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Message-Id: <1524102704-8973-3-git-send-email-armccurdy@gmail.com>
Date: Wed, 18 Apr 2018 18:51:44 -0700
From: Andre McCurdy <armccurdy@...il.com>
To: musl@...ts.openwall.com
Cc: Andre McCurdy <armccurdy@...il.com>
Subject: [PATCH 2/2] arm: enable a_ll and a_sc helper functions when building for ARMv6T2
ARMv6 cores with support for Thumb2 can take advantage of the "ldrex"
and "strex" based implementations of a_ll and a_sc.
---
arch/arm/atomic_arch.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/arm/atomic_arch.h b/arch/arm/atomic_arch.h
index 5ff1be1..62458b4 100644
--- a/arch/arm/atomic_arch.h
+++ b/arch/arm/atomic_arch.h
@@ -8,7 +8,7 @@ extern uintptr_t __attribute__((__visibility__("hidden")))
__a_cas_ptr, __a_barrier_ptr;
#if ((__ARM_ARCH_6__ || __ARM_ARCH_6K__ || __ARM_ARCH_6KZ__ || __ARM_ARCH_6ZK__) && !__thumb__) \
- || __ARM_ARCH_7A__ || __ARM_ARCH_7R__ || __ARM_ARCH >= 7
+ || __ARM_ARCH_6T2__ || __ARM_ARCH_7A__ || __ARM_ARCH_7R__ || __ARM_ARCH >= 7
#define a_ll a_ll
static inline int a_ll(volatile int *p)
--
1.9.1
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