First discussed here:
http://gcc.gnu.org/ml/gcc/2005-01/msg00509.html

Revision 1.12, Wed Mar 2 20:11:38 2005 UTC by roland
Branch: MAIN
CVS Tags: fedora-glibc-20050303T1335, HEAD
Changes since 1.11: +3 -8 lines
Diff to previous 1.11 (colored)

2005-02-21  Alan Modra <amodra@bigpond.net.au>

	* sysdeps/unix/sysv/linux/powerpc/sys/procfs.h (elf_vrreg_t): Don't
	use __uint128_t.

http://sources.redhat.com/cgi-bin/cvsweb.cgi/libc/sysdeps/unix/sysv/linux/powerpc/sys/procfs.h?cvsroot=glibc
http://sources.redhat.com/cgi-bin/cvsweb.cgi/libc/sysdeps/unix/sysv/linux/powerpc/sys/procfs.h.diff?r1=1.11&r2=1.12&cvsroot=glibc

Fixes

In file included from ../linuxthreads_db/proc_service.h:20,
                 from ../linuxthreads_db/thread_dbP.h:7,
                 from ../linuxthreads/descr.h:44,
                 from ../linuxthreads/internals.h:30,
                 from ../linuxthreads/sysdeps/pthread/bits/libc-lock.h:27,
                 from ../sysdeps/generic/ldsodefs.h:38,
                 from ../sysdeps/unix/sysv/linux/ldsodefs.h:25,
                 from <stdin>:2:
../sysdeps/unix/sysv/linux/powerpc/sys/procfs.h:57: error: syntax error before 'elf_vrreg_t'
../sysdeps/unix/sysv/linux/powerpc/sys/procfs.h:57: warning: type defaults to 'int' in declaration of 'elf_vrreg_t'
../sysdeps/unix/sysv/linux/powerpc/sys/procfs.h:57: warning: data definition has no type or storage class
../sysdeps/unix/sysv/linux/powerpc/sys/procfs.h:58: error: syntax error before 'elf_vrregset_t'
../sysdeps/unix/sysv/linux/powerpc/sys/procfs.h:58: warning: type defaults to 'int' in declaration of 'elf_vrregset_t'
../sysdeps/unix/sysv/linux/powerpc/sys/procfs.h:58: warning: data definition has no type or storage class
make[2]: make[2]: Leaving directory `/home/dank/queue/jobdir.fast2/crosstool-dev/build/powerpc-750-linux-gnu/gcc-4.0-20050305-glibc-2.3-20050307/glibc-2.3-20050307/csu'


===================================================================
RCS file: /cvs/glibc/libc/sysdeps/unix/sysv/linux/powerpc/sys/procfs.h,v
retrieving revision 1.11
retrieving revision 1.12
diff -u -r1.11 -r1.12
--- libc/sysdeps/unix/sysv/linux/powerpc/sys/procfs.h	2003/12/17 23:09:34	1.11
+++ libc/sysdeps/unix/sysv/linux/powerpc/sys/procfs.h	2005/03/02 20:11:38	1.12
@@ -46,15 +46,10 @@
 typedef double elf_fpreg_t;
 typedef elf_fpreg_t elf_fpregset_t[ELF_NFPREG];
 
-/* gcc 3.1 and newer support __uint128_t.  */
-#if !__GNUC_PREREQ(3,1)
-typedef struct {
-  unsigned long u[4];
-} __attribute((aligned(16))) __uint128_t;
-#endif
-
 /* Altivec registers */
-typedef __uint128_t elf_vrreg_t;
+typedef struct {
+  unsigned int u[4];
+} __attribute__ ((aligned (16))) elf_vrreg_t;
 typedef elf_vrreg_t elf_vrregset_t[ELF_NVRREG];
 #endif