How Can I Make Go Assembly Output More Readable and Organized?

Making Go Assembly Output More Readable

The assembly output generated by the Go compiler can be challenging to decipher. This article provides solutions to two common issues: generating an assembly output file and organizing the assembly code into separate functions with labels.

Dumping Assembly Output to a File

To save the assembly output to a file, redirect it using the following command:

go tool compile -S file.go > file.s

Separating Assembly into Functions

To separate the assembly code into functions with labels, disable compiler optimizations using the -N flag:

go tool compile -S -N file.go

Additionally, using gccgo offers an alternative approach:

gccgo -S -O0 -masm=intel test.go

This will generate an assembly file named test.s, where you can adjust the optimization level (-O0/1/2/3) to observe the effects of compiler optimizations.

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