[PATCH 2/2] S/390: Implement "target" attribute.

[PATCH 2/2] S/390: Implement "target" attribute.

gcc/ChangeLog

	* config/s390/s390.c (s390_asm_file_start): Implement hook function to
	emit .machine and .machinemode to the top of the assembler file.
	(TARGET_ASM_FILE_START): Provide target hook.
	(s390_asm_output_machine_for_arch): Protect with
	HAVE_AS_MACHINE_MACHINEMODE instead of S390_USE_TARGET_ATTRIBUTE.

gcc/testsuite/ChangeLog

	* gcc.target/s390/asm-machine-1.c: Updated.
	* gcc.target/s390/asm-machine-2.c: Updated.
	* gcc.target/s390/asm-machine-3.c: Updated.
	* gcc.target/s390/asm-machine-4.c: Updated.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@231272 138bc75d-0d04-0410-961f-82ee72b054a4