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test/codegen: port math/bits.OnesCount tests to codegen

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And remove them from ssa_test.

Change-Id: I3efac5fea529bb0efa2dae32124530482ba5058e
Reviewed-on: https://go-review.googlesource.com/98815
Reviewed-by: Keith Randall <khr@golang.org>
This commit is contained in:
Alberto Donizetti 2018-03-06 12:55:41 +01:00
parent f624445473
commit 18ae5eca3b
2 changed files with 28 additions and 52 deletions
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28
test/codegen/mathbits.go
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@ -96,6 +96,34 @@ func Len8(n uint8) int {
return bits.Len8(n)
}
// -------------------- //
// bits.OnesCount //
// -------------------- //
func OnesCount(n uint) int {
//amd64:"POPCNTQ",".*support_popcnt"
//arm64:"VCNT","VUADDLV"
return bits.OnesCount(n)
}
func OnesCount64(n uint64) int {
//amd64:"POPCNTQ",".*support_popcnt"
//arm64:"VCNT","VUADDLV"
return bits.OnesCount64(n)
}
func OnesCount32(n uint32) int {
//amd64:"POPCNTL",".*support_popcnt"
//arm64:"VCNT","VUADDLV"
return bits.OnesCount32(n)
}
func OnesCount16(n uint16) int {
//amd64:"POPCNTL",".*support_popcnt"
//arm64:"VCNT","VUADDLV"
return bits.OnesCount16(n)
}
// ------------------------ //
// bits.TrailingZeros //
// ------------------------ //