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  1. 10 Jan, 2012 12 commits
    • re PR target/49868 (Implement named address space to place/access data in flash memory) · cba300dd 
      libgcc/
	PR target/49868
	Extend __pgmx semantics to linearize memory.
	* config/avr/t-avr (LIB1ASMFUNCS): Add _xload_1, _movmemx.
	* config/avr/lib1funcs.S (__xload_1): New function.
	(__movmemx_qi, __movmemx_hi): New functions.
	(__xload_2, __xload_3, __xload_4): Rewrite to fit new __pgmx
	semantics.

gcc/
	PR target/49868
	Extend __pgmx semantics to linearize memory.
	* config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
	determine if code comes inline or from libgcc.
	(MOVMEM_r_d:HI): Add "w" to constraint for better preference.
	(movmem_qi, movmem_qi): Set constraint #2 to "n".
	(movmem_qi_elpm, movmem_hi_elpm): Remove insns.
	(movmemx_qi, movmemx_hi): New insns.
	(xload_<mode>_libgcc): Rewrite to new insn condition.
	(xload_<mode>): Remove insns.
	* config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
	cases that don't satisfy avr_xload_libgcc_p().
	(avr_addr_space_convert): Allow converting in any direction.
	(avr_addr_space_subset_p): Return always true.
	(avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
	(avr_emit_movmemhi): Ditto.
	(avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
	(avr_out_movmem): Ditto.
	(AVR_SYMBOL_FLAG_PROGMEM): New macro.
	(AVR_SYMBOL_SET_ADDR_SPACE): New macro.
	(AVR_SYMBOL_GET_ADDR_SPACE): New macro.
	(avr_encode_section_info): Encode 'progmem' in symbol flags.
	(output_reload_in_const): Don't zero-extend any 24-bit symbols.

From-SVN: r183058
      Georg-Johann Lay committed
    • re PR fortran/51197 (Backtrace information less useful) · 59c61547 
      2012-01-10  Tobias Burnus  <burnus@net-b.de>

        PR fortran/51197
        * runtime/compile_options.c (show_signal): List
        more signals.

From-SVN: r183057
      Tobias Burnus committed
    • resolve.c (resolve_ordinary_assign): Improve error wording. · fa8df9de 
      2012-01-10  Tobias Burnus  <burnus@net-b.de>

        * resolve.c (resolve_ordinary_assign): Improve error wording.

2012-01-10  Tobias Burnus  <burnus@net-b.de>

        * gfortran.dg/class_39.f03: Update dg-error string.

From-SVN: r183056
      Tobias Burnus committed
    • re PR tree-optimization/50913 (ICE in scan_tree_for_params_right_scev, at… · 390b24dc 
      re PR tree-optimization/50913 (ICE in scan_tree_for_params_right_scev, at graphite-sese-to-poly.c:633 compiling libgfortran with -floop-interchange -m32)

2012-01-10  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/50913
	* graphite-scop-detection.c (stmt_has_simple_data_refs_p):
	Require data-refs to be representable by Graphite with respect
	to any loop nest.

	* gcc.dg/graphite/interchange-16.c: New testcase.
	* gcc.dg/graphite/scop-20.c: XFAIL.
	* gfortran.dg/graphite/interchange-1.f: Likewise.
	* gfortran.dg/graphite/block-1.f90: Likewise.
	* gfortran.dg/graphite/block-2.f: Likewise.

From-SVN: r183055
      Richard Guenther committed
    • constraints.md ("L"): Return true for 0xffffffff. · f148a434 
      	* config/i386/constraints.md ("L"): Return true for 0xffffffff.
	* config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.

From-SVN: r183054
      Uros Bizjak committed
    • Add missing PR lines · 6fcebe79 
      From-SVN: r183053
      Tom de Vries committed
    • re PR rtl-optimization/51271 (ICE in in maybe_record_trace_start, at dwarf2cfi.c:2244) · 5d1f1cd5 
      2012-01-10  Tom de Vries  <tom@codesourcery.com>

	PR rtl-optimization/51271
	* dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
	handling annulled branch.

