patches/glibc/2.6/190-use_short_for_fnstsw.patch
author "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
Wed Jun 25 08:41:47 2008 +0000 (2008-06-25)
changeset 616 6e78f7085707
permissions -rw-r--r--
Add a patch to gcc-4.2.{0,1,2,3} to fix soft-float on PowerPC.

/trunk/patches/gcc/4.2.0/920-soft-float.patch | 21 21 0 0 +++++++++++++++++++++
/trunk/patches/gcc/4.2.1/920-soft-float.patch | 21 21 0 0 +++++++++++++++++++++
/trunk/patches/gcc/4.2.2/920-soft-float.patch | 21 21 0 0 +++++++++++++++++++++
/trunk/patches/gcc/4.2.3/920-soft-float.patch | 21 21 0 0 +++++++++++++++++++++
4 files changed, 84 insertions(+)
     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.  */