* tree-ssa-loop-im.c: Include real.h.
(determine_invariantness_stmt): If real division divisor is
invariant and flag_unsafe_math_optimizations enabled, generate
invariant reciprocal for hoisting.
* Makefile.in (tree-ssa-loop-im.o): Add real.h dependency.
From-SVN: r97983
2005-04-11 Andrew Pinski <pinskia@physics.uc.edu>
* fold-const.c (fold_binary_op_with_conditional_arg):
use fold_buildN instead of "fold (buildN" in some
non obvious places.
(fold_unary): Likewise.
(fold_binary): Likewise.
From-SVN: r97980
2005-04-11 Daniel Berlin <dberlin@dberlin.org>
Fix PR tree-optimization/20612
* lambda-code.c (lambda_loopnest_to_gcc_loopnest): Fix increment
handling
(perfect_nestify): preheaderbb is *not* part of loop of the
old destination.
From-SVN: r97979
2005-04-11 Andrew Pinski <pinskia@physics.uc.edu>
* gcc.dg/tree-ssa/alias-1.c: New test.
2005-04-11 Andrew Pinski <pinskia@physics.uc.edu>
* tree-ssa-alias.c (may_alias_p): If the variable
is a global variable and the pointer is parameter
and -fargument-noalias-global is used, then
the pointer cannot alias the variable.
From-SVN: r97978
2005-04-11 James A. Morrison <phython@gcc.gnu.org>
* config/sparc/sparc.c: Use gcc_assert and gcc_unreachable.
* config/sparc/sparc.h: Likewise.
* config/sparc/sparc.md: Likewise.
From-SVN: r97976
PR tree-optimization/20920
* tree-pretty-print.c (dump_generic_node): Show '(ab)' if an
SSA_NAME flows through an abnormal edge.
* tree-vrp.c (infer_value_range): Ignore SSA names that flow
through abnormal edges.
(maybe_add_assert_expr): Likewise.
PR tree-optimization/20920
* g++.dg/tree-ssa/pr20920.C: New test.
From-SVN: r97971
2005-04-11 Paolo Bonzini <bonzini@gnu.org>
* tree-vect-analyze (vect_determine_vectorization_factor):
Do not use GET_MODE_NUNITS.
* tree-vect-transform.c (vect_get_vec_def_for_operand,
(vectorizable_load, vect_transform_loop): Likewise.
From-SVN: r97965
* match.c (match_arithmetic_if): Arithmetic IF is obsolete in
Fortran 95.
* gfortran.dg/pr17229.f: Take care of the new obsolescence
warning for arithmetic IF statements.
From-SVN: r97948
PR libfortran/20788
* runtime/environ.c (init_unsigned_integer): Function for
environment variables we want to be positive.
(init_integer): Function to allow negative environment
variables (e.g. for GFORTRAN_STDIN_UNIT).
From-SVN: r97946
* cselib.c (clear_table): Rename to cselib_clear_table.
* cselib.h (cselib_clear_table): Add prototype.
* gcse.c (gcse_main): Make 'f' argument unused.
(alloc_gcse_mem): Do not walk the insn chain, walk the contents
of each basic block instead.
(compute_sets, compute_hash_table_work): Likewise.
(constprop_register): Change int 'alter_jumps' argument to bool.
(do_local_cprop): Likewise.
(local_cprop_pass): Likewise. Also walk basic blocks instead of
the insn chain. Explicitly clear the cselib tables after finishing
one basic block. Make sure there are no unterminated libcall blocks.
Update compute_sets call.
(cprop): Walk basic blocks instead of the insn chain.
(one_cprop_pass, compute_ld_motion_mems, compute_store_table):
Likewise.
(bypass_jumps): Update alloc_gcse_mem, compute_sets, and
one_cprop_pass calls.
From-SVN: r97945
2005-04-10 Thomas Koenig <Thomas.Koenig@online.de>
PR libfortran/17992
PR libfortran/19568
PR libfortran/19595
PR libfortran/20005
PR libfortran/20092
PR libfortran/20131
PR libfortran/20138
PR libfortran/20661
PR libfortran/20744
* io/transfer.c (top level): eor_condition: New static variable.
(read_sf): Remove unnecessary zeroing of buffer (there is enough
information in its length).
Return a string of length 0 (to be padded by caller) if EOR was
seen previously.
Remove erroneous special casing of EOR for standard input.
Set eor_condition for non-advancing I/O if an end of line was
detected.
Increment ioparm.size if necessary.
(formatted_transfer): Skip the function if there is an EOR condition.
(data_transfer_init): Initialize eor_condition to zero (false).
(next_record_r): Clear sf_seen_eor if a \n has been seen already.
