+2007-04-24 Hui-May Chang <hm.chang@apple.com>
+
+ * reload1.c (merge_assigned_reloads) : Do not merge a RELOAD_OTHER
+ instruction with a RELOAD_FOR_OPERAND_ADDRESS instruction.
+
+2007-04-24 Richard Guenther <rguenther@suse.de>
+ Olga Golovanevsky <olga@il.ibm.com>
+
+ * fold-const.c (multiple_of_p): Check for bottom
+ to be zero.
+
+2007-04-24 Richard Henderson <rth@redhat.com>
+
+ * libgcc2.h (AVOID_FP_TYPE_CONVERSION): Rename from
+ IS_IBM_EXTENDED. Also define in terms of WIDEST_HARDWARE_FP_SIZE.
+ * libgcc2.c (__floatdisf): Avoid double-word arithmetic when
+ looking for non-zero bits shifted out. Avoid a recursive call
+ when constructing the scalar.
+ (__floatundisf): Likewise.
+
+2007-04-24 Nathan Froyd <froydnj@codesourcery.com>
+
+ * dwarf2out.c (field_byte_offset): Move the existing logic
+ under the control of PCC_BITFIELD_TYPE_MATTERS and just use
+ the bit offset of the field if !PCC_BITFIELD_TYPE_MATTERS.
+
+2007-04-24 Andreas Krebbel <krebbel1@de.ibm.com>
+
+ PR target/31641
+ * config/s390/s390.c (s390_expand_setmem): Don't ICE for constant length
+ argument of 0 for memset.
+ (s390_expand_movmem, s390_expand_setmem, s390_expand_cmpmem): Use
+ unsigned shift instead of the signed variant.
+
+2007-04-24 Andreas Krebbel <krebbel1@de.ibm.com>
+
+ * config/s390/s390.md ("*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs_ibm",
+ "fix_trunc<BFP:mode><GPR:mode>2_ieee", "fix_truncdfsi2_ibm",
+ "floatsidf2_ibm", "floatsisf2", "truncdfsf2_ieee", "truncdfsf2_ibm",
+ "*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
+ "*trunctfsf2_ibm", "extendsfdf2_ieee", "extendsfdf2_ibm",
+ "*extenddftf2_ieee", "*extenddftf2_ibm", "*extendsftf2_ieee",
+ "*extendsftf2_ibm", "*add<mode>3", "*add<mode>3_ibm", "*sub<mode>3_ibm",
+ "*mul<mode>3", "*mul<mode>3_ibm", "*div<mode>3", "*div<mode>3_ibm",
+ "*neg<mode>2_ibm", "*abs<mode>2_ibm"): Insn definitions removed.
+ ("fix_trunc<BFP:mode><GPR:mode>2_bfp", "floatsi<mode>2",
+ "truncdfsf2", "trunctf<mode>2", "add<mode>3", "sub<mode>3",
+ "mul<mode>3", "div<mode>3"): Insn definitions added.
+ ("fixuns_trunc<BFP:mode><GPR:mode>2", "fix_trunc<mode>di2",
+ "fix_trunc<mode>si2"): gen_fix_trunc<BFP:mode><GPR:mode>2_ieee renamed
+ to gen_fix_trunc<BFP:mode><GPR:mode>2_bfp.
+ ("fix_truncdfsi2", "floatsitf2", "truncdfsf2", "trunctfdf2",
+ "trunctfsf2", "extendsfdf2", "extenddftf2", "extendsftf2", "add<mode>3",
+ "sub<mode>3", "mul<mode>3", "div<mode>3"): Expander removed.
+ ("fix_trunc<mode>si2", "extend<DSF:mode><BFP:mode>2"): Expander added.
+ * config/s390/s390.h (TARGET_IBM_FLOAT, TARGET_IEEE_FLOAT,
+ TARGET_FLOAT_FORMAT): Macro definitions removed.
+ (FP_REGNO_P): No special case for !TARGET_IEEE_FLOAT anymore.
+ * config/s390/s390.c (struct processor_costs, z900_cost, z990_cost,
+ z9_109_cost): Remove fields for hexfloat instructions: dxr, ddr and der.
+ (s390_rtx_costs): Remove !TARGET_IEEE_FLOAT special branches.
+ (s390_gen_rtx_const_DI): Function removed.
+ * config/s390/s390-protos.h (s390_gen_rtx_const_DI): Prototype removed.
+
+2007-04-24 Richard Sandiford <richard@codesourcery.com>
+
+ * optabs.c (set_conv_libfunc): Prefer libgcc2's __ffsMM2 functions
+ over an external ffs function.
+
+2007-04-24 Chao-ying Fu <fu@mips.com>
+ Richard Sandiford <richard@nildram.co.uk>
+
+ * doc/md.texi (madd@var{m}@var{n}4, umadd@var{m}@var{n}4): Document.
