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* gengtype.c (adjust_field_rtx_def): Use NOTE_KIND instead of
NOTE_LINE_NUMBER; use NOTE_INSN_BASIC_BLOCK_P when possible.
* ddg.c (create_ddg): LIkewise.
* final.c (final): Remove hunk moving line numbernotes around since
they are no longer present at this stage.
(final_scan_insn): Use NOTE_KIND instead of
NOTE_LINE_NUMBER; use NOTE_INSN_BASIC_BLOCK_P when possible.
(output_asm_label): Likewise.
* reorg.c (dbr_schedule): Likewise.
* haifa-sched.c (unlink_other_notes): Likewise.
* mode-switching.c (optimize_mode_switching): Likewise.
* graph.c (start_bb): Likewise.
* rtl.def (NOTE): Update description.
* jump.c (squeeze_notes): Delete.
(mark_jump_label): Use NOTE_KIND instead of NOTE_LINE_NUMBER; use
NOTE_INSN_BASIC_BLOCK_P when possible.
* ifcvt.c (dead_or_predicable): Remove call of squeeze_notes.
* dwarf2out.c (gen_label_die): Use NOTE_KIND instead of
NOTE_LINE_NUMBER; use NOTE_INSN_BASIC_BLOCK_P when possible.
(dwarf2out_var_location): Likewise.
* cfgbuild.c (make_edges): Likewise.
(find_basic_blocks_1): Likewise.
* function.c (reorder_blocks_1): Likewise.
(epilogue_done): Likewise.
(reposition_prologue_and_epilogue_notes): Likewise.
* print-rtl.c (print_rtx): Likewise; drop code for printing line number
notes.
(print_rtl): Likewise.
(print_rtl_single): Likewise.
* gcse.c (insert_insn_start_bb): Likewise.
* alias.c (init_alias_analysis): Likewise.
* calls.c (fixup_tail_calls): Likewise.
* except.c (sjlj_emit_function_enter): Likewise.
* emit-rtl.c (add_insn_after): Likeiwse.
(emit_label_before): Likewise.
(emit_label_after): Likewise.
(emit_note_before, emit_note_after, emit_note): Update
parameter to be enum insn_note; do not deal with source
files.
* cfgcleanup.c (merge_blocks_move_predecessor_nojumps):
Use NOTE_KIND instead of NOTE_LINE_NUMBER; use NOTE_INSN_BASIC_BLOCK_P
when possible.
(merge_blocks_move_successor_nojumps): Simplify now when
we don't have BLOCK notes.
(try_optimize_cfg): Likewise.
* cfglayout.c (skip_insns_after_block): Likewise.
(record_effective_endpoints): Likewise.
(duplicate_insn_chain): Likewise.
* varasm.c (output_constant_pool_1): Likewise.
* sched-deps.c (sched_analyze): Likewise.
* rtl.c (NOTE_INSN_MAX_isnt_negative_adjust_NOTE_INSN_BIAS):
Exterminate.
(note_insn_name): Simplify now when NOTE_INSN_BIAS is gone.
* rtl.h (NOTE_SOURCE_LOCATION, NOTE_EXPANDED_LOCATION): Exterminate.
(SET_INSN_DELETED): Simplify.
(NOTE_LINE_NUMBER): Exterminate.
(NOTE_LINE_KIND): New.
(NOTE_INSN_BASIC_BLOCK_P): Update.
(enum insn_note): Simplify.
(GET_NOTE_INSN_NAME) Simplify.
(emit_note_before, emit_note_after, emit_note): Update prototype.
(squeeze_notes): Remove.
* sched-int.h (NOTE_NOT_BB_P): Update.
* resource.c (mark_target_live_regs): Update.
* sched-rgn.c (debug_dependencies): Update.
* sched-vis.c (print_insn): Update.
* config/alpha/alpha.c (alpha_handle_trap_shadows): Update.
* config/i386/i386.c (ix86_output_function_epilogue): Update.
