2009-10-13 Basile Starynkevitch <basile@starynkevitch.net>

	MELT branch merged with trunk rev 152709




git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/melt-branch@152713 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 103 insertions, 3 deletions

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 0714158ea99..e2a71f9b5ce 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,5 +1,106 @@
+
+2009-10-13  Basile Starynkevitch  <basile@starynkevitch.net>
+    * passes.c (register_pass): Replaced gcc_unreachable by
+    fatal_error on failure. Mentions plugins in comments & messages.
+
+2009-10-13  Jakub Jelinek  <jakub@redhat.com>
+
+	PR target/41693
+	* rtl.h (DEBUG_EXPR_TREE_DECL): Define.
+	* sched-vis.c (print_value): Use it.
+	* cselib.c (cselib_hash_rtx): Likewise.
+	* print-rtl.c (print_rtx): Likewise.
+	* cfgexpand.c (expand_debug_rtx): Likewise.
+	* var-tracking.c (vt_expand_loc_callback): Likewise.
+
+2009-10-13  Richard Guenther  <rguenther@suse.de>
+
+	PR lto/41565
+	* opts.c (handle_option): Split out code to handle setting
+	the options flag var ...
+	(set_option): ... here.
+	* opts.h (set_option): Declare.
+	* lto-opts.c (register_user_option_p): Include -fexceptions
+	and all position independent code variants.
+	(handle_common_option): Remove.
+	(lto_reissue_options): Use set_option.
+
+2009-10-13  Martin Jambor  <mjambor@suse.cz>
+
+	PR tree-optimization/41661
+	* ipa-prop.c (compute_complex_pass_through): Allow only operations
+	that are tcc_comparisons or do not change the type in any
+	un-usleless way.
+	* ipa-cp.c (ipcp_lattice_from_jfunc): Request boolean type when
+	folding tcc_comparison operations.
+
+2009-10-13  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
+
+	* config/s390/s390.c (s390_encode_section_info): Handle BLKmode
+	properly.
+
+2009-10-12  Alexandre Oliva  <aoliva@redhat.com>
+
+	PR debug/41343
+	PR debug/41447
+	PR debug/41264
+	PR debug/41338
+	* tree.def (DEBUG_EXPR_DECL): New.
+	* rtl.def (DEBUG_EXPR): New.
+	* gengtype.c (adjust_field_rtx_def): Handle it.
+	* tree-ssa.c (propagate_var_def_into_debug_stmts): Rename to...
+	(insert_debug_temp_for_var_def): ... this.  Drop support for
+	moving.  Take iterator for def stmt; insert debug stmt before it.
+	Scan early for use count and kind in debug stmts.
+	(propagate_defs_into_debug_stmts): Rename to...
+	(insert_debug_temps_for_defs): ... this.  Likewise.
+	* tree.h (DEBUG_TEMP_UID): New.
+	* tree.c (next_debug_decl_uid): New.
+	(make_node_stat): Count debug decls separately.
+	(copy_node_stat): Likewise.
+	* cfgexpand.c (expand_debug_expr): Handle DEBUG_EXPR_DECL.
+	* var-tracking.c (dv_is_decl_p): Recognize it.
+	(VALUE_RECURSED_INTO): Apply to DEBUG_EXPRs too.
+	(track_expr_p): Track expanded DEBUG_EXPR_DECLs.
+	(vt_expand_loc_callback): Expand DEBUG_EXPRs.
+	(emit_note_insn_var_location): Don't emit notes for DEBUG_EXPR_DECLs.
+	* cselib.c (rtx_equal_for_cselib_p): Handle DEBUG_EXPR.
+	(cselib_hash_rtx): Likewise.
+	(cselib_expand_value_rtx_1): Use callback for DEBUG_EXPR.
+	* tree-ssa-operands.c (get_expr_operands): Skip DEBUG_EXPR_DECLs in
+	debug bind stmts.
+	* emit-rtl.c (verify_rtx_sharing): Handle DEBUG_EXPR and VALUE.
+	(copy_rtx_if_shared_1, reset_used_flags, set_used_flags): Likewise.
+	* rtl.c (copy_rtx): Likewise.
+	(rtx_equal_p_cb, rtx_equal_p): Handle DEBUG_EXPR.
+	* print-rtl.c (print_rtx): Likewise.
+	* sched-vis.c (print_value): Likewise.
+	(print_insn): Handle DEBUG_EXPR_DECL.
+	* tree-dump.c (dequeue_and_dump): Likewise.
+	* tree-pretty-print.c (dump_decl_name, dump_generic_node): Likewise.
+	* gimple-iterator (gsi_replace): Check for same lhs.
+	(gsi_remove): Insert debug temps.
+	* tree-ssa-loop-im.c (rewrite_reciprocal): Replace with same lhs.
+	(move_computations_stmt): Drop explicit propagation into debug stmts.
+	(rewrite_bittest): Likewise.  Use gsi_remove for propagation.
+	* tree-ssa-reassoc.c (rewrite_expr_tree, linearize_expr): Likewise.
+	* tree-ssa-sink.c (statement_sink_location): Likewise.
+	* tree-ssa-forwprop (forward_propagate_addr_expr): Likewise.
+	* tree-ssanames.c (release_ssa_name): Adjust for rename.
+	* tree-flow.h: Likewise.
+	* tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Don't mark
+	debug temps without values.
+	(eliminate_unnecessary_stmts): Don't discard just-inserted
+	debug stmts.
+
+2009-10-12  Hans-Peter Nilsson  <hp@axis.com>
+
+	PR target/26515
+	* config/cris/cris.md (andu): Check that operand 1 is one of the
+	general registers.  Fix typo in head comment.
+
 2009-10-12  Stefan Dösinger  <stefan@codeweavers.com>
-        
+
 	* config/i386/i386.md (vswapmov): New.
 	* config/i386/i386.c (ix86_handle_fndecl_attribute): New.
 	(ix86_function_ms_hook_prologue): New.
@@ -16,8 +117,7 @@
 
 2009-10-12  Uros Bizjak  <ubizjak@gmail.com>
 
-	* config/i386/i386.md (*setcc_<mode>_2): Do not use ix86_expand_clear
-	to zero operand 0.
+	* config/i386/i386.md (*setcc_<mode>_2): Remove insn pattern.
 
 2009-10-12  Dodji Seketeli  <dodji@redhat.com>