From: Kir Kolyshkin <kolyshkin@gmail.com>
Date: Thu, 18 Sep 2025 01:00:10 +0000 (-0700)
Subject: cmd/compile/internal/abi: use clear built-in
X-Git-Tag: go1.26rc1~829
X-Git-Url: http://www.git.cypherpunks.su/?a=commitdiff_plain;h=0ab038af6290c7fb52d4c26949d735692781b3d1;p=gostls13.git

cmd/compile/internal/abi: use clear built-in

Replace for loop with clear, available since Go 1.21.

Change-Id: I949da08b2a11845cc8a02b2639af78835e316970
Reviewed-on: https://go-review.googlesource.com/c/go/+/704879
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Mark Freeman <markfreeman@google.com>
Reviewed-by: Sean Liao <sean@liao.dev>
Reviewed-by: Michael Knyszek <mknyszek@google.com>
---

diff --git a/src/cmd/compile/internal/abi/abiutils.go b/src/cmd/compile/internal/abi/abiutils.go
index c013aba19c..dacaad3f30 100644
--- a/src/cmd/compile/internal/abi/abiutils.go
+++ b/src/cmd/compile/internal/abi/abiutils.go
@@ -661,9 +661,7 @@ func (state *assignState) tryAllocRegs(typ *types.Type) []RegIndex {
 func (pa *ABIParamAssignment) ComputePadding(storage []uint64) []uint64 {
 	nr := len(pa.Registers)
 	padding := storage[:nr]
-	for i := 0; i < nr; i++ {
-		padding[i] = 0
-	}
+	clear(padding)
 	if pa.Type.Kind() != types.TSTRUCT || nr == 0 {
 		return padding
 	}