* config/sh/sh.c (sh_adjust_unroll_max): Function dead since gcc 4.0.0.
(TARGET_ADJUST_UNROLL_MAX): Likewise.
(split_branches): Update.
(sh_optimize_target_register_callee_saved): Remove hunk dead since gcc
4.0.0.
(sh_adjust_unroll_max): Exterminate.
* config/c4x/c4x.c (c4x_reorg): Use SET_INSN_DELETED.
* config/m68hc11/m68hc11.c (m68hc11_check_z_replacement): Likewise.
(m68hc11_reorg): Likewise.
* config/ia64/ia64.c (emit_insn_group_barriers): Update.
(emit_predicate_relation_info): Update.
(process_for_unwind_directive): Update.
* config/rs6000/rs6000.c (rs6000_output_function_epilogue): Update.
(output_call): Update.
* config/pa/pa.c (output_lbranch): Update.
(output_millicode_call): Update.
(output_call): Update.
(pa_combine_instructions): Update.
* config/mips/mips.c (mips16_gp_pseudo_reg): Update.
* config/bfin/bfin.c (gen_one_bundle): Update.
* cfgrtl.c (can_delete_note_p): Update.
(delete_insn): Update.
(rtl_merge_blocks): Update.
(commit_one_edge_insertion): Update.
(rtl_verify_flow_info): Update.
* stmt.c (expand_case): Do not call squeeze_notes.
From-SVN: r124895
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From-SVN: r124890
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* gcc/Changelog: Fix wrong year.
* gcc/testsuite/Changelog: Likewise.
From-SVN: r124877
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2007-05-20 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
PR middle-end/7651
PR c++/11856
PR c/12963
PR c/23587
PR other/29694
* c.opt (Wtype-limits): New.
* doc/invoke.texi (Wtype-limits): Document it.
(Wextra): Enabled by -Wextra.
* c-opts.c (c_common_post_options): Enabled by -Wextra.
* c-common.c (shorten_compare): Warn with Wtype-limits.
testsuite/
* gcc.dg/compare6.c: Replace Wall with Wtype-limits.
* gcc.dg/Wtype-limits.c: New.
* gcc.dg/Wtype-limits-Wextra.c: New.
* gcc.dg/Wtype-limits-no.c: New.
* g++.dg/warn/Wtype-limits.C: New.
* g++.dg/warn/Wtype-limits-Wextra.C: New.
* g++.dg/warn/Wtype-limits-no.C: New.
From-SVN: r124875
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a macro.
* config/i386/tmmintrin.h (_mm_alignr_epi32): Implement as always
inlined function, not as a macro.
(_mm_alignr_pi8): Ditto.
* config/i386/ammintrin.h (_mm_extracti_si64): Ditto.
(_mm_inserti_si64): Ditto.
* config/i386/emmintrin.h (_mm_shuffle_pd): Ditto.
(_mm_extract_epi16): Ditto.
(_mm_insert_epi16): Ditto.
(_mm_shufflehi_epi16): Ditto.
(_mm_shufflelo_epi16): Ditto.
(_mm_shuffle_epi32): Ditto.
* config/i386/xmmintrin.h (_mm_set_ss): Use 0.0f for float constant.
* config/386/mm3dnow.h: Add __attribute__((__always_inline__)) to
all functions.
(_m_from_float): Add __extension__ to conversion. Use 0.0f for
float constant.
(_m_to_float): Use C89 compatible assignment.
testsuite/ChangeLog:
* gcc.target/i386/sse-vect-types.c: Revert 'Use "-msse"
instead of "-msse2".'
* gcc.target/i386/sse-12.c: Use "-march=k8 -m3dnow -mssse3 -msse4a"
instead of "-msse3". Include only ammintrin.h, tmmintrin.h
and mm3dnow.h.
* gcc.target/i386/sse-13.c (__builtin_ia32_extrqi): Redefine
to test with immediate operand.
(__builtin_ia32_insertqi): Ditto.
(__builtin_ia32_palignr128): Ditto.
