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  1. 08 Feb, 2013 9 commits
    • re PR tree-optimization/52448 (cselim broken with calls) · c1ca73d8 
      	PR tree-optimization/52448

	* tree-ssa-phiopt.c (struct name_to_bb): Add phase member.
	(nt_call_phase): New static.
	(add_or_mark_expr): Only mark accesses with newer phase than any
	call seen.
	(nonfreeing_call_p): New.
	(nt_init_block): Update nt_call_phase, mark blocks as visited.
	(nt_fini_block): Keep blocks marked as visited.
	(get_non_trapping): Initialize nt_call_phase, and reset aux pointer.

testsuite/
	PR tree-optimization/52448
	* gcc.dg/pr52448.c: New test.

From-SVN: r195883
      Michael Matz committed
    • ira.c (ira): Free broken dominator information. · 57548aa2 
      2013-02-08  Richard Biener  <rguenther@suse.de>

	* ira.c (ira): Free broken dominator information.

From-SVN: r195882
      Richard Biener committed
    • i386.c (ix86_spill_class): Use INTEGER_CLASS_P macro. · 8e10366f 
      	* config/i386/i386.c (ix86_spill_class): Use INTEGER_CLASS_P macro.

From-SVN: r195881
      Uros Bizjak committed
    • Add more checking of headers. · f64fb0fa 
      From-SVN: r195880
      Marek Polacek committed
    • re PR rtl-optimization/56181 (ICE in verify_loop_structure, at cfgloop.c:1581 with -ftracer) · 0375167b 
      2013-02-08  Richard Biener  <rguenther@suse.de>

	PR middle-end/56181
	* cfgloop.h (flow_loops_find): Adjust.
	(bb_loop_header_p): Declare.
	* cfgloop.c (bb_loop_header_p): New function split out from ...
	(flow_loops_find): ... here.  Adjust function signature,
	support incremental loop structure update.
	(verify_loop_structure): Cleanup.  Verify a loop is a loop.
	* cfgloopmanip.c (fix_loop_structure): Move ...
	* loop-init.c (fix_loop_structure): ... here.
	(apply_loop_flags): Split out from ...
	(loop_optimizer_init): ... here.
	(fix_loop_structure): Use apply_loop_flags.  Use flow_loops_find
	in incremental mode, only remove dead loops here.

	* gcc.dg/torture/pr56181.c: New testcase.

From-SVN: r195879
      Richard Biener committed
    • re PR target/54222 ([avr] Implement fixed-point support) · 85d768f3 
      gcc/
	PR target/54222
	* config/avr/avr.md (unspec) <UNSPEC_ROUND>: Add.
	* config/avr/avr-fixed.md (ALL4QA, ALL124QA): New mode iterators.
	(round<mode>3, round<mode>3_const): New expanders for fixed-mode.
	(*round<mode>3.libgcc): New insns for fixed-modes.
	* config/avr/builtins.def (ABSxx): Use a non-NULL LIBNAME.
	(ROUNDxx, COUNTLSxx, BITSxx, xxBITS): New DEF_BUILTINs.
	(ROUNDFX, COUNTLSFX, ABSFX): New DEF_BUILTINs.
	* config/avr/stdfix.h (absFX, bitsFX, FXbits): Remove inline
	implementations.  Define to __builtin_avr_absFX,
	__builtin_avr_bitsFX, __builtin_avr_FXbits, respectively.
	(roundFX, countlsFX): Define to __builtin_avr_roundFX,
	__builtin_avr_countlsFX, respectively.
	* config/avr/avr-c.c (target.h): Include it.
	(enum avr_builtin_id): New enum.
	(avr_resolve_overloaded_builtin): New static function.
	(avr_register_target_pragmas): Use it to set
	targetm.resolve_overloaded_builtin.
	* config/avr/avr.c (avr_init_builtins): Supply myriads of local
	tree nodes used by DEF_BUILTIN.
	(avr_expand_builtin) <AVR_BUILTIN_ROUNDxx>: Sanity-check them.
	(avr_fold_builtin) <AVR_BUILTIN_BITSxx>: Fold to VIEW_COVERT_EXPR.
	<AVR_BUILTIN_xxBITS>: Same.
	
libgcc/
	PR target/54222
	* config/avr/lib2funcs.c: New C sources for modules for libgcc.a.
	* config/avr/lib2-object.mk: New iterator to build objects from it.
	* config/avr/t-avr: Iterate lib2-object.mk to build objects from
	lib2funcs.c.
	(LIB2FUNCS_EXCLUDE): Add _clrsbdi2.
	(LIB1ASMFUNCS): Add: _ssabs_1, _mask1, _ret, _roundqq3, _rounduqq3,
	_round_s2, _round_u2, _round_2_const, _addmask_2, _round_s4,
	_round_u4, _round_4_const, _addmask_4, _round_x8, _rounddq3
	_roundudq3, _roundda3 _rounduda3, _roundta3 _rounduta3.
	* config/avr/lib1funcs-fixed.S: Implement them.

gcc/testsuite/
	PR target/54222
	* gcc.target/avr/torture/builtins-4-roundfx.c: New test.
	* gcc.target/avr/torture/builtins-5-countlsfx.c: New test.

From-SVN: r195878
      Georg-Johann Lay committed
    • cfgloop.c (verify_loop_structure): Properly handle a loop exiting to another loop header. · 661bc682 
      2013-02-08  Richard Biener  <rguenther@suse.de>

	* cfgloop.c (verify_loop_structure): Properly handle
	a loop exiting to another loop header.
	* ira-int.h (ira_loops): Remove.
	* ira.c (ira_loops): Remove.
	(ira): Use loop_optimizer_init and loop_optimizer_finalize.
	(do_reload): Use loop_optimizer_finalize.
	* ira-build.c (create_loop_tree_nodes): Use get_loops and
	number_of_loops to access the loop tree.
	(more_one_region_p): Likewise.
	(finish_loop_tree_nodes): Likewise.
	(rebuild_regno_allocno_maps): Likewise.
	(mark_loops_for_removal): Likewise.
	(mark_all_loops_for_removal): Likewise.
	(remove_unnecessary_regions): Likewise.
	(ira_build): Likewise.
	* ira-emit.c (setup_entered_from_non_parent_p): Likewise.

From-SVN: r195877
      Richard Biener committed
    • Makefile.in (tree-tailcall.o): Add $(CFGLOOP_H) dependency. · 0d5049b2 
      2013-02-08  Richard Biener  <rguenther@suse.de>

	* Makefile.in (tree-tailcall.o): Add $(CFGLOOP_H) dependency.
	* ipa-pure-const.c (analyze_function): Avoid calling
	mark_irreducible_loops twice.
	* tree-tailcall.c (tree_optimize_tail_calls_1): Mark loops
	for fixup.

From-SVN: r195876
      Richard Biener committed
    • Daily bump. · ce3aef7d 
      From-SVN: r195874
      GCC Administrator committed
  3. 07 Feb, 2013 26 commits
  5. 06 Feb, 2013 5 commits