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Andrea Di Biagio afbe21e2b8 x86 interrupt calling convention: only save xmm registers if the target supports SSE 
The existing code always saves the xmm registers for 64-bit targets even if the
target doesn't support SSE (which is common for kernels). Thus, the compiler
inserts movaps instructions which lead to CPU exceptions when an interrupt
handler is invoked.

This commit fixes this bug by returning a register set without xmm registers
from getCalleeSavedRegs and getCallPreservedMask for such targets.

Patch by Philipp Oppermann.

Differential Revision: https://reviews.llvm.org/D29959

llvm-svn: 295347
2017-02-16 18:25:37 +00:00
bindings Fix go bindings after r289702 (hopefully, don't really know how to build 2016-12-15 06:54:29 +00:00
cmake [Tablegen] Instrumenting table gen DAGGenISelDAG 2017-02-14 18:32:41 +00:00
docs [LangRef] Explicitly allow readnone and reaodnly functions to unwind 2017-02-13 23:19:07 +00:00
examples Kaleidoscope-Ch7: Add TranformUtils for llvm::createPromoteMemoryToRegisterPass() added in r294870. 2017-02-12 01:18:32 +00:00
include RWMutex.h: Use llvm-config.h instead of config.h in installed headers. 2017-02-16 08:22:08 +00:00
lib x86 interrupt calling convention: only save xmm registers if the target supports SSE 2017-02-16 18:25:37 +00:00
projects [CMake] Correct configuration order of the sub-projects based on ther dependancies 2016-10-09 20:38:29 +00:00
resources In MSVC builds embed a VERSIONINFO resource in our exe and DLL files. 2015-06-12 15:58:29 +00:00
runtimes [CMake] Handle common options for runtimes build 2017-01-10 19:47:05 +00:00
test x86 interrupt calling convention: only save xmm registers if the target supports SSE 2017-02-16 18:25:37 +00:00
tools Remove uses of deprecated std::random_shuffle in the LLVM code base. Reviewed as https://reviews.llvm.org/D29780. 2017-02-16 14:37:03 +00:00
unittests Remove uses of deprecated std::random_shuffle in the LLVM code base. Reviewed as https://reviews.llvm.org/D29780. 2017-02-16 14:37:03 +00:00
utils [Tablegen] Instrumenting table gen DAGGenISelDAG 2017-02-14 18:32:41 +00:00
.arcconfig project_id is from another era in phabricator land and does not provide any value. 2016-09-27 15:47:29 +00:00
.clang-format Test commit. 2014-03-02 13:08:46 +00:00
.clang-tidy .clang-tidy: correct style name is 'camelBack' not 'lowerCase'. 2016-09-13 19:04:26 +00:00
.gitignore [AVR] Add the integrated testing tool to the .gitignore 2016-12-14 11:47:14 +00:00
CMakeLists.txt [Tablegen] Instrumenting table gen DAGGenISelDAG 2017-02-14 18:32:41 +00:00
CODE_OWNERS.TXT Collapse my two entries in CODE_OWNERS.txt 2017-02-15 23:45:21 +00:00
configure Remove autoconf support 2016-01-26 21:29:08 +00:00
CREDITS.TXT Revert r294228 2017-02-06 19:40:56 +00:00
LICENSE.TXT Bump year to 2017 in LICENSE.txt 2017-01-12 18:02:42 +00:00
llvm.spec.in [Sparc] Implement i64 load/store support for 32-bit sparc. 2015-08-10 19:11:39 +00:00
LLVMBuild.txt
README.txt Test commit: remove a blank line. 2017-02-03 10:56:57 +00:00
RELEASE_TESTERS.TXT Update the release tester for MIPS. NFC. 2017-01-17 11:00:28 +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 are writing a package for LLVM, see docs/Packaging.rst for our
suggestions.