(__builtin_ia32_palignr): Ditto.
(__builtin_ia32_pshufhw): Ditto.
(__builtin_ia32_pshuflw): Ditto.
(__builtin_ia32_pshufd): Ditto.
(__builtin_ia32_vec_set_v8hi): Ditto.
(__builtin_ia32_vec_ext_v8hi): Ditto.
(__builtin_ia32_shufpd): Ditto.
* gcc.target/i386/sse-14.c: Same changes as sse-13.c.
From-SVN: r124873
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2007-04-20 Martin Michlmayr <tbm@cyrius.com>
PR target/32007
* config/arm/lib1funcs.asm: Define __ARM_ARCH__ on v2/v3 machines.
From-SVN: r124871
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gcc/fortran:
2007-05-20 Daniel Franke <franke.daniel@gmail.com>
PR fortran/32001
* check.c (check_rest): Improved argument conformance check and
fixed error message generation.
gcc/testsuite:
2007-05-20 Daniel Franke <franke.daniel@gmail.org>
PR fortran/32001
* gfortran.dg/min_max_conformance.f90: Added more testcases.
From-SVN: r124869
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and sse-14.c))
PR target/31585
* gcc.target/i386/sse-vect-types.c: Do not redefine "static"
and "__inline". Use "-msse" instead of "-msse2".
From-SVN: r124868
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2006-05-20 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
PR middle-end/7651
* doc/invoke.texi (Wreturn-type): Complete description.
(Wextra): Delete item about return-type warning.
* c-decl.c: Delete redundant Wextra warning.
testsuite/
* gcc.dg/20030906-1.c: Replace Wextra with Wreturn-type.
* gcc.dg/20030906-2.c: Likewise.
* objc.dg/method-17.m: Add -Wreturn-type.
* obj-c++.dg/method-21.mm: Likewise.
From-SVN: r124866
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From-SVN: r124864
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and sse-14.c))
PR target/31585
* config/i386/pmmintrin.h: Do not include xmmintrin.h
* config/i386/xmmintrin.h (_mm_extract_pi16): Implement as always
inlined function, not as a macro.
(_mm_prefetch): Ditto.
(_m_pextrw): Ditto.
(_mm_insert_pi16): Ditto.
(_m_pinsrw): Ditto.
(_mm_shuffle_pi16): Ditto. Add const to __N argument.
(_m_pshufw): Ditto. Add const to __N argument.
(_mm_shufle_ps): Ditto. Add const to __mask argument.
* config/i386/emmintrin.h (_mm_slli_epi16): Add const to __B argument.
(_mm_slli_epi32): Ditto.
(_mm_srli_si128): Implement as always inlined function, not as a macro.
Add __inline to function declaration.
(_mm_slli_si128): Ditto.
testsuite/ChangeLog:
PR target/31585
* gcc.target/i386/sse-13.c: Use -mssse3 and -msse4a compile options.
(__builtin_ia32_psllwi128): Redefine to test with immediate operand.
(__builtin_ia32_psrlqi128): Ditto.
(__builtin_ia32_psrlwi128): Ditto.
(__builtin_ia32_psrldi128): Ditto.
(__builtin_ia32_psrldqi128): Ditto.
(__builtin_ia32_pslldqi128): Ditto.
(__builtin_ia32_psrawi128): Ditto.
(__builtin_ia32_psradi128): Ditto.
(__builtin_ia32_psllqi128): Ditto.
(__builtin_ia32_pslldi128): Ditto.
(__builtin_prefetch): Ditto.
(__builtin_ia32_pshufw): Ditto.
(__builtin_ia32_vec_set_v4hi): Ditto.
(__builtin_ia32_vec_ext_v4hi): Ditto.
(__builtin_ia32_shufps): Ditto.
* gcc.target/i386/sse-14.c: Same changes as sse-13.c.
From-SVN: r124861
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PR fortran/30820
* Make-lang.in: Remove use of -Wno-error for expr.o, resolve.o,
simplify.o and trans-common.o.
