2006-12-21 Paul Thomas <pault@gcc.gnu.org>
PR fortran/30273
* dependency.c (gfc_check_dependency): There is no dependency
with EXPR_NULL so always return 0.
2006-12-21 Paul Thomas <pault@gcc.gnu.org>
PR fortran/30273
* gfortran.dg/dependency_19.f90: New test.
From-SVN: r120117
2006-12-17 Roger Sayle <roger@eyesopen.com>
Steven G. Kargl <kargl@gcc.gnu.org>
PR fortran/30207
* dependency.c (gfc_full_array_ref_p): New function to test whether
the given array ref specifies the entire array.
(gfc_dep_resolver): Use gfc_full_array_ref_p to analyze AR_FULL
array refs against AR_SECTION array refs, and vice versa.
* dependency.h (gfc_full_array_ref_p): Prototype here.
* trans-array.c (gfc_conv_expr_descriptor): Use gfc_full_array_ref_p.
* gfortran.fortran-torture/execute/where21.f90: New test.
From-SVN: r119990
2006-05-21 Paul Thomas <pault@gcc.gnu.org>
PR fortran/25746
* interface.c (gfc_extend_assign): Use new code EXEC_ASSIGN_CALL.
* gfortran.h : Put EXEC_ASSIGN_CALL in enum.
* trans-stmt.c (gfc_conv_elemental_dependencies): New function.
(gfc_trans_call): Call it. Add new boolian argument to flag
need for dependency checking. Assert intent OUT and IN for arg1
and arg2.
(gfc_trans_forall_1): Use new code EXEC_ASSIGN_CALL.
trans-stmt.h : Modify prototype of gfc_trans_call.
trans.c (gfc_trans_code): Add call for EXEC_ASSIGN_CALL.
st.c (gfc_free_statement): Free actual for EXEC_ASSIGN_CALL.
* dependency.c (gfc_check_fncall_dependency): Don't check other
against itself.
PR fortran/25090
* resolve.c : Remove resolving_index_expr.
(entry_parameter): Remove.
(gfc_resolve_expr, resolve_charlen, resolve_fl_variable): Remove
calls to entry_parameter and references to resolving_index_expr.
PR fortran/27584
* check.c (gfc_check_associated): Replace NULL assert with an
error message, since it is possible to generate bad code that
has us fall through to here..
PR fortran/19015
* iresolve.c (maxloc, minloc): If DIM is not present, pass the
rank of ARRAY as the shape of the result. Otherwise, pass the
shape of ARRAY, less the dimension DIM.
(maxval, minval): The same, when DIM is present, otherwise no
change.
2006-05-21 Paul Thomas <pault@gcc.gnu.org>
PR fortran/25746
* gfortran.dg/elemental_subroutine_3.f90: New test.
PR fortran/25090
* gfortran.dg/entry_dummy_ref_1.f90: Remove.
PR fortran/27584
* gfortran.dg/associated_target_1.f90: New test.
PR fortran/19015
* gfortran.dg/maxloc_shape_1.f90: New test.
From-SVN: r113949
* dependency.c (gfc_dep_compare_expr): Strip parentheses and unary
plus operators when comparing expressions. Handle comparisons of
the form "X+C vs. X", "X vs. X+C", "X-C vs. X" and "X vs. X-C" where
C is an integer constant. Handle comparisons of the form "P+Q vs.
R+S" and "P-Q vs. R-S". Handle comparisons of integral extensions
specially (increasing functions) so extend(A) > extend(B), when A>B.
(gfc_check_element_vs_element): Move test later, so that we ignore
the fact that "A < B" or "A > B" when A or B contains a forall index.
* gfortran.dg/dependency_14.f90: New test case.
* gfortran.dg/dependency_15.f90: Likewise.
* gfortran.dg/dependency_16.f90: Likewise.
From-SVN: r112605
* dependency.c (gfc_check_dependency): Improve handling of pointers;
Two variables of different types can't have a dependency, and two
variables with the same symbol are equal, even if pointers.
* gfortran.dg/dependency_12.f90: New test case.
From-SVN: r112377
* gfortran.h (gfc_symbol): Add a new "forall_index" bit field.
* match.c (match_forall_iterator): Set forall_index field on
the iteration variable's symbol.
* dependency.c (contains_forall_index_p): New function to
traverse a gfc_expr to check whether it contains a variable
with forall_index set in it's symbol.
(gfc_check_element_vs_element): Return GFC_DEP_EQUAL for scalar
constant expressions that don't variables used as FORALL indices.
* gfortran.dg/dependency_9.f90: New (resurected) test case.
From-SVN: r112373
* gfortran.h (gfc_equiv_info): Add length field.
* trans-common.c (copy_equiv_list_to_ns): Set the length field.
* dependency.c (gfc_are_equivalenced_arrays): Use both the offset
and length fields to determine whether the two equivalenced symbols
overlap in memory.
* gfortran.dg/dependency_13.f90: New test case.
