re PR target/81616 (Update -mtune=generic for the current Intel and AMD processors)

re PR target/81616 (Update -mtune=generic for the current Intel and AMD processors)

	PR target/81616
	* x86-tune.def: Remove obsolette FIXMEs.
	(X86_TUNE_PARTIAL_FLAG_REG_STALL): Disable for generic
	(X86_TUNE_FUSE_CMP_AND_BRANCH_32, X86_TUNE_FUSE_CMP_AND_BRANCH_64,
	X86_TUNE_FUSE_CMP_AND_BRANCH_SOFLAGS, X86_TUNE_FUSE_ALU_AND_BRANCH):
	Enable for generic.
	(X86_TUNE_PAD_RETURNS): Disable for generic.
	* gcc.target/i386/pad-1.c: Compile for amdfam10.
	* gcc.target/i386/align-limit.c: Likewise.

From-SVN: r255357