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Mirror of https://github.com/RPCS3/llvm-mirror
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JF Bastien 521bc853f0 x86 atomic: optimize a.store(reg op a.load(acquire), release) 
Summary: PR24191 finds that the expected memory-register operations aren't generated when relaxed { load ; modify ; store } is used. This is similar to PR17281 which was addressed in D4796, but only for memory-immediate operations (and for memory orderings up to acquire and release). This patch also handles some floating-point operations.

Reviewers: reames, kcc, dvyukov, nadav, morisset, chandlerc, t.p.northover, pete

Subscribers: llvm-commits

Differential Revision: http://reviews.llvm.org/D11382

llvm-svn: 244128
2015-08-05 21:04:59 +00:00
autoconf Temporarily revert r244012 while we see if it's really necessary. 2015-08-05 05:32:22 +00:00
bindings Revert "Fix llvm-config to emit the linker flag for the combined shared object built by autoconfig/make instead of the individual components." 2015-08-05 20:03:26 +00:00
cmake Remove the configure and cmake checks for sys/wait.h 2015-08-04 06:29:58 +00:00
docs Update GettingStarted docs list of LLVM_TARGETS_TO_BUILD to match cmake. 2015-08-05 20:55:53 +00:00
examples DI: Rewrite the DIBuilder local variable API 2015-07-31 17:55:53 +00:00
include [PM] Remove a failed attempt to port the CallGraph analysis to the new 2015-08-05 21:04:31 +00:00
lib x86 atomic: optimize a.store(reg op a.load(acquire), release) 2015-08-05 21:04:59 +00:00
projects build: make libunwind a proper project 2015-04-25 01:47:39 +00:00
resources In MSVC builds embed a VERSIONINFO resource in our exe and DLL files. 2015-06-12 15:58:29 +00:00
test x86 atomic: optimize a.store(reg op a.load(acquire), release) 2015-08-05 21:04:59 +00:00
tools Revert "Fix llvm-config to emit the linker flag for the combined shared object built by autoconfig/make instead of the individual components." 2015-08-05 20:03:26 +00:00
unittests [ArrayRefTest] Work around a GCC 4.8 internal compiler error. 2015-08-05 09:39:41 +00:00
utils test-release.sh: Fix naming of OpenMP runtime tarball 2015-08-05 15:36:07 +00:00
.arcconfig Updated phabricator server. 2014-04-07 03:57:04 +00:00
.clang-format Test commit. 2014-03-02 13:08:46 +00:00
.clang-tidy Enable display of compiler diagnostics in clang-tidy by default. 2014-10-29 17:29:38 +00:00
.gitignore Minor updates to gitignore so that symlinks are ignored in the projects dir. 2015-07-07 20:24:58 +00:00
CMakeLists.txt Use a specified list of languages in cmake project() command. 2015-07-28 14:43:53 +00:00
CODE_OWNERS.TXT [WebAssembly] Initial WebAssembly backend 2015-06-29 23:51:55 +00:00
configure Temporarily revert r244012 while we see if it's really necessary. 2015-08-05 05:32:22 +00:00
CREDITS.TXT [WebAssembly] Initial WebAssembly backend 2015-06-29 23:51:55 +00:00
LICENSE.TXT Update for a new year. 2015-03-12 01:25:29 +00:00
llvm.spec.in
LLVMBuild.txt Remove the very substantial, largely unmaintained legacy PGO 2013-10-02 15:42:23 +00:00
Makefile [configure/make] Propagate names of build host tools when making BuildTools 2014-03-25 21:45:41 +00:00
Makefile.common Makefile.common: Update a description, s/Source/SOURCES/ , according to MakefileGuide.html#control-variables . 2012-12-07 01:43:23 +00:00
Makefile.config.in Rename all references to old mailing lists to new lists.llvm.org address. 2015-08-05 03:51:17 +00:00
Makefile.rules Add support for SunOS function/data sections and associated 2015-03-03 20:54:29 +00:00
README.txt Revert test commit at revision 233535. 2015-03-30 12:39:03 +00:00

README.txt 

Low Level Virtual Machine (LLVM)
================================

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
assistance with LLVM, and in particular docs/GettingStarted.rst for getting
started with LLVM and docs/README.txt for an overview of LLVM's
documentation setup.

If you're writing a package for LLVM, see docs/Packaging.rst for our
suggestions.