rx.opt (mpid): Define.

[gcc.git] / gcc / ChangeLog

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
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@@ -1,3 +1,47 @@
+2011-10-05  DJ Delorie  <dj@redhat.com>
+           Nick Clifton  <nickc@redhat.com>
+
+       * config/rx/rx.opt (mpid): Define.
+       * config/rx/t-rx (MULTILIB_OPTIONS): Add -mpid
+       (MULTILIB_DIRNAMES): Add pid.
+       * config/rx/rx.c (rx_gp_base_regnum_val, rx_pid_base_regnum_val)
+       (rx_num_interrupt_regs): New variable.
+       (rx_gp_base_regnum): New function.  Returns the number of the
+       small data area register.
+       (rx_pid_base_regnum): New function.  Returns the number of the pid
+       base register.
+       (rx_decl_for_addr): New function.  Returns the symbolic part of a
+       MEM.
+       (rx_pid_data_operand): New function.  Returns whether an object is
+       in the position independent data area.
+       (rx_legitimize_address): New function.  Puts undecided PID
+       objects in the PID data area.
+       (rx_is_legitimate_address): Add support for PID operands.
+       (rx_print_operand_address): Likewise.
+       (rx_print_operand): Likewise.
+       (rx_maybe_pidify_operand): New function.  Determine if an operand
+       is suitable for PID addressing.
+       (rx_gen_move_template): Add PID support.
+       (rx_conditional_register_usage): Likewise.
+       (rx_option_override): Initialise rx_num_interrupt_regs.
+       (rx_is_legitimate_constant): Add support for PID constants.
+       (TARGET_LEGITIMIZE_ADDRESS): Define.
+       * config/rx/constraints.md (Rpid): Define.
+       (Rpda): Define.
+       * config/rx/rx.md (UNSPEC_PID_ADDR): Define.
+       (tablejump): Add PID support.
+       (mov<>): Likewise.
+       (mov<>_internal): Likewise.
+       (addsi3): Convert to an expander.  Add PID support.
+       (pid_addr): New pattern.
+       * config/rx/rx.h (CPP_SPEC): Define.
+       (ASM_SPEC): Pass -mpid and -mint-register on to assembler.
+       (CASE_VECTOR_PC_RELATIVE): Define.
+       (JUMP_TABLES_IN_TEXT_SECTION): Enable for PID mode.
+       * config/rx/rx-protos.h (rx_maybe_pidify_operand): Prototype.
+       * doc/invoke.texi (RX Options): Document -mpid command line
+       option.
+
 2011-10-05  Richard Guenther  <rguenther@suse.de>
 
        PR tree-optimization/38885