+ * optabs.h (OTI_smadd_widen, OTI_umadd_widen): New optab_indexes.
+ (smadd_widen_optab, umadd_widen_optab): Define.
+ * optabs.c (init_optabs): Initialize smadd_widen_optab and
+ umadd_widen_optab.
+ * genopinit.c (optabs): Fill in smadd_widen_optab and
+ umadd_widen_optab.
+ * expr.c (expand_expr_real_1): Try to use smadd_widen_optab
+ and umadd_widen_optab to implement multiply-add sequences.
+ * config/mips/mips.md (*<su>mul_acc_di): Rename to...
+ (<u>maddsidi4): ...this. Extend condition to include
+ GENERATE_MADD_MSUB and TARGET_DSPR2. Change the constraint
+ of operand 0 to "ka" and use the three-operand form of madd<u>
+ for TARGET_DSPR2.
+ * config/mips/mips-dspr2.md (mips_madd, mips_maddu): Convert
+ to define_expands.
+ * config/mips/constraints.md (ka): New register constraint.
+
+2007-04-24 Jan Hubicka <j@suse.cz>
+
+ Revert:
+
+ 2007-04-23 Jan Hubicka <jh@suse.cz>
+ * function.c (init_function_start): Don't init line number info.
+ (expand_function_end): Update.
+ (reset_block_changes, record_block_change, finalize_block_changes,
+ check_block_change, free_block_changes): Kill.
+ * function.h (reset_block_changes, record_block_change,
+ finalize_block_changes, check_block_change, free_block_changes): Remove
+ prototypes.
+ (struct function): Remove ib_boundaries_block.
+ * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
+ Use curr_insn_locator to initialize locator.
+ (emit_line_note): Remove.
+ * cfgexpand.c (expand_gimple_cond_expr): Update.
+ (construct_exit_block): Likewise.
+ (tree_expand_cfg): Initialize/finalize locators.
+ * expr.c (expand_expr_real): Update.
+ * cfglayout.c (line_locators_locs, line_locators_lines,
+ file_locators_locs, file_locators_files): Remove.
+ (set_block_levels): Move to cfgexpand.c.
+ (insn_locators_initialize): Remove.
+ (pass_insn_locators_initialize): Remove.
+ (locations_locators_locs, locations_locators_vals): New static vars.
+ (curr_location, last_location, curr_block, last_block, curr_rtl_loc):
+ Likewise.
+ (insn_locators_alloc, insn_locators_finalize,
+ set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
+ New functions.
+ (locator_location): New.
+ (locator_line, locator_file): Rewrite.
+ * rtl.h (emit_line_note): Kill.
+ (insn_locators_alloc, insn_locators_finalize,
+ set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
+ Declare.
+ * tree-inline.c (initialize_cfun): Do not initialize
+ ib_boundaries_block.
+ * passes.c (pass_insn_locators_initialize): Remove.
+
+2007-04-24 Daniel Franke <franke.daniel@gmail.com>
+
+ * doc/invoke.texi: Removed leading '-' from option index entries.
+
+2007-04-23 Zdenek Dvorak <dvorakz@suse.cz>
+
+ * tree-phinodes.c (reserve_phi_args_for_new_edge, remove_phi_node):
+ Use phi_nodes_ptr.
+ (create_phi_node): Use set_phi_nodes.
+ * omp-low.c (expand_omp_parallel): Use bb_stmt_list.
+ * tree-if-conv.c (process_phi_nodes): Use set_phi_nodes.
+ (combine_blocks): Use bb_stmt_list and set_bb_stmt_list.
+ * tree-flow-inline.h (phi_nodes, set_phi_nodes,
+ (bsi_start, bsi_last): Use bb_stmt_list.
+ (phi_nodes_ptr, bb_stmt_list, set_bb_stmt_list): New functions.
+ * cfgexpand.c (expand_gimple_basic_block): Use bb_stmt_list.
+ Traverse the statements using tsi iterator.
+ * basic-block.h (struct basic_block_def): Fields stmt_list
+ and phi_nodes moved to ...
+ (struct tree_bb_info): ... new structure.
+ * tree-cfg.c (create_bb): Allocate il.tree. Use set_bb_stmt_list.
+ (tree_merge_blocks): Use bb_stmt_list and set_bb_stmt_list.
+ (remove_bb): Handle blocks with NULL stmt list. Clear il.tree field.
+ (tree_verify_flow_info): Verify that il.tree is not set for
+ entry and exit block.
+ (tree_split_block): Use set_bb_stmt_list.
+
2007-04-23 Mike Stump <mrs@apple.com>
* config/i386/i386.c (ix86_tune_features
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