From d7a52f93696477a9858dc09a784b4945d3045983 Mon Sep 17 00:00:00 2001
From: Meng Zhuo <mengzhuo@iscas.ac.cn>
Date: Fri, 12 Sep 2025 17:45:56 +0800
Subject: cmd/compile: use MOV(D|F) with const for Const(64|32)F on riscv64

The original Const64F using: AUIPC + LD + FMVDX to load
float64 const, we can use AUIPC + FLD instead, same as Const32F.

Change-Id: I8ca0a0e90d820a26e69b74cd25df3cc662132bf7
Reviewed-on: https://go-review.googlesource.com/c/go/+/703215
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Joel Sing <joel@sing.id.au>
Reviewed-by: David Chase <drchase@google.com>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
---
 test/codegen/floats.go | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

(limited to 'test/codegen')

diff --git a/test/codegen/floats.go b/test/codegen/floats.go
index 666c983b56..b453cabf3b 100644
--- a/test/codegen/floats.go
+++ b/test/codegen/floats.go
@@ -268,10 +268,12 @@ func Float64DenormalFloat32Constant() float64 {
 
 func Float32ConstantStore(p *float32) {
 	// amd64:"MOVL\t[$]1085133554"
+	// riscv64: "MOVF\t[$]f32.40add2f2"
 	*p = 5.432
 }
 
 func Float64ConstantStore(p *float64) {
-	// amd64:"MOVQ\t[$]4617801906721357038"
+	// amd64: "MOVQ\t[$]4617801906721357038"
+	// riscv64: "MOVD\t[$]f64.4015ba5e353f7cee"
 	*p = 5.432
 }
-- 
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