# Hexagon V75 HVX Programmer’s Reference Manual

Contents

- [Introduction](https://docs.qualcomm.com/doc/80-N3040-23/topic/v75-hvx-prm-introduction.html)
    - [SIMD coprocessor](https://docs.qualcomm.com/doc/80-N3040-23/topic/v75-hvx-prm-introduction.html#simd-coprocessor)
    - [HVX features](https://docs.qualcomm.com/doc/80-N3040-23/topic/v75-hvx-prm-introduction.html#hvx-features)
- [Registers](https://docs.qualcomm.com/doc/80-N3040-23/topic/v75-hvx-registers.html)
    - [Vector data registers](https://docs.qualcomm.com/doc/80-N3040-23/topic/v75-hvx-registers.html#vector-data-registers)
    - [Vector predicate registers](https://docs.qualcomm.com/doc/80-N3040-23/topic/v75-hvx-registers.html#vector-predicate-registers)
- [Memory](https://docs.qualcomm.com/doc/80-N3040-23/topic/v75-hvx-memory.html)
    - [Alignment](https://docs.qualcomm.com/doc/80-N3040-23/topic/v75-hvx-memory.html#alignment)
    - [HVX local memory: VTCM](https://docs.qualcomm.com/doc/80-N3040-23/topic/v75-hvx-memory.html#hvx-local-memory-vtcm)
    - [Scatter and gather](https://docs.qualcomm.com/doc/80-N3040-23/topic/v75-hvx-memory.html#scatter-and-gather)
    - [Memory type](https://docs.qualcomm.com/doc/80-N3040-23/topic/v75-hvx-memory.html#memory-type)
    - [Nontemporal](https://docs.qualcomm.com/doc/80-N3040-23/topic/v75-hvx-memory.html#nontemporal)
    - [Permissions](https://docs.qualcomm.com/doc/80-N3040-23/topic/v75-hvx-memory.html#permissions)
    - [Ordering](https://docs.qualcomm.com/doc/80-N3040-23/topic/v75-hvx-memory.html#ordering)
    - [Atomicity](https://docs.qualcomm.com/doc/80-N3040-23/topic/v75-hvx-memory.html#atomicity)
    - [Maximizing performance of the vector memory system](https://docs.qualcomm.com/doc/80-N3040-23/topic/v75-hvx-memory.html#maximizing-performance-of-the-vector-memory-system)
- [Vector instructions](https://docs.qualcomm.com/doc/80-N3040-23/topic/v75-hvx-vector-instructions.html)
    - [VLIW packing rules](https://docs.qualcomm.com/doc/80-N3040-23/topic/v75-hvx-vector-instructions.html#vliw-packing-rules)
    - [Vector load/store](https://docs.qualcomm.com/doc/80-N3040-23/topic/v75-hvx-vector-instructions.html#vector-load-store)
    - [Scatter and gather](https://docs.qualcomm.com/doc/80-N3040-23/topic/v75-hvx-vector-instructions.html#scatter-and-gather)
    - [Memory instruction slot combinations](https://docs.qualcomm.com/doc/80-N3040-23/topic/v75-hvx-vector-instructions.html#memory-instruction-slot-combinations)
    - [Special instructions](https://docs.qualcomm.com/doc/80-N3040-23/topic/v75-hvx-vector-instructions.html#special-instructions)
    - [HVX floating point](https://docs.qualcomm.com/doc/80-N3040-23/topic/v75-hvx-vector-instructions.html#hvx-floating-point)
    - [Instruction latency](https://docs.qualcomm.com/doc/80-N3040-23/topic/v75-hvx-vector-instructions.html#instruction-latency)
    - [Slot/resource/latency summary](https://docs.qualcomm.com/doc/80-N3040-23/topic/v75-hvx-vector-instructions.html#slot-resource-latency-summary)
- [HVX PMU events](https://docs.qualcomm.com/doc/80-N3040-23/topic/v75-hvx-pmu-events.html)
- [HVX instruction set](https://docs.qualcomm.com/doc/80-N3040-23/topic/v75-hvx-instruction-set.html)
    - [ALL-COMPUTE-RESOURCE](https://docs.qualcomm.com/doc/80-N3040-23/topic/v75-hvx-instruction-set.html#all-compute-resource)
    - [ALU-DOUBLE-RESOURCE](https://docs.qualcomm.com/doc/80-N3040-23/topic/v75-hvx-instruction-set.html#alu-double-resource)
    - [ALU-RESOURCE](https://docs.qualcomm.com/doc/80-N3040-23/topic/v75-hvx-instruction-set.html#alu-resource)
    - [DEBUG](https://docs.qualcomm.com/doc/80-N3040-23/topic/v75-hvx-instruction-set.html#debug)
    - [GATHER-DOUBLE-RESOURCE](https://docs.qualcomm.com/doc/80-N3040-23/topic/v75-hvx-instruction-set.html#gather-double-resource)
    - [GATHER](https://docs.qualcomm.com/doc/80-N3040-23/topic/v75-hvx-instruction-set.html#gather)
    - [LOAD](https://docs.qualcomm.com/doc/80-N3040-23/topic/v75-hvx-instruction-set.html#load)
    - [MPY-DOUBLE-RESOURCE](https://docs.qualcomm.com/doc/80-N3040-23/topic/v75-hvx-instruction-set.html#mpy-double-resource)
    - [MPY-RESOURCE](https://docs.qualcomm.com/doc/80-N3040-23/topic/v75-hvx-instruction-set.html#mpy-resource)
    - [PERMUTE-RESOURCE](https://docs.qualcomm.com/doc/80-N3040-23/topic/v75-hvx-instruction-set.html#permute-resource)
    - [PERMUTE-SHIFT-RESOURCE](https://docs.qualcomm.com/doc/80-N3040-23/topic/v75-hvx-instruction-set.html#permute-shift-resource)
    - [SCATTER-DOUBLE-RESOURCE](https://docs.qualcomm.com/doc/80-N3040-23/topic/v75-hvx-instruction-set.html#scatter-double-resource)
    - [SCATTER](https://docs.qualcomm.com/doc/80-N3040-23/topic/v75-hvx-instruction-set.html#scatter)
    - [SHIFT-RESOURCE](https://docs.qualcomm.com/doc/80-N3040-23/topic/v75-hvx-instruction-set.html#shift-resource)
    - [STORE](https://docs.qualcomm.com/doc/80-N3040-23/topic/v75-hvx-instruction-set.html#store)

Last Published: Oct 06, 2026

[Previous Topic
Vector shift words with truncate and pack](https://docs.qualcomm.com/bundle/publicresource/80-N3040-23/topics/instruction-set.md) [Next Topic
Introduction](https://docs.qualcomm.com/bundle/publicresource/80-N3040-23/topics/v75-hvx-prm-introduction.md)