From 037112464b4439571b45536de9ebe4bc9e10ecb7 Mon Sep 17 00:00:00 2001
From: Marcel Meyer <mm.marcelmeyer@gmail.com>
Date: Thu, 10 Apr 2025 21:52:32 +0000
Subject: [PATCH] cmd/compile/internal/ssa: use built-in min function

Change-Id: Id4276adea58afdf98c6f9b547cca0546fc659ae1
GitHub-Last-Rev: 4c836241c86d51c69330153dea1c5679958c37f9
GitHub-Pull-Request: golang/go#73323
Reviewed-on: https://go-review.googlesource.com/c/go/+/664695
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Keith Randall <khr@google.com>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
Reviewed-by: Keith Randall <khr@golang.org>
Auto-Submit: Dmitri Shuralyov <dmitshur@google.com>
---
 src/cmd/compile/internal/ssa/writebarrier.go | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/src/cmd/compile/internal/ssa/writebarrier.go b/src/cmd/compile/internal/ssa/writebarrier.go
index aed24feda2..e235659dc0 100644
--- a/src/cmd/compile/internal/ssa/writebarrier.go
+++ b/src/cmd/compile/internal/ssa/writebarrier.go
@@ -593,10 +593,7 @@ func (f *Func) computeZeroMap(select1 []*Value) map[ID]ZeroRegion {
 					continue
 				}
 
-				nptr := v.Type.Elem().Size() / ptrSize
-				if nptr > 64 {
-					nptr = 64
-				}
+				nptr := min(64, v.Type.Elem().Size()/ptrSize)
 				zeroes[mem.ID] = ZeroRegion{base: v, mask: 1<<uint(nptr) - 1}
 			}
 		}