From-SVN: r124859
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PR fortran/31974
* trans-array.c (gfc_trans_auto_array_allocation): Avoid
multiplication of mismatched types.
* gfortran.dg/char_allocation_1.f90: New test.
From-SVN: r124858
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* config/i386/sfp-machine.h (FP_EX_INVALID, FP_EX_DENORM,
FP_EXP_DIVZERO, FP_EX_OVERFLOW, FP_EX_UNDERFLOW, FP_EX_INEXACT):
New constants.
(struct fenv): New structure.
(FP_HANDLE_EXCEPTIONS): New define.
(FP_RND_NEAREST, FP_RND_ZERO, FP_RND_PINF, FP_RND_MINF): New constants.
(_FP_DECL_EXP): New define.
(FP_INIT_ROUNDMODE): New define.
(FP_ROUNDMODE): New define.
From-SVN: r124857
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2007-05-19 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
* doc/invoke.texi (Warning Options): Add -Wconversion-sign.
(Wconversion): Update description.
(Wconversion-sign): New.
* c.opt (Wconversion-sign): New.
* c-opts.c (c_common_post_options): Uninitialized Wconversion-sign
means disabled for C++. Otherwise, take the status of Wconversion.
* c-common.c (conversion_warning): Warn with either Wconversion or
Wconversion-sign.
(warnings_for_convert_and_check): Conditions are already checked by
conversion_warning.
(convert_and_check): Don't check warnings if the conversion failed.
cp/
* cvt.c (cp_convert_and_check): Don't check warnings if the
conversion failed.
testsuite/
* gcc.dg/Wconversion-integer.c: Group testcases and add more.
* gcc.dg/Wconversion-sign.c: New.
* gcc.dg/Wconversion-integer-no-sign.c: New.
* g++.dg/warn/Wconversion-integer.C: Move some warnings to
Wconversion-sign.C
* g++.dg/warn/Wconversion-sign.C: New.
* g++.old-deja/g++.other/warn4.C: Update.
* g++.dg/warn/Wconversion1.C: Likewise.
From-SVN: r124856
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* config/avr/avr-protos.h (expand_prologue, expand_epilogue,
avr_epilogue_uses) : Add declaration.
* config/avr/predicates.md (avr_sp_immediate_operand): New predicate.
* config/avr/constraints.md (R): New constraint.
config/avr/avr.md (SREG_ADDR, UNSPEC_SEI, UNSPEC_CLI,
UNSPECV_PROLOGUE_SAVES, UNSPECV_EPILOGUE_RESTORES): New constants.
(*pop1, *pop2, *pop3, *pop4, *pop5): Combine into ...
(*addhi3_sp_R_pc2, *addhi3_sp_R_pc3): ... these patterns.
(*movhi_sp, popqi, pophi, enable_interrupt, disable_interrupt,
call_prologue_saves, epilogue_restores, return_from_epilogue,
return_from_main_epilogue, return_from_interrupt_epilogue,
return_from_naked_epilogue, prologue, epilogue): New patterns.
(jump): Handle symbol reference.
* config/avr/avr.c (out_adj_frame_ptr, out_set_stack_ptr,
avr_output_function_prologue, avr_output_function_epilogue): Remove
functions.
(avr_init_machine_status, expand_prologue, expand_epilogue,
avr_asm_function_end_prologue, avr_epilogue_uses,
avr_asm_function_begin_epilogue): New functions.
(prologue_size, epilogue_size, jump_tables_size): Remove global
variables.
(TARGET_ASM_FUNCTION_PROLOGUE, TARGET_ASM_FUNCTION_EPILOGUE): Remove.
(TARGET_ASM_FUNCTION_END_PROLOGUE): Define.
(TARGET_ASM_FUNCTION_BEGIN_EPILOGUE): Define.
(avr_override_options): Initialise init_machine_status.
(output_movhi): Handle all stack pointer loads.
(out_movqi_r_mr, out_movqi_mr_r): Handle SREG_ADDR address.
