From: Richard Henderson <rth@redhat.com>
To: gcc-patches@gcc.gnu.org
Cc: Richard Earnshaw <richard.earnshaw@arm.com>
Subject: [cxx-mem-model 2/2] arm: Install __sync libfuncs for Linux.
Date: Thu, 03 Nov 2011 23:37:00 -0000 [thread overview]
Message-ID: <1320362654-20244-3-git-send-email-rth@redhat.com> (raw)
In-Reply-To: <1320362654-20244-1-git-send-email-rth@redhat.com>
Cc: Richard Earnshaw <richard.earnshaw@arm.com>
---
gcc/config/arm/arm.c | 4 ++++
1 files changed, 4 insertions(+), 0 deletions(-)
diff --git a/gcc/config/arm/arm.c b/gcc/config/arm/arm.c
index 5f0d562..9963faa 100644
--- a/gcc/config/arm/arm.c
+++ b/gcc/config/arm/arm.c
@@ -1096,6 +1096,10 @@ arm_set_fixed_conv_libfunc (convert_optab optable, enum machine_mode to,
static void
arm_init_libfuncs (void)
{
+ /* For Linux, we have access to kernel support for atomic operations. */
+ if (arm_abi == ARM_ABI_AAPCS_LINUX)
+ init_sync_libfuncs (8);
+
/* There are no special library functions unless we are using the
ARM BPABI. */
if (!TARGET_BPABI)
--
1.7.6.4
next prev parent reply other threads:[~2011-11-03 23:25 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-11-03 23:27 [cxx-mem-model 0/2] Support the legacy __sync libcalls Richard Henderson
2011-11-03 23:31 ` [cxx-mem-model 1/2] Allow libcalls to be installed for legacy __sync optabs Richard Henderson
2011-11-03 23:37 ` Richard Henderson [this message]
2011-11-24 1:10 ` [cxx-mem-model 2/2] arm: Install __sync libfuncs for Linux Richard Henderson
2011-11-24 10:43 ` Richard Earnshaw
2011-11-24 20:33 ` Richard Henderson
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