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  1. 31 Jul, 2008 34 commits
  3. 30 Jul, 2008 6 commits
    • re PR ada/36554 (verify_flow_info ICE can not throw but has EH edges) · 01ddebf2 
              PR ada/36554
        * dwarf2out.c (is_subrange_type): Deal with BOOLEAN_TYPE.
ada/
        * back_end.adb (Call_Back_End): Pass Standard_Boolean to gigi.
        * gcc-interface/gigi.h (gigi): Take new standard_boolean parameter.
        * gcc-interface/decl.c (gnat_to_gnu_entity) <E_Enumeration_Subtype>:
        Set precision to 1 for subtype of BOOLEAN_TYPE.
        (set_rm_size): Set TYPE_RM_SIZE_NUM for BOOLEAN_TYPE.
        (make_type_from_size): Deal with BOOLEAN_TYPE.
        * gcc-interface/misc.c (gnat_print_type): Likewise.
        * gcc-interface/trans.c (gigi): Take new standard_boolean parameter.
        Set boolean_type_node as its translation in the table, as well
        as boolean_false_node for False and boolean_true_node for True.
        * gcc-interface/utils.c (gnat_init_decl_processing): Create custom
        8-bit boolean_type_node and set its TYPE_RM_SIZE_NUM.
        (create_param_decl): Deal with BOOLEAN_TYPE.
        (build_vms_descriptor): Likewise.
        (build_vms_descriptor64): Likewise.
        (convert): Deal with BOOLEAN_TYPE like with ENUMERAL_TYPE.

From-SVN: r138348
      Eric Botcazou committed
    • re PR bootstrap/36974 (Gcc failed to bootstrap) · b8c71e40 
      2008-07-30  Rafael Avila de Espindola  <espindola@google.com>

	PR 36974
	* final.c (call_from_call_insn): Handle COND_EXEC

From-SVN: r138347
      Rafael Avila de Espindola committed
    • builtins.c (std_gimplify_va_arg_expr): Replace PREFERRED_STACK_BOUNDARY with… · 90c700cd 
      builtins.c (std_gimplify_va_arg_expr): Replace PREFERRED_STACK_BOUNDARY with MAX_SUPPORTED_STACK_ALIGNMENT.

2008-07-30  H.J. Lu  <hongjiu.lu@intel.com>

	* builtins.c (std_gimplify_va_arg_expr): Replace
	PREFERRED_STACK_BOUNDARY with MAX_SUPPORTED_STACK_ALIGNMENT.
	* config/i386/i386.c (ix86_gimplify_va_arg): Likewise.

From-SVN: r138340
      H.J. Lu committed
    • func-vararg-alternate-d128-2.c: New. · 3b2488ca 
      2008-07-30  H.J. Lu  <hongjiu.lu@intel.com>
	    Joey Ye  <joey.ye@intel.com>

