(alpha_tp, alpha_fprm, alpha_fptm): New variables.

(alpha_tp_string, alpha_fprm_string, alpha_fptm_string
(trap_pending): Likewise.
(override_options, summarize_insn, final_prescan_insn): New functions.
(print_operand): Handle cases '&', '\'', ')', and '+'.
(output_prolog): Emit ".eflag 48" if TARGET_IEEE_CONFORMANT.
(output_epilog): Call final_prescan_insn before emitting epilog.

From-SVN: r11550