+2004-01-27 J"orn Rennecke <joern.rennecke@superh.com>
+
+ * Makefile.in (bt-load.o): Depend on except.h.
+ * bt-load.c (except.h): #include.
+ (compute_defs_uses_and_gen): If insn at end of BB can throw
+ within this function, consider registers used by it unavailable for
+ btr migration.
+ (move_btr_def): If insn at end of BB can throw, insert before rather
+ than after.
+
+ * flags.h (flag_btr_bb_exclusive): Declare.
+ * toplev.c (flag_btr_bb_exclusive): New variable.
+ (f_options): Add btr-bb-exclusive.
+ * bt-load.c (augment_live_range): Restore old behaviour if
+ flag_btr_bb_exclusive is set.
+ * common.opt: Add entry for -fbtr-bb-exclusive.
+ * opts.c (common_handle_options): Same.
+ * doc/invoke.texi: Document -fbtr-bb-exclusive.
+
+ * bt-load.c (btrs_live_at_end): New variable.
+ (compute_defs_uses_and_gen): Compute its pointed-to array.
+ (clear_btr_from_live_range, add_btr_to_live_range): Update it.
+ (augment_live_range): When augmenting with a new dominator,
+ use only its btrs_live_at_end set, but also add in the full set
+ of the old dominator.
+ (btr_def_live_range): Use btrs_live_at_end.
+ (move_btr_def): Set other_btr_uses_before_def, and move new set
+ to the end of the basic block, if appropriate.
+ (migrate_btr_defs): Allocate and free btrs_live_at_end.
+
+ * bt-load.c (basic_block_freq): Remove outdated comment.
+
+2004-01-27 Alan Modra <amodra@bigpond.net.au>
+
+ * config/rs6000/rs6000.h: Correct target_flags free bits comment.
+ (PREDICATE_CODES): Remove duplicate.
+ * config/rs6000/linux64.h (CPP_SYSV_SPEC): Don't define.
+ (SUBSUBTARGET_OVERRIDE_OPTIONS): Disallow 32 bit TARGET_PROFILE_KERNEL.
+ (MASK_PROFILE_KERNEL): Adjust define.
+
+2004-01-27 Jakub Jelinek <jakub@redhat.com>
+
+ * config/i386/i386.c (ix86_constant_alignment): Decrease alignment
+ of long string literals from 32 bytes to sizeof (void *) when !-Os
+ and to 1 with -Os.
+
+2004-01-26 Kazu Hirata <kazu@cs.umass.edu>
+
+ * config/h8300/h8300.c (h8300_tiny_constant_address_p): Accept
+ constant addresses in the normal mode.
+
+2004-01-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * system.h (CHAR_BITFIELD): Delete.
+ (BOOL_BITFIELD): New.
+ * c-decl.c (c_scope): Use BOOL_BITFIELD.
+ * gengtype-lex.l: Recognize BOOL_BITFIELD instead of CHAR_BITFIELD.
+
+2004-01-26 Kazu Hirata <kazu@cs.umass.edu>
+
+ * config/arc/arc.c (TARGET_PROMOTE_FUNCTION_ARGS): New.
+ (TARGET_PROMOTE_FUNCTION_RETURN): Likewise.
+ (TARGET_PROMOTE_PROTOTYPES): Likewise.
+ (TARGET_STRUCT_VALUE_RTX): Likewise.
+ (TARGET_RETURN_IN_MEMORY): Likewise.
+ (arc_return_in_memory): Likewise.
+ * config/arc/arc.h (PROMOTE_FUNCTION_ARGS): Remove.
+ (PROMOTE_FUNCTION_RETURN): Likewise.
+ (RETURN_IN_MEMORY): Likewise.
+ (STRUCT_VALUE): Likewise.
+
+2004-01-26 Richard Henderson <rth@redhat.com>
+
+ * c-parse.in (extension): Use itype.
+ (SAVE_EXT_FLAGS): Don't allocate a tree.
+ (RESTORE_EXT_FLAGS): Don't read a tree.
+
+2004-01-26 Jan Hubicka <jh@suse.cz>
+
+ * cselib.c (discard_useless_values): Clear out value pointer pointing
+ to datastructure to be recycled.
+
+2004-01-25 Jan Hubicka <jh@suse.cz>
+
+ * genextract.c (main): Do not output the memset when not checking.
+
2004-01-26 Kazu Hirata <kazu@cs.umass.edu>
* config/h8300/h8300.c (h8300_tiny_constant_address_p): Use a
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