patches/glibc/2.5/160-use_short_for_fnstsw.patch
author "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
Thu Nov 13 18:22:23 2008 +0000 (2008-11-13)
changeset 1041 2573519c00d6
parent 607 aaf7ae5cb11a
permissions -rw-r--r--
Merge #1195, #1196 and #1203 from /devel/YEM-build_host_target_cleanup:
- Get rid of CT_CC_NATIVE
- Get rid of CT_CANADIAN_OPT
- Sanitise CT_BUILD vs. CT_HOST

/trunk/scripts/build/tools/200-sstrip.sh | 4 2 2 0
/trunk/scripts/build/binutils.sh | 1 0 1 0 -
/trunk/scripts/build/cc/gcc.sh | 11 6 5 0 +-
/trunk/scripts/build/debug/200-duma.sh | 3 1 2 0 -
/trunk/scripts/build/libc/glibc.sh | 10 5 5 0 +-
/trunk/scripts/build/libc/eglibc.sh | 8 4 4 0 +-
/trunk/scripts/crosstool.sh | 168 113 55 0 ++++++++++++++++++++++++++------------
/trunk/config/toolchain.in | 160 137 23 0 +++++++++++++++++++++++++++++++-----
8 files changed, 268 insertions(+), 97 deletions(-)
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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.  */