+2004-03-01 Paolo Bonzini <bonzini@gnu.org>
+
+ * combine.c (try_combine): Do not refer to is_replaced.
+ (gen_lowpart_for_combine): Perverse subregs now have a
+ more politically correct name.
+ * cse.c (cse_insn): Likewise.
+ * jump.c: Fix bogus reference to delete_insn.
+
+2004-02-29 Mark Mitchell <mark@codesourcery.com>
+
+ PR debug/14328
+ * dwarf2out.c (gen_enumeration_type_die): Output all enumeration
+ constants as signed values.
+
+ PR middle-end/13448
+ * c-tree.h (readonly_warning): Rename to ...
+ (readonly_error): ... this.
+ * c-typeck.c (build_unary_op): Adjust accordingly.
+ (readonly_warning): Rename to ...
+ (readonly_error): ... this and issue errors, not warnings.
+ (build_modify_expr): Call readonly_error, not readonly_warning.
+ (c_expand_asm_operands): Likewise.
+ * tree-inline.c (optimize_inline_calls): Do not inline functions
+ after errors have occurred.
+
+2004-02-29 Nathanael Nerode <neroden@gcc.gnu.org>
+
+ * configure.ac: Rearrange some threading code for clarity;
+ add section comment.
+ * configure: Regenerate.
+
+2004-02-29 Kazu Hirata <kazu@cs.umass.edu>
+
+ * passes.c, config/frv/frv.c, config/sh/sh.c: Fix comment
+ typos.
+ * doc/cppopts.texi: Fix a typo.
+
+2004-02-29 Kazu Hirata <kazu@cs.umass.edu>
+
+ * config/i386/i386.md: Fix formatting.
+
+2004-02-29 Nathanael Nerode <neroden@gcc.gnu.org>
+
+ * configure.ac: Add some comments delineating sections of code.
+
+ * doc/install.texi: Note that libada uses autoconf 2.57 also.
+
+ * doc/install.texi: Fix idiot typo in previous commit.
+
+ * doc/install.texi: Update for conversion of intl to autoconf 2.57.
+
+2004-02-29 Kazu Hirata <kazu@cs.umass.edu>
+
+ * config/h8300/h8300.md: Add comments about peephole2's.
+
+2004-02-29 Kazu Hirata <kazu@cs.umass.edu>
+
+ * config/h8300/h8300.md: Tweak operand numbers of some
+ peephole2's.
+
+2004-02-29 Kazu Hirata <kazu@cs.umass.edu>
+
+ * config/h8300/h8300.md: Tweak comments about peephole2's.
+
+2004-02-29 Waldek Hebisch <hebisch@math.uni.wroc.pl>
+
+ PR middle-end/14203
+ * function.c (uninitialized_vars_warning): Use DECL_RTL_SET_P
+ instead of testing whether DECL_RTL is not NULL.
+
+2004-02-28 Kazu Hirata <kazu@cs.umass.edu>
+
+ * config/sh/sh.c: Fix formatting.
+
+2004-02-28 Kazu Hirata <kazu@cs.umass.edu>
+
+ * config/sh/sh.c: Convert to ISO-C.
+
+2004-02-28 Andrew Pinski <pinskia@physics.uc.edu>
+
+ * c-typeck.c (tagged_types_tu_compatible_p): Fix pasto in
+ my previous patch.
+
+ * config/darwin.h (machopic_finish): Output stub even if the
+ symbol is already defined.
+
+2004-02-28 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
+
+ * pa64-hpux.h (LIB_SPEC): Fix linking under HP-UX 11.00 with -p and -pg.
+
+2004-02-28 Kazu Hirata <kazu@cs.umass.edu>
+
+ * genattr.c (main): Don't define
+ TRADITIONAL_PIPELINE_INTERFACE or DFA_PIPELINE_INTERFACE.
+ * system.h (TRADITIONAL_PIPELINE_INTERFACE): Poison.
+ (DFA_PIPELINE_INTERFACE): Likewise.
+ * doc/tm.texi (TRADITIONAL_PIPELINE_INTERFACE): Remove.
+ (DFA_PIPELINE_INTERFACE): Likewise.
+
+2004-02-28 Richard Sandiford <rsandifo@redhat.com>
+
+ * config/mips/mips.md (tstsi, tstdi): Delete.
