Merge remote-tracking branch 'origin/cmetcalf/tile_faccessat'

diff --cc ChangeLog
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+ 2012-01-28  Chris Metcalf  <cmetcalf@tilera.com>
+ 
+       * sysdeps/unix/sysv/linux/faccessat.c (faccessat): Call __fxstatat64.
+ 
  2012-01-28  Ulrich Drepper  <drepper@gmail.com>
  
 +      * sysdeps/x86_64/fpu/bits/mathinline.h (__signbitl): Optimize a bit.
 +      Avoid unnecessary __WORDSIZE == 64 test.
 +      (fmaxf): Use VEX format if possible.
 +      (fmax): Likewise.
 +      (fminf): Likewise.
 +      (fmin): Likewise.
 +
 +      * config.h.in: Define HAVE_SSE2AVX_SUPPORT.
 +      * math/math_private.h: Remove libc_fegetround* and
 +      libc_fesetround*.
 +      * sysdeps/i386/configure.in: Check for -msse2avx.
 +      * sysdeps/x86_64/fpu/math_private.h: Use VEX-encoded instructions
 +      also if SSE2AVX is defined.
 +      Remove libc_fegetround* and libc_fesetround*.
 +      * sysdeps/x86_64/fpu/multiarch/Makefile: Compile *-avx functions
 +      if config-cflags-sse2avx is yes.  Also add -DSSE2AVX to defines.
 +      * sysdeps/x86_64/fpu/multiarch/e_atan2.c: Use HAS_AVX again instead
 +      of HAS_YMM_USABLE.
 +      * sysdeps/x86_64/fpu/multiarch/e_exp.c: Likewise.
 +      * sysdeps/x86_64/fpu/multiarch/e_log.c: Likewise.
 +      * sysdeps/x86_64/fpu/multiarch/s_atan.c: Likewise.
 +      * sysdeps/x86_64/fpu/multiarch/s_sin.c: Likewise.
 +      * sysdeps/x86_64/fpu/multiarch/s_tan.c: Likewise.
 +
        * sysdeps/x86_64/fpu/math_private.h: Simplify use of AVX instructions.
  
  2012-01-19  Adhemerval Zanella  <azanella@linux.vnet.ibm.com>