0f0fd74525
gcc/ * common/config/rs6000/rs6000-common.c (TARGET_SUPPORTS_SPLIT_STACK): Define. (rs6000_supports_split_stack): New function. * gcc/config/rs6000/rs6000.c (machine_function): Add split_stack_arg_pointer. (TARGET_EXTRA_LIVE_ON_ENTRY, TARGET_INTERNAL_ARG_POINTER): Define. (setup_incoming_varargs): Use crtl->args.internal_arg_pointer rather than virtual_incoming_args_rtx. (rs6000_va_start): Likewise. (split_stack_arg_pointer_used_p): New function. (rs6000_emit_prologue): Set up arg pointer for -fsplit-stack. (morestack_ref): New var. (gen_add3_const, rs6000_expand_split_stack_prologue, rs6000_internal_arg_pointer, rs6000_live_on_entry, rs6000_split_stack_space_check): New functions. (rs6000_elf_file_end): Call file_end_indicate_split_stack. * gcc/config/rs6000/rs6000.md (UNSPEC_STACK_CHECK): Define. (UNSPECV_SPLIT_STACK_RETURN): Define. (split_stack_prologue, load_split_stack_limit, load_split_stack_limit_di, load_split_stack_limit_si, split_stack_return, split_stack_space_check): New expands and insns. * gcc/config/rs6000/rs6000-protos.h (rs6000_expand_split_stack_prologue): Declare. (rs6000_split_stack_space_check): Declare. libgcc/ * config/rs6000/morestack.S: New. * config/rs6000/t-stack-rs6000: New. * config.host (powerpc*-*-linux*): Add t-stack and t-stack-rs6000 to tmake_file. * generic-morestack.c: Don't build for powerpc 32-bit. From-SVN: r223426 |
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.. | ||
config | ||
soft-fp | ||
ChangeLog | ||
config.host | ||
config.in | ||
configure | ||
configure.ac | ||
crtstuff.c | ||
dfp-bit.c | ||
dfp-bit.h | ||
divmod.c | ||
empty.mk | ||
emutls.c | ||
enable-execute-stack-empty.c | ||
enable-execute-stack-mprotect.c | ||
find-symver.awk | ||
fixed-bit.c | ||
fixed-bit.h | ||
fixed-obj.mk | ||
floatunsidf.c | ||
floatunsisf.c | ||
floatunsitf.c | ||
floatunsixf.c | ||
fp-bit.c | ||
fp-bit.h | ||
gbl-ctors.h | ||
gen-fixed.sh | ||
generic-morestack-thread.c | ||
generic-morestack.c | ||
generic-morestack.h | ||
gstdint.h | ||
gthr-posix.h | ||
gthr-single.h | ||
gthr.h | ||
libgcc2.c | ||
libgcc2.h | ||
libgcc-std.ver.in | ||
libgcov-driver-system.c | ||
libgcov-driver.c | ||
libgcov-interface.c | ||
libgcov-merge.c | ||
libgcov-profiler.c | ||
libgcov-util.c | ||
libgcov.h | ||
Makefile.in | ||
memcmp.c | ||
memcpy.c | ||
memmove.c | ||
memset.c | ||
mkheader.sh | ||
mkmap-flat.awk | ||
mkmap-symver.awk | ||
offloadstuff.c | ||
shared-object.mk | ||
siditi-object.mk | ||
static-object.mk | ||
sync.c | ||
udivmod.c | ||
udivmodsi4.c | ||
unwind-arm-common.inc | ||
unwind-c.c | ||
unwind-compat.c | ||
unwind-compat.h | ||
unwind-dw2-fde-compat.c | ||
unwind-dw2-fde-dip.c | ||
unwind-dw2-fde.c | ||
unwind-dw2-fde.h | ||
unwind-dw2.c | ||
unwind-dw2.h | ||
unwind-generic.h | ||
unwind-pe.h | ||
unwind-seh.c | ||
unwind-sjlj.c | ||
unwind.inc | ||
vtv_end_preinit.c | ||
vtv_end.c | ||
vtv_start_preinit.c | ||
vtv_start.c |