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wasmtime/examples/gcd.wat
Alex Crichton 3c51d3adb8 Move all examples to a top-level directory (#1286)
* Move all examples to a top-level directory

This commit moves all API examples (Rust and C) to a top-level
`examples` directory. This is intended to make it more discoverable and
conventional as to where examples are located. Additionally all examples
are now available in both Rust and C to see how to execute the example
in the language you're familiar with. The intention is that as more
languages are supported we'd add more languages as examples here too.

Each example is also accompanied by either a `*.wat` file which is
parsed as input, or a Rust project in a `wasm` folder which is compiled
as input.

A simple driver crate was also added to `crates/misc` which executes all
the examples on CI, ensuring the C and Rust examples all execute
successfully.
2020-03-11 15:37:24 -05:00

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(module
(func $gcd (param i32 i32) (result i32)
(local i32)
block ;; label = @1
block ;; label = @2
local.get 0
br_if 0 (;@2;)
local.get 1
local.set 2
br 1 (;@1;)
end
loop ;; label = @2
local.get 1
local.get 0
local.tee 2
i32.rem_u
local.set 0
local.get 2
local.set 1
local.get 0
br_if 0 (;@2;)
end
end
local.get 2
)
(export "gcd" (func $gcd))
)