cmd/compile: intrinsify functions added to runtime/internal/sys

This restores intrinsic status to functions copied from math/bits into runtime/internal/sys, as an aid to runtime performance. Updates golang#35112. Change-Id: I41a7d87cf00f1e64d82aa95c5b1000bc128de820 Reviewed-on: https://go-review.googlesource.com/c/go/+/206200 Run-TryBot: David Chase <[email protected]> TryBot-Result: Gobot Gobot <[email protected]> Reviewed-by: Cherry Zhang <[email protected]>
benoit-a · Nov 9, 2019 · a0262b2 · a0262b2
1 parent bde1968
commit a0262b2
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/src/cmd/compile/internal/gc/ssa.go b/src/cmd/compile/internal/gc/ssa.go
@@ -3519,6 +3519,11 @@ func init() {
 	alias("runtime/internal/atomic", "CasRel", "runtime/internal/atomic", "Cas", lwatomics...)
 
 	alias("runtime/internal/sys", "Ctz8", "math/bits", "TrailingZeros8", all...)
+	alias("runtime/internal/sys", "TrailingZeros8", "math/bits", "TrailingZeros8", all...)
+	alias("runtime/internal/sys", "TrailingZeros64", "math/bits", "TrailingZeros64", all...)
+	alias("runtime/internal/sys", "Len8", "math/bits", "Len8", all...)
+	alias("runtime/internal/sys", "Len64", "math/bits", "Len64", all...)
+	alias("runtime/internal/sys", "OnesCount64", "math/bits", "OnesCount64", all...)
 
 	/******** math ********/
 	addF("math", "Sqrt",