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cmd/compile: add PPC64-specific inlining for runtime.memmove

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Add rule to PPC64.rules to inline runtime.memmove in more cases, as is
done for other target architectures
Updated tests in codegen/copy.go to verify changes are done on
ppc64/ppc64le

Updates #41662

Change-Id: Id937ce21f9b4f4047b3e66dfa3c960128ee16a2a
Reviewed-on: https://go-review.googlesource.com/c/go/+/352054
Run-TryBot: Lynn Boger <laboger@linux.vnet.ibm.com>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Cherry Mui <cherryyz@google.com>
Trust: Lynn Boger <laboger@linux.vnet.ibm.com>
This commit is contained in:
Archana R 2021-09-24 10:31:20 -05:00 • committed by Lynn Boger
parent 10186e8d69
commit b35c668072
3 changed files with 105 additions and 0 deletions
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8
test/codegen/copy.go
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@ -103,6 +103,8 @@ func moveArchLowering1(b []byte, x *[1]byte) {
_ = b[1]
// amd64:-".*memmove"
// arm64:-".*memmove"
// ppc64:-".*memmove"
// ppc64le:-".*memmove"
copy(b, x[:])
}
@ -110,6 +112,8 @@ func moveArchLowering2(b []byte, x *[2]byte) {
_ = b[2]
// amd64:-".*memmove"
// arm64:-".*memmove"
// ppc64:-".*memmove"
// ppc64le:-".*memmove"
copy(b, x[:])
}
@ -117,6 +121,8 @@ func moveArchLowering4(b []byte, x *[4]byte) {
_ = b[4]
// amd64:-".*memmove"
// arm64:-".*memmove"
// ppc64:-".*memmove"
// ppc64le:-".*memmove"
copy(b, x[:])
}
@ -124,6 +130,8 @@ func moveArchLowering8(b []byte, x *[8]byte) {
_ = b[8]
// amd64:-".*memmove"
// arm64:-".*memmove"
// ppc64:-".*memmove"
// ppc64le:-".*memmove"
copy(b, x[:])
}