+2007-09-04 Daniel Jacobowitz <dan@codesourcery.com>
+
+ * config/rs6000/rs6000.c (rs6000_stack_info): Allocate space for the
+ GOT pointer only if there is a constant pool. Use the allocated space
+ for SPE also.
+
+2007-09-04 Daniel Jacobowitz <dan@codesourcery.com>
+
+ * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Correct
+ typo for AltiVec.
+
+2007-09-04 Revital Eres <eres@il.ibm.com>
+ Richard Guenther <rguenther@suse.de>
+ R. Clint Whaley <whaley@cs.utsa.edu>
+
+ * doc/invoke.texi (-fassociative-math, -freciprocal-math):
+ Document new flags.
+ * tree-tailcall.c (process_assignment): Use -fassociative-math
+ when reodering operands of floating-point type.
+ * fold-const.c (fold_comparison, fold_binary): Use
+ -fassociative-math and -freciprocal-math instead of
+ -funsafe-math-optimization flag.
+ * toplev.h (set_unsafe_math_optimizations_flags): Declare function.
+ * tree-ssa-math-opts.c (gate_cse_reciprocals): Use
+ -freciprocal-math instead of -funsafe-math-optimizations.
+ * opts.c (set_fast_math_flags): Set -freciprocal-math and
+ -fassociative-math when -ffast-math is set.
+ (set_unsafe_math_optimizations_flags): New Function
+ to set -freciprocal-math and -fassociative-math when
+ -funsafe-math-optimizations is set.
+ (common_handle_option): Call it.
+ * tree-vectorizer.c (vect_is_simple_reduction): Use
+ -fassociative-math when doing reduction on floats.
+ * loop-unroll.c (analyze_insn_to_expand_var): Use
+ -fassociative-math when expanding an accumulator of type float.
+ * simplify-rtx.c (simplify_binary_operation_1): Use
+ -fassociative-math and -freciprocal-math when reordeing operands
+ of floating-point type.
+ * combine.c (combine_simplify_rtx): Likewise.
+ * tree-ssa-reassoc.c (break_up_subtract_bb, reassociate_bb):
+ Likewise.
+ * common.opt (-fassociative-math, -freciprocal-math): New flags.
+
+2007-09-04 Paolo Carlini <pcarlini@suse.de>
+
+ PR c++/18608
+ * doc/install.texi (--enable-__cxa_atexit): Fix typo.
+
+2007-09-04 Jan Hubicka <jh@suse.cz>
+
+ * regrename.c(copyprop_hardreg_forward_1): Unshare when doing copyprop.
+
+2007-09-04 Jan Hubicka <jh@suse.cz>
+
+ * regrename.c (build_def_use): Don't share RTL between MATCH_OPERATOR
+ and corresponding MATCH_DUP.
+
+2007-09-04 Uros Bizjak <ubizjak@gmail.com>
+
+ PR middle-end/33187
+ * combine.c (subst): Do not try to simplify X if it represents load
+ of FP constant from the constant pool via float extension.
+
+2007-09-04 Ben Elliston <bje@au.ibm.com>
+
+ * c-opts.c: Include "tm_p.h".
+ * Makefile.in (c-opts.o): Add $(TM_P_H) as a dependency.
+
+2007-09-04 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/33291
+ * tree-pretty-print.c (dump_generic_node): Dump all
+ qualifiers for pointer types, not only first. Dump
+ qualifiers for aggregate types as well.
+ * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Always
+ use the canonical type for building ARRAY_REFs.
+ * gimplify.c (canonicalize_addr_expr): Clean up. The
+ correct validness check is compatibility of the pointer
+ types. Always use the canonical type for building
+ ARRAY_REFs and ADDR_EXPRs.
+ * tree-ssa-forwprop.c (forward_propagate_addr_expr): Revert
+ change that disabled propagation of ADDR_EXPRs into statements
+ with volatile ops.
+
+2007-09-03 Zack Weinberg <zack@codesourcery.com>
+
+ * config/arm/arm.md (mulsidi3, umulsidi3, mulsi3_highpart)
+ (umulsi3_highpart): Make into expanders; existing insns are
+ now named *[insn]_nov6. Add stars to existing [insn]_v6
+ counterparts' names.
+
+2007-09-03 Daniel Jacobowitz <dan@codesourcery.com>
+
+ * Makefile.in (DRIVER_DEFINES, gcc.o, gccspec.o, protoize.o)
+ (unprotoize.o): Remove SHLIB_MULTILIB.
