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authorJeff Law <law@redhat.com>2002-06-10 10:32:45 -0600
committerJeff Law <law@gcc.gnu.org>2002-06-10 10:32:45 -0600
commitbf1660a67066f9ad75d368466f5be15cc23a6ca1 (patch)
treeb6731a46c8b99043d03fbda9812dc896be80aba5 /libiberty
parent8dc5848454ac4c24ce5a3fead6dd4e4ef4cb3a2f (diff)
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alias.c (static_reg_base_value): New to hold RTL for items allocated once per function for the aliasing code.
* alias.c (static_reg_base_value): New to hold RTL for items allocated once per function for the aliasing code. (init_alias_once_per_function): Initialize static_reg_base_value. (init_alias_analysis): Avoid throw-away allocations of RTL by using pre-computed values in static_reg_base_value. * function.c (prepare_function_start): Call init_alias_once_per_function appropriately. * rtl.h (init_alias_once_per_function): Declare. * caller-save (init_caller_save): Restructure slightly to avoid lots of silly RTL generation. * expr.c (init_expr_once): Likewise. * reload1.c (reload_cse_regs_1): Allocate throw-away register RTL object here. Pass it into children. (reload_cse_simplify_operands): Use passed-in register RTL object. (reload_cse_simplify): Pass through throw-away register RTL object. From-SVN: r54442
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