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Diffstat (limited to 'gcc/ChangeLog')
| -rw-r--r-- | gcc/ChangeLog | 117 |
1 files changed, 117 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 8971af86ff4..75333c13f38 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,120 @@ +2009-09-14 Richard Sandiford <rdsandiford@googlemail.com> + + * config/mips/mips-protos.h (mips_cfun_has_cprestore_slot_p): Declare. + (mips_cprestore_address_p): Likewise. + (mips_save_gp_to_cprestore_slot): Likewise. + (mips_restore_gp): Rename to... + (mips_restore_gp_from_cprestore_slot): ...this. + (mips_must_initialize_gp_p): Declare. + (mips_emit_save_slot_move): Likewise. + (mips_output_load_label): Return nothing. + (mips_eh_uses): Declare. + * config/mips/mips.h (TARGET_SPLIT_CALLS): Require epilogue_completed. + (TARGET_CPRESTORE_DIRECTIVE): New macro. + (TARGET_ABSOLUTE_JUMPS): Likewise. + (EH_USES): Likewise. + (FIRST_PSEUDO_REGISTER): Update comment. + (MIPS_ABSOLUTE_JUMP): New macro, extracted from... + (MIPS_CALL): ...here. + (REGISTER_NAMES): Add $cprestore. + * config/mips/mips.c (machine_function): Remove has_gp_insn_p. + Add load_label_length, has_inflexible_gp_insn_p, + has_flexible_gp_insn_p, must_initialize_gp_p and + must_restore_gp_when_clobbered_p. + (mips_expand_call): Don't generate split instructions here. + (mips_split_call): Update the call to mips_restore_gp after + the above name change. + (mips16_cfun_returns_in_fpr_p): Move earlier in file. + (mips_find_gp_ref): New function. + (mips_insn_has_inflexible_gp_ref_p): Likewise. + (mips_cfun_has_inflexible_gp_ref_p): Likewise. + (mips_insn_has_flexible_gp_ref_p): Likewise. + (mips_cfun_has_flexible_gp_ref_p): Likewise. + (mips_function_has_gp_insn): Delete. + (mips_global_pointer): Drop the df_regs_ever_live_p check. + Use the new functions above. Only return INVALID_REGNUM + for TARGET_ABSOLUTE_JUMPS. + (mips_must_initialize_gp_p): New function. + (mips_get_cprestore_base_and_offset): New function, extracted from... + (mips_cprestore_slot): ...here. Take a bool parameter. + (mips_cfun_has_cprestore_slot_p): New function. + (mips_cprestore_address_p): Likewise. + (mips_save_gp_to_cprestore_slot): Likewise. + (mips_restore_gp): Rename to... + (mips_restore_gp_from_cprestore_slot): ...this. Assert + epilogue_completed. Update the call to mips_cprestore_slot. + Test cfun->machine->must_restore_gp_when_clobbered_p. + (mips_direct_save_slot_move_p): New function. + (mips_emit_save_slot_move): Likewise. + (mips_output_cplocal): Test mips_must_initialize_gp_p () instead + of cfun->machine->global_pointer. + (mips_output_function_prologue): Check mips_must_initialize_gp_p (). + (mips_save_reg): Use mips_emit_save_slot_move. + (mips_expand_prologue): Set must_initialize_gp_p. + Use mips_cfun_has_cprestore_slot_p. Use gen_potential_cprestore + for all cprestore saves. Emit a use_cprestore instruction after + setting up the cprestore slot. + (mips_restore_reg): Use mips_emit_save_slot_move. + (mips_process_load_label): New function. + (mips_load_label_length): Likewise. + (mips_output_load_label): Don't return asm: output it here instead. + Use mips_process_load_label. + (mips_adjust_insn_length): Adjust the length of branch instructions + that have length MAX_PIC_BRANCH_LENGTH. + (mips_output_conditional_branch): Update the call to + mips_output_load_label. Assume the branch target is OPERANDS[0] + rather than OPERANDS[1]. Use MIPS_ABSOLUTE_JUMP for absolute jumps. + (mips_output_order_conditional_branch): Swap the meaning of + OPERANDS[0] and OPERANDS[1]. + (mips_variable_issue): Don't count ghost instructions. + (mips_expand_ghost_gp_insns): New function. + (mips_reorg): Rerun mips_reorg_process_insns if it returns true. + (mips_output_mi_thunk): Set must_initialize_gp_p. + (mips_eh_uses): New function. + * config/mips/predicates.md (cprestore_save_slot_operand) + (cprestore_load_slot_operand): New predicates. + * config/mips/mips.md (UNSPEC_POTENTIAL_CPRESTORE): New unspec. + (UNSPEC_MOVE_GP): Likewise. + (UNSPEC_CPRESTORE, UNSPEC_RESTORE_GP, UNSPEC_EH_RETURN) + (UNSPEC_CONSTTABLE_INT, UNSPEC_CONSTTABLE_FLOAT): Bump to make room. + (CPRESTORE_SLOT_REGNUM): New register. + (MAX_PIC_BRANCH_LENGTH): New constant. + (jal_macro): Use MIPS_ABSOLUTE_JUMPS. + (length): Use MAX_PIC_BRANCH_LENGTH as a placeholder for PIC long + branches. Fix commentary. + (loadgp_newabi_<mode>): Change from unspec_volatile to unspec. + Only split if mips_must_initialize_gp_p; expand to nothing otherwise. + Change type to "ghost". + (loadgp_absolute_<mode>): Likewise. + (loadgp_rtp_<mode>): Likewise. + (copygp_mips16): Likewise. + (loadgp_blockage): Remove redundant mode attribute. + (potential_cprestore): New instruction. + (cprestore): Turn into an unspec set. + (use_cprestore): New instruction. + (*branch_fp): Swap operands 0 and 1. Remove redundant mode attribute. + (*branch_fp_inverted): Likewise. + (*branch_order<mode>): Likewise. + (*branch_order<mode>_inverted): Likewise. + (*branch_equality<mode>): Likewise. + (*branch_equality<mode>_inverted): Likewise. + (*branch_bit<bbv><mode>): Likewise. + (*branch_bit<bbv><mode>_inverted): Likewise. + (*branch_equality<mode>_mips16): Remove redundant mode. + (jump): Turn into a define_expand. + (*jump_absolute): New instruction. + (*jump_pic): Likewise. + (*jump_mips16): Rename previously-unnamed pattern. Remove + redundant mode attribute. + (restore_gp): Split on epilogue_completed rather than + reload_completed. Change type to "ghost". + (move_gp<mode>): New instruction. + * config/mips/mips-dsp.md (mips_bposge): Swap operands 0 and 1. + Remove redundant mode attribute. + * config/mips/mips-ps-3d.md (bc1any4t): Likewise. + (bc1any4f, bc1any2t, bc1any2f): Likewise. + (*branch_upper_lower, *branch_upper_lower_inverted): Likewise. + 2009-09-14 Michael Meissner <meissner@linux.vnet.ibm.com> PR target/41210 |