(avr_output_addr_vec_elt): Do not use variable jump_tables_size.
* config/avr/avr.h (AVR_2_BYTE_PC, AVR_3_BYTE_PC): New.
(EPILOGUE_USES) Redefine.
(machine_function) Declare.
Co-Authored-By: Anatoly Sokolov <aesok@dol.ru>
From-SVN: r124854
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gcc/
* config/mips/mips.c (mips_offset_within_alignment_p): Tweak comment.
Use a single return statement.
From-SVN: r124853
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PR middle-end/30250
* builtins.c (do_mpfr_lgamma_r): New.
(fold_builtin_2): Handle builtin gamma_r/lgamma_r.
* tree.h (CASE_FLT_FN_REENT): New.
testsuite:
* gcc.dg/torture/builtin-math-2.c: Add gamma_r/lgamma_r tests.
* gcc.dg/torture/builtin-math-4.c: Likewise.
From-SVN: r124849
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2007-05-18 Jerry DeLisle <jvdelisle@gcc.gnu.org>
PR libfortran/31964
* gfortran.fortran-torture/execute/intrinsic_bitops.f90: Update.
From-SVN: r124847
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From-SVN: r124843
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2007-05-18 Andrew Pinski <andrew_pinski@playstation.sony.com>
* gcc.dg/tree-ssa/forwprop-1.c: New testcase.
From-SVN: r124840
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2007-05-18 Geoffrey Keating <geoffk@apple.com>
* jcf-dump.c (HANDLE_MAGIC): Use 'unsigned long' for %lx.
(print_constant): Likewise.
Index: gcc/ChangeLog
2007-05-18 Geoffrey Keating <geoffk@apple.com>
* dwarf2out.c (print_die): Use '%ld' not '%lu' to print a 'long'.
(output_die): Use 'unsigned long' with %x.
* sched-vis.c (print_value): Use 'unsigned HOST_WIDE_INT' and
HOST_WIDE_INT_PRINT_HEX to print HOST_WIDE_INT.
* tree-dump.c (dump_pointer): Use 'unsigned long' for %lx.
Index: gcc/cp/ChangeLog
2007-05-18 Geoffrey Keating <geoffk@apple.com>
* mangle.c (write_real_cst): Use 'unsigned long' for %lx.
From-SVN: r124839
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From-SVN: r124837
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2007-05-18 H.J. Lu <hongjiu.lu@intel.com>
PR target/31989
PR target/31681
PR target/31666
* config/i386/i386.c (init_cumulative_args): Set maybe_vaarg to
true if function has no argument.
From-SVN: r124835
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* config/mips/mips.c (mips_offset_within_alignment_p): New.
(mips_symbolic_constant_p): Call it for TPREL and DTPREL symbols.
From-SVN: r124833
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* longlong.h (__x86_64__): Add definitions for add_ssaaaa,
sub_ddmmss, umul_ppmm, udiv_qrnnd, count_leading_zeros and
count_trailing_zeros.
(__i386__): Implement count_leading_zeros using __builtin_clz().
Implement count_trailing_zeros usign __builtin_ctz().
From-SVN: r124832
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2007-05-18 H.J. Lu <hongjiu.lu@intel.com>
PR target/31628
* gcc.target/i386/pr31628.c: New.
From-SVN: r124831
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2007-05-18 Daniel Franke <franke.daniel@gmail.com>
PR fortran/24633
* symbol.c (gfc_add_flavor): Add the NAME to error message if
available.
From-SVN: r124828
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gcc/
* config/i386/vxworks.h (ASM_PREFERRED_EH_DATA_FORMAT): Undefine.
From-SVN: r124827
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From-SVN: r124826
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PR rtl-optimization/31344
* expr.c (emit_move_change_mode): Change mode of push operands here.
testsuite/ChangeLog:
PR rtl-optimization/31344
* gcc.dg/pr31344.c: New test.
