2007-03-19 Andreas Krebbel <krebbel1@de.ibm.com>
* config/s390/s390.opt ("mhard-float", "msoft-float"): Bit value
inverted and documentation adjusted.
("mhard-dfp", "msoft-dfp"): New options.
* config/s390/s390.c (s390_handle_arch_option): New architecture
switch: z9-ec.
(override_options): Sanity checks for the new options added.
* config.gcc: New architecture switch: z9-ec.
* config/s390/s390.h (processor_flags): PF_DFP added.
(TARGET_CPU_DFP, TARGET_DFP): Macro definitions added.
(TARGET_DEFAULT): Due to the s390.opt changes hard float is enabled
when the bit is NOT set so remove it from the defaults.
From-SVN: r123055
2007-03-19 Andreas Krebbel <krebbel1@de.ibm.com>
* genemit.c (main): Print include statement for dfp.h.
* dfp.h (decimal_real_arithmetic): Hide prototype if tree_code enum
is not available.
From-SVN: r123054
* pa.md: Add fpstore_load and store_fpload instruction types. Provide
reservation, bypass and anti-bypass descriptions for these instructions.
Update move patterns.
* pa.c (hppa_fpstore_bypass_p): Check for both TYPE_FPSTORE_LOAD and
TYPE_FPSTORE.
From-SVN: r123041
2007-03-16 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
* doc/invoke.texi (-Wconversion): Document warnings specific to C++.
* c-common.c (convert_and_check): Move warning logic to...
(warnings_for_convert_and_check): ...here. Define.
* c-common.h (warnings_for_convert_and_check): Declare.
cp/
* cvt.c (cp_convert_and_check) : Define.
* cp-tree.h (cp_convert_and_check): Declare.
* call.c (convert_conversion_warnings): Rename to
conversion_null_warnings. The warning for floating-point to
integer is handled by convert_and_check in convert_like_real.
(convert_like_real): convert_conversion_warnings was renamed as
conversion_null_warnings.
* typeck.c (build_binary_op): Use cp_convert_and_check to warn for
overflow and changes of value during conversion.
testsuite/
* g++.dg/warn/Wconversion-integer.C: New
* g++.dg/warn/Wconversion-real.C: New.
* g++.dg/warn/Wconversion-real-integer.C: New.
* g++.dg/warn/conv2.C: Updated.
From-SVN: r123005
PR tree-optimization/31183
* tree-loop-linear.c (gather_interchange_stats, try_interchange_loops):
Use double_int instead of unsigned int for representing access_strides.
* testsuite/gcc.dg/tree-ssa/pr31183.c: New.
From-SVN: r122988
2007-03-16 Richard Guenther <rguenther@suse.de>
PR tree-optimization/31146
* tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Restructure
to allow recursion of forward_propagate_addr_expr.
(forward_propagate_addr_into_variable_array_index): Likewise.
(forward_propagate_addr_expr): Likewise.
(tree_ssa_forward_propagate_single_use_vars): Likewise.
(forward_propagate_addr_expr_1): Recurse on simple copies
instead of propagating into them. Do so for useless conversions
as well.
(forward_propagate_addr_expr): Clean up unused statements after
recursion.
* g++.dg/tree-ssa/pr31146.C: New testcase.
From-SVN: r122985
2007-03-16 Richard Guenther <rguenther@suse.de>
* builtins.c (expand_builtin_cexpi): Use the right argument
for the expansion via cexp.
From-SVN: r122982
* tree-ssa-loop-niter.c (record_estimate): Add "upper" argument.
Update constant estimates of number of iterations.
(record_nonwrapping_iv): Add "upper" argument. "data_size_bounds_p"
argument renamed to "realistic".
(compute_estimated_nb_iterations): Removed.
(record_niter_bound): New function.
(idx_infer_loop_bounds): For possible but unlikely tail arrays,
call record_nonwrapping_iv with upper = false.
(infer_loop_bounds_from_signedness): Pass upper argument to
record_nonwrapping_iv.
(estimate_numbers_of_iterations_loop): Do not call
compute_estimated_nb_iterations. Record estimate based on profile
information. Initialize the constant estimates of number of
iterations.
* tree-data-ref.c (estimated_loop_iterations): Return the recorded
estimates.
* tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Add dump when
number of iterations is too small.
* cfgloop.h (struct nb_iter_bound): Remove "realistic" field.
(EST_NOT_AVAILABLE): Removed.
(struct loop): Replace estimated_nb_iterations by any_upper_bound,
nb_iterations_upper_bound, any_estimate and nb_iterations_estimate
fields.
* gcc.dg/tree-ssa/prefetch-5.c: New test.
From-SVN: r122969
2007-03-15 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
PR c++/24924
* c-opts.c (c_common_post_options): Handle C++ post-processing here.