+
+2007-09-03 Eric Weddington <eweddington@cso.atmel.com>
+
+ * doc/extend.texi: Document progmem attribute for AVR.
+
+2007-09-03 Anatoly Sokolov <aesok@post.ru>
+
+ PR target/28902
+ * config/avr/avr.h (TARGET_VTABLE_ENTRY_ALIGN): Define.
+
+2007-09-03 Zack Weinberg <zack@codesourcery.com>
+
+ * optabs.c (expand_ffs): Initialize val and defined_at_zero
+ to avoid warnings.
+
+ * optabs.c: Remove unnecessary forward declarations.
+ (expand_unop_direct): New, broken out of expand_unop.
+ (expand_doubleword_clz): New.
+ (expand_ctz): Move above expand_ffs. Use
+ start_sequence, end_sequence, add_equal_note, and
+ expand_unop_direct. Add more commentary.
+ (expand_ffs): Try both ctz optab and expand_ctz.
+ Generate a test and branch if the hardware doesn't give us
+ a useful value for input zero. Style improvements similar to
+ expand_ctz.
+
+ * config/arm/arm.md (ffssi2, ctzsi2): Delete.
+
+2007-09-03 Zack Weinberg <zack@codesourcery.com>
+
+ * config.gcc: Delete stanza for arm-semi-aof and
+ armel-semi-aof targets.
+ * config/arm/arm-protos.h
+ * config/arm/arm.c
+ * config/arm/arm.h: Delete all #ifdef AOF_ASSEMBLER blocks;
+ make all #ifndef AOF_ASSEMBLER blocks unconditional. Also
+ delete aof_pic_label and remove mention of AOF in comments.
+ * config/arm/arm.md: Delete patterns used only for AOF assembly.
+ * config/arm/aof.h
+ * config/arm/semiaof.h
+ * config/arm/t-semi: Delete file.
+
+2007-09-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * system.h (CONST_CAST2, CONST_CAST_TREE, CONST_CAST_RTX,
+ CONST_CAST_BB): New macros for type-specific casts.
+ (CONST_CAST): Add a TYPE parameter and define it in terms of
+ CONST_CAST2.
+
+ * c-decl.c (c_make_fname_decl): Supply a TYPE for CONST_CAST.
+ * c-lex.c (cb_ident, lex_string): Likewise,
+ * c-typeck.c (free_all_tagged_tu_seen_up_to): Likewise,
+ * config/i386/i386.c (ix86_function_regparm,
+ ix86_function_sseregparm): Use CONST_CAST_TREE.
+ * config/mmix/mmix.c (mmix_encode_section_info): Supply a TYPE for
+ CONST_CAST.
+ * gcc.c (set_spec, read_specs, for_each_path, execute, do_spec_1,
+ give_switch, set_multilib_dir): Likewise,
+ * gengtype-parse.c (string_seq, typedef_name): Likewise,
+ * gimple-low.c (block_may_fallthru): Use CONST_CAST_TREE.
+ * jump.c (reversed_comparison_code_parts): Use CONST_CAST_RTX.
+ * passes.c (execute_one_pass): Supply a TYPE for CONST_CAST.
+ * prefix.c (update_path): Likewise,
+ * pretty-print.c (pp_base_destroy_prefix): Likewise,
+ * rtlanal.c (keep_with_call_p): Use CONST_CAST_RTX.
+ * tree-cfg.c (tree_can_merge_blocks_p,
+ tree_block_ends_with_condjump_p): Use CONST_CAST_BB.
+ * tree-eh.c (lookup_stmt_eh_region_fn): USe CONST_CAST_TREE.
+ * tree.c (build_string): Supply a TYPE for CONST_CAST.
+ (attribute_list_contained): Use CONST_CAST_TREE.
+
+2007-09-03 Krister Walfridsson <cato@df.lth.se>
+
+ * config/netbsd-elf.h (USE_LD_AS_NEEDED): Define.
+
+2007-09-03 Richard Sandiford <richard@codesourcery.com>
+
+ PR middle-end/33290
+ * optabs.c (avoid_expensive_constant): Canonicalize CONST_INTs
+ before forcing them into a register.
+
+2007-09-03 Richard Sandiford <richard@codesourcery.com>
+
+ * config/mips/mips.md (fetchop_bit): Use define_code_iterator
+ rather than define_code_macro.
+
2007-09-03 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
* gcc.c (xputenv): New function.
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