From-SVN: r124825
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./: PR tree-optimization/31953
* tree-vrp.c (set_value_range_to_value): Add equiv parameter.
Change all callers.
(set_value_range_to_null): Call set_value_range_to_value.
(extract_range_from_comparison): Likewise.
testsuite/:
PR tree-optimization/31953
* gcc.c-torture/compile/pr31953.c: New test.
From-SVN: r124823
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* toplev.c (print_version): Output GMP/MPFR version info.
From-SVN: r124822
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* builtins.c (CASE_MATHFN_REENT): New macro.
(mathfn_built_in): Use it.
* builtins.def (BUILT_IN_GAMMA_R, BUILT_IN_GAMMAF_R,
BUILT_IN_GAMMAL_R, BUILT_IN_LGAMMA_R, BUILT_IN_LGAMMAF_R,
BUILT_IN_LGAMMAL_R): New.
* doc/extend.texi: Document new builtins.
testsuite:
* gcc.dg/builtins-1.c: Test reentrant gamma functions.
From-SVN: r124821
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PR middle-end/31796
* builtins.c (do_mpfr_remquo): New.
(fold_builtin_2): Handle BUILT_IN_DREM/BUILT_IN_REMAINDER.
(fold_builtin_3): Handle BUILT_IN_REMQUO.
testsuite:
* gcc.dg/torture/builtin-math-2.c: Add tests for remquo, remainder
and drem.
* gcc.dg/torture/builtin-math-4.c: Likewise.
From-SVN: r124820
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PR middle-end/30251
* builtins.c (fold_builtin_1): Handle y0, y1.
(fold_builtin_2): Handle yn.
testsuite:
* gcc.dg/torture/builtin-math-2.c: Test y0, y1, yn.
* gcc.dg/torture/builtin-math-4.c: Likewise.
From-SVN: r124819
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PR middle-end/30251
* builtins.c (do_mpfr_bessel_n): New.
(fold_builtin_1): Handle BUILT_IN_J0 and BUILT_IN_J1.
(fold_builtin_2): Handle BUILT_IN_JN.
testsuite:
* gcc.dg/torture/builtin-math-4.c: New test.
From-SVN: r124818
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From-SVN: r124816
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PR target/31965
* config/i386/mingw32.h (_INTEGRAL_MAX_BITS): Define builtin as
TYPE_PRECISION (intmax_type_node).
From-SVN: r124813
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* gcc.target/powerpc/pr18096-1.c: Change dg-warning to dg-error.
* gcc.dg/cpp/include2.c: Ditto.
* gcc.dg/cpp/mac-dir-2.c: Ditto.
* gcc.dg/cpp/paste5.c: Ditto.
* gcc.dg/cpp/paste6.c: Ditto.
* gcc.dg/cpp/paste8.c: Ditto.
* gcc.dg/cpp/paste11.c: Ditto.
* gcc.dg/cpp/paste13.c: Ditto.
* gcc.dg/cpp/skipping2.c: Ditto.
* gcc.dg/reg-vol-struct-1.c: Ditto.
* gcc.dg/Wshadow-1.c: Ditto.
* gcc.dg/cpp/trad/comment.c: Ditto.
* gcc.dg/cpp/trad/literals-2.c: Change dg-error to dg-warning.
* gcc.dg/cpp/if-2.c: Ditto.
* gcc.dg/array-5.c: Ditto.
* gcc.dg/inline-15.c: Ditto.
* gcc.dg/pr27953.c: Ditto.
* gcc.dg/Wno-c++-compat.c: Ditto.
Co-Authored-By: Manuel López-Ibáñez <manu@gcc.gnu.org>
From-SVN: r124811
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compiling for spu-elf)
PR target/31850
* reload.c (subst_reloads): Remove checking.
From-SVN: r124810
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From-SVN: r124805
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* gcc.target/m68k/interrupt_thread-1.c,
gcc.target/m68k/interrupt_thread-2.c,
gcc.target/m68k/interrupt_thread-3.c: New.
