patches/glibc/2.6.1/160-use_short_for_fnstsw.patch
author "Michael Hope <michaelh@juju.net.nz>"
Fri Jun 28 22:23:54 2013 +0200 (2013-06-28)
changeset 3221 0fdcf9204209
parent 607 aaf7ae5cb11a
permissions -rw-r--r--
cc/gcc: update Linaro GCC revisions for 2013.06

Update Linaro GCC with the latest available revisions.

Also updates Linaro GCC 4.6 to the final version.

Signed-off-by: "Michael Hope" <michaelh@juju.net.nz>
Message-Id: <83e33862f7641c2ad326.1372451435@localhost>
Patchwork-Id: 255666
     1 Original patch from H.J. Lu, as reported there:
     2 http://www.nabble.com/PATCH:-Use-short-for-fnstsw-td14775171.html
     3 
     4 fnstsw stores 16bit into %ax. The upper 16bit of %eax is unchanged.
     5 The new assembler (binutils-2.18.50.0.4 and up) will disallow "fnstsw %eax".
     6 
     7 diff -dur glibc-2.6.1.orig/sysdeps/i386/fpu/ftestexcept.c glibc-2.6.1/sysdeps/i386/fpu/ftestexcept.c
     8 --- glibc-2.6.1.orig/sysdeps/i386/fpu/ftestexcept.c	2004-03-05 11:14:48.000000000 +0100
     9 +++ glibc-2.6.1/sysdeps/i386/fpu/ftestexcept.c	2008-06-24 10:56:14.000000000 +0200
    10 @@ -26,7 +26,7 @@
    11  int
    12  fetestexcept (int excepts)
    13  {
    14 -  int temp;
    15 +  short temp;
    16    int xtemp = 0;
    17  
    18    /* Get current exceptions.  */