From-SVN: r112162
* dependency.c (gfc_dep_compare_expr) <EXPR_OP>: Allow unary and
binary operators to compare equal if their operands are equal.
<EXPR_FUNCTION>: Allow "constant" intrinsic conversion functions
to compare equal, if their operands are equal.
* gfortran.dg/dependency_10.f90: New test case.
* gfortran.dg/dependency_11.f90: Likewise.
From-SVN: r111970
* dependency.c (gfc_check_element_vs_element): Consider two
unordered scalar subscripts as (potentially) equal.
* gfortran.dg/dependency_9.f90: New test case.
From-SVN: r111687
* dependency.c (gfc_check_dependency): Call gfc_dep_resolver to
check whether two array references have a dependency.
(gfc_check_element_vs_element): Assume lref and rref must be
REF_ARRAYs. If gfc_dep_compare_expr returns -2, assume these
references could potentially overlap.
(gfc_dep_resolver): Whitespace and comment tweaks. Assume a
dependency if the references have different depths. Rewrite
final term to clarrify we only have a dependency for overlaps.
* gfortran.dg/dependency_4.f90: New test case.
* gfortran.dg/dependency_5.f90: New test case.
* gfortran.dg/dependency_6.f90: New test case.
* gfortran.dg/dependency_7.f90: New test case.
* gfortran.dg/dependency_8.f90: New test case.
From-SVN: r111686
2006-03-01 Paul Thomas <pault@gcc.gnu.org>
* iresolve.c (gfc_resolve_dot_product): Remove any difference in
treatment of logical types.
* trans-intrinsic.c (gfc_conv_intrinsic_dot_product): New function.
PR fortran/26393
* trans-decl.c (gfc_get_symbol_decl): Extend condition that symbols
must be referenced to include unreferenced symbols in an interface
body.
PR fortran/20938
* trans-array.c (gfc_conv_resolve_dependencies): Add call to
gfc_are_equivalenced_arrays.
* symbol.c (gfc_free_equiv_infos, gfc_free_equiv_lists): New
functions. (gfc_free_namespace): Call them.
* trans-common.c (copy_equiv_list_to_ns): New function.
(add_equivalences): Call it.
* gfortran.h: Add equiv_lists to gfc_namespace and define
gfc_equiv_list and gfc_equiv_info.
* dependency.c (gfc_are_equivalenced_arrays): New function.
(gfc_check_dependency): Call it.
* dependency.h: Prototype for gfc_are_equivalenced_arrays.
2006-03-01 Paul Thomas <pault@gcc.gnu.org>
* gfortran.dg/logical_dot_product.f90: New test.
PR fortran/26393
* gfortran.dg/used_interface_ref.f90: New test.
PR fortran/20938
* gfortran.dg/dependency_2.f90: New test.
* gfortran.fortran-torture/execute/where17.f90: New test.
* gfortran.fortran-torture/execute/where18.f90: New test.
* gfortran.fortran-torture/execute/where19.f90: New test.
* gfortran.fortran-torture/execute/where20.f90: New test.
From-SVN: r111616
2006-02-24 Paul Thomas <pault@gcc.gnu.org>
PR fortran/24519
* dependency.c (gfc_is_same_range): Correct typo.
(gfc_check_section_vs_section): Call gfc_is_same_range.
PR fortran/25395
* trans-common.c (add_equivalences): Add a new flag that is set when
an equivalence is seen that prevents more from being reset until the
start of a new traversal of the list, thus ensuring completion of
all the equivalences.
2006-02-24 Paul Thomas <pault@gcc.gnu.org>
PR fortran/24519
* gfortran.dg/dependency_3.f90: New test.
* gfortran.fortran-torture/execute/vect-3.f90: Remove two of the
XFAILs.
PR fortran/25395
* gfortran.dg/equiv_6.f90: New test.
From-SVN: r111416
* dependency.c (gfc_check_dependency): Remove unused vars and nvars
arguments. Replace with an "identical" argument. A full array
reference to the same symbol is a dependency if identical is true.
* dependency.h (gfc_check_dependency): Update prototype.
* trans-array.h (gfc_check_dependency): Delete duplicate prototype.
* trans-stmt.c: #include dependency.h for gfc_check_dependency.
(gfc_trans_forall_1): Update calls to gfc_check_dependency.
(gfc_trans_where_2): Likewise. Remove unneeded variables.
(gfc_trans_where_3): New function for simple non-dependent WHEREs.
(gfc_trans_where): Call gfc_trans_where_3 to translate simple
F90-style WHERE statements without internal dependencies.
* Make-lang.in (trans-stmt.o): Depend upon dependency.h.
From-SVN: r110625
gcc/fortran/
* Make-lang.in (fortran/trans-resolve.o): Depend on
fortran/dependency.h.
* gfortran.h (gfc_expr): Add an "inline_noncopying_intrinsic" flag.
* dependency.h (gfc_get_noncopying_intrinsic_argument): Declare.
(gfc_check_fncall_dependency): Change prototype.
* dependency.c (gfc_get_noncopying_intrinsic_argument): New function.
