RPCS3/llvm
1
0
Fork 0
mirror of https://github.com/RPCS3/llvm.git synced 2024-12-22 20:20:03 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity
Old fork of llvm-mirror, used on older RPCS3 builds
101,177 Commits 39 Branches 10 Tags 850 MiB
LLVM 52.9%
C++ 32.7%
Assembly 13.2%
Python 0.4%
C 0.4%
Other 0.3%
58b6bfeb22
Go to file
Daniel Sanders 58b6bfeb22 [mips][fp64] Add an implicit def to MTHC1 claiming that it reads the lower 32-bits of 64-bit FPR 
Summary:
This is a white lie to workaround a widespread bug in the -mfp64
implementation.

The problem is that none of the 32-bit fpu ops mention the fact that they
clobber the upper 32-bits of the 64-bit FPR. This allows MTHC1 to be
scheduled on the wrong side of most 32-bit FPU ops, particularly MTC1.
Fixing that requires a major overhaul of the FPU implementation which can't
be done right now due to time constraints.

The testcase is SingleSource/Benchmarks/Misc/oourafft.c when given
TARGET_CFLAGS='-mips32r2 mfp64 -mmsa'.

Also correct the comment added in r203464 to indicate that two
instructions were affected.

Reviewers: matheusalmeida, jacksprat

Reviewed By: matheusalmeida

Differential Revision: http://llvm-reviews.chandlerc.com/D3029

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@203659 91177308-0d34-0410-b5e6-96231b3b80d8
2014-03-12 13:35:43 +00:00
autoconf Add a --enable-clang-plugin-support option to configure. 2014-03-10 16:58:35 +00:00
bindings [python-bindings] Remove some cruft that snuck in. 2014-02-23 04:43:26 +00:00
cmake [CMake] add_llvm_target(): No need to include TABLEGEN_OUTPUT in source list. 2014-03-04 17:05:28 +00:00
docs IR: add a second ordering operand to cmpxhg for failure 2014-03-11 10:48:52 +00:00
examples Fix warnings about an variable only used in asserts. 2014-03-06 06:35:46 +00:00
include Replace '#include ValueTypes.h' with forward declarations. 2014-03-12 08:00:24 +00:00
lib [mips][fp64] Add an implicit def to MTHC1 claiming that it reads the lower 32-bits of 64-bit FPR 2014-03-12 13:35:43 +00:00
projects "Mac OS/X" -> "Mac OS X" spelling fixes for llvm. 2014-03-07 18:08:54 +00:00
test [mips] BSEL's and BINS[RL] operands are reversed compared to the vselect node used in the pattern. 2014-03-12 11:54:00 +00:00
tools Object: rename ARMV7 to ARMNT 2014-03-11 03:08:37 +00:00
unittests support: add a utility function to normalise path separators 2014-03-11 22:05:42 +00:00
utils [lit] Fix non-function style print statement. 2014-03-11 14:05:49 +00:00
.arcconfig
.clang-format Test commit. 2014-03-02 13:08:46 +00:00
.gitignore Added .DS_Store entry in .gitignore for ignoring .DS_Store files in the source 2014-01-25 15:15:16 +00:00
CMakeLists.txt move WITH_POLLY option before add_subdirectory(tools) 2014-03-11 22:42:07 +00:00
CODE_OWNERS.TXT Add myself as owner for libc++ 2014-02-18 14:03:17 +00:00
configure Add a --enable-clang-plugin-support option to configure. 2014-03-10 16:58:35 +00:00
CREDITS.TXT
LICENSE.TXT
llvm.spec.in
LLVMBuild.txt
Makefile Provide CMake package modules in install tree 2014-02-09 16:37:02 +00:00
Makefile.common
Makefile.config.in Add a --enable-clang-plugin-support option to configure. 2014-03-10 16:58:35 +00:00
Makefile.rules "Mac OS/X" -> "Mac OS X" spelling fixes for llvm. 2014-03-07 18:08:54 +00:00
README.txt

README.txt 

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

This directory and its subdirectories contain source code for the Low Level
Virtual Machine, 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.