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Date: Fri, 20 Nov 2020 18:45:03 +0800
From: Jinliang Li <jinliang.li@...ux.alibaba.com>
To: musl@...ts.openwall.com
Cc: jinliang.li@...ux.alibaba.com
Subject: [PATCH] Fix build error for vabs.f64 and vsqrt.f64
To fix the build error "Error: selected fpu does not support instruction vabs.f64 or vsqrt.f64",
when single precision fpu, e.g. -mfpu=fpv5-sp-d16 is selected.
Check if double precision fpu is supported for vabs.f64 and vsqrt.f64.
---
src/math/arm/fabs.c | 2 +-
src/math/arm/sqrt.c | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/src/math/arm/fabs.c b/src/math/arm/fabs.c
index f890520a..6e1d367d 100644
--- a/src/math/arm/fabs.c
+++ b/src/math/arm/fabs.c
@@ -1,6 +1,6 @@
#include <math.h>
-#if __ARM_PCS_VFP
+#if __ARM_PCS_VFP && __ARM_FP&8
double fabs(double x)
{
diff --git a/src/math/arm/sqrt.c b/src/math/arm/sqrt.c
index 874af960..567e2e91 100644
--- a/src/math/arm/sqrt.c
+++ b/src/math/arm/sqrt.c
@@ -1,6 +1,6 @@
#include <math.h>
-#if __ARM_PCS_VFP || (__VFP_FP__ && !__SOFTFP__)
+#if (__ARM_PCS_VFP || (__VFP_FP__ && !__SOFTFP__)) && (__ARM_FP&8)
double sqrt(double x)
{
--
2.28.0
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