Set also -pedantic-errors by default for the preprocessor unless
-fpermissive is given.
cp/
* decl.c (cxx_init_decl_processing): Move command-line options
processing to c-opts.c.
testsuite/
* g++.dg/cpp/pedantic-errors.C: New.
* g++.dg/cpp/permissive.C: New.
From-SVN: r122961
2007-03-15 Richard Guenther <rguenther@suse.de>
PR middle-end/29719
PR middle-end/31161
* builtins.c (expand_builtin_int_roundingfn): Always fall
back to floor/ceil and its variants even if they may be
not available.
(expand_builtin_cexpi): As a fallback if we
don't have builtins for sincos or cexp create a function
declaration for cexp and expand to a call to that.
From-SVN: r122958
* cfglayout.c (fixup_reorder_chain): Postpone deleting dead
jump tables, move the call to delete_dead_jumptables from here...
(cfg_layout_finalize): ...to here. But rebuild jump labels first.
* cfgrtl.c (cfg_layout_can_merge_blocks_p): When not optimizing,
don't allow merging of blocks that try_redirect_by_replacing_jump
also does not handle when not optimizing.
From-SVN: r122957
* tree-loop-linear.c (gather_interchange_stats): For multidimensional
arrays, multiply the access strides by the size of the sub-array.
* testsuite/gcc.dg/tree-ssa/ltrans-5.c: New.
From-SVN: r122935
gcc/
200x-xx-xx Richard Sandiford <richard@codesourcery.com>
Phil Edwards <phil@codesourcery.com>
* gthr-vxworks.h: Add an extern "C" wrapper for C++.
(__gthread_once_t): Remove busy field for RTPs.
(__GTHREAD_ONCE_INIT): Update accordingly.
Co-Authored-By: Phil Edwards <phil@codesourcery.com>
From-SVN: r122923
2007-03-13 Seongbae Park <seongbae.park@gmail.com>
PR tree-optimization/30590
* tree-nrv.c (tree_nrv): Check for the partial update of the
return value.
From-SVN: r122909
gcc/ChangeLog:
PR middle-end/31127
* cse.c (cse_find_path): Do not bail out if a basic block that
we already visited now becomes part of a path that starts at a
different basic block. Just disallow this, to make sure we
visit each basic block at most once.
gcc/testsuite/ChangeLog:
PR middle-end/31127
* gcc.dg/pr31127.c: New.
From-SVN: r122900
* ipa-inline.c (cgraph_maybe_hot_edge_p): Look for hot/cold attributes,
when profile esitmate is present, calls with very low frequency are
cold.
From-SVN: r122898
PR tree-optimization/30730
PR tree-optimization/26900
* tree-ssa-loop-niter.c: Include gmp.h.
(bounds): New type.
(mpz_set_double_int, get_type_bounds, mpz_to_double_int,
split_to_var_and_offset, determine_value_range,
bound_difference_of_offsetted_base, refine_bounds_using_guard,
bound_difference, bounds_add, bounds_negate,
number_of_iterations_ne_max, dump_affine_iv): New functions.
(number_of_iterations_ne, number_of_iterations_lt_to_ne,
assert_loop_rolls_lt, assert_loop_rolls_le): Use bounds on the
difference of initial and final value of control iv to validate
results.
(number_of_iterations_cond): Add loop parameter. Determine bounds
on the difference of the extremes of the control iv. Add dumps.
(expand_simple_operations): Handle phi nodes.
(simplify_using_initial_conditions): Do not record used conditions.
(number_of_iterations_exit): Pass loop to number_of_iterations_cond.
Do not set additional_info.
(implies_nonnegative_p, implies_ge_p): Removed.
(derive_constant_upper_bound): Do not use parameter `additional'.
(record_estimate): Parameter `additional' removed. Parameter
`i_bound' added. Do not call derive_constant_upper_bound.
(record_nonwrapping_iv): Use derive_constant_upper_bound to
bound the number of iterations estimate.
(estimate_numbers_of_iterations_loop): Pass the estimate from
the number of iterations analysis to record_estimate.
* tree.h (multiple_of_p): Declare.
* tree-scalar-evolution.c (expression_expensive_p): Removed.
(scev_const_prop): Do not check expression_expensive_p.
* fold-const.c (multiple_of_p): Exported.
* double-int.c (double_int_mask): Exported.
* double-int.h (double_int_mask): Declare.
* tree-flow.h (struct tree_niter_desc): Removed additional_info
field. Added max field.
* gcc.dg/tree-ssa/loop-26.c: New test.
From-SVN: r122896
2007-03-13 David Taylor <taylor@candd.org>
PR driver/12448:
* gcc.c (cpp_unique_options): If -MT or -MQ is seen, don't pass
default -MQ.
From-SVN: r122889