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gcc/libgcc
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Marcin Kościelnicki 4cb4721f93 S/390: Add -fsplit-stack support 
libgcc/ChangeLog:

	* config.host: Use t-stack and t-stack-s390 for s390*-*-linux.
	* config/s390/morestack.S: New file.
	* config/s390/t-stack-s390: New file.
	* generic-morestack.c (__splitstack_find): Add s390-specific code.

gcc/ChangeLog:

	* common/config/s390/s390-common.c (s390_supports_split_stack):
	New function.
	(TARGET_SUPPORTS_SPLIT_STACK): New macro.
	* config/s390/s390-protos.h: Add s390_expand_split_stack_prologue.
	* config/s390/s390.c (struct machine_function): New field
	split_stack_varargs_pointer.
	(s390_register_info): Mark r12 as clobbered if it'll be used as temp
	in s390_emit_prologue.
	(s390_emit_prologue): Use r12 as temp if r1 is taken by split-stack
	vararg pointer.
	(morestack_ref): New global.
	(SPLIT_STACK_AVAILABLE): New macro.
	(s390_expand_split_stack_prologue): New function.
	(s390_live_on_entry): New function.
	(s390_va_start): Use split-stack vararg pointer if appropriate.
	(s390_asm_file_end): Emit the split-stack note sections.
	(TARGET_EXTRA_LIVE_ON_ENTRY): New macro.
	* config/s390/s390.md (UNSPEC_STACK_CHECK): New unspec.
	(UNSPECV_SPLIT_STACK_CALL): New unspec.
	(UNSPECV_SPLIT_STACK_DATA): New unspec.
	(split_stack_prologue): New expand.
	(split_stack_space_check): New expand.
	(split_stack_data): New insn.
	(split_stack_call): New expand.
	(split_stack_call_*): New insn.
	(split_stack_cond_call): New expand.
	(split_stack_cond_call_*): New insn.

