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Date: Mon, 08 Oct 2012 12:12:37 +0200
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To: GCC Patches
Subject: [wwwdocs, avr]: Deprecate/remove -mshort-calls,
--with-avrlibc is default
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Applied the following changes to 4.7/4.8 release notes caveats.
Index: htdocs/gcc-4.8/changes.html
===================================================================
RCS file: /cvs/gcc/wwwdocs/htdocs/gcc-4.8/changes.html,v
retrieving revision 1.39
retrieving revision 1.40
diff -u -p -r1.39 -r1.40
--- htdocs/gcc-4.8/changes.html 6 Oct 2012 22:20:07 -0000 1.39
+++ htdocs/gcc-4.8/changes.html 8 Oct 2012 10:07:33 -0000 1.40
@@ -38,6 +38,18 @@ explicit use of vector types may be inco
built with older versions of GCC. Auto-vectorized code is not affected
by this change.
+On AVR, support has been removed for the command line
+ option -mshort-calls
deprecated in GCC 4.7.
+
+On AVR, the configure option --with-avrlibc
supported since
+ GCC 4.7.2 is turned on per default for all non-RTEMS configurations.
+ This option arranges for a better integration of
+ AVR Libc with avr-gcc.
+ For technical details, see PR54461.
+ To turn off the option in non-RTEMS configurations, use
+ --with-avrlibc=no
. If the compiler is configured for
+ RTEMS, the option is always turned off.
+
General Optimizer Improvements (and Changes)