re PR target/84277 (A lot of new acats testsuite failures)

re PR target/84277 (A lot of new acats testsuite failures)

	PR target/84277
	* except.h (output_function_exception_table): Adjust prototype.
	* except.c (output_function_exception_table): Remove FNNAME parameter
	and add SECTION parameter.  Ouput one part of the table at a time.
	* final.c (final_scan_insn_1) <NOTE_INSN_SWITCH_TEXT_SECTIONS>: Output
	the first part of the exception table and emit unwind directives.
	* config/i386/i386-protos.h (i386_pe_end_cold_function): Declare.
	(i386_pe_seh_cold_init): Likewise.
	* config/i386/cygming.h (ASM_DECLARE_COLD_FUNCTION_NAME): New macro.
	(ASM_DECLARE_COLD_FUNCTION_SIZE): Likewise.
	* config/i386/i386.c (x86_expand_epilogue): Fix wording in comment.
	(ix86_output_call_insn): Emit a nop in one more case for SEH.
	* config/i386/winnt.c: Include except.h.
	(struct seh_frame_state): Add reg_offset, after_prologue and
	in_cold_section fields.
	(i386_pe_seh_end_prologue): Set seh->after_prologue.
	(i386_pe_seh_cold_init): New function.
	(i386_pe_seh_fini): Add COLD parameter and bail out if it is not equal
	to seh->in_cold_section.
	(seh_emit_push): Record the offset of the push.
	(seh_emit_save): Record the offet of the save.
	(i386_pe_seh_unwind_emit): Deal with NOTE_INSN_SWITCH_TEXT_SECTIONS.
	Test seh->after_prologue to disregard the epilogue.
	(i386_pe_end_function): Pass FALSE to i386_pe_seh_fini.
	(i386_pe_end_cold_function): New function.

From-SVN: r258338