* gcc.target/m68k/m68k.exp: Accept fido.
From-SVN: r124804
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PR rtl-optimization/31691
* combine.c (simplify_set): Build a new src pattern instead of
substituting its operands in the COMPARE case.
From-SVN: r124797
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gcc/fortran:
2007-05-15 Daniel Franke <franke.daniel@gmail.com>
PR fortran/31919
PR fortran/31929
PR fortran/31930
* intrinsic.c (check_specific): Check elemental intrinsics for
rank and shape.
(add_functions): Fixed dummy argument names of BESJN and BESYN.
Fixed elemental status of MCLOCK and MCLOCK8.
* check.c (check_rest): Added check for array conformance.
(gfc_check_merge): Removed check for array conformance.
(gfc_check_besn): Removed check for scalarity.
* intrinsic.texi (CSHIFT, EOSHIFT): Fixed typos.
(BESJN, BESYN): Clarified documentation.
gcc/testsuite:
2007-05-17 Daniel Franke <franke.daniel@gmail.com>
PR fortran/31919
* gfortran.dg/min_max_conformance.f90: New test.
From-SVN: r124794
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2007-05-17 Tobias Burnus <burnus@net-b.de>
* gfortran.texi (GFORTRAN_CONVERT_UNIT): Improve documentation.
From-SVN: r124788
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* tree-vrp.c (finalize_jump_threads): Do not care about dominance info.
(execute_vrp): Preserve loops through jump threading.
* tree-ssa-threadupdate.c (thread_single_edge,
dbds_continue_enumeration_p, determine_bb_domination_status,
thread_through_loop_header): New functions.
(create_edge_and_update_destination_phis,
create_edge_and_update_destination_phis): Set loops for the new blocks.
(prune_undesirable_thread_requests): Removed.
(redirect_edges): Do not pretend that redirect_edge_and_branch can
create new blocks.
(thread_block): Do not call prune_undesirable_thread_requests.
Update loops.
(mark_threaded_blocks): Select edges to thread here.
(thread_through_all_blocks): Take may_peel_loop_headers argument.
Thread edges through loop headers independently.
* cfgloopmanip.c (create_preheader, mfb_keep_just): Export.
* tree-pass.h (TODO_mark_first_instance): New.
(first_pass_instance): Declare.
* cfghooks.c (duplicate_block): Put the block to the original loop
if copy is not specified.
* tree-ssa-dom.c (tree_ssa_dominator_optimize): Preserve loops through
jump threading. Pass may_peel_loop_headers to
thread_through_all_blocks according to first_pass_instance.
* cfgloop.h (create_preheader): Declare.
* tree-flow.h (thread_through_all_blocks): Declaration changed.
* basic-block.h (mfb_keep_just, mfb_kj_edge): Declare.
* passes.c (first_pass_instance): New variable.
(next_pass_1): Set TODO_mark_first_instance.
(execute_todo): Set first_pass_instance.
* gcc.dg/tree-ssa/ssa-dom-thread-2.c: New test.
* gcc.dg/vect/vect-102.c, gcc.dg/vect/vect-103.c,
gcc.dg/vect/vect-104.c: Use more complex construction to prevent vectorizing.
* gcc.dg/tree-ssa/pr21559.c: Update outcome.
From-SVN: r124786
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From-SVN: r124785
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PR tree-optimization/24659
* optabs.h (enum optab_index): Add OTI_vec_unpacks_float_hi,
OTI_vec_unpacks_float_lo, OTI_vec_unpacku_float_hi,
OTI_vec_unpacku_float_lo, OTI_vec_pack_sfix_trunc and
OTI_vec_pack_ufix_trunc.
(vec_unpacks_float_hi_optab): Define new macro.
(vec_unpacks_float_lo_optab): Ditto.
(vec_unpacku_float_hi_optab): Ditto.
(vec_unpacku_float_lo_optab): Ditto.
(vec_pack_sfix_trunc_optab): Ditto.
(vec_pack_ufix_trunc_optab): Ditto.
