PR tree-optimization/36648
* tree-vect-transform.c (vect_do_peeling_for_loop_bound): Divide
number of prolog iterations by step. Fix the comment.
From-SVN: r137272
2008-06-28 Jerry DeLisle <jvdelisle@gcc.gnu.org>
PR fortran/36657
* io/list_read.c (read_character): Check for '!' along with separators.
(find_nml_name): Likewise and eat the comment if found.
From-SVN: r137236
2008-06-28 Daniel Kraft <d@domob.eu>
* gfc-internals.texi (section gfc_code): Extended documentation about
gfc_code in the internal datastructures chapter including details about
how IF, DO and SELECT blocks look like and an example for how the
block-chaining works.
From-SVN: r137226
libjava/
2008-06-28 Matthias Klose <doko@ubuntu.com>
Import GNU Classpath (classpath-0_97_2-release).
* Regenerate class and header files.
* Regenerate auto* files.
* gcj/javaprims.h: Define jobjectRefType.
* jni.cc (_Jv_JNI_GetObjectRefType): New (stub only).
(_Jv_JNIFunctions): Initialize GetObjectRefType.
* gnu/classpath/jdwp/VMVirtualMachine.java,
java/security/VMSecureRandom.java: Merge from classpath.
* HACKING: Fix typo.
* ChangeLog-2007: New file.
* configure.ac: Set JAVAC, pass --disable-regen-headers to classpath.
libjava/classpath/
2008-06-28 Matthias Klose <doko@ubuntu.com>
* m4/ac_prog_javac.m4: Disable check for JAVAC, when
not configured with --enable-java-maintainer-mode.
* aclocal.m4, configure: Regenerate.
* native/jni/gstreamer-peer/Makefile.am: Do not link with
libclasspathnative.
* native/jni/gstreamer-peer/Makefile.in: Regenerate.
* tools/Makefile.am, lib/Makefile.am: Use JAVAC for setting
JCOMPILER, drop flags not understood by gcj.
From-SVN: r137223
2008-06-28 Richard Guenther <rguenther@suse.de>
* tree-ssa-structalias.c (callused_id, var_callused,
callused_tree): Add.
(handle_pure_call): New function.
(find_func_aliases): Call it.
(find_what_p_points_to): Handle the call-used set.
(clobber_what_escaped): Likewise.
(compute_call_used_vars): New function.
(init_base_vars): Init the call-used variable.
(do_sd_constraint): Do not propagate the solution from CALLUSED
but use CALLUSED as a placeholder.
(solve_graph): Likewise.
* tree-flow-inline.h (gimple_call_used_vars): New function.
* tree-flow.h (struct gimple_df): Add call_used_vars bitmap.
(compute_call_used_vars): Declare.
* tree-ssa-alias.c (set_initial_properties): Call
compute_call_used_vars.
(reset_alias_info): Clear call-used variables.
(add_call_clobber_ops): Assert we are not called for const/pure
functions. Remove handling of them.
(add_call_read_ops): Handle pure functions by adding the
call-used set of variables as VUSEs.
* tree-ssa.c (init_tree_ssa): Allocate call-used bitmap.
(delete_tree_ssa): Free it.
* tree-dfa.c (remove_referenced_var): Clear the var from the
call-used bitmap.
* gcc.dg/tree-ssa/pr24287.c: Remove XFAIL.
From-SVN: r137222
gcc/
* optabs.c (libfunc_decls): New variable.
(libfunc_decl_hash, libfunc_decl_eq): New functions.
(init_one_libfunc): Reuse decls and SYMBOL_REFs when asked
for the same function twice.
From-SVN: r137215
PR c++/36364
* repo.c (repo_emit_p): Put const static data members initialized
by const expr into *.rpo file, just return 2 if IDENTIFIER_REPO_CHOSEN
for it is 0.
* g++.dg/template/repo9.C: New test.
From-SVN: r137205
2008-06-27 Richard Guenther <rguenther@suse.de>
PR tree-optimization/36400
PR tree-optimization/36373
PR tree-optimization/36344
* tree-ssa-structalias.c (var_escaped, escaped_tree, escaped_id,
var_nonlocal, nonlocal_tree, nonlocal_id): New globals
(update_alias_info): Remove call clobbering code.
