][TSan] Reiterate the TSan port 2019-01-16 09:28:01 +00:00
cmake [NFC] Factor out + document build requirements 2019-01-16 22:22:38 +00:00
docs [DOCS] it it => it 2019-01-18 03:56:37 +00:00
examples Python compat - print statement 2019-01-03 14:11:33 +00:00
include Address Ried's post-commit review comment on r351477. 2019-01-17 22:39:31 +00:00
lib [AVR] Expand 8/16-bit multiplication to libcalls on MCUs that don't have hardware MUL 2019-01-18 06:10:41 +00:00
projects [pstl] Initial integration with LLVM's CMake 2018-12-21 15:59:04 +00:00
resources
runtimes Revert "[CMake] Pass Clang defaults to runtimes builds" 2018-07-13 20:01:55 +00:00
test [AVR] Expand 8/16-bit multiplication to libcalls on MCUs that don't have hardware MUL 2019-01-18 06:10:41 +00:00
tools [WebAssembly] Fixed objdump not parsing function headers. 2019-01-17 18:14:09 +00:00
unittests Move demangling function from llvm-objdump to Demangle library 2019-01-17 15:18:44 +00:00
utils gn build: unbreak mac (and maybe win) after r351258, r351277 2019-01-18 04:09:30 +00:00
.arcconfig
.clang-format
.clang-tidy
.gitattributes
.gitignore Git ignore CLion project configuration files. NFC 2019-01-02 19:58:07 +00:00
CMakeLists.txt Revert r351324 "Build LLVM-C.dll by default on windows and enable in release package" 2019-01-16 12:36:28 +00:00
CODE_OWNERS.TXT [llvm-mca] Move llvm-mca library to llvm/lib/MCA. 2018-12-17 08:08:31 +00:00
configure
CREDITS.TXT add Kang Zhang(shkzhang@cn.ibm.com) to the CREDITS.TXT 2018-11-25 02:56:49 +00:00
LICENSE.TXT Update year in license files 2019-01-15 15:10:32 +00:00
llvm.spec.in
LLVMBuild.txt
README.txt Test commit. 2018-09-22 01:01:03 +00:00
RELEASE_TESTERS.TXT Update the list of platforms & archs 2018-12-16 14:47:16 +00:00

README.txt 

The LLVM Compiler Infrastructure
================================

This directory and its subdirectories contain source code for LLVM,
a toolkit for the construction of highly optimized compilers,
optimizers, and runtime environments.

LLVM is open source software. You may freely distribute it under the terms of
the license agreement found in LICENSE.txt.

Please see the documentation provided in docs/ for further
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started with LLVM and docs/README.txt for an overview of LLVM's
documentation setup.

If you are writing a package for LLVM, see docs/Packaging.rst for our
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