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Igor Tsimbalist 14e335edc8 CET shouldn't be enabled in 32-bit run-time libraries by defualt 
ENDBR32 and RDSSPD are multi-byte NOPs on x86-64 processors and
newer x86 processors, starting Pentium Pro.  They are UD on older
32-bit processors. Detect this at configure time and adjust the
default value for enable_cet. GCC will enable CET in 32-bit run-time
libraries in any case if --enable-cet is used to configure GCC.

	PR target/84148
	* config/cet.m4: Check if target support multi-byte NOPS (SSE).
	* libatomic/configure: Regenerate.
	* libbacktrace/configure: Likewise.
	* libgcc/configure: Likewise.
	* libgfortran/configure: Likewise.
	* libgomp/configure: Likewise.
	* libitm/configure: Likewise.
	* libmpx/configure: Likewise.
	* libobjc/configure: Likewise.
	* libquadmath/configure: Likewise.
	* libsanitizer/configure: Likewise.
	* libssp/configure: Likewise.
	* libstdc++-v3/configure: Likewise.
	* libvtv/configure: Likewise.

From-SVN: r257809
 		2018-02-19 17:25:49 +01:00
..
math re PR libquadmath/81848 (Add PowerPC support to libquadmath) 2017-09-01 22:10:57 +00:00
printf [libquadmath] Remove semicolon after do {} while (0) in MPN_MUL_N_RECURSE 2017-11-05 09:57:30 +00:00
strtod re PR libquadmath/56379 (libquadmath: Wrong result for strtoflt128.c if compiled with -O0) 2013-02-19 22:50:10 +01:00
COPYING.LIB
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ChangeLog CET shouldn't be enabled in 32-bit run-time libraries by defualt 2018-02-19 17:25:49 +01:00
Makefile.am Enable building libquadmath with Intel CET 2017-11-17 23:36:50 +01:00
Makefile.in Enable building libquadmath with Intel CET 2017-11-17 23:36:50 +01:00
acinclude.m4 Enable building libquadmath with Intel CET 2017-11-17 23:36:50 +01:00
aclocal.m4 libquadmath: Bump to automake 1.11.6 2015-05-13 11:27:43 +00:00
config.h.in re PR libquadmath/55225 (Fail to build lgammaq.c from trunk with mingw-w64) 2012-11-21 14:46:34 +01:00
configure CET shouldn't be enabled in 32-bit run-time libraries by defualt 2018-02-19 17:25:49 +01:00
configure.ac Enable building libquadmath with Intel CET 2017-11-17 23:36:50 +01:00
libquadmath.texi gcc.c (process_command): Update copyright notice dates. 2018-01-03 10:17:54 +01:00
libtool-version
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quadmath-imp.h re PR libquadmath/65757 (gfortran gives incorrect result for anint with real*16 argument) 2017-07-19 15:12:58 +02:00
quadmath-rounding-mode.h Revert libquadmath and libssp copyright patches. 2013-02-06 22:03:54 +00:00
quadmath.h re PR libquadmath/81848 (Add PowerPC support to libquadmath) 2017-09-01 22:10:57 +00:00
quadmath.map Makefile.am (libquadmath_la_SOURCES): Add math/logbq.c. 2015-08-09 08:46:52 +00:00
quadmath_weak.h Makefile.am (libquadmath_la_SOURCES): Add math/logbq.c. 2015-08-09 08:46:52 +00:00