Lang Hames
a9699d475f
Add a testcase for the changes in r199938.
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<rdar://problem/15611947>
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@200027 91177308-0d34-0410-b5e6-96231b3b80d8
2014-01-24 19:00:19 +00:00
Lang Hames
d8f4348cab
Replace vfmaddxx213 instructions with their 231-type equivalents in accumulator
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loops. Writing back to the accumulator (231-type) allows the coalescer to
eliminate an extra copy.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@199933 91177308-0d34-0410-b5e6-96231b3b80d8
2014-01-23 20:23:36 +00:00
Owen Anderson
58dcd200b7
Teach SelectionDAG to constant fold all-constant FMA nodes the same way that it constant folds FADD, FMUL, etc.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@181555 91177308-0d34-0410-b5e6-96231b3b80d8
2013-05-09 22:27:13 +00:00
NAKAMURA Takumi
1ba64859f5
llvm/test/CodeGen/X86/fma.ll: Add -march=x86, or two tests would fail on non-x86 hosts.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162667 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-27 11:50:26 +00:00
Anitha Boyapati
0aa63fcbcb
FMA3 tests on bdver2 target for changes made in rev 162012. Also made
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corresponding changes to existing tests for darwin triple to ensure that
same pattern is tested for bdver2 target.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162655 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-27 06:59:01 +00:00
Elena Demikhovsky
1503aba4a0
Added FMA functionality to X86 target.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161110 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-01 12:06:00 +00:00
Cameron Zwarich
33390848a7
Add an intrinsic and codegen support for fused multiply-accumulate. The intent
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is to use this for architectures that have a native FMA instruction.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134742 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-08 21:39:21 +00:00
