Files
avo/examples/pragma/asm.go
Michael McLoughlin 9c70781236 all: go 1.17 (#197)
Bump CI Go versions to 1.16 and 1.17.
Update build tags with `go:build` equivalents.
Upgrade asmfmt tool for new `go:build` support.

Updates #183
2021-10-29 01:18:34 -07:00

26 lines
525 B
Go

//go:build ignore
// +build ignore
package main
import (
. "github.com/mmcloughlin/avo/build"
. "github.com/mmcloughlin/avo/operand"
)
func main() {
TEXT("Add", NOSPLIT, "func(z, x, y *uint64)")
Pragma("noescape")
Doc("Add adds the values at x and y and writes the result to z.")
zptr := Mem{Base: Load(Param("z"), GP64())}
xptr := Mem{Base: Load(Param("x"), GP64())}
yptr := Mem{Base: Load(Param("y"), GP64())}
x, y := GP64(), GP64()
MOVQ(xptr, x)
MOVQ(yptr, y)
ADDQ(x, y)
MOVQ(y, zptr)
RET()
Generate()
}