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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
..
ssp Update copyright years. 2018-01-03 11:03:58 +01:00
ChangeLog CET shouldn't be enabled in 32-bit run-time libraries by defualt 2018-02-19 17:25:49 +01:00
Makefile.am Update copyright years. 2018-01-03 11:03:58 +01:00
Makefile.in Enable building libssp with Intel CET 2017-11-17 23:32:46 +01:00
aclocal.m4 Enable building libssp with Intel CET 2017-11-17 23:32:46 +01:00
config.h.in
…
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 libssp with Intel CET 2017-11-17 23:32:46 +01:00
gets-chk.c Update copyright years. 2018-01-03 11:03:58 +01:00
libtool-version
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memcpy-chk.c Update copyright years. 2018-01-03 11:03:58 +01:00
memmove-chk.c Update copyright years. 2018-01-03 11:03:58 +01:00
mempcpy-chk.c Update copyright years. 2018-01-03 11:03:58 +01:00
memset-chk.c Update copyright years. 2018-01-03 11:03:58 +01:00
snprintf-chk.c Update copyright years. 2018-01-03 11:03:58 +01:00
sprintf-chk.c Update copyright years. 2018-01-03 11:03:58 +01:00
ssp-local.c Update copyright years. 2018-01-03 11:03:58 +01:00
ssp.c Update copyright years. 2018-01-03 11:03:58 +01:00
ssp.map
…
stpcpy-chk.c Update copyright years. 2018-01-03 11:03:58 +01:00
strcat-chk.c Update copyright years. 2018-01-03 11:03:58 +01:00
strcpy-chk.c Update copyright years. 2018-01-03 11:03:58 +01:00
strncat-chk.c Update copyright years. 2018-01-03 11:03:58 +01:00
strncpy-chk.c Update copyright years. 2018-01-03 11:03:58 +01:00
vsnprintf-chk.c Update copyright years. 2018-01-03 11:03:58 +01:00
vsprintf-chk.c Update copyright years. 2018-01-03 11:03:58 +01:00