+2003-02-18 Matt Austern <austern@apple.com>
+
+ * langhooks.h, langhooks-def.h: introduce new langhook,
+ final_write_globals, with write_global_declarations as default.
+ * toplev.c: Move invocation of wrapup_global_declarations from
+ compile_file to new function, write_global_declarations. Change
+ compile_file to use final_write_globals hook. Change
+ wrapup_global_declarations so writing to DECL_DEFER_OUTPUT is
+ conditional.
+
+2003-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
+
+ * pa.md: Correct and enhance comment.
+
+2003-02-18 Geoffrey Keating <geoffk@apple.com>
+
+ * gcc.c (validate_switches): Don't scan past closing '}'.
+
+2003-02-18 Ben Elliston <bje@redhat.com>
+
+ PR c++/1607
+ * doc/extend.texi (Function Attributes): Document the effect of
+ the C++ "this" parameter on the counting of arguments for the
+ "format" and "format_arg" attributes.
+
+2003-02-17 Aldy Hernandez <aldyh@redhat.com>
+
+ * config/rs6000/spe.h (__ev_stdd): Cast 2nd arg.
+ (__ev_stdw): Same.
+ (__ev_stdh): Same.
+
+Mon Feb 17 16:16:54 CET 2003 Jan Hubicka <jh@suse.cz>
+
+ * recog.c (split_all_insns): Fix memory overflow.
+
+2003-02-17 Kazu Hirata <kazu@cs.umass.edu>
+
+ * config/h8300/h8300.md (cmpqi): Remove mode from compare.
+ (cmphi): Likewise.
+ (*cmphi_h8300): Likewise.
+ (*cmphi_h8300hs): Likewise.
+ (cmpsi): Likewise.
+ (7 peephole2): Likewise.
+
+Sun Feb 16 23:07:52 CET 2003 Jan Hubicka <jh@suse.cz>
+
+ * c-typeck.c (build_c_cast): Fold constant variables into
+ initial values.
+
+2003-02-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
+
+ * doc/install.texi (Specific): Fix link for m68k-att-sysv.
+ (Binaries): Ditto for Sinix/Reliant Unix.
+
+2003-02-16 Richard Earnshaw <rearnsha@arm.com>
+
+ * arm.c (arm_reload_in_hi): Ensure that the scratch register does
+ not overlap the final result register.
+
+2003-02-16 Arend Bayer <arend.bayer@web.de>
+ Richard Henderson <rth@redhat.com>
+
+ PR c/8068
+ * fold-const.c (extract_muldiv_1): Rename from extract_muldiv;
+ rearrange mult arguments for less recursion.
+ (extract_muldiv): New. Prevent runaway recursion.
+
+2003-02-16 Danny Smith <dannysmith@users.sourceforge.net>
+
+ * config/i386/cygwin.h (TARGET_SUBTARGET_DEFAULT): Set
+ MASK_ALIGN_DOUBLE.
+
+2003-02-15 Roger Sayle <roger@eyesopen.com>
+
+ * config/i386/i386.c (x86_ext_80387_constants): Use 80387 insns
+ to load mathematical constants on K6, Athlon, Pentium 4 and PPro.
+ (ext_80387_constants_table): Global table of 80387 special constants
+ guarded by ext_80387_constants_init flag when not initialized.
+ (init_ext_80387_constants): New function to initialize this table.
+ (standard_80387_constant_p): Extend to recognize extra 80387
+ constants, in XFmode, on processors where this is a win.
+ (standard_80387_constant_opcode): New function to return the
+ opcode associated with standard_80387_constant_p.
+ (standard_80387_constant_rtx): New function to return the XFmode
+ CONST_DOUBLE associated with standard_80387_constant_p.
+ (ix86_rtx_costs): Give the new constants the same cost as 1.0.
+
+ * config/i386/i386-protos.h (standard_80387_constant_opcode):
+ Prototype here.
+ (standard_80387_constant_rtx): Likewise.
+
+ * config/i386/i386.md (*movsf1, *movsf1_nointerunit, *movdf_nointeger,
+ *movdf_integer, *movxf_nointeger, *movtf_nointeger, *movxf_integer,
+ *movtf_integer): Simplify using new standard_80387_constant_opcode.
+
+2003-02-15 Geoffrey Keating <geoffk@apple.com>
+
+ * doc/invoke.texi (Optimize Options): Correct @option syntax.
+
+2003-02-15 Richard Henderson <rth@redhat.com>
+
+ * Makefile.in (cfglayout.o): Depend on TARGET_H.
+ * cfglayout.c: Include target.h.
+ (cfg_layout_can_duplicate_bb_p): Check targetm.cannot_copy_insn_p.
+ * target-def.h (TARGET_CANNOT_COPY_INSN_P): New.
+ * target.h (struct gcc_target): Add cannot_copy_insn_p.
+
+ * config/alpha/alpha.c (alpha_cannot_copy_insn_p): New.
+ (TARGET_CANNOT_COPY_INSN_P): New.
+ (override_options): Revert 2003-02-08 hack.
+
+2003-02-15 Richard Henderson <rth@redhat.com>
+
+ * gcse.c (bypass_block): Use BLOCK_FOR_INSN for resolving LABEL_REFs.
+ (bypass_conditional_jumps): Accept computed_jump_p insns as well.
+
+2003-02-15 David Edelsohn <edelsohn@gnu.org>
+
+ * config/rs6000/rs6000.h (processor_type): Add PPC440.
+ * config/rs6000/rs6000.c (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE,
+ TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD,
+ TARGET_SCHED_VARIABLE_ISSUE): Define.
+ (rs6000_use_dfa_pipeline_interface): New function.
