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| author | Sanjay Patel <spatel@rotateright.com> | 2017-05-12 21:30:31 +0000 |
|---|---|---|
| committer | Sanjay Patel <spatel@rotateright.com> | 2017-05-12 21:30:31 +0000 |
| commit | 2413af21747af4cf9f8d507be686afca7226ae06 (patch) | |
| tree | 387ac8f5a5fbc87cacba08290a450b8426fb8720 | |
| parent | 1b8589407b9dc8252d5a597abe40ca62ae826f12 (diff) | |
| download | bcm5719-llvm-2413af21747af4cf9f8d507be686afca7226ae06.tar.gz bcm5719-llvm-2413af21747af4cf9f8d507be686afca7226ae06.zip | |
[Doc] Document "Splat" in the lexicon
Patch by Wei-Ren Chen (陳韋任)!
Differential Revision: https://reviews.llvm.org/D32964
llvm-svn: 302950
| -rw-r--r-- | llvm/docs/Lexicon.rst | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/llvm/docs/Lexicon.rst b/llvm/docs/Lexicon.rst index 35687e25818..ebc3fb772e8 100644 --- a/llvm/docs/Lexicon.rst +++ b/llvm/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 |
