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Diffstat (limited to 'llvm/docs/GlobalISel/GenericOpcode.rst')
| -rw-r--r-- | llvm/docs/GlobalISel/GenericOpcode.rst | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/llvm/docs/GlobalISel/GenericOpcode.rst b/llvm/docs/GlobalISel/GenericOpcode.rst index f9f9e11..bf1b3cb 100644 --- a/llvm/docs/GlobalISel/GenericOpcode.rst +++ b/llvm/docs/GlobalISel/GenericOpcode.rst @@ -607,6 +607,17 @@ See the LLVM LangRef entry on '``llvm.lround.*'`` for details on behaviour. Vector Specific Operations -------------------------- +G_VSCALE +^^^^^^^^ + +Puts the value of the runtime ``vscale`` multiplied by the value in the source +operand into the destination register. This can be useful in determining the +actual runtime number of elements in a vector. + +.. code-block:: + + %0:_(s32) = G_VSCALE 4 + G_INSERT_SUBVECTOR ^^^^^^^^^^^^^^^^^^ |