svn commit: r245642 - head/contrib/compiler-rt/lib
Andrew Turner
andrew at FreeBSD.org
Sat Jan 19 02:24:15 UTC 2013
Author: andrew
Date: Sat Jan 19 02:24:14 2013
New Revision: 245642
URL: http://svnweb.freebsd.org/changeset/base/245642
Log:
Don't use the pcs attribute on compilers that don't support it. We can
revert this when we stop supporting old versions of gcc.
Modified:
head/contrib/compiler-rt/lib/int_lib.h
Modified: head/contrib/compiler-rt/lib/int_lib.h
==============================================================================
--- head/contrib/compiler-rt/lib/int_lib.h Sat Jan 19 02:22:01 2013 (r245641)
+++ head/contrib/compiler-rt/lib/int_lib.h Sat Jan 19 02:24:14 2013 (r245642)
@@ -25,7 +25,15 @@
#if __ARM_EABI__
# define ARM_EABI_FNALIAS(aeabi_name, name) \
void __aeabi_##aeabi_name() __attribute__((alias("__" #name)));
-# define COMPILER_RT_ABI __attribute__((pcs("aapcs")))
+
+# if !defined(__clang__) && defined(__GNUC__) && \
+ (__GNUC__ < 4 || __GNUC__ == 4 && __GNUC_MINOR__ < 5)
+/* The pcs attribute was introduced in GCC 4.5.0 */
+# define COMPILER_RT_ABI
+# else
+# define COMPILER_RT_ABI __attribute__((pcs("aapcs")))
+# endif
+
#else
# define ARM_EABI_FNALIAS(aeabi_name, name)
# define COMPILER_RT_ABI
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