Source file test/abi/fibish.go

     1  // run
     2  
     3  //go:build !wasm
     4  // +build !wasm
     5  
     6  // Copyright 2021 The Go Authors. All rights reserved.
     7  // Use of this source code is governed by a BSD-style
     8  // license that can be found in the LICENSE file.
     9  
    10  package main
    11  
    12  import "fmt"
    13  
    14  // Test that register results are correctly returned (and passed)
    15  
    16  //go:registerparams
    17  //go:noinline
    18  func f(x int) (int, int) {
    19  
    20  	if x < 3 {
    21  		return 0, x
    22  	}
    23  
    24  	a, b := f(x - 2)
    25  	c, d := f(x - 1)
    26  	return a + d, b + c
    27  }
    28  
    29  func main() {
    30  	x := 40
    31  	a, b := f(x)
    32  	fmt.Printf("f(%d)=%d,%d\n", x, a, b)
    33  }
    34  

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