From 98b8e7609c725beeb7520863b3d0e07d95396e05 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Sigrid=20Solveig=20Hafl=C3=ADnud=C3=B3ttir?=
 <sigrid@ftrv.se>
Date: Tue, 9 May 2023 19:20:33 +0000
Subject: libc/arm64: sqrt() in assembly

---
 sys/src/libc/arm64/mkfile | 1 +
 sys/src/libc/arm64/sqrt.s | 4 ++++
 2 files changed, 5 insertions(+)
 create mode 100644 sys/src/libc/arm64/sqrt.s

(limited to 'sys/src')

diff --git a/sys/src/libc/arm64/mkfile b/sys/src/libc/arm64/mkfile
index d4391780b..701f6bdd6 100644
--- a/sys/src/libc/arm64/mkfile
+++ b/sys/src/libc/arm64/mkfile
@@ -14,6 +14,7 @@ SFILES=\
 	memmove.s\
 	memset.s\
 	setjmp.s\
+	sqrt.s\
 	tas.s\
 
 CFILES=\
diff --git a/sys/src/libc/arm64/sqrt.s b/sys/src/libc/arm64/sqrt.s
new file mode 100644
index 000000000..f637c6128
--- /dev/null
+++ b/sys/src/libc/arm64/sqrt.s
@@ -0,0 +1,4 @@
+TEXT	sqrt(SB), $0
+	FMOVD	a+0(FP), F0
+	FSQRTD	F0, F0
+	RETURN
-- 
cgit v1.2.3