From 425a88193ca39e82dc3dbcae22b98dbdfd98a04c Mon Sep 17 00:00:00 2001
From: David Chase <drchase@google.com>
Date: Wed, 10 Dec 2025 16:50:21 -0500
Subject: cmd/compile: (arm64) optimize float32(round64(float64(x)))

Not a fix because there are other architectures
still to be done.

Updates #75463.

Change-Id: Ifca03975023e4e5d0ffa98d1f877314a1a291be0
Reviewed-on: https://go-review.googlesource.com/c/go/+/729161
Reviewed-by: Keith Randall <khr@golang.org>
Reviewed-by: Keith Randall <khr@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
---
 test/codegen/floats.go | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'test/codegen')

diff --git a/test/codegen/floats.go b/test/codegen/floats.go
index 21735ab19d..bf9e70d43e 100644
--- a/test/codegen/floats.go
+++ b/test/codegen/floats.go
@@ -282,11 +282,13 @@ func Float64ConstantStore(p *float64) {
 
 func WideCeilNarrow(x float32) float32 {
 	// amd64/v3:"ROUNDSS"
+	// arm64:"FRINTPS"
 	return float32(math.Ceil(float64(x)))
 }
 
 func WideTruncNarrow(x float32) float32 {
 	// amd64/v3:"ROUNDSS"
+	// arm64:"FRINTZS"
 	return float32(math.Trunc(float64(x)))
 }
 
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