patches/glibc/2.6/160-use_short_for_fnstsw.patch
author |
"Yann E. MORIN" <yann.morin.1998@anciens.enib.fr> |
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Wed Oct 01 18:10:40 2008 +0000 (2008-10-01) |
changeset 894 |
c444ce4b51b9 |
parent 607 |
aaf7ae5cb11a
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permissions |
-rw-r--r-- |
Save the toolchain configuration to its own file, as an auto-extracting shell script:
- get rid of the 'extractconfig' action, it was cumbersome to use, and badly documented,
- introduce a skeleton for the config script,
- update auto-completion,
- document the config script.
/trunk/kconfig/kconfig.mk | 9 2 7 0 ++-------
/trunk/scripts/crosstool.sh | 6 5 1 0 +++++-
/trunk/docs/overview.txt | 21 9 12 0 +++++++++------------
/trunk/tools/toolchain-config.in | 8 8 0 0 ++++++++
/trunk/ct-ng.comp | 2 1 1 0 +-
5 files changed, 25 insertions(+), 21 deletions(-)
yann@607
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Original patch from H.J. Lu, as reported there:
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yann@607
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http://www.nabble.com/PATCH:-Use-short-for-fnstsw-td14775171.html
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yann@607
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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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yann@607
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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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yann@607
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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. */
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