* 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* match.c (match_arithmetic_if): Arithmetic IF is obsolete in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