	* gcc.dg/dfp/func-vararg-alternate-d128-2.c: New.
	* gcc.dg/dfp/func-vararg-mixed-2.c: Likewise.
	* gcc.dg/torture/stackalign/alloca-1.c: Likewise.
	* gcc.dg/torture/stackalign/builtin-apply-1.c: Likewise.
	* gcc.dg/torture/stackalign/builtin-apply-2.c: Likewise.
	* gcc.dg/torture/stackalign/builtin-apply-3.c: Likewise.
	* gcc.dg/torture/stackalign/builtin-apply-4.c: Likewise.
	* gcc.dg/torture/stackalign/builtin-return-1.c: Likewise.
	* gcc.dg/torture/stackalign/check.h: Likewise.
	* gcc.dg/torture/stackalign/comp-goto-1.c: Likewise.
	* gcc.dg/torture/stackalign/fastcall-1.c: Likewise.
	* gcc.dg/torture/stackalign/global-1.c: Likewise.
	* gcc.dg/torture/stackalign/inline-1.c: Likewise.
	* gcc.dg/torture/stackalign/inline-2.c: Likewise.
	* gcc.dg/torture/stackalign/nested-1.c: Likewise.
	* gcc.dg/torture/stackalign/nested-2.c: Likewise.
	* gcc.dg/torture/stackalign/nested-3.c: Likewise.
	* gcc.dg/torture/stackalign/nested-4.c: Likewise.
	* gcc.dg/torture/stackalign/nested-5.c: Likewise.
	* gcc.dg/torture/stackalign/nested-6.c: Likewise.
	* gcc.dg/torture/stackalign/non-local-goto-1.c: Likewise.
	* gcc.dg/torture/stackalign/non-local-goto-2.c: Likewise.
	* gcc.dg/torture/stackalign/non-local-goto-3.c: Likewise.
	* gcc.dg/torture/stackalign/non-local-goto-4.c: Likewise.
	* gcc.dg/torture/stackalign/non-local-goto-5.c: Likewise.
	* gcc.dg/torture/stackalign/pr16660-1.c: Likewise.
	* gcc.dg/torture/stackalign/pr16660-2.c: Likewise.
	* gcc.dg/torture/stackalign/pr16660-3.c: Likewise.
	* gcc.dg/torture/stackalign/regparm-1.c: Likewise.
	* gcc.dg/torture/stackalign/ret-struct-1.c: Likewise.
	* gcc.dg/torture/stackalign/setjmp-1.c: Likewise.
	* gcc.dg/torture/stackalign/setjmp-2.c: Likewise.
	* gcc.dg/torture/stackalign/setjmp-3.c: Likewise.
	* gcc.dg/torture/stackalign/setjmp-4.c: Likewise.
	* gcc.dg/torture/stackalign/sibcall-1.c: Likewise.
	* gcc.dg/torture/stackalign/stackalign.exp: Likewise.
	* gcc.dg/torture/stackalign/struct-1.c: Likewise.
	* gcc.dg/torture/stackalign/vararg-1.c: Likewise.
	* gcc.dg/torture/stackalign/vararg-2.c: Likewise.
	* gcc.target/i386/align-main-1.c: Likewise.
	* gcc.target/i386/align-main-2.c: Likewise.
	* gcc.target/i386/pr32000-2.c: Likewise.
	* gcc.target/i386/stackalign/asm-1.c: Likewise.
	* gcc.target/i386/stackalign/return-1.c: Likewise.
	* gcc.target/i386/stackalign/return-2.c: Likewise.
	* gcc.target/i386/stackalign/return-3.c: Likewise.
	* gcc.target/i386/stackalign/return-4.c: Likewise.
	* gcc.target/i386/stackalign/return-5.c: Likewise.
	* gcc.target/i386/stackalign/return-6.c: Likewise.
	* gcc.target/i386/stackalign/stackalign.exp: Likewise.
	* g++.dg/torture/stackalign/check.h: Likewise.
	* g++.dg/torture/stackalign/eh-alloca-1.C: Likewise.
	* g++.dg/torture/stackalign/eh-fastcall-1.C: Likewise.
	* g++.dg/torture/stackalign/eh-global-1.C: Likewise.
	* g++.dg/torture/stackalign/eh-inline-1.C: Likewise.
	* g++.dg/torture/stackalign/eh-inline-2.C: Likewise.
	* g++.dg/torture/stackalign/eh-vararg-1.C: Likewise.
	* g++.dg/torture/stackalign/eh-vararg-2.C: Likewise.
	* g++.dg/torture/stackalign/stackalign.exp: Likewise.
	* g++.dg/torture/stackalign/stdcall-1.C: Likewise.
	* g++.dg/torture/stackalign/test-unwind.h: Likewise.
	* g++.dg/torture/stackalign/throw-1.C: Likewise.
	* g++.dg/torture/stackalign/throw-2.C: Likewise.
	* g++.dg/torture/stackalign/throw-3.C: Likewise.
	* g++.dg/torture/stackalign/throw-4.C: Likewise.
	* g++.dg/torture/stackalign/unwind-0.C: Likewise.
	* g++.dg/torture/stackalign/unwind-1.C: Likewise.
	* g++.dg/torture/stackalign/unwind-2.C: Likewise.
	* g++.dg/torture/stackalign/unwind-3.C: Likewise.
	* g++.dg/torture/stackalign/unwind-4.C: Likewise.
	* g++.dg/torture/stackalign/unwind-5.C: Likewise.
	* g++.dg/torture/stackalign/unwind-6.C: Likewise.

	* gcc.target/i386/20060512-1.c: Add -mpreferred-stack-boundary=4.
	(main): Move "popl" after check.
	* gcc.target/i386/20060512-3.c: Likewise.

	* gcc.target/i386/20060512-2.c: Add -mpreferred-stack-boundary=4.
	Remove dg-error.

	* gcc.target/i386/20060512-4.c: Add -mpreferred-stack-boundary=4.
	Remove dg-warning.

