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Oliver Stannard 43a6ec7452 [ARM] Add ARMv8.2-A FP16 scalar instructions
This was originally committed as r255762, but reverted as it broke windows
bots. Re-commitiing the exact same patch, as the underlying cause was fixed by
r258677.

ARMv8.2-A adds 16-bit floating point versions of all existing VFP
floating-point instructions. This is an optional extension, so all of
these instructions require the FeatureFullFP16 subtarget feature.

The assembly for these instructions uses S registers (AArch32 does not
have H registers), but the instructions have ".f16" type specifiers
rather than ".f32" or ".f64". The top 16 bits of each source register
are ignored, and the top 16 bits of the destination register are set to
zero.

These instructions are mostly the same as the 32- and 64-bit versions,
but they use coprocessor 9 rather than 10 and 11.

Two new instructions, VMOVX and VINS, have been added to allow packing
and extracting two 16-bit floats stored in the top and bottom halves of
an S register.

New fixup kinds have been added for the PC-relative load and store
instructions, but no ELF relocations have been added as they have a
range of 512 bytes.

Differential Revision: http://reviews.llvm.org/D15038

llvm-svn: 258678
2016-01-25 10:26:26 +00:00
autoconf Update version to 3.9. 2016-01-13 17:32:32 +00:00
bindings Deprecate a few C APIs. 2015-12-18 23:46:42 +00:00
cmake [cmake] Disable manifest generation when LLD is the linker 2016-01-22 23:27:13 +00:00
docs [libFuzzer] add -abort_on_timeout option 2016-01-23 19:34:19 +00:00
examples Fix examples corresponding to r257302. 2016-01-11 05:04:20 +00:00
include AVX512: VMOVDQU8/16/32/64 (load) intrinsic implementation. 2016-01-24 08:04:33 +00:00
lib [ARM] Add ARMv8.2-A FP16 scalar instructions 2016-01-25 10:26:26 +00:00
projects [CMake] Disable adding the test suite as a projects subdirectory 2015-10-28 18:36:56 +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 [ARM] Add ARMv8.2-A FP16 scalar instructions 2016-01-25 10:26:26 +00:00
tools [llvm-size] Use stderr instead of stdout for error messages. 2016-01-25 01:24:15 +00:00
unittests ObjectTransformLayerTest.cpp: Rework r258633. [-Winconsistent-missing-override] 2016-01-23 20:48:50 +00:00
utils [TableGen] Fix sort order of asm operand classes 2016-01-25 10:20:19 +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 adding readability-identifier-naming to llvm clang-tidy configuration. 2015-12-08 17:44:51 +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 [GlobalISel] Add the proper cmake plumbing. 2016-01-20 20:58:56 +00:00
CODE_OWNERS.TXT The PS4 baton passes. 2015-12-19 20:04:03 +00:00
configure Update version to 3.9. 2016-01-13 17:32:32 +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 [Sparc] Implement i64 load/store support for 32-bit sparc. 2015-08-10 19:11:39 +00:00
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.config.in We're actually -Wmissing-field-initializers clean thanks to the cmake 2015-08-07 16:44:47 +00:00
Makefile.rules Create Makefile variables for 'share' and 'libexec' 2015-11-09 16:10:00 +00:00
README.txt Revert previous test commit. 2016-01-04 19:13:29 +00:00

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