From fc41e621e875838bb62a111ac8ad97fa39f2bb2b Mon Sep 17 00:00:00 2001
From: Fan Hongjian <fan.howard@gmail.com>
Date: Thu, 9 Jun 2011 17:19:08 -0400
Subject: math: add sqrt_arm.s and sqrtGoC.go as fallback to soft fp emulation
 5a: add SQRTF and SQRTD 5l: add ASQRTF and ASQRTD

Use ARMv7 VFP VSQRT instruction to speed up math.Sqrt

R=rsc, dave, m
CC=golang-dev
https://golang.org/cl/4551082
---
 src/cmd/5l/softfloat.c | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'src/cmd/5l/softfloat.c')

diff --git a/src/cmd/5l/softfloat.c b/src/cmd/5l/softfloat.c
index 03d8c6d262..4f799d17ee 100644
--- a/src/cmd/5l/softfloat.c
+++ b/src/cmd/5l/softfloat.c
@@ -54,6 +54,8 @@ softfloat(void)
 			case AMULD:
 			case ADIVF:
 			case ADIVD:
+			case ASQRTF:
+			case ASQRTD:
 				goto soft;
 
 			default:
-- 
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