From: Russell King <rmk@dyn-67.arm.linux.org.uk>
Date: Wed, 8 Mar 2006 17:25:33 +0000 (+0000)
Subject: [ARM] Fix muldi3.S
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=3c8fdae78cf5d73c6739912a1ff087c0f23b2a47;p=GitHub%2FLineageOS%2Fandroid_kernel_motorola_exynos9610.git

[ARM] Fix muldi3.S

When shifting the low-parts of signed numbers, a logical shift
should be used to avoid sign-extending a bit which isn't a sign
bit.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
---

diff --git a/arch/arm/lib/muldi3.S b/arch/arm/lib/muldi3.S
index 72d594184b8a..d89c60615794 100644
--- a/arch/arm/lib/muldi3.S
+++ b/arch/arm/lib/muldi3.S
@@ -29,8 +29,8 @@ ENTRY(__aeabi_lmul)
 
 	mul	xh, yl, xh
 	mla	xh, xl, yh, xh
-	mov	ip, xl, asr #16
-	mov	yh, yl, asr #16
+	mov	ip, xl, lsr #16
+	mov	yh, yl, lsr #16
 	bic	xl, xl, ip, lsl #16
 	bic	yl, yl, yh, lsl #16
 	mla	xh, yh, ip, xh