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[LangRef] add link for fma intrinsic

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@371615 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Sanjay Patel 2019-09-11 13:25:32 +00:00
parent 4f0161c366
commit dd60615d53
1 changed files with 3 additions and 1 deletions
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docs/LangRef.rst
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@ -12073,6 +12073,8 @@ trapping or setting ``errno``.
When specified with the fast-math-flag 'afn', the result may be approximated
using a less accurate calculation.
.. _int_fma:
'``llvm.fma.*``' Intrinsic
^^^^^^^^^^^^^^^^^^^^^^^^^^
@ -13953,7 +13955,7 @@ is equivalent to the expression a \* b + c, except that rounding will
not be performed between the multiplication and addition steps if the
code generator fuses the operations. Fusion is not guaranteed, even if
the target platform supports it. If a fused multiply-add is required, the
corresponding llvm.fma.\* intrinsic function should be used
corresponding :ref:`llvm.fma <int_fma>` intrinsic function should be used
instead. This never sets errno, just as '``llvm.fma.*``'.
Examples: