fcml binary package in Ubuntu Focal s390x

 FCML, the Free Code Manipulation Library, is a general-purpose
 machine code manipulation library for i386 and amd64 architectures.
 It includes an assembler and disassembler, instruction renderers and
 parsers, and supports Intel and AT&T (gas) syntax.
 .
 It supports most recent instruction set extensions, including MMX,
 3D-Now!, SSE including 4.2 and 4A, AVX and AVX2, AES-NI, TBM, BMI1
 and BMI2, HLE, ADX, CLMUL, RDRAND, RDSEED, FMA, FMA4, LWP, SVM, XOP,
 VMX and SMX.
 .
 This package contains a simple but useful single-line assembler and
 disassembler.

Source package