patches/glibc/2.7/170-use_short_for_fnstsw.patch
author Zhenqiang Chen <zhenqiang.chen@linaro.org>
Fri Nov 18 15:29:18 2011 +0800 (2011-11-18)
changeset 2778 986e1c75432a
parent 612 fc9588d57c0f
permissions -rw-r--r--
config/toolchain: Add "Enable nls" in "Toolchain options".

Reviewed-by: Michael Hope
Signed-off-by: Zhenqiang Chen <zhenqiang.chen@linaro.org>
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-2.7.orig/sysdeps/i386/fpu/ftestexcept.c glibc-2.7/sysdeps/i386/fpu/ftestexcept.c
yann@607
     8
--- glibc-2.7.orig/sysdeps/i386/fpu/ftestexcept.c	2004-03-05 11:14:48.000000000 +0100
yann@607
     9
+++ glibc-2.7/sysdeps/i386/fpu/ftestexcept.c	2008-06-24 10:54:43.000000000 +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.  */