+1999-12-07 Jakub Jelinek <jakub@redhat.com>
+
+ * config/sparc/sparc.c (hard_32bit_mode_classes): Mark registers
+ suitable for holding OFmode values so that gcc works with complex
+ quad long doubles.
+ (hard_64bit_mode_classes): Likewise.
+
+ * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): Fix pattern
+ so that it is actually matched.
+ (sethi_di_medlow): Likewise.
+
+ * config/sparc/sparc.h (LEGITIMATE_CONSTANT_P): Consider TFmode 0.0L
+ as legitimate constant if -mvis.
+ * config/sparc/sparc.md (movtf): Likewise.
+ (clear_sf): Use const_double_operand.
+ (clear_sfp, clear_dfp, clear_tf, clear_tfp): New patterns.
+
+ * config/sparc/sparc.c (sparc_emit_float_lib_cmp): New function.
+ * config/sparc/sparc-protos.h (sparc_emit_float_lib_cmp): Prototype.
+ * config/sparc/sparc.h (*_LIBCALL): Only use for _Q_*
+ routines, _Qp_* cannot be handled like that now.
+ (INIT_TARGET_OPTABS): Likewise.
+ * config/sparc/sparc.md (cmptf): Accept soft float ARCH64.
+ (seq, sne, sgt, sge, slt, sle, beq, bne, bgt, bge, blt, ble): Call
+ sparc_emit_float_lib_cmp if ARCH64 and soft float.
+ (extendsftf2, extenddftf2, trunctfsf2, trunctfdf2, floatsitf2,
+ floatditf2, fix_trunctfsi2, fix_trunctfdi2, addtf3, subtf3, multf3,
+ divtf3, sqrttf3): New expanders.
+ (extendsftf2_hq, extenddftf2_hq, trunctfsf2_hq, trunctfdf2_hq,
+ floatsitf2_hq, floatditf2_hq, fix_trunctfsi2_hq, fix_trunctfdi2_hq,
+ addtf3_hq, subtf3_hq, multf3_hq, divtf3_hq, sqrttf3_hq): Rename from
+ non-_hq patterns.
+
+ * configure.in (sparc64-*-linux*): Use posix threads if enabled.
+ * configure: Rebuilt.
+ * config/sparc/linux64.h: Default to -mcpu=ultrasparc if no
+ -mcpu is given and we're doing 64bit compiles.
+
+Tue Dec 7 19:22:06 1999 Richard Henderson <rth@cygnus.com>
+
+ * loop.h (struct induction): Add multi_insn_incr.
+ * loop.c (basic_induction_var): New multi_insn_incr argument.
+ Set it if we search back through previous insns for the biv.
+ (record_biv): New multi_insn_incr argument; fill in struct induction.
+ (strength_reduce): Discard an iv with multiple bivs, any of
+ which require multiple insns to increment.
+
+1999-12-07 Martin v. Löwis <loewis@informatik.hu-berlin.de>
+
+ * invoke.texi (C Dialect Options): Remove -flang-c9x, add -std
+ documentation.
+
+1999-12-06 David S. Miller <davem@redhat.com>
+
+ * combine.c (check_promoted_subreg): Do not conditionalize this upon
+ PROMOTE_FUNCTION_RETURN.
+
+Mon Dec 6 15:12:14 1999 Jim Wilson <wilson@cygnus.com>
+
+ * regmove.c (optimize_reg_copy_1): If no REG_DEAD note, check for
+ and handle REG_UNUSED note on insn.
+
+ * combine.c (force_to_mode, case LSHIFTRT): New local inner_mask. Set
+ inner_mask instead of mask.
+
+1999-12-06 Brendan Kehoe <brendan@cygnus.com>
+
+ * dwarf2out.c (field_byte_offset): As with dwarfout.c, size can be
+ zero if there was an error.
+
+1999-12-06 Jakub Jelinek <jakub@redhat.com>
+
+ * config/sparc/sparc.md (return_losum_di): Fix typo in asm
+ output string.
+
+ * longlong.h: Fix clobbers in SPARC asm statements.
+
+ * config/sparc/sparc.c (input_operand): Allow HImode and QImode
+ valid sethi operations when TARGET_ARCH64.
+
+ * calls.c (save_fixed_argument_area): If save_mode is BLKmode,
+ always use move_by_pieces to avoid infinite recursion.
+ (restore_fixed_argument_area): Likewise.
+
+ * combine.c (check_promoted_subreg, record_promoted_value): New
+ functions.
+ (combine_instructions): Use them to retain nonzero and sign bit
+ information after SUBREGs are eliminated by optimizations in
+ this pass if PROMOTE_FUNCTION_RETURN.
+
+ * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): Document
+ .register declaration. Don't use variables with __ prefixes.
+
+Mon Dec 6 12:24:52 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * fold-const.c (optimize_bit_field_compare): Only use one mode
+ for both RHS and LHS in non-constant case.
+
+1999-12-06 Nathan Sidwell <nathan@acm.org>
+
+ * frame.c (start_fde_sort): Only allocate erratic array, if
+ linear one was allocated. Return allocated flag.
+ (fde_insert): Only insert, if there's a valid array.
+ (fde_end_sort): Split, sort and merge if linear and erratic
+ arrays exist, else just sort linear one.
+ (search_fdes): New function. Linear search through original fde
+ structure.
+ (frame_init): Permit multiple initializations. Cope with
+ memory shortages.
+ (find_fde): Fallback on linear search, if failed to sort array.
+ (__deregister_frame_info): Only free sorted array, if we
+ allocated it.
+
+1999-12-06 Jakub Jelinek <jakub@redhat.com>
+
+ * config/sparc/sparc.h (MUST_PASS_IN_STACK): New macro.
+
+1999-12-05 Jakub Jelinek <jakub@redhat.com>
+
+ * config/sparc/sparc.c (sparc64_initialize_trampoline): Use gen_flushdi.
+
+1999-12-05 Mark Mitchell <mark@codesourcery.com>
+
+ * tree.h (special_function_p): Declare.
+ * calls.c (special_function_p): Make it global. Don't take `name'
+ as a parameter. Fix typo in 1999-11-28 change.
+ (expand_cal): Adjust.
+
1999-12-04 Mark Mitchell <mark@codesourcery.com>
+ * tree.def (EXPR_WITH_FILE_LOCATION): Fix comment formatting.
+ * tree.h (EXPR_WFL_FILENAME): Define in terms of
+ EXPR_WFL_FILENAME_NODE.
+ (EXPR_WFL_FILENAME_NODE): Use the second operand slot rather than
+ the TREE_CHAIN.
+ * print-tree.c (print_note): Print TREE_PRIVATE and
+ TREE_PROTECTED.
+
+ * dwarf2out.c (add_abstract_origin_attribute): Don't abort when
+ the original die cannot be found.
+
+ * varray.h (varray_head_tag): Add elements_used.
+ (VARRAY_PUSH): New macro.
+ (VARRAY_POP): Likewise.
+ (VARRAY_TOP): Likewise.
+ Add variants of VARRAY_PUSH and VARRAY_POP for all varray element
+ types.
+ * varray.c (varray_init): Initialize elements_used.
+ * Makefile.in (BASIC_BLOCK_H): Add varray.h.
+ (INTEGRATE_H): New variable.
+ (integrate.o): Depend on INTEGRATE_H.
+ (unroll.o): Likewise.
+
* function.h (insert_block_after_note): Declare.
* function.c (insert_block_after_note): Split out from ...
(retrofit_block): ... here.
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