From-SVN: r233421
2016-02-15 10:20:18 +00:00
..
config S/390: Add -fsplit-stack support 2016-02-15 10:20:18 +00:00
soft-fp Update soft-fp from glibc. 2015-09-28 22:50:22 +01:00
ChangeLog S/390: Add -fsplit-stack support 2016-02-15 10:20:18 +00:00
config.host S/390: Add -fsplit-stack support 2016-02-15 10:20:18 +00:00
config.in Support PIE on Solaris 2015-09-24 09:00:22 +00:00
configure float128-sed: New files to convert TF names to KF names for PowerPC IEEE 128-bit floating... 2016-01-21 17:52:33 +00:00
configure.ac float128-sed: New files to convert TF names to KF names for PowerPC IEEE 128-bit floating... 2016-01-21 17:52:33 +00:00
crtstuff.c Update copyright years. 2016-01-04 15:30:50 +01:00
dfp-bit.c Update copyright years. 2016-01-04 15:30:50 +01:00
dfp-bit.h Update copyright years. 2016-01-04 15:30:50 +01:00
divmod.c Update copyright years. 2016-01-04 15:30:50 +01:00
empty.mk
emutls.c Update copyright years. 2016-01-04 15:30:50 +01:00
enable-execute-stack-empty.c
enable-execute-stack-mprotect.c Update copyright years. 2016-01-04 15:30:50 +01:00
find-symver.awk Update copyright years. 2016-01-04 15:30:50 +01:00
fixed-bit.c Update copyright years. 2016-01-04 15:30:50 +01:00
fixed-bit.h Update copyright years. 2016-01-04 15:30:50 +01:00
fixed-obj.mk
floatunsidf.c
floatunsisf.c
floatunsitf.c
floatunsixf.c
fp-bit.c Update copyright years. 2016-01-04 15:30:50 +01:00
fp-bit.h Update copyright years. 2016-01-04 15:30:50 +01:00
gbl-ctors.h Update copyright years. 2016-01-04 15:30:50 +01:00
gen-fixed.sh
generic-morestack-thread.c Update copyright years. 2016-01-04 15:30:50 +01:00
generic-morestack.c S/390: Add -fsplit-stack support 2016-02-15 10:20:18 +00:00
generic-morestack.h Update copyright years. 2016-01-04 15:30:50 +01:00
gstdint.h
gthr-posix.h Update copyright years. 2016-01-04 15:30:50 +01:00
gthr-single.h Update copyright years. 2016-01-04 15:30:50 +01:00
gthr.h Update copyright years. 2016-01-04 15:30:50 +01:00
libgcc2.c Update copyright years. 2016-01-04 15:30:50 +01:00
libgcc2.h Update copyright years. 2016-01-04 15:30:50 +01:00
libgcc-std.ver.in Update copyright years. 2016-01-04 15:30:50 +01:00
libgcov-driver-system.c Update copyright years. 2016-01-04 15:30:50 +01:00
libgcov-driver.c Update copyright years. 2016-01-04 15:30:50 +01:00
libgcov-interface.c Update copyright years. 2016-01-04 15:30:50 +01:00
libgcov-merge.c Update copyright years. 2016-01-04 15:30:50 +01:00
libgcov-profiler.c Update copyright years. 2016-01-04 15:30:50 +01:00
libgcov-util.c Update copyright years. 2016-01-04 15:30:50 +01:00
libgcov.h Update copyright years. 2016-01-04 15:30:50 +01:00
Makefile.in Update copyright years. 2016-01-04 15:30:50 +01:00
memcmp.c
memcpy.c
memmove.c
memset.c
mkheader.sh Update copyright years. 2016-01-04 15:30:50 +01:00
mkmap-flat.awk Update copyright years. 2016-01-04 15:30:50 +01:00
mkmap-symver.awk Update copyright years. 2016-01-04 15:30:50 +01:00
offloadstuff.c Update copyright years. 2016-01-04 15:30:50 +01:00
shared-object.mk
siditi-object.mk
static-object.mk
sync.c Update copyright years. 2016-01-04 15:30:50 +01:00
udivmod.c Update copyright years. 2016-01-04 15:30:50 +01:00
udivmodsi4.c Update copyright years. 2016-01-04 15:30:50 +01:00
unwind-arm-common.inc Update copyright years. 2016-01-04 15:30:50 +01:00
unwind-c.c Update copyright years. 2016-01-04 15:30:50 +01:00
unwind-compat.c Update copyright years. 2016-01-04 15:30:50 +01:00
unwind-compat.h Update copyright years. 2016-01-04 15:30:50 +01:00
unwind-dw2-fde-compat.c Update copyright years. 2016-01-04 15:30:50 +01:00
unwind-dw2-fde-dip.c Update copyright years. 2016-01-04 15:30:50 +01:00
unwind-dw2-fde.c Update copyright years. 2016-01-04 15:30:50 +01:00
unwind-dw2-fde.h Update copyright years. 2016-01-04 15:30:50 +01:00
unwind-dw2.c Update copyright years. 2016-01-04 15:30:50 +01:00
unwind-dw2.h Update copyright years. 2016-01-04 15:30:50 +01:00
unwind-generic.h Update copyright years. 2016-01-04 15:30:50 +01:00
unwind-pe.h Update copyright years. 2016-01-04 15:30:50 +01:00
unwind-seh.c Update copyright years. 2016-01-04 15:30:50 +01:00
unwind-sjlj.c Update copyright years. 2016-01-04 15:30:50 +01:00
unwind.inc Update copyright years. 2016-01-04 15:30:50 +01:00
vtv_end_preinit.c Update copyright years. 2016-01-04 15:30:50 +01:00
vtv_end.c Update copyright years. 2016-01-04 15:30:50 +01:00
vtv_start_preinit.c Update copyright years. 2016-01-04 15:30:50 +01:00
vtv_start.c Update copyright years. 2016-01-04 15:30:50 +01:00