+ * target.def (secondary_memory_needed): New hook.
+ (secondary_reload): Refer to TARGET_SECONDARY_MEMORY_NEEDED
+ instead of SECONDARY_MEMORY_NEEDED.
+ (secondary_memory_needed_mode): Likewise.
+ * hooks.h (hook_bool_mode_reg_class_t_reg_class_t_false): Declare.
+ * hooks.c (hook_bool_mode_reg_class_t_reg_class_t_false): New function.
+ * doc/tm.texi.in (SECONDARY_MEMORY_NEEDED): Replace with...
+ (TARGET_SECONDARY_MEMORY_NEEDED): ...this.
+ (SECONDARY_MEMORY_NEEDED_RTX): Update reference accordingly.
+ * doc/tm.texi: Regenerate.
+ * config/alpha/alpha.h (SECONDARY_MEMORY_NEEDED): Delete.
+ * config/alpha/alpha.c (alpha_secondary_memory_needed): New function.
+ (TARGET_SECONDARY_MEMORY_NEEDED): Redefine.
+ * config/i386/i386.h (SECONDARY_MEMORY_NEEDED): Delete.
+ * config/i386/i386-protos.h (ix86_secondary_memory_needed): Delete.
+ * config/i386/i386.c (inline_secondary_memory_needed): Put the
+ mode argument first and change the reg_class arguments to reg_class_t.
+ (ix86_secondary_memory_needed): Likewise. Remove the strict parameter.
+ Make static. Update the call to inline_secondary_memory_needed.
+ (ix86_register_move_cost): Update the call to
+ inline_secondary_memory_needed.
+ (TARGET_SECONDARY_MEMORY_NEEDED): Redefine.
+ * config/ia64/ia64.h (SECONDARY_MEMORY_NEEDED): Delete commented-out
+ definition.
+ * config/ia64/ia64.c (spill_xfmode_rfmode_operand): Refer to
+ TARGET_SECONDARY_MEMORY_NEEDED rather than SECONDARY_MEMORY_NEEDED
+ in comment.
+ * config/mips/mips.h (SECONDARY_MEMORY_NEEDED): Delete.
+ * config/mips/mips-protos.h (mips_secondary_memory_needed): Delete.
+ * config/mips/mips.c (mips_secondary_memory_needed): Make static
+ and match hook interface. Add comment from mips.h.
+ (TARGET_SECONDARY_MEMORY_NEEDED): Redefine.
+ * config/mmix/mmix.md (truncdfsf2): Refer to
+ TARGET_SECONDARY_MEMORY_NEEDED rather than SECONDARY_MEMORY_NEEDED
+ in comment.
+ * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED): Rename to...
+ (PA_SECONDARY_MEMORY_NEEDED): ...this, and put the mode argument first.
+ * config/pa/pa.c (TARGET_SECONDARY_MEMORY_NEEDED): Redefine.
+ (pa_secondary_memory_needed): New function.
+ * config/pdp11/pdp11.h (SECONDARY_MEMORY_NEEDED): Delete.
+ * config/pdp11/pdp11-protos.h (pdp11_secondary_memory_needed): Delete.
+ * config/pdp11/pdp11.c (TARGET_SECONDARY_MEMORY_NEEDED): Redefine.
+ (pdp11_secondary_memory_needed): Make static and match hook interface.
+ * config/powerpcspe/powerpcspe.h (SECONDARY_MEMORY_NEEDED): Delete.
+ * config/powerpcspe/powerpcspe-protos.h
+ (rs6000_secondary_memory_needed_ptr): Delete.
+ * config/powerpcspe/powerpcspe.c (rs6000_secondary_memory_needed_ptr):
+ Delete.
+ (TARGET_SECONDARY_MEMORY_NEEDED): Redefine.
+ (rs6000_option_override_internal): Assign to
+ targetm.secondary_memory_needed rather than
+ rs6000_secondary_memory_needed_ptr.
+ (rs6000_secondary_memory_needed): Match hook interface.
+ (rs6000_debug_secondary_memory_needed): Likewise.
+ * config/riscv/riscv.h (SECONDARY_MEMORY_NEEDED): Delete.
+ * config/riscv/riscv.c (riscv_secondary_memory_needed): New function.
+ (riscv_register_move_cost): Use it instead of SECONDARY_MEMORY_NEEDED.
+ (TARGET_SECONDARY_MEMORY_NEEDED): Redefine.
+ * config/rs6000/rs6000.h (SECONDARY_MEMORY_NEEDED): Delete.
+ * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_ptr):
+ Delete.
+ * config/rs6000/rs6000.c (rs6000_secondary_memory_needed_ptr): Delete.
+ (TARGET_SECONDARY_MEMORY_NEEDED): Redefine.
+ (rs6000_option_override_internal): Assign to
+ targetm.secondary_memory_needed rather than
+ rs6000_secondary_memory_needed_ptr.
+ (rs6000_secondary_memory_needed): Match hook interface.
+ (rs6000_debug_secondary_memory_needed): Likewise.
+ * config/s390/s390.h (SECONDARY_MEMORY_NEEDED): Delete.
+ * config/s390/s390.c (s390_secondary_memory_needed): New function.
+ (TARGET_SECONDARY_MEMORY_NEEDED): Redefine.
+ * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED): Delete.
+ * config/sparc/sparc.c (TARGET_SECONDARY_MEMORY_NEEDED): Redefine.
+ (sparc_secondary_memory_needed): New function.
+ * lra-constraints.c (check_and_process_move): Refer to
+ TARGET_SECONDARY_MEMORY_NEEDED rather than SECONDARY_MEMORY_NEEDED
+ in comment.
+ (curr_insn_transform): Likewise.
+ (process_alt_operands): Use targetm.secondary_memory_needed
+ instead of TARGET_SECONDARY_MEMORY_NEEDED.
+ (check_secondary_memory_needed_p): Likewise.
+ (choose_split_class): Likewise.
+ * reload.c: Unconditionally include code that was previously
+ conditional on SECONDARY_MEMORY_NEEDED.
+ (push_secondary_reload): Use targetm.secondary_memory_needed
+ instead of TARGET_SECONDARY_MEMORY_NEEDED.
+ (push_reload): Likewise.
+ * reload1.c: Unconditionally include code that was previously
+ conditional on SECONDARY_MEMORY_NEEDED.
+ (choose_reload_regs): Use targetm.secondary_memory_needed
+ instead of TARGET_SECONDARY_MEMORY_NEEDED.
+ (gen_reload): Likewise.
+ * system.h (SECONDARY_MEMORY_NEEDED): Poison.
+
+2017-09-13 Richard Sandiford <richard.sandiford@linaro.org>
+ Alan Hayward <alan.hayward@arm.com>
+ David Sherwood <david.sherwood@arm.com>
+