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LLVM backend for 6502
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c52cd839b9
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Ahmed Bougacha c52cd839b9 [AArch64] Improve codegen of store lane 0 instructions by directly storing the subregister. 
For 0-lane stores, we used to generate code similar to:

  fmov w8, s0
  str w8, [x0, x1, lsl #2]

instead of:

  str s0, [x0, x1, lsl #2]

To correct that: for store lane 0 patterns, directly match to STR <subreg>0.

Byte-sized instructions don't have the special case for a 0 index,
because FPR8s are defined to have untyped content.

rdar://16372710
Differential Revision: http://reviews.llvm.org/D6772


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@225181 91177308-0d34-0410-b5e6-96231b3b80d8
2015-01-05 17:02:28 +00:00
autoconf [multilib] Add support to the autoconf build to substitute 2014-12-29 11:58:17 +00:00
bindings [OCaml] [cmake] Use LLVM_LIBRARY_DIR instead of LLVM_LIBRARY_OUTPUT_INTDIR. 2014-12-30 03:24:07 +00:00
cmake [OCaml] [cmake] Use LLVM_LIBRARY_DIR instead of LLVM_LIBRARY_OUTPUT_INTDIR. 2014-12-30 03:24:07 +00:00
docs [LangRef] Correct a typo 2015-01-05 04:05:21 +00:00
examples Once more on the cmake build. nativecodegen->native on the dependencies. 2014-12-08 18:24:06 +00:00
include [PM] Don't run the machinery of invalidating all the analysis passes 2015-01-05 12:32:11 +00:00
lib [AArch64] Improve codegen of store lane 0 instructions by directly storing the subregister. 2015-01-05 17:02:28 +00:00
projects
test [AArch64] Improve codegen of store lane 0 instructions by directly storing the subregister. 2015-01-05 17:02:28 +00:00
tools [PM] Switch the new pass manager to use a reference-based API for IR 2015-01-05 02:47:05 +00:00
unittests [PM] Add names and debug logging for analysis passes to the new pass 2015-01-05 12:21:44 +00:00
utils [X86] Remove unused operand type from disassembler handling. NFC 2015-01-05 08:18:52 +00:00
.arcconfig
.clang-format
.clang-tidy
.gitignore
CMakeLists.txt [py3] Teach the CMake build to reject Python versions older than 2.7. 2014-12-29 19:36:05 +00:00
CODE_OWNERS.TXT Add myself as SystemZ code owner 2014-12-18 19:27:50 +00:00
configure [multilib] Add support to the autoconf build to substitute 2014-12-29 11:58:17 +00:00
CREDITS.TXT
LICENSE.TXT
llvm.spec.in
LLVMBuild.txt
Makefile
Makefile.common
Makefile.config.in Add a check for misbehaving -Wcomment from gcc-4.7 and add 2014-11-05 00:35:15 +00:00
Makefile.rules Add a check for misbehaving -Wcomment from gcc-4.7 and add 2014-11-05 00:35:15 +00:00
README.txt [TEST-COMMIT] As per Developer Policy, Added a blank line. 2014-12-06 00:38:39 +00:00

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