	* lib/target-supports.exp (check_effective_target_unaligned_stack):
	Always return 0.
	(check_effective_target_automatic_stack_alignment): New.

Co-Authored-By: Joey Ye <joey.ye@intel.com>

From-SVN: r138336
      H.J. Lu committed
    • [multiple changes] · 2e3f842f 
      2008-07-30  Joey Ye  <joey.ye@intel.com>
	    H.J. Lu  <hongjiu.lu@intel.com>

	* builtins.c (expand_builtin_setjmp_receiver): Replace
	virtual_incoming_args_rtx with crtl->args.internal_arg_pointer.
	(expand_builtin_apply_args_1): Likewise.
	(expand_builtin_longjmp): Need DRAP for stack alignment.
	(expand_builtin_apply): Likewise.

	* caller-save.c (setup_save_areas): Call assign_stack_local_1
	instead of assign_stack_local to allow alignment reduction.

	* calls.c (emit_call_1): Need DRAP for stack alignment if
	return pops.
	(expand_call): Replace virtual_incoming_args_rtx with
	crtl->args.internal_arg_pointer.
	* stmt.c (expand_nl_goto_receiver): Likewise.

	* cfgexpand.c (get_decl_align_unit): Estimate stack variable
	alignment and store to stack_alignment_estimated and
	max_used_stack_slot_alignment.
	(expand_one_var): Likewise.
	(expand_stack_alignment): New function.
	(tree_expand_cfg): Initialize max_used_stack_slot_alignment
	and stack_alignment_estimated fields in rtl_data.  Call
	expand_stack_alignment at end.

	* defaults.h (INCOMING_STACK_BOUNDARY): New.
	(MAX_STACK_ALIGNMENT): Likewise.
	(MAX_SUPPORTED_STACK_ALIGNMENT): Likewise.
	(SUPPORTS_STACK_ALIGNMENT): Likewise.

	* emit-rtl.c (gen_reg_rtx): Estimate stack alignment for
	stack alignment when generating virtual registers.

	* function.c (assign_stack_local): Renamed to ...
	(assign_stack_local_1): This.  Add a parameter to indicate
	if it is OK to reduce alignment.
	(assign_stack_local): Use it.
	(instantiate_new_reg): Instantiate virtual incoming args rtx
	to vDRAP if stack realignment and DRAP is needed.
	(assign_parms): Collect parameter/return type alignment and
	contribute to stack_alignment_estimated.
	(locate_and_pad_parm): Likewise.
	(get_arg_pointer_save_area): Replace virtual_incoming_args_rtx
	with crtl->args.internal_arg_pointer.

	* function.h (rtl_data): Add new field drap_reg,
	max_used_stack_slot_alignment, stack_alignment_estimated,
	stack_realign_needed, need_drap, stack_realign_processed and
	stack_realign_finalized.
	(stack_realign_fp): New macro.
	(stack_realign_drap): Likewise.

	* global.c (compute_regsets): Frame pointer is needed when
	stack is realigned.  Can eliminate frame pointer when stack is
	realigned and dynamic realigned argument pointer isn't used.

	* reload1.c (update_eliminables):  Frame pointer is needed
	when stack is realigned.
	(init_elim_table): Can eliminate frame pointer when stack is
	realigned and dynamic realigned argument pointer isn't used.

	* rtl.h (assign_stack_local_1): Declare new funtion.

	* target-def.h (TARGET_UPDATE_STACK_BOUNDARY): New.
	(TARGET_GET_DRAP_RTX): Likewise.
	(TARGET_CALLS): Add TARGET_UPDATE_STACK_BOUNDARY and
	TARGET_GET_DRAP_RTX.

	* target.h (gcc_target): Add update_stack_boundary and
	get_drap_rtx.

	* tree-vectorizer.c (vect_can_force_dr_alignment_p): Replace
	STACK_BOUNDARY with MAX_STACK_ALIGNMENT.

