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From: Jeff Johnston <jjohnstn@sourceware.org>
To: newlib-cvs@sourceware.org
Subject: [newlib-cygwin] arm: Fix memchr() for Armv8-R
Date: Mon, 14 Dec 2020 21:10:42 +0000 (GMT)	[thread overview]
Message-ID: <20201214211042.A92383861018@sourceware.org> (raw)

https://sourceware.org/git/gitweb.cgi?p=newlib-cygwin.git;h=6cc47c4c330a6468dd8a42b88f97c5aaecad3cdb

commit 6cc47c4c330a6468dd8a42b88f97c5aaecad3cdb
Author: Sebastian Huber <sebastian.huber@embedded-brains.de>
Date:   Fri Dec 4 08:42:04 2020 +0100

    arm: Fix memchr() for Armv8-R
    
    The Cortex-R52 processor is an Armv8-R processor with a NEON unit.  This
    fix prevents conflicting architecture profiles A/R errors issued by the
    linker.
    
    Signed-off-by: Sebastian Huber <sebastian.huber@embedded-brains.de>

Diff:
---
 newlib/libc/machine/arm/memchr.S | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/newlib/libc/machine/arm/memchr.S b/newlib/libc/machine/arm/memchr.S
index 7c22b117e..1a4c6512c 100644
--- a/newlib/libc/machine/arm/memchr.S
+++ b/newlib/libc/machine/arm/memchr.S
@@ -79,7 +79,11 @@
 
 @ NOTE: This ifdef MUST match the one in memchr-stub.c
 #if defined (__ARM_NEON__) || defined (__ARM_NEON)
+#if __ARM_ARCH >= 8 && __ARM_ARCH_PROFILE == 'R'
+	.arch	armv8-r
+#else
 	.arch	armv7-a
+#endif
 	.fpu	neon


                 reply	other threads:[~2020-12-14 21:10 UTC|newest]

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