patches/glibc/2.6/190-use_short_for_fnstsw.patch
author "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
Sat Jul 26 09:31:07 2008 +0000 (2008-07-26)
changeset 727 33c246763c8a
permissions -rw-r--r--
Update the PPC sample, add a new softfloat PPC sample, thanks to Thomas JOURDAN.

/trunk/samples/powerpc-unknown-linux-gnu/crosstool.config | 54 42 12 0 ++
/trunk/samples/powerpc-unknown_nofpu-linux-gnu/crosstool.config | 331 331 0 0 +++++++++++++++
/trunk/samples/powerpc-unknown_nofpu-linux-gnu/reported.by | 2 2 0 0 +
3 files changed, 375 insertions(+), 12 deletions(-)
     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.  */