Paolo Bonzini <bonz...@gnu.org> writes:
>> 2012-04-26 Rainer Orth <r...@cebitec.uni-bielefeld.de>
>>
>> libgcc:
>> * config.host (i[34567]86-*-linux*, x86_64-*-linux*)
>> (i[34567]86-*-kfreebsd*-gnu, x86_64-*-kfreebsd*-gnu)
>> (i[34567]86-*-knetbsd*-gnu, i[34567]86-*-gnu*): Move
>> i386/t-cpuinfo ...
>> (i[34567]86-*-*, x86_64-*-*): ... here.
>>
>> * config/i386/libgcc-bsd.ver (GCC_4.8.0): New version.
>> * config/i386/libgcc-sol2.ver (GCC_4.8.0): New version.
>>
>> * config/i386/i386-cpuinfo.c: Rename to ...
>> * config/i386/cpuinfo.c: ... this.
>> * config/i386/t-cpuinfo (LIB2ADD): Reflect this.
>>
>> * configure.ac (AC_CONFIG_HEADER): Call for auto-target.h.
>> (libgcc_cv_init_priority): New test.
>> * configure: Regenerate.
>> * config.in: New file.
>> * Makefile.in (clean): Rename config.h to auto-target.h.
>> (config.h): Likewise.
>> (stamp-h): Likewise.
>>
>> * config/i386/cpuinfo.c (auto-target.h): Include.
>> (CONSTRUCTOR_PRIORITY): Define.
>> (__cpu_indicator_init): Use it.
>>
>> gcc
>> * config/i386/i386.c: Update comments for i386-cpuinfo.c name
>> change.
>>
>
> Looks good.
Given that there were no further comments, I've committed the patch
with the following doc snippet added, after bootstrapping on
i386-pc-solaris2.10 with as and x86_64-unknown-linux-gnu.
Thanks.
Rainer
* doc/extend.texi (X86 Built-in Functions, __builtin_cpu_init):
Document requirement to call in constructors.
diff --git a/gcc/doc/extend.texi b/gcc/doc/extend.texi
--- a/gcc/doc/extend.texi
+++ b/gcc/doc/extend.texi
@@ -9432,8 +9432,9 @@ executed before any constructors are cal
automatically executed in a very high priority constructor.
For example, this function has to be used in @code{ifunc} resolvers which
-check for CPU type using the builtins, @code{__builtin_cpu_is}
-and @code{__builtin_cpu_supports}.
+check for CPU type using the builtins @code{__builtin_cpu_is}
+and @code{__builtin_cpu_supports}, or in constructors on targets which
+don't support constructor priority.
@smallexample
static void (*resolve_memcpy (void)) (void)
--
-----------------------------------------------------------------------------
Rainer Orth, Center for Biotechnology, Bielefeld University
