patches/glibc/2.6.1/160-use_short_for_fnstsw.patch
author Johannes Stezenbach <js@sig21.net>
Mon Oct 22 03:32:28 2012 +0000 (2012-10-22)
changeset 3087 17cdb10b1675
parent 607 aaf7ae5cb11a
permissions -rw-r--r--
fix eglibc-2.16 manual build

Signed-off-by: Johannes Stezenbach <js@sig21.net>
Message-Id: <20121022133228.GA16536@sig21.net>
Patchwork-Id: 193156
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Original patch from H.J. Lu, as reported there:
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http://www.nabble.com/PATCH:-Use-short-for-fnstsw-td14775171.html
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fnstsw stores 16bit into %ax. The upper 16bit of %eax is unchanged.
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The new assembler (binutils-2.18.50.0.4 and up) will disallow "fnstsw %eax".
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diff -dur glibc-2.6.1.orig/sysdeps/i386/fpu/ftestexcept.c glibc-2.6.1/sysdeps/i386/fpu/ftestexcept.c
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--- glibc-2.6.1.orig/sysdeps/i386/fpu/ftestexcept.c	2004-03-05 11:14:48.000000000 +0100
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+++ glibc-2.6.1/sysdeps/i386/fpu/ftestexcept.c	2008-06-24 10:56:14.000000000 +0200
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@@ -26,7 +26,7 @@
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 int
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 fetestexcept (int excepts)
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 {
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-  int temp;
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+  short temp;
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   int xtemp = 0;
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   /* Get current exceptions.  */