2008-07-30  Xuepeng Guo  <xuepeng.guo@intel.com>
	    H.J. Lu  <hongjiu.lu@intel.com>

	* dwarf2out.c (dw_fde_struct): Add stack_realignment, drap_reg,
	vdrap_reg, stack_realign and drap_reg_saved.
	(add_cfi): Don't allow redefining CFA when DRAP is used.
	(reg_save): Handle stack alignment.
	(dwarf2out_frame_debug_expr): Add rules 16-20 to handle stack
	alignment.  Don't generate DWARF information for (set fp sp)
	when DRAP is used.
	(dwarf2out_begin_prologue): Initialize drap_reg and vdrap_reg
	to INVALID_REGNUM.
	(int_loc_descriptor): Move prototype forward.  Also define if
	DWARF2_UNWIND_INFO is true.
	(output_cfa_loc): Handle DW_CFA_expression.
	(build_cfa_aligned_loc): New.
	(based_loc_descr): Update assert for stack realign.  For local
	variables, use sp+offset when stack is aligned without drap and
	fp+offset when stack is aligned with drap.  For arguments, use
	cfa+offset when drap is used to align stack.

2008-07-30  Joey Ye  <joey.ye@intel.com>
	    H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/i386.c (ix86_force_align_arg_pointer_string):
	Break long line.
	(ix86_gen_andsp): New.
	(ix86_user_incoming_stack_boundary): Likewise.
	(ix86_default_incoming_stack_boundary): Likewise.
	(ix86_incoming_stack_boundary): Likewise.
	(ix86_can_eliminate): Likewise.
	(find_drap_reg): Likewise.
	(ix86_update_stack_boundary): Likewise.
	(ix86_get_drap_rtx): Likewise.
	(ix86_finalize_stack_realign_flags): Likewise.
	(TARGET_UPDATE_STACK_BOUNDARY): Likewise.
	(TARGET_GET_DRAP_RTX): Likewise.
	(override_options): Overide option value for new options.
	(ix86_function_ok_for_sibcall): Remove check for
	force_align_arg_pointer.
	(ix86_handle_cconv_attribute): Likewise.
	(ix86_function_regparm): Likewise.
	(setup_incoming_varargs_64): Don't set stack_alignment_needed
	here.
	(ix86_va_start): Replace virtual_incoming_args_rtx with
	crtl->args.internal_arg_pointer.
	(ix86_select_alt_pic_regnum): Check DRAP register.
	(ix86_save_reg): Replace force_align_arg_pointer with drap_reg.
	(ix86_compute_frame_layout): Compute frame layout wrt stack
	realignment.
	(ix86_internal_arg_pointer): Just return
	virtual_incoming_args_rtx.
	(ix86_expand_prologue): Decide if stack realignment is needed
	and generate prologue code accordingly.
	(ix86_expand_epilogue): Generate epilogue code wrt stack
	realignment is really needed or not.
	
	* config/i386/i386.h (MAIN_STACK_BOUNDARY): New.
	(ABI_STACK_BOUNDARY): Likewise.
	(PREFERRED_STACK_BOUNDARY_DEFAULT): Likewise.
	(STACK_REALIGN_DEFAULT): Likewise.
	(INCOMING_STACK_BOUNDARY): Likewise.
	(MAX_STACK_ALIGNMENT): Likewise.
	(ix86_incoming_stack_boundary): Likewise.
	(FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): Removed.
	(REAL_PIC_OFFSET_TABLE_REGNUM): Updated to use BX_REG.
	(CAN_ELIMINATE): Defined with ix86_can_eliminate.
	(machine_function): Remove force_align_arg_pointer.

	* config/i386/i386.md (BX_REG): New.
	(R13_REG): Likewise.

	* config/i386/i386.opt (mforce_drap): New.
	(mincoming-stack-boundary): Likewise.
	(mstackrealign): Add Init(-1).

	* config/i386/i386-protos.h (ix86_can_eliminate): New

2008-07-30  H.J. Lu  <hongjiu.lu@intel.com>

	* doc/extend.texi: Update force_align_arg_pointer.

	* doc/invoke.texi: Document -mincoming-stack-boundary.  Update
	-mstackrealign.

	* doc/tm.texi (MAX_STACK_ALIGNMENT): Add macro.
	(INCOMING_STACK_BOUNDARY): Likewise.
	(TARGET_UPDATE_STACK_BOUNDARY): New target hook.
	(TARGET_GET_DRAP_RTX): Likewise.

From-SVN: r138335
      H.J. Lu committed
    • re PR rtl-optimization/36929 (internal compiler error: Segmentation fault) · 22129589 
      PR rtl-optimization/36929
* dse.c (replace_inc_dec): Use emit_insn_before instead of
add_insn_before and fix argument order.
(replace_inc_dec_mem): Handle NULL rtx.

From-SVN: r138333
      Andreas Schwab committed