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| author | Dimitry Andric <dim@FreeBSD.org> | 2017-05-16 19:46:52 +0000 |
|---|---|---|
| committer | Dimitry Andric <dim@FreeBSD.org> | 2017-05-16 19:46:52 +0000 |
| commit | 6b3f41ed88e8e440e11a4fbf20b6600529f80049 (patch) | |
| tree | 928b056f24a634d628c80238dbbf10d41b1a71d5 /docs/Lexicon.rst | |
| parent | c46e6a5940c50058e00c0c5f9123fd82e338d29a (diff) | |
Vendor import of llvm trunk r303197:vendor/llvm/llvm-trunk-r303197
Diffstat (limited to 'docs/Lexicon.rst')
| -rw-r--r-- | docs/Lexicon.rst | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/docs/Lexicon.rst b/docs/Lexicon.rst index 35687e258182..ebc3fb772e81 100644 --- a/docs/Lexicon.rst +++ b/docs/Lexicon.rst @@ -249,6 +249,14 @@ S Superword-Level Parallelism, same as :ref:`Basic-Block Vectorization <lexicon-bb-vectorization>`. +**Splat** + Splat refers to a vector of identical scalar elements. + + The term is based on the PowerPC Altivec instructions that provided + this functionality in hardware. For example, "vsplth" and the corresponding + software intrinsic "vec_splat()". Examples of other hardware names for this + action include "duplicate" (ARM) and "broadcast" (x86). + **SRoA** Scalar Replacement of Aggregates |