(finalize_transfer): If there is an EOR condition, raise the error.
2005-04-10 Thomas Koenig <Thomas.Koenig@online.de>
* eor_handling_1.f90: New test case.
* eor_handling_2.f90: New test case.
* eor_handling_3.f90: New test case.
* eor_handling_4.f90: New test case.
* eor_handling_5.f90: New test case.
* noadv_size.f90: New test case.
* pad_no.f90: New test case.
From-SVN: r97943
gcc/ChangeLog:
PR target/20126
* loop.c (loop_givs_rescan): If replacement of DEST_ADDR failed,
set the original address pseudo to the correct value before the
original insn, if possible, and leave the insn alone, otherwise
create a new pseudo, set it and replace it in the insn.
* recog.c (validate_change_maybe_volatile): New.
* recog.h (validate_change_maybe_volatile): Declare.
gcc/testsuite/ChangeLog:
* gcc.dg/pr20126.c: New.
From-SVN: r97939
PR fortran/19872
* io/transfer.c (data_transfer_init): truncate an existing
file on the first write.
Co-Authored-By: Steven G. Kargl <kargls@comcast.net>
From-SVN: r97937
2005-04-09 Thomas Koenig <Thomas.Koenig@online.de>
PR libfortran/20163
* runtime/string.c (compare0): Use fstrlen() to
strip trailing blanks from option string.
From-SVN: r97923
* tree.h (enum tree_index): Add TI_VA_LIST_GPR_COUNTER_FIELD
and TI_VA_LIST_FPR_COUNTER_FIELD.
(va_list_gpr_counter_field, va_list_fpr_counter_field): Define.
* tree-pass.h (pass_stdarg): Add.
* tree-optimize.c (init_tree_optimization_passes): Add pass_stdarg.
* tree-stdarg.c: New file.
* tree-stdarg.h: New file.
* Makefile.in (OBJS-common): Add tree-stdarg.o.
(tree-stdarg.o): Add dependencies.
* function.h (struct function): Add va_list_gpr_size and
va_list_fpr_size fields.
* function.c (allocate_struct_function): Initialize them.
* target.h (struct gcc_target): Add stdarg_optimize_hook.
* target-def.h (TARGET_STDARG_OPTIMIZE_HOOK): Define.
(TARGET_INITIALIZER): Add it.
* config/i386/i386.c (ix86_build_builtin_va_list): Initialize
va_list_{g,f}pr_counter_field.
(ix86_setup_incoming_varargs): Don't do anything if reg_save
area will not be used. Only save registers that tree-stdarg.c
detected they need saving.
(ix86_va_start): Don't set up fields that won't be used.
* config/rs6000/rs6000.c (rs6000_build_builtin_va_list): Initialize
va_list_{g,f}pr_counter_field.
(setup_incoming_varargs): Don't do anything if reg_save
area will not be used. Only save registers that tree-stdarg.c
detected they need saving.
(rs6000_va_start): Don't set up fields that won't be used.
* config/alpha/alpha.c: Include tree-flow.h and tree-stdarg.h.
(alpha_build_builtin_va_list): Initialize va_list_gpr_counter_field.
(va_list_skip_additions, alpha_stdarg_optimize_hook): New functions.
(TARGET_STDARG_OPTIMIZE_HOOK): Define.
* gcc.dg/tree-ssa/stdarg-1.c: New test.
* gcc.dg/tree-ssa/stdarg-2.c: New test.
* gcc.dg/tree-ssa/stdarg-3.c: New test.
* gcc.dg/tree-ssa/stdarg-4.c: New test.
* gcc.dg/tree-ssa/stdarg-5.c: New test.
* gcc.c-torture/execute/stdarg-4.c: New test.
* gcc.dg/vmx/varargs-1.c (f1, f2, f3): Add missing va_end.
From-SVN: r97916
PR target/20795
* config/i386/i386.c (construct_container): Pass empty aligned
struct, union or class in memory.
* g++.dg/abi/param2.C: New test.
From-SVN: r97912
Kaveh R. Ghazi
David Edelsohn
Daniel Berlin
Devang Patel
Andrew Pinski
James A. Morrison
Kazu Hirata
Diego Novillo
Richard Sandiford
Paolo Bonzini
Uros Bizjak
John David Anglin
GCC Administrator
Mark Mitchell
Francois-Xavier Coudert
François-Xavier Coudert
Steven Bosscher
Thomas Koenig
Thomas Koenig
Alexandre Oliva
Steven G. Kargl
Bud Davis
Steven G. Kargl
Caroline Tice
Benjamin Kosnik
Andrew Pinski
Jakub Jelinek