Source file test/abi/fibish.go

     1  // run
     2  
     3  //go:build !wasm
     4  
     5  // Copyright 2021 The Go Authors. All rights reserved.
     6  // Use of this source code is governed by a BSD-style
     7  // license that can be found in the LICENSE file.
     8  
     9  package main
    10  
    11  import "fmt"
    12  
    13  // Test that register results are correctly returned (and passed)
    14  
    15  //go:registerparams
    16  //go:noinline
    17  func f(x int) (int, int) {
    18  
    19  	if x < 3 {
    20  		return 0, x
    21  	}
    22  
    23  	a, b := f(x - 2)
    24  	c, d := f(x - 1)
    25  	return a + d, b + c
    26  }
    27  
    28  func main() {
    29  	x := 40
    30  	a, b := f(x)
    31  	fmt.Printf("f(%d)=%d,%d\n", x, a, b)
    32  }
    33  

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