+
+2004-02-28 Maciej W. Rozycki <macro@ds2.pg.gda.pl>
+
+ * config/mips/mips.c (override_options): Remove an obsolete
+ duplicate definition of the "e" constraint.
+ * config/mips/mips.h: Update a comment accordingly.
+
+2004-02-28 Maciej W. Rozycki <macro@ds2.pg.gda.pl>
+
+ * config/mips/mips.md: Complete the unfinished R4000
+ multiply/shift errata workaround. Improve documentation.
+ (hazard): Use TARGET_FIX_R4000 to decide whether an "imul" instruction
+ has a hilo hazard.
+ (mulsi3, mulsi3_internal, mulsi3_r4000): Use TARGET_FIX_R4000.
+ (muldi3, muldi3_internal): Likewise.
+ (muldi3_internal2): Remove, replacing with...
+ (muldi3_mult3, muldi3_r4000): ...these new patterns.
+ (mulsidi3): Take the errata into account.
+ (mulsidi3_32bit): Remove, replacing with...
+ (mulsidi3_32bit_internal, mulsidi3_32bit_r4000): ...these new patterns.
+ (mulsidi3_64bit, mulsidi3_64bit_parts): Disable if TARGET_FIX_R4000.
+ (umulsidi3): Take the errata into account.
+ (umulsidi3_32bit): Remove, replacing with..
+ (umulsidi3_32bit_internal, umulsidi3_32bit_r4000): ...these patterns.
+ (umulsi3_highpart, umulsi3_highpart_internal): Disable if
+ TARGET_FIX_R4000.
+ (smulsi3_highpart, smulsi3_highpart_internal): Likewise.
+ (smuldi3_highpart, umuldi3_highpart): Likewise.
+ * doc/invoke.texi: Document the errata workaround.
+
+2004-02-28 Maciej W. Rozycki <macro@ds2.pg.gda.pl>
+
+ * config/mips/mips-protos.h (mips_idiv_insns): Declare.
+ * config/mips/mips.h (MASK_FIX_SB1): Bump.
+ (MASK_FIX_R4000, TARGET_FIX_R4000): New macros.
+ (TARGET_SWITCHES): Add -mfix-r4000 and -mno-fix-r4000.
+ * config/mips/mips.c (mips_idiv_insns): New function.
+ (override_options): Make -march=r4000 imply -mfix-r4000 by default.
+ (mips_output_division): Add a workaround for the R4000 divide/shift
+ errata.
+ * config/mips/mips.md (length): Use mips_idiv_insns() to calculate
+ the length of an "idiv" instruction.
+ * doc/invoke.texi: Document the new switches.
+
+2004-02-28 Kazu Hirata <kazu@cs.umass.edu>
+
+ * doc/tm.texi (IS_COSTLY_DEPENDENCE): Change to
+ TARGET_SCHED_IS_COSTLY_DEPENDENCE.
+
+2004-02-28 Zdenek Dvorak <rakdver@atrey.karlin.mff.cuni.cz>
+
+ PR optimization/14229
+ * cfgrtl.c (rtl_tidy_fallthru_edge): Do not fail for !onlyjump jump.
+
+2004-02-28 Eric Botcazou <ebotcazou@act-europe.fr>
+
+ * fold-const.c (fold): Strip NOPs that change the signedness
+ for RSHIFT too. Expand comment.
+
+2004-02-27 Ian Lance Taylor <ian@wasabisystems.com>
+
+ PR optimization/7871
+ * flow.c (mark_set_1): Don't add LOG_LINKS for global registers
+ from or to call insns.
+
+2004-02-27 Eric Botcazou <ebotcazou@libertysurf.fr>
+
+ PR optimization/7871
+ * flow.c (propagate_one_insn): Interpret calls as setting global
+ registers, not merely clobbering them.
+
+2004-02-27 Dale Johannesen <dalej@apple.com>
+
+ * config/darwin.c (machopic_output_possible_stub_label): Remove.
+ config/darwin-protos.h: Ditto.
+ config/darwin.h: Remove call to it.
+ * combine.c (distribute_notes): Do not place a REG_DEAD note
+ when value is both set and used.
+
2004-02-27 Kazu Hirata <kazu@cs.umass.edu>
* config/h8300/fixunssfsi.c (__fixunssfsi): Enable on H8/300