From b895dd56308304bedcea17852c01dc0cd794bfb8 Mon Sep 17 00:00:00 2001
From: Xiaolin Zhao <zhaoxiaolin@loongson.cn>
Date: Fri, 13 Sep 2024 15:32:03 +0800
Subject: cmd/internal/obj/loong64: add support for instructions FSCALEB{F/D}
 and FLOGB{F/D}

Go asm syntax:
	FSCALEB{F/D}	FK, FJ, FD
	FLOGB{F/D}	FJ, FD

Equivalent platform assembler syntax:
	fscaleb.{s/d}	fd, fj, fk
	flogb.{s/d}	fd, fj

Ref: https://loongson.github.io/LoongArch-Documentation/LoongArch-Vol1-EN.html

Change-Id: I6cd75c7605adbb572dae86d6470ec7cf20ce0f6c
Reviewed-on: https://go-review.googlesource.com/c/go/+/612975
Auto-Submit: abner chenc <chenguoqi@loongson.cn>
Reviewed-by: Cherry Mui <cherryyz@google.com>
Reviewed-by: Tim King <taking@google.com>
Reviewed-by: Meidan Li <limeidan@loongson.cn>
Reviewed-by: abner chenc <chenguoqi@loongson.cn>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
---
 src/cmd/asm/internal/asm/testdata/loong64enc1.s | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'src/cmd/asm')

diff --git a/src/cmd/asm/internal/asm/testdata/loong64enc1.s b/src/cmd/asm/internal/asm/testdata/loong64enc1.s
index 45256beb7c..2688f7f22c 100644
--- a/src/cmd/asm/internal/asm/testdata/loong64enc1.s
+++ b/src/cmd/asm/internal/asm/testdata/loong64enc1.s
@@ -351,3 +351,8 @@ lable2:
 	BSTRPICKV	$0, R4, $0, R5	// 8500c000
 	BSTRPICKV	$63, R4, $0, R5	// 8500ff00
 	BSTRPICKV	$15, R4, $6, R5	// 8518cf00
+
+	FSCALEBF	F4, F5, F6	// a6901001
+	FSCALEBD	F4, F5, F6	// a6101101
+	FLOGBF		F4, F5		// 85241401
+	FLOGBD		F4, F5		// 85281401
-- 
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