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* AArch64/ARM64: remove AArch64 from tree prior to renaming ARM64.Tim Northover2014-05-241-241/+0
| | | | | | | | | | | | | | | | I'm doing this in two phases for a better "git blame" record. This commit removes the previous AArch64 backend and redirects all functionality to ARM64. It also deduplicates test-lines and removes orphaned AArch64 tests. The next step will be "git mv ARM64 AArch64" and rewire most of the tests. Hopefully LLVM is still functional, though it would be even better if no-one ever had to care because the rename happens straight afterwards. llvm-svn: 209576
* AArch64/ARM64: enable various AArch64 tests on ARM64.Tim Northover2014-04-221-1/+1
| | | | llvm-svn: 206877
* AArch64: __va_list.__stack must be 8-byte alignedOliver Stannard2014-02-201-0/+42
| | | | | | | | The va_start macro for AArch64 must set va_list.__stack to the address following the last named argument on the stack, rounded up to an alignment of 8 bytes. llvm-svn: 201797
* Fix a typo about lowering AArch64 va_copy.Jiangning Liu2014-02-181-14/+9
| | | | llvm-svn: 201541
* Fix non-deterministic SDNodeOrder-dependent codegenNico Rieck2014-01-121-2/+2
| | | | | | | Reset SelectionDAGBuilder's SDNodeOrder to ensure deterministic code generation. llvm-svn: 199050
* [AArch64] Make the use of FP instructions optional, but enabled by default.Amara Emerson2013-10-311-0/+59
| | | | | | | This adds a new subtarget feature called FPARMv8 (implied by NEON), and predicates the support of the FP instructions and registers on this feature. llvm-svn: 193739
* AArch64: enable MISched by default.Tim Northover2013-10-091-3/+4
| | | | | | | | | | | | Substantial SelectionDAG scheduling is going away soon, and is interfering with Hao's attempts to implement LDn/STn instructions, so I say we make the leap first. There were a few reorderings (inevitably) which broke some tests. I tried to replace them with CHECK-DAG variants mostly, but some too complex for that to be useful and I just reordered them. llvm-svn: 192282
* Convert CodeGen/*/*.ll tests to use the new CHECK-LABEL for easier ↵Stephen Lin2013-07-131-6/+6
| | | | | | | | | | debugging. No functionality change and all tests pass after conversion. This was done with the following sed invocation to catch label lines demarking function boundaries: sed -i '' "s/^;\( *\)\([A-Z0-9_]*\):\( *\)test\([A-Za-z0-9_-]*\):\( *\)$/;\1\2-LABEL:\3test\4:\5/g" test/CodeGen/*/*.ll which was written conservatively to avoid false positives rather than false negatives. I scanned through all the changes and everything looks correct. llvm-svn: 186258
* Add explicit triples to AArch64 testsTim Northover2013-02-011-1/+1
| | | | | | | | Only Linux is supported at the moment, and other platforms quickly fault. As a result these tests would fail on non-Linux hosts. It may be worth making the tests more generic again as more platforms are supported. llvm-svn: 174170
* Add AArch64 as an experimental target.Tim Northover2013-01-311-0/+144
This patch adds support for AArch64 (ARM's 64-bit architecture) to LLVM in the "experimental" category. Currently, it won't be built unless requested explicitly. This initial commit should have support for: + Assembly of all scalar (i.e. non-NEON, non-Crypto) instructions (except the late addition CRC instructions). + CodeGen features required for C++03 and C99. + Compilation for the "small" memory model: code+static data < 4GB. + Absolute and position-independent code. + GNU-style (i.e. "__thread") TLS. + Debugging information. The principal omission, currently, is performance tuning. This patch excludes the NEON support also reviewed due to an outbreak of batshit insanity in our legal department. That will be committed soon bringing the changes to precisely what has been approved. Further reviews would be gratefully received. llvm-svn: 174054
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