* config/i386/i386-protos.h (ix86_split_stack_boundary): New prototype.
* config/i386/i386.c (ix86_split_stack_boundary): New function.
(ix86_xpand_split_stack_prologue): Call ix86_split_stack_boundary.
(ix86_legitimate_address_p) <case UNSPEC_STACK_CHECK>: Remove.
(i386_asm_output_addr_const_extra) <case UNSPEC_STACK_CHECK>: Ditto.
(optput_pic_addr_const): Remove UNSPEC_STACK_CHECK handling.
* config/i386/i386.md (unspec): Remove UNSPEC_STACK_CHECK.
(split_stack_space_check): Call ix86_split_stack_boundary.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@251031 138bc75d-0d04-0410-961f-82ee72b054a4