From-SVN: r183052
      Tom de Vries committed
    • arm: Implement vec_perm and vec_perm_const for NEON. · b440f324 
      	* config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
	TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
	struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
	arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
	arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
	arm_expand_vec_perm_const): New.
	* config/arm/arm-protos.h: Update.
	* config/arm/neon.md (UNSPEC_VCONCAT): New.
	(*neon_vswp<VDQX>): New.
	(neon_vcombine<VDX>): Use neon_split_vcombine.
	(neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
	* config/arm/vec-common.md (vec_perm_const<VALL>): New.
	(vec_perm<VE>): New.

testsuite/
	* lib/target-supports.exp (check_effective_target_vect_perm,
	check_effective_target_vect_perm_byte,
	check_effective_target_vect_perm_short): Enable for arm neon.

From-SVN: r183051
      Richard Henderson committed
    • arm: Convert to atomic optabs. · 18f0fe6b 
      	* config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
	use it if reload_completed.
	(arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
	arm_output_asm_insn, arm_process_output_memory_barrier,
	arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
	arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
	arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
	arm_process_output_sync_insn, arm_output_sync_insn,
	arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
	(arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
	(arm_emit_load_exclusive, arm_emit_store_exclusive): New.
	(emit_unlikely_jump): New.
	(arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
	(arm_split_atomic_op): New.
	* config/arm/arm-protos.h: Update.
	* config/arm/arm.h (enum arm_sync_generator_tag): Remove.
	(struct arm_sync_generator): Remove.
	* config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
	VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
	(VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
	(VUNSPEC_LL, VUNSPEC_SC): New.
	(sync_result, sync_memory, sync_required_value, sync_new_value,
	sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
	(attr length): Don't use arm_sync_loop_insns.
	(cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
	(movsfcc, movdfcc): Likewise.
	* config/arm/constraints.md (Ua): New.
	* config/arm/prediates.md (mem_noofs_operand): New.
	(sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
	(sync_clobber, sync_t2_reqd): Remove.
	(sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
	(sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
	(sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
	(arm_sync_compare_and_swap<SIDI>): Remove.
	(arm_sync_compare_and_swap<NARROW>): Remove.
	(arm_sync_lock_test_and_set<SIDI>): Remove.
	(arm_sync_lock_test_and_set<NARROW>): Remove.
	(arm_sync_new_<syncop><SIDI>): Remove.
	(arm_sync_new_<syncop><NARROW>): Remove.
	(arm_sync_new_nand<SIDI>): Remove.
	(arm_sync_new_nand<NARROW>): Remove.
	(arm_sync_old_<syncop><SIDI>): Remove.
	(arm_sync_old_<syncop><NARROW>): Remove.
	(arm_sync_old_nand<SIDI>): Remove.
	(arm_sync_old_nand<NARROW>): Remove.
	(*memory_barrier): Merge arm_output_memory_barrier.
	(atomic_compare_and_swap<QHSD>): New.
	(atomic_compare_and_swap<NARROW>_1): New.
	(atomic_compare_and_swap<SIDI>_1): New.
	(atomic_exchange<QHSD>): New.
	(cas_cmp_operand, cas_cmp_str): New.
	(atomic_op_operand, atomic_op_str): New.
	(atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
	(atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
	(atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
	(arm_load_exclusive<NARROW>): New.
	(arm_load_exclusivesi, arm_load_exclusivedi): New.
	(arm_store_exclusive<QHSD>): New.

From-SVN: r183050
      Richard Henderson committed
    • libitm_i.h (_Unwind_DeleteException): Declare weak. · 8377e5e5 
      	* libitm_i.h (_Unwind_DeleteException): Declare weak.
	* eh_cpp.cc (_Unwind_DeleteException): Define for
	!HAVE_ELF_STYLE_WEAKREF.

From-SVN: r183049
      Richard Henderson committed
    • Fix bugs in -mvsx-scalar-memory and -mvsx-scalar-double · df5a9a7c 
      From-SVN: r183048
      Michael Meissner committed
    • Daily bump. · a5c1636f 
      From-SVN: r183047
      GCC Administrator committed
  3. 09 Jan, 2012 26 commits
  5. 08 Jan, 2012 2 commits