mirror of
https://github.com/golang/go.git
synced 2025-10-31 08:40:55 +00:00
b2fd76ab8d
Most of the test cases in the test directory use the new go:build syntax already. Convert the rest. In general, try to place the build constraint line below the test directive comment in more places. For #41184. For #60268. Change-Id: I11c41a0642a8a26dc2eda1406da908645bbc005b Cq-Include-Trybots: luci.golang.try:gotip-linux-386-longtest,gotip-linux-amd64-longtest,gotip-windows-amd64-longtest Reviewed-on: https://go-review.googlesource.com/c/go/+/536236 Reviewed-by: Ian Lance Taylor <iant@google.com> Reviewed-by: Dmitri Shuralyov <dmitshur@google.com> Auto-Submit: Dmitri Shuralyov <dmitshur@golang.org> LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
43 lines
580 B
Go
43 lines
580 B
Go
// asmcheck -gcflags=-spectre=ret
|
|
|
|
//go:build amd64
|
|
|
|
package codegen
|
|
|
|
func CallFunc(f func()) {
|
|
// amd64:`CALL\truntime.retpoline`
|
|
f()
|
|
}
|
|
|
|
func CallInterface(x interface{ M() }) {
|
|
// amd64:`CALL\truntime.retpoline`
|
|
x.M()
|
|
}
|
|
|
|
// Check to make sure that jump tables are disabled
|
|
// when retpoline is on. See issue 57097.
|
|
func noJumpTables(x int) int {
|
|
switch x {
|
|
case 0:
|
|
return 0
|
|
case 1:
|
|
return 1
|
|
case 2:
|
|
return 2
|
|
case 3:
|
|
return 3
|
|
case 4:
|
|
return 4
|
|
case 5:
|
|
return 5
|
|
case 6:
|
|
return 6
|
|
case 7:
|
|
return 7
|
|
case 8:
|
|
return 8
|
|
case 9:
|
|
return 9
|
|
}
|
|
return 10
|
|
}
|