patches/glibc/2.7/170-use_short_for_fnstsw.patch
author Arnaud Lacombe <lacombar@gmail.com>
Thu Aug 05 17:59:49 2010 +0200 (2010-08-05)
changeset 2067 477c7955e6b0
parent 612 fc9588d57c0f
permissions -rw-r--r--
complibs/ppl: fix PPL build with GMP 5.x.x

From http://www.cs.unipr.it/git/gitweb.cgi?p=ppl/ppl.git;a=commitdiff;h=9c19bc2b318a35016e0189f9552c98910be37f53

Author: Roberto Bagnara <bagnara@cs.unipr.it>
Revision log: Added support for GMP 5.0.

Adapted manually to match and not having to re-generate the configure script.

Signed-off-by: Arnaud Lacombe <lacombar@gmail.com>
     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-2.7.orig/sysdeps/i386/fpu/ftestexcept.c glibc-2.7/sysdeps/i386/fpu/ftestexcept.c
     8 --- glibc-2.7.orig/sysdeps/i386/fpu/ftestexcept.c	2004-03-05 11:14:48.000000000 +0100
     9 +++ glibc-2.7/sysdeps/i386/fpu/ftestexcept.c	2008-06-24 10:54:43.000000000 +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.  */