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FMUL (vectors, unpredicated)

.

Multiply all elements of the first source vector by corresponding floating-point elements of the second source vector and place the results in the corresponding elements of the destination vector. This instruction is unpredicated.

Floating-point multiply vectors (unpredicated).

Multiply all elements of the first source vector by corresponding floating-point elements of the second source vector and place the results in the corresponding elements of the destination vector. This instruction is unpredicated.

313029282726252423222120191817161514131211109876543210
01100101size0Zm000010ZnZd

FMUL <Zd>.<T>, <Zn>.<T>, <Zm>.<T>

if !HaveSVE() then UNDEFINED; if size == '00' then UNDEFINED; integer esize = 8 << UInt(size); integer n = UInt(Zn); integer m = UInt(Zm); integer d = UInt(Zd);

Assembler Symbols

<Zd>

Is the name of the destination scalable vector register, encoded in the "Zd" field.

<T> Is the size specifier, encoded in size:
size<T>
00RESERVED
01H
10S
11D
<T>

Is the size specifier, encoded in size:

size<T>
00RESERVED
01H
10S
11D
<Zn>

Is the name of the first source scalable vector register, encoded in the "Zn" field.

<Zm>

Is the name of the second source scalable vector register, encoded in the "Zm" field.

Operation

CheckSVEEnabled(); integer elements = VL DIV esize; bits(VL) operand1 = Z[n]; bits(VL) operand2 = Z[m]; bits(VL) result; for e = 0 to elements-1 bits(esize) element1 = Elem[operand1, e, esize]; bits(esize) element2 = Elem[operand2, e, esize]; Elem[result, e, esize] = FPMul(element1, element2, FPCR[]); Z[d] = result;


Internal version only: isa v32.13v32.12, AdvSIMD v29.05v29.04, pseudocode v2020-12v2020-09_xml, sve v2020-12v2020-09_rc3 ; Build timestamp: 2020-12-16T142020-11-18T17:1723

Copyright © 2010-2020 Arm Limited or its affiliates. All rights reserved. This document is Non-Confidential.

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