(gfc_check_argument_var_dependency): New function, split from
gfc_check_fncall_dependency.
(gfc_check_argument_dependency): New function.
(gfc_check_fncall_dependency): Replace the expression parameter with
separate symbol and argument list parameters. Generalize the function
to handle dependencies for any type of expression, not just variables.
Accept a further argument giving the intent of the expression being
tested. Ignore intent(in) arguments if that expression is also
intent(in).
* resolve.c: Include dependency.h.
(find_noncopying_intrinsics): New function.
(resolve_function, resolve_call): Call it on success.
* trans-array.h (gfc_conv_array_transpose): Declare.
(gfc_check_fncall_dependency): Remove prototype.
* trans-array.c (gfc_conv_array_transpose): New function.
* trans-intrinsic.c (gfc_conv_intrinsic_function): Don't use the
libcall handling if the expression is to be evaluated inline.
Add a case for handling inline transpose()s.
* trans-expr.c (gfc_trans_arrayfunc_assign): Adjust for the new
interface provided by gfc_check_fncall_dependency.
libgfortran/
* m4/matmul.m4: Use a different order in the special case of a
transposed first argument.
* generated/matmul_c4.c, generated/matmul_c8.c, generated/matmul_c10.c,
* generated/matmul_c16.c, generated/matmul_i4.c, generated/matmul_i8.c,
* generated/matmul_i10.c, generated/matmul_r4.c, generated/matmul_r8.c
* generated/matmul_r10.c, generated/matmul_r16.c: Regenerated.
Co-Authored-By: Victor Leikehman <LEI@il.ibm.com>
From-SVN: r108459
PR fortran/19239
* Makefile.in (fortran/trans-expr.o): Depend on dependency.h.
* dependency.h (gfc_ref_needs_temporary_p): Declare.
* dependency.c (gfc_ref_needs_temporary_p): New function.
(gfc_check_fncall_dependency): Use it instead of inlined check.
By so doing, take advantage of the fact that character substrings
within an array reference also need a temporary.
* trans.h (GFC_SS_VECTOR): Adjust comment.
* trans-array.c (gfc_free_ss): Remove GFC_SS_VECTOR case.
(gfc_set_vector_loop_bounds): New function.
(gfc_add_loop_ss_code): Call it after evaluating the subscripts of
a GFC_SS_SECTION. Deal with the GFC_SS_VECTOR case by evaluating
the vector expression and caching its descriptor for use within
the loop.
(gfc_conv_array_index_ref, gfc_conv_vector_array_index): Delete.
(gfc_conv_array_index_offset): Handle scalar, vector and range
dimensions as separate cases of a switch statement. In the vector
case, use the loop variable to calculate a vector index and use the
referenced element as the dimension's index. Perform bounds checking
on this final index.
(gfc_conv_section_upper_bound): Return null for vector indexes.
(gfc_conv_section_startstride): Give vector indexes a start value
of 0 and a stride of 1.
(gfc_conv_ss_startstride): Adjust for new GFC_SS_VECTOR representation.
(gfc_conv_expr_descriptor): Expand comments. Generalize the
handling of the !want_pointer && !direct_byref case. Use
gfc_ref_needs_temporary_p to decide whether the variable case
needs a temporary.
(gfc_walk_variable_expr): Handle DIMEN_VECTOR by creating a
GFC_SS_VECTOR index.
* trans-expr.c: Include dependency.h.
(gfc_trans_arrayfunc_assign): Fail if the target needs a temporary.
2005-09-09 Richard Sandiford <richard@codesourcery.com>
PR fortran/21104
* trans.h (gfc_interface_sym_mapping, gfc_interface_mapping): Moved
from trans-expr.c.
(gfc_init_interface_mapping, gfc_free_interface_mapping)
(gfc_add_interface_mapping, gfc_finish_interface_mapping)
(gfc_apply_interface_mapping): Declare.
* trans-array.h (gfc_set_loop_bounds_from_array_spec): Declare.
(gfc_trans_allocate_temp_array): Add pre and post block arguments.
* trans-array.c (gfc_set_loop_bounds_from_array_spec): New function.
(gfc_trans_allocate_array_storage): Replace loop argument with
separate pre and post blocks.
(gfc_trans_allocate_temp_array): Add pre and post block arguments.
Update call to gfc_trans_allocate_array_storage.
(gfc_trans_array_constructor, gfc_conv_loop_setup): Adjust for new
interface to gfc_trans_allocate_temp_array.
* trans-expr.c (gfc_interface_sym_mapping, gfc_interface_mapping):
Moved to trans.h.
(gfc_init_interface_mapping, gfc_free_interface_mapping)
(gfc_add_interface_mapping, gfc_finish_interface_mapping)
(gfc_apply_interface_mapping): Make extern.
(gfc_conv_function_call): Build an interface mapping for array
return values too. Call gfc_set_loop_bounds_from_array_spec.
Adjust call to gfc_trans_allocate_temp_array so that code is
added to SE rather than LOOP.
From-SVN: r104077
