SVE Instruction List by Dougall Johnson
# CNTP (predicate as counter): Set scalar to count from predicate-as-counter

CNTP Xd, PNn.B, VLx2 (SVE2.1 (SME2+S

## 128-bit SVE

Decode (1) from its predicate-as-counter representation to a double-length predicate, then set (2) to the number of non-zero bits.

## 256-bit SVE

Decode (1) from its predicate-as-counter representation to a double-length predicate, then set (2) to the number of non-zero bits.

## 512-bit SVE

Decode (1) from its predicate-as-counter representation to a double-length predicate, then set (2) to the number of non-zero bits.

## Larger sizes

## 1024-bit SVE

Decode (1) from its predicate-as-counter representation to a double-length predicate, then set (2) to the number of non-zero bits.

## 2048-bit SVE

Decode (1) from its predicate-as-counter representation to a double-length predicate, then set (2) to the number of non-zero bits.

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Inspired by and based on the x86/x64 SIMD Instruction List by Daytime.