+ (rs6000_multipass_dfa_lookahead): New Function.
+ (rs6000_variable_issue): New function.
+ (rs6000_adjust_cost): Add CMP and DELAYED_CR types.
+ (rs6000_issue_rate): Add PPC440.
+ * config/rs6000/rs6000.md (unspec list): Correct typo.
+ (attr "type"): Add load_ext, load_ext_u, load_ext_ux, load_u,
+ store_ux, store_u, fpload_ux, fpload_u, fpstore_ux, fpstore_u,
+ cmp, delayed_cr, mfcr, mtcr.
+ (automata_option): Set "ndfa".
+ (extendMMNN2): Update attributes.
+ (movcc_internal1): Discourage move to non-cr0. Update
+ attributes.
+ (movMM_update): Update attributes.
+ (cmpMM_internal): Update attributes.
+ (sCC CR materialization): Update attributes.
+ (branch patterns): Do not discourage non-cr0.
+ (cr logical patterns): Prefer destructive register allocation.
+ Update attributes.
+ (movesi_from_cr): Update attribute.
+ (mtcrf_operation): Update attribute.
+ (mtcrfsi): Update attribute.
+ * config/rs6000/40x.md: New file.
+ * config/rs6000/603.md: New file.
+ * config/rs6000/6xx.md: New file.
+ * config/rs6000/7450.md: New file.
+ * config/rs6000/7xx.md: New file.
+ * config/rs6000/mpc.md: New file.
+ * config/rs6000/power4.md: New file.
+ * config/rs6000/rios1.md: New file.
+ * config/rs6000/rios2.md: New file.
+ * config/rs6000/rs64.md: New file.
+ [Some DFA descriptions based on work by Michael Hayes]
+
+2003-02-15 Richard Henderson <rth@redhat.com>
+
+ * bb-reorder.c (find_traces_1_round): Don't connect easy to copy
+ successors with multiple predecessors.
+ (connect_traces): Try harder to copy traces of length 1.
+
+ * function.h (struct function): Add computed_goto_common_label,
+ computed_goto_common_reg.
+ * function.c (free_after_compilation): Zap them.
+ * stmt.c (expand_computed_goto): Use them to produce one
+ indirect branch per function.
+
+2003-02-15 Richard Henderson <rth@redhat.com>
+
+ * cfgcleanup.c: Include params.h.
+ (try_crossjump_bb): Use PARAM_MAX_CROSSJUMP_EDGES. Fix test for
+ too many outgoing edges from a block.
+ * Makefile.in (cfgcleanup.o): Depend on PARAMS_H.
+ * params.def (max-crossjump-edges): New.
+ * doc/invoke.texi: Document it.
+
+2003-02-15 Richard Henderson <rth@redhat.com>
+
+ * recog.c (split_all_insns): Include new blocks in life update;
+ do a global life update.
+
+2003-02-15 Danny Smith <dannysmith@users.sourceforge.net>
+
+ * config/i386/mingw32.h (LIBGCC_SPEC): Add libmingwex.a.
+ Update copyright.
+ * config/i386/cygwin.h (LIBGCC_SPEC): Add libmingwex.a for
+ -mno-cygwin case.
+
+2003-02-14 Falk Hueffner <falk.hueffner@student.uni-tuebingen.de>
+
+ PR optimization/7702
+ * reload1.c (reload_cse_simplify_set): Honor
+ CANNOT_CHANGE_MODE_CLASS.
+
+2003-02-14 Alexandre Oliva <aoliva@redhat.com>
+
+ * config/mn10300/mn10300.c (mn10300_wide_const_load_uses_clr): New
+ function.
+ * config/mn10300/mn10300-protos.h: Declare it.
+ * config/mn10300/mn10300.md (movdi, movdf): Use it to compute
+ attribute cc of instructions that may use clr.
+
+2003-02-14 Kazu Hirata <kazu@cs.umass.edu>
+
+ * simplify-rtx.c (simplify_binary_operation): Simplify ~y when
+ (x - (x & y)) is found.
+
+2003-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
+
+ * configure.in: Fix typo.
+ * configure: Regenerate.
+
2003-02-14 Kazu Hirata <kazu@cs.umass.edu>
* config/h8300/h8300.md (*iorsi2_and_1_lshiftrt_1): New.
2003-02-13 Adam Nemet <anemet@lnxw.com>
- PR opt/2391
- * combine.c: Fix spelling in comment.
- (cached_nonzero_bits): New function.
- (cached_num_sign_bit_copies): New function.
+ PR opt/2391
+ * combine.c: Fix spelling in comment.
+ (cached_nonzero_bits): New function.
+ (cached_num_sign_bit_copies): New function.
(nonzero_bits_with_known): New macro.
(num_sign_bit_copies_with_known): New macro.
- (nonzero_bits1): Rename from nonzero_bits. Add three new
+ (nonzero_bits1): Rename from nonzero_bits. Add three new
arguments. Change calls from nonzero_bits to
nonzero_bits_with_known.
- (num_sign_bit_copies1): Rename from num_sign_bit_copies. Add
+ (num_sign_bit_copies1): Rename from num_sign_bit_copies. Add
three new arguments. Change calls from num_sign_bit_copies to
num_sign_bit_copies_with_known.
- (nonzero_bits): New macro.
- (num_sign_bit_copies): New macro.
- (update_table_tick): Don't traverse identical subexpression more
+ (nonzero_bits): New macro.
+ (num_sign_bit_copies): New macro.
+ (update_table_tick): Don't traverse identical subexpression more
than once.
- (get_last_value_validate): Likewise.
+ (get_last_value_validate): Likewise.
2003-02-13 Zack Weinberg <zack@codesourcery.com>