* genopinit.c (optabs): Implement vec_unpack[s|u]_[hi|lo]_optab
and vec_pack_[s|u]fix_trunc_optab using
vec_unpack[s|u]_[hi\lo]_* and vec_pack_[u|s]fix_trunc_* patterns
* tree-vectorizer.c (supportable_widening_operation): Handle
FLOAT_EXPR and CONVERT_EXPR. Update comment.
(supportable_narrowing_operation): New function.
* tree-vectorizer.h (supportable_narrowing_operation): Prototype.
* tree-vect-transform.c (vectorizable_conversion): Handle
(nunits_in == nunits_out / 2) and (nunits_out == nunits_in / 2) cases.
(vect_gen_widened_results_half): Move before vectorizable_conversion.
(vectorizable_type_demotion): Call supportable_narrowing_operation()
to check for target support.
* optabs.c (optab_for_tree_code) Return vec_unpack[s|u]_float_hi_optab
for VEC_UNPACK_FLOAT_HI_EXPR, vec_unpack[s|u]_float_lo_optab
for VEC_UNPACK_FLOAT_LO_EXPR and vec_pack_[u|s]fix_trunc_optab
for VEC_PACK_FIX_TRUNC_EXPR.
(expand_binop): Special case mode of the result for
vec_pack_[u|s]fix_trunc_optab.
(init_optabs): Initialize vec_unpack[s|u]_[hi|lo]_optab and
vec_pack_[u|s]fix_trunc_optab.
* tree.def (VEC_UNPACK_FLOAT_HI_EXPR, VEC_UNPACK_FLOAT_LO_EXPR,
VEC_PACK_FIX_TRUNC_EXPR): New tree codes.
* tree-pretty-print.c (dump_generic_node): Handle
VEC_UNPACK_FLOAT_HI_EXPR, VEC_UNPACK_FLOAT_LO_EXPR and
VEC_PACK_FIX_TRUNC_EXPR.
(op_prio): Ditto.
* expr.c (expand_expr_real_1): Ditto.
* tree-inline.c (estimate_num_insns_1): Ditto.
* tree-vect-generic.c (expand_vector_operations_1): Ditto.
* config/i386/sse.md (vec_unpacks_float_hi_v8hi): New expander.
(vec_unpacks_float_lo_v8hi): Ditto.
(vec_unpacku_float_hi_v8hi): Ditto.
(vec_unpacku_float_lo_v8hi): Ditto.
(vec_unpacks_float_hi_v4si): Ditto.
(vec_unpacks_float_lo_v4si): Ditto.
(vec_pack_sfix_trunc_v2df): Ditto.
* doc/c-tree.texi (Expression trees) [VEC_UNPACK_FLOAT_HI_EXPR]:
Document.
[VEC_UNPACK_FLOAT_LO_EXPR]: Ditto.
[VEC_PACK_FIX_TRUNC_EXPR]: Ditto.
* doc/md.texi (Standard Names) [vec_pack_sfix_trunc]: Document.
[vec_pack_ufix_trunc]: Ditto.
[vec_unpacks_float_hi]: Ditto.
[vec_unpacks_float_lo]: Ditto.
[vec_unpacku_float_hi]: Ditto.
[vec_unpacku_float_lo]: Ditto.
testsuite/ChangeLog:
PR tree-optimization/24659
* gcc.dg/vect/vect-floatint-conversion-2.c: New test.
* gcc.dg/vect/vect-intfloat-conversion-1.c: Require vect_float,
not vect_int target.
* gcc.dg/vect/vect-intfloat-conversion-2.c: Require vect_float,
not vect_int target. Loop is vectorized for vect_intfloat_cvt
targets.
* gcc.dg/vect/vect-intfloat-conversion-3.c: New test.
* gcc.dg/vect/vect-intfloat-conversion-4a.c: New test.
* gcc.dg/vect/vect-intfloat-conversion-4b.c: New test.
From-SVN: r124784
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From-SVN: r124781
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