patches/glibc/2.5/160-use_short_for_fnstsw.patch
author "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
Mon Mar 30 21:17:21 2009 +0000 (2009-03-30)
changeset 1281 12a2991fcffb
parent 607 aaf7ae5cb11a
permissions -rw-r--r--
Cleanup the tic build used for native ncurses build, itself needed for native gdb build.

/trunk/scripts/build/debug/300-gdb.sh | 24 12 12 0 ++++++++++++------------
/trunk/scripts/build/internals.sh | 1 0 1 0 -
2 files changed, 12 insertions(+), 13 deletions(-)
yann@607
     1
Original patch from H.J. Lu, as reported there:
yann@607
     2
http://www.nabble.com/PATCH:-Use-short-for-fnstsw-td14775171.html
yann@607
     3
yann@607
     4
fnstsw stores 16bit into %ax. The upper 16bit of %eax is unchanged.
yann@607
     5
The new assembler (binutils-2.18.50.0.4 and up) will disallow "fnstsw %eax".
yann@607
     6
yann@607
     7
diff -dur glibc-2.6.1.orig/sysdeps/i386/fpu/ftestexcept.c glibc-2.6.1/sysdeps/i386/fpu/ftestexcept.c
yann@607
     8
--- glibc-2.6.1.orig/sysdeps/i386/fpu/ftestexcept.c	2004-03-05 11:14:48.000000000 +0100
yann@607
     9
+++ glibc-2.6.1/sysdeps/i386/fpu/ftestexcept.c	2008-06-24 10:56:14.000000000 +0200
yann@607
    10
@@ -26,7 +26,7 @@
yann@607
    11
 int
yann@607
    12
 fetestexcept (int excepts)
yann@607
    13
 {
yann@607
    14
-  int temp;
yann@607
    15
+  short temp;
yann@607
    16
   int xtemp = 0;
yann@607
    17
 
yann@607
    18
   /* Get current exceptions.  */