(make_constraint_to): New helper function.
(make_escape_constraint): Likewise.
(handle_rhs_call): Use it on all pointer containing arguments.
Also mark the static chain escaped.
(handle_lhs_call): Make constraints from NONLOCAL and ESCAPED
instead of ANYTHING.
(make_constraint_from): New helper split out from ...
(make_constraint_from_anything): ... here.
(find_func_aliases): Add constraints for escape sites.
(intra_create_variable_infos): Make constraints from NONLOCAL
for parameters.
(find_what_p_points_to): Interpret NONLOCAL and ESCAPED the same
as ANYTHING.
(clobber_what_p_points_to): Remove.
(clobber_what_escaped): New function.
(init_base_vars): Init NONLOCAL and ESCAPED.
(do_sd_constraint): Do not propagate the solution from ESCAPED
but use ESCAPED as a placeholder.
(solve_graph): Likewise.
* tree-flow.h (clobber_what_p_points_to): Remove.
(clobber_what_escaped): Declare.
* tree-ssa-alias.c (set_initial_properties): Call it.
Remove code clobbering escaped pointers.
* gcc.dg/torture/pr36373-1.c: New testcase.
* gcc.dg/torture/pr36373-2.c: Likewise.
* gcc.dg/torture/pr36373-3.c: Likewise.
* gcc.dg/torture/pr36373-4.c: Likewise.
* gcc.dg/torture/pr36373-5.c: Likewise.
* gcc.dg/torture/pr36373-6.c: Likewise.
* gcc.dg/torture/pr36373-7.c: Likewise.
* gcc.dg/torture/pr36373-8.c: Likewise.
* gcc.dg/torture/pr36373-9.c: Likewise.
* gcc.dg/torture/pr36373-10.c: Likewise.
* gcc.dg/torture/pr36400.c: Likewise.
* gcc.c-torture/execute/pta-field-1.c: Likewise.
* gcc.c-torture/execute/pta-field-2.c: Likewise.
* gcc.dg/tree-ssa/loadpre8.c: Remove XFAIL.
* gcc.dg/tree-ssa/pr24287.c: XFAIL.
From-SVN: r137204
* config/i386/i386.md (ashlti3, ashrti3, lshrti3): Expand using
ix86_expand_binary_operator directly.
(*ashlti3_1): Rename from ashlti3_1. Use nonmemory_operand predicate
for operand 2.
(*ashrti3_1): Ditto.
(*lshrti3_1): Ditto.
(*ashlti3_2, *ashrti3_2, *lshrti3_2): Remove insn patterns.
(ashlti, ashrti and lshrti splitters): Handle nonmemory operand 2
using only one splitter. Conditionaly execute splitter before or
after peephole2 pass.
(ashlti, ashrti and lshrti peephole2): Define peephole2 patterns.
(x86_shld): Rename from x86_shld_1. Compress operand 2 constraints.
Use only one alternative in asm template.
(x86_64_shld): Compress operand 2 constraints. Use only one alternative
in asm template.
(*ashldi3_cmp_rex64): Use const_1_to_63_operand operand predicate and
"J" operand constraint for operand 2.
(*ashldi3_cconly_rex64): Ditto.
(*ashrdi3_cmp_rex64): Ditto.
(*ashrdi3_cconly_rex64): Ditto.
(*lshrdi3_cmp_rex64): Ditto.
(*lshrdi3_cconly_rex64): Ditto.
* config/i386/predicates.md (const_1_to_63_operand): New predicate.
* config/i386/i386.md (print_operand) ['s']: Print ", " using fputs.
(split_ashr, split_ashl, split_lshr): Use gen_x86_shrd instead of
gen_x86_shrd_1.
From-SVN: r137201
PR debug/36617
* tree-cfg.c (struct move_stmt_d): Replace block field with
orig_block and new_block fields.
