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* config/rs6000/rs6000.c (function_arg_advance): For 32-bit ELF ABI,
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
index 8650b80..7f72336 100644 (file)
@@ -1,3 +1,287 @@
+2007-04-24  Janis Johnson  <janis187@us.ibm.com>
+
+       * config/rs6000/rs6000.c (function_arg_advance): For 32-bit ELF ABI,
+       expand on the comment about _Decimal128 arguments and check the
+       integer result of the modulus operation; for 64-bit ELF ABI, ensure
+       that _Decimal128 argument uses even/odd register pair.
+       (function_arg): Ditto.
+
+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
+       [X86_TUNE_DEEP_BRANCH_PREDICTION]: Prefer call over thunks on
+       nocona and core2.
+
+2007-04-23  H.J. Lu  <hongjiu.lu@intel.com>
+
+       * config/i386/i386.md (prefix_extra): New attribute.
+       (length): Add prefix_extra.
+
+       * onfig/i386/sse.md (sse2_movdqu): Set prefix_data16.
+       (sse2_movntv2di): Likewise.
+       (sse2_cvtps2dq): Likewise.
+       (sse2_cvtpd2pi): Likewise.
+       (sse2_cvttpd2pi): Likewise.
+       (*sse2_cvtpd2ps): Likewise.
+       (*add<mode>3): Likewise.
+       (sse2_ssadd<mode>3): Likewise.
+       (sse2_usadd<mode>3): Likewise.
+       (*sub<mode>3): Likewise.
+       (sse2_sssub<mode>3): Likewise.
+       (sse2_ussub<mode>3): Likewise.
+       (*mulv8hi3): Likewise.
+       (*smulv8hi3_highpart): Likewise.
+       (*umulv8hi3_highpart): Likewise.
+       (sse2_umulv2siv2di3): Likewise.
+       (sse2_pmaddwd): Likewise.
+       (ashr<mode>3): Likewise.
+       (lshr<mode>3): Likewise.
+       (ashl<mode>3): Likewise.
+       (sse2_ashlti3): Likewise.
+       (sse2_lshrti3): Likewise.
+       (*umaxv16qi3): Likewise.
+       (*smaxv8hi3): Likewise.
+       (*uminv16qi3): Likewise.
+       (*sminv8hi3): Likewise.
+       (sse2_eq<mode>3): Likewise.
+       (sse2_gt<mode>3): Likewise.
+       (*and<mode>3): Likewise.
+       (sse2_nand<mode>3): Likewise.
+       (*ior<mode>3): Likewise.
+       (*xor<mode>3): Likewise.
+       (sse2_packsswb): Likewise.
+       (sse2_packssdw): Likewise.
+       (sse2_packuswb): Likewise.
+       (sse2_punpckhbw): Likewise.
+       (sse2_punpcklbw): Likewise.
+       (sse2_punpckhwd): Likewise.
+       (sse2_punpcklwd): Likewise.
+       (sse2_punpckhdq): Likewise.
+       (sse2_punpckldq): Likewise.
+       (sse2_punpckhqdq): Likewise.
+       (sse2_punpcklqdq): Likewise.
+       (*sse2_pinsrw): Likewise.
+       (*sse2_pextrw): Likewise.
+       (sse2_pshufd_1): Likewise.
+       (sse2_uavgv16qi3): Likewise.
+       (sse2_uavgv8hi3): Likewise.
+       (sse2_psadbw): Likewise.
+       (sse2_pmovmskb): Likewise.
+       (*sse2_maskmovdqu): Likewise.
+       (*sse2_maskmovdqu_rex64): Likewise.
+       (sse4a_extrqi): Likewise.
+       (sse4a_extrq): Likewise.
+       (sse3_lddqu): Set prefix_rep.
+       (sse3_addsubv4sf3): Likewise.
+       (sse3_haddv4sf3): Likewise.
+       (sse3_hsubv4sf3): Likewise.
+       (sse_cvtss2si): Likewise.
+       (sse_cvtss2si_2): Likewise.
+       (sse_cvtss2siq): Likewise.
+       (sse_cvtss2siq_2): Likewise.
+       (sse_cvttss2si): Likewise.
+       (sse_cvttss2siq): Likewise.
+       (sse2_cvttps2dq): Likewise.
+       (sse3_movshdup): Likewise.
+       (sse3_movsldup): Likewise.
+       (sse2_cvtsd2si): Likewise.
+       (sse2_cvtsd2si_2): Likewise.
+       (sse2_cvtsd2siq): Likewise.
+       (sse2_cvtsd2siq_2): Likewise.
+       (sse2_cvttsd2si): Likewise.
+       (sse2_cvttsd2siq): Likewise.
+       (*sse2_cvtpd2dq): Likewise.
+       (*sse2_cvttpd2dq): Likewise.
+       (sse2_pshuflw_1): Likewise.
+       (sse2_pshufhw_1): Likewise.
+       (sse4a_insertqi): Likewise.
+       (sse4a_insertq): Likewise.
+       (ssse3_phaddwv8hi3): Set prefix_data16 and prefix_extra.
+       (ssse3_phadddv4si3): Likewise.
+       (ssse3_phaddswv8hi3): Likewise.
+       (ssse3_phsubwv8hi3): Likewise.
+       (ssse3_phsubdv4si3): Likewise.
+       (ssse3_phsubswv8hi3): Likewise.
+       (ssse3_pmaddubswv8hi3): Likewise.
+       (ssse3_pmulhrswv8hi3): Likewise.
+       (ssse3_pshufbv16qi3): Likewise.
+       (ssse3_psign<mode>3): Likewise.
+       (ssse3_palignrti): Likewise.
+       (abs<mode>2): Likewise.
+       (ssse3_phaddwv4hi3): Set prefix_extra.
+       (ssse3_phadddv2si3): Likewise.
+       (ssse3_phaddswv4hi3): Likewise.
+       (ssse3_phsubwv4hi3): Likewise.
+       (ssse3_phsubdv2si3): Likewise.
+       (ssse3_phsubswv4hi3): Likewise.
+       (ssse3_pmaddubswv4hi3): Likewise.
+       (ssse3_pmulhrswv4hi3): Likewise.
+       (ssse3_pshufbv8qi3): Likewise.
+       (ssse3_psign<mode>3): Likewise.
+       (ssse3_palignrdi): Likewise.
+       (abs<mode>2): Likewise.
+       (sse2_cvtdq2ps): Set mode to V4SF instead of V2DF.
+       (*vec_dupv2df): Set mode to V2DF instead of V4SF.
+       (sse2_pmovmskb): Set mode to SI instead of V2DF.
+
 2007-04-23  Nick Clifton  <nickc@redhat.com>
 
        * params.def: Fix formatting of emacs local variables.