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Daniel Sanders 3af4859657 [mips] For the FP64A ABI, odd-numbered double-precision moves must not use mtc1/mfc1. 
Summary:
This is because the FP64A the hardware will redirect 32-bit reads/writes
from/to odd-numbered registers to the upper 32-bits of the corresponding
even register. In effect, simulating FR=0 mode when FR=0 mode is not
available.

Unfortunately, we have to make the decision to avoid mfc1/mtc1 before
register allocation so we currently do this for even registers too.

FPXX has a similar requirement on 32-bit architectures that lack
mfhc1/mthc1 so this patch also handles the affected moves from the FPU for
FPXX too. Moves to the FPU were supported by an earlier commit.

Differential Revision: http://reviews.llvm.org/D4484

llvm-svn: 212938
2014-07-14 13:08:14 +00:00
autoconf Remove path_tclsh.m4. 2014-06-02 12:54:32 +00:00
bindings [OCaml] Documentation improvements. 2014-07-02 22:17:20 +00:00
cmake [CMake][Win32.DLL] Let llvm_add_library(SHARED) link dependent libraries as PRIVATE. 2014-07-14 12:26:15 +00:00
docs Add FileCheck -implicit-check-not option to allow stricter tests without adding too many CHECK-NOTs manually. 2014-07-11 12:39:32 +00:00
examples [CMake] Update libdeps. 2014-07-14 05:01:53 +00:00
include MC: make MCWin64EHInstruction a POD-like struct 2014-07-13 19:03:45 +00:00
lib [mips] For the FP64A ABI, odd-numbered double-precision moves must not use mtc1/mfc1. 2014-07-14 13:08:14 +00:00
projects
test [mips] For the FP64A ABI, odd-numbered double-precision moves must not use mtc1/mfc1. 2014-07-14 13:08:14 +00:00
tools [CMake] Update libdeps. 2014-07-14 05:01:53 +00:00
unittests [CMake] Update libdeps. 2014-07-14 05:01:53 +00:00
utils Option: Propagate flags from groups to options in each group 2014-07-12 00:18:58 +00:00
.arcconfig Updated phabricator server. 2014-04-07 03:57:04 +00:00
.clang-format
.gitignore Add Polly to the ignored trees. 2014-06-25 13:13:36 +00:00
CMakeLists.txt [CMake] Introduce LLVM_SHLIB_OUTPUT_INTDIR. 2014-07-04 04:23:26 +00:00
CODE_OWNERS.TXT ARM Linux support 2014-04-02 23:03:28 +00:00
configure Touch configure to force clang's config.h.in reconfiguration on the build servers 2014-06-06 10:36:38 +00:00
CREDITS.TXT Update Credits. 2014-05-29 19:59:58 +00:00
LICENSE.TXT
llvm.spec.in
LLVMBuild.txt
Makefile
Makefile.common
Makefile.config.in
Makefile.rules [Make] Fix dependencies for td.expanded 2014-06-20 19:00:41 +00:00
README.txt Trivial test commit. 2014-04-26 19:05:45 +00:00

README.txt 

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

This directory and its subdirectories contain source code for the Low Level
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Please see the documentation provided in docs/ for further
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