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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
..
config Additional fix for PR 84239. 2018-02-16 11:19:14 +01:00
soft-fp
ChangeLog CET shouldn't be enabled in 32-bit run-time libraries by defualt 2018-02-19 17:25:49 +01:00
config.host RTEMS/EPIPHANY: Add RTEMS support 2018-01-05 06:17:22 +00:00
config.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
crtstuff.c Update copyright years. 2018-01-03 11:03:58 +01:00
dfp-bit.c Update copyright years. 2018-01-03 11:03:58 +01:00
dfp-bit.h Update copyright years. 2018-01-03 11:03:58 +01:00
divmod.c Update copyright years. 2018-01-03 11:03:58 +01:00
empty.mk
emutls.c Update copyright years. 2018-01-03 11:03:58 +01:00
enable-execute-stack-empty.c
enable-execute-stack-mprotect.c Update copyright years. 2018-01-03 11:03:58 +01:00
find-symver.awk Update copyright years. 2018-01-03 11:03:58 +01:00
fixed-bit.c Update copyright years. 2018-01-03 11:03:58 +01:00
fixed-bit.h Update copyright years. 2018-01-03 11:03:58 +01:00
fixed-obj.mk
floatunsidf.c
floatunsisf.c
floatunsitf.c
floatunsixf.c
fp-bit.c Update copyright years. 2018-01-03 11:03:58 +01:00
fp-bit.h Update copyright years. 2018-01-03 11:03:58 +01:00
gbl-ctors.h Update copyright years. 2018-01-03 11:03:58 +01:00
gcov.h Update copyright years. 2018-01-03 11:03:58 +01:00
gen-fixed.sh
generic-morestack-thread.c Update copyright years. 2018-01-03 11:03:58 +01:00
generic-morestack.c Update copyright years. 2018-01-03 11:03:58 +01:00
generic-morestack.h Update copyright years. 2018-01-03 11:03:58 +01:00
gstdint.h
gthr-posix.h Update copyright years. 2018-01-03 11:03:58 +01:00
gthr-single.h Update copyright years. 2018-01-03 11:03:58 +01:00
gthr.h Update copyright years. 2018-01-03 11:03:58 +01:00
libgcc2.c Update copyright years. 2018-01-03 11:03:58 +01:00
libgcc2.h Update copyright years. 2018-01-03 11:03:58 +01:00
libgcc-std.ver.in Update copyright years. 2018-01-03 11:03:58 +01:00
libgcov-driver-system.c Update copyright years. 2018-01-03 11:03:58 +01:00
libgcov-driver.c Update copyright years. 2018-01-03 11:03:58 +01:00
libgcov-interface.c Update copyright years. 2018-01-03 11:03:58 +01:00
libgcov-merge.c Update copyright years. 2018-01-03 11:03:58 +01:00
libgcov-profiler.c Update copyright years. 2018-01-03 11:03:58 +01:00
libgcov-util.c Update copyright years. 2018-01-03 11:03:58 +01:00
libgcov.h Update copyright years. 2018-01-03 11:03:58 +01:00
Makefile.in Update copyright years. 2018-01-03 11:03:58 +01:00
memcmp.c
memcpy.c
memmove.c
memset.c
mkheader.sh Update copyright years. 2018-01-03 11:03:58 +01:00
mkmap-flat.awk Update copyright years. 2018-01-03 11:03:58 +01:00
mkmap-symver.awk Update copyright years. 2018-01-03 11:03:58 +01:00
offloadstuff.c Update copyright years. 2018-01-03 11:03:58 +01:00
shared-object.mk
siditi-object.mk
static-object.mk
sync.c Update copyright years. 2018-01-03 11:03:58 +01:00
udivmod.c Update copyright years. 2018-01-03 11:03:58 +01:00
udivmodsi4.c Update copyright years. 2018-01-03 11:03:58 +01:00
unwind-arm-common.inc Update copyright years. 2018-01-03 11:03:58 +01:00
unwind-c.c Update copyright years. 2018-01-03 11:03:58 +01:00
unwind-compat.c Update copyright years. 2018-01-03 11:03:58 +01:00
unwind-compat.h Update copyright years. 2018-01-03 11:03:58 +01:00
unwind-dw2-fde-compat.c Update copyright years. 2018-01-03 11:03:58 +01:00
unwind-dw2-fde-dip.c Update copyright years. 2018-01-03 11:03:58 +01:00
unwind-dw2-fde.c Update copyright years. 2018-01-03 11:03:58 +01:00
unwind-dw2-fde.h Update copyright years. 2018-01-03 11:03:58 +01:00
unwind-dw2.c SVE unwinding 2018-01-13 17:56:52 +00:00
unwind-dw2.h Update copyright years. 2018-01-03 11:03:58 +01:00
unwind-generic.h Update copyright years. 2018-01-03 11:03:58 +01:00
unwind-pe.h Update copyright years. 2018-01-03 11:03:58 +01:00
unwind-seh.c Update copyright years. 2018-01-03 11:03:58 +01:00
unwind-sjlj.c Update copyright years. 2018-01-03 11:03:58 +01:00
unwind.inc Update copyright years. 2018-01-03 11:03:58 +01:00
vtv_end_preinit.c Update copyright years. 2018-01-03 11:03:58 +01:00
vtv_end.c Update copyright years. 2018-01-03 11:03:58 +01:00
vtv_start_preinit.c Update copyright years. 2018-01-03 11:03:58 +01:00
vtv_start.c Update copyright years. 2018-01-03 11:03:58 +01:00