(move_stmt_r): Only set TREE_BLOCK to p->new_block if
if it used to be NULL, p->orig_block or if p->orig_block is NULL.
(move_block_to_fn): Replace vars_map and new_label_map arguments
with struct move_stmt_d pointer.
(replace_block_vars_by_duplicates): New function.
(move_sese_region_to_fn): Add ORIG_BLOCK argument. Adjust
move_block_to_fn caller. If ORIG_BLOCK is non-NULL, move over
all subblocks of ORIG_BLOCK to the new function. Call
replace_block_vars_by_duplicates.
* tree-flow.h (move_sese_region_to_fn): Adjust prototype.
* omp-low.c (expand_omp_taskreg): Set TREE_USED on DECL_INITIAL
BLOCK of the new function. Adjust move_sese_region_to_fn caller.
Prune vars with original DECL_CONTEXT from child_cfun->local_decls.
(expand_omp): Temporarily set input_location to the location of
region's controlling stmt.
(lower_omp_sections, lower_omp_for): Add a BLOCK into outermost
BIND_EXPR, push ctx->block_vars and gimplification vars into
the BIND_EXPR and its block's BLOCK_VARS instead of directly
into dest function.
(lower_omp_single): Set TREE_USED on the BIND_EXPR's BLOCK if
there are any BLOCK_VARS.
(lower_omp_taskreg): Set BLOCK on a BIND_EXPR containing the
OMP_PARALLEL or OMP_TASK stmt.
(lower_omp): Save and restore input_location around the lower_omp_1
call.
* testsuite/libgomp.c/debug-1.c: New test.
From-SVN: r137198
2008-06-27 Richard Guenther <rguenther@suse.de>
PR tree-optimization/36400
PR tree-optimization/36373
PR tree-optimization/36344
* tree-ssa-structalias.c (var_escaped, escaped_tree, escaped_id,
var_nonlocal, nonlocal_tree, nonlocal_id): New globals
(update_alias_info): Remove call clobbering code.
(make_constraint_to): New helper function.
(make_escape_constraint): Likewise.
(handle_rhs_call): Use it on all pointer containing arguments.
Also mark the static chain escaped.
(handle_lhs_call): Make constraints from NONLOCAL and ESCAPED
instead of ANYTHING.
(make_constraint_from): New helper split out from ...
(make_constraint_from_anything): ... here.
(find_func_aliases): Add constraints for escape sites.
(intra_create_variable_infos): Make constraints from NONLOCAL
for parameters.
(find_what_p_points_to): Interpret NONLOCAL and ESCAPED the same
as ANYTHING.
(clobber_what_p_points_to): Remove.
(clobber_what_escaped): New function.
(init_base_vars): Init NONLOCAL and ESCAPED.
(do_sd_constraint): Do not propagate the solution from ESCAPED
but use ESCAPED as a placeholder.
(solve_graph): Likewise.
* tree-flow.h (clobber_what_p_points_to): Remove.
(clobber_what_escaped): Declare.
* tree-ssa-alias.c (set_initial_properties): Call it.
Remove code clobbering escaped pointers.
* gcc.dg/torture/pr36373-1.c: New testcase.
* gcc.dg/torture/pr36373-2.c: Likewise.
* gcc.dg/torture/pr36373-3.c: Likewise.
* gcc.dg/torture/pr36373-4.c: Likewise.
* gcc.dg/torture/pr36373-5.c: Likewise.
* gcc.dg/torture/pr36373-6.c: Likewise.
* gcc.dg/torture/pr36373-7.c: Likewise.
* gcc.dg/torture/pr36373-8.c: Likewise.
* gcc.dg/torture/pr36373-9.c: Likewise.
* gcc.dg/torture/pr36373-10.c: Likewise.
* gcc.dg/torture/pr36400.c: Likewise.
* gcc.c-torture/execute/pta-field-1.c: Likewise.
* gcc.c-torture/execute/pta-field-2.c: Likewise.
* gcc.dg/tree-ssa/loadpre8.c: Remove XFAIL.
* gcc.dg/tree-ssa/pr24287.c: XFAIL.
From-SVN: r137197
