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* Convert CodeGen/*/*.ll tests to use the new CHECK-LABEL for easier ↵Stephen Lin2013-07-131-5/+5
| | | | | | | | | | 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
* Remove some register allocation order dependencies.Jakob Stoklund Olesen2013-01-191-3/+3
| | | | llvm-svn: 172874
* Add LLVM support for Swift.Bob Wilson2012-09-291-2/+2
| | | | llvm-svn: 164899
* Add test triples to fix win32 failures. Revert workaround from r161292.Bob Wilson2012-08-081-4/+4
| | | | | | I don't have a win32 system to test, so hopefully I got them all fixed here. llvm-svn: 161519
* Refactor and check "onlyReadsMemory" before optimizing builtins.Bob Wilson2012-08-031-1/+1
| | | | | | | | | This patch is mostly just refactoring a bunch of copy-and-pasted code, but it also adds a check that the call instructions are readnone or readonly. That check was already present for sin, cos, sqrt, log2, and exp2 calls, but it was missing for the rest of the builtins being handled in this code. llvm-svn: 161282
* Inflate register classes after coalescing.Jakob Stoklund Olesen2011-08-091-1/+3
| | | | | | | | | | | | | | | | | | | | | | | Coalescing can remove copy-like instructions with sub-register operands that constrained the register class. Examples are: x86: GR32_ABCD:sub_8bit_hi -> GR32 arm: DPR_VFP2:ssub0 -> DPR Recompute the register class of any virtual registers that are used by less instructions after coalescing. This affects code generation for the Cortex-A8 where we use NEON instructions for f32 operations, c.f. fp_convert.ll: vadd.f32 d16, d1, d0 vcvt.s32.f32 d0, d16 The register allocator is now free to use d16 for the temporary, and that comes first in the allocation order because it doesn't interfere with any s-registers. llvm-svn: 137133
* Avoid write-after-write issue hazards for Cortex-A9.Bob Wilson2011-04-191-1/+1
| | | | | | | | | | | Add a avoidWriteAfterWrite() target hook to identify register classes that suffer from write-after-write hazards. For those register classes, try to avoid writing the same register in two consecutive instructions. This is currently disabled by default. We should not spill to avoid hazards! The command line flag -avoid-waw-hazard can be used to enable waw avoidance. llvm-svn: 129772
* Re-commit 117518 and 117519 now that ARM MC test failures are out of the way.Evan Cheng2010-10-281-1/+1
| | | | llvm-svn: 117531
* Revert 117518 and 117519 for now. They changed scheduling and cause MC tests ↵Evan Cheng2010-10-281-1/+1
| | | | | | to fail. Ugh. llvm-svn: 117520
* - Assign load / store with shifter op address modes the right itinerary classes.Evan Cheng2010-10-281-1/+1
| | | | | | | | | | - For now, loads of [r, r] addressing mode is the same as the [r, r lsl/lsr/asr #] variants. ARMBaseInstrInfo::getOperandLatency() should identify the former case and reduce the output latency by 1. - Also identify [r, r << 2] case. This special form of shifter addressing mode is "free". llvm-svn: 117519
* Change ARM scheduling default to list-hybrid if the target supports floating ↵Evan Cheng2010-05-211-1/+1
| | | | | | point instructions (and is not using soft float). llvm-svn: 104307
* switch the flag for using NEON for SP floating point to a subtarget 'feature'.Jim Grosbach2010-03-251-2/+1
| | | | | | Re-commit. This time complete with testsuite updates. llvm-svn: 99570
* Convert ARM tests to FileCheck for PR5307.Edward O'Callaghan2009-11-221-5/+18
| | | | llvm-svn: 89593
* Use Unified Assembly Syntax for the ARM backend.Jim Grosbach2009-11-091-3/+3
| | | | llvm-svn: 86494
* Remove neonfp attribute and instead set default based on CPU string. Add ↵David Goodwin2009-10-011-2/+2
| | | | | | -arm-use-neon-fp to override the default. llvm-svn: 83218
* Eliminate more uses of llvm-as and llvm-dis.Dan Gohman2009-09-091-5/+5
| | | | llvm-svn: 81293
* Make NEON single-precision FP support the default for cortex-a8 (again).David Goodwin2009-08-071-0/+2
| | | | llvm-svn: 78430
* Add NEON single-precision FP support for fabs and fneg.David Goodwin2009-08-041-0/+13
llvm-svn: 78101
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