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* cselib.c (cselib_record_sets): Use correct mode for IF_THEN_ELSE.
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
index ae051b3..335fa39 100644 (file)
+2008-05-20  Alexandre Oliva  <aoliva@redhat.com>
+
+       * cselib.c (cselib_record_sets): Use correct mode for IF_THEN_ELSE.
+
+2008-05-19  Xinliang David Li  <davidxl@google.com>
+
+       * tree-ssa-dce.c: Revert patches of 2008-05-17 and 2008-05-18. 
+       * opts.c: Ditto.
+       * common.opt: Ditto.
+       * doc/invoke.texi: Ditto.
+
+2008-05-19  Eric Botcazou  <ebotcazou@adacore.com>
+
+       * tree.c (substitute_in_expr) <tcc_vl_exp>: Fix thinko.
+       (substitute_placeholder_in_expr) <tcc_vl_exp>: Minor tweak.
+
+2008-05-19  H.J. Lu  <hongjiu.lu@intel.com>
+
+       * config/i386/i386.c (ix86_expand_vector_init_concat): Change
+       sizes of operand array from 8/4 to 4/2.
+       (ix86_expand_vector_init_general): Change size of operand array
+       from 32 to 16.  Remove op0, op1 and half_mode.
+
+2008-05-19  H.J. Lu  <hongjiu.lu@intel.com>
+
+       * config/i386/i386.c (ix86_expand_vector_init_concat): New.
+       (ix86_expand_vector_init_interleave): Likewise.
+       (ix86_expand_vector_init_general): Use them.  Assert word_mode
+       == SImode when n_words == 4.
+
+2008-05-19  Uros Bizjak  <ubizjak@gmail.com>
+
+       * config/i386/i386.c (ix86_secondary_reload): New static function.
+       (TARGET_SECONDARY_RELOAD): New define.
+       * config/i386/i386.h (SECONDARY_OUTPUT_RELOAD_CLASS): Remove.
+       * config/i386/i386.md (reload_outqi): Remove.
+
+2008-05-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+       PR middle-end/35509
+       * builtins.c (mathfn_built_in_1): Renamed from mathfn_built_in.
+       Add `implicit' parameter.  Handle BUILT_IN_SIGNBIT.
+       (mathfn_built_in): Rewrite in terms of mathfn_built_in_1.
+       (fold_builtin_classify): Handle BUILT_IN_ISINF_SIGN.
+       (fold_builtin_1): Likewise.
+       * builtins.def (BUILT_IN_ISINF_SIGN): New.
+       c-common.c (check_builtin_function_arguments): Handle
+       BUILT_IN_ISINF_SIGN.
+       * doc/extend.texi: Document __builtin_isinf_sign.
+       * fold-const.c (operand_equal_p): Handle COND_EXPR.
+
+2008-05-18  Eric Botcazou  <ebotcazou@adacore.com>
+
+       * tree-ssa-dom.c (tree_ssa_dominator_optimize): If some blocks need
+       EH cleanup at the end of the pass, search for those that have been
+       turned into forwarder blocks and do the cleanup on their successor.
+
+2008-05-18  Richard Guenther  <rguenther@suse.de>
+
+       * tree-cfg.c (verify_gimple_expr): Allow conversions from
+       pointers to sizetype and vice versa.
+
+2008-05-18 Xinliang David Li   <davidxl@google.com>
+
+       * gcc/tree-ssa-dce.c: Coding style fix.
+       (check_pow): Documentation comment. 
+       (check_log): Documenation comment. Coding style fix.
+       (is_unnecessary_except_errno_call): Ditto.
+       (gen_conditions_for_pow): Ditto.
+       (gen_conditions_for_log): Ditto.
+       (gen_shrink_wrap_conditions): Ditto.
+       (shrink_wrap_one_built_in_calls): Ditto.
+       * gcc/doc/invoke.texi: Better documentation string.
+       * ChangeLog: Fix wrong change log entries from 
+       May 17 checkin on function call DCE.
+
+2008-05-17  Kaz Kojima  <kkojima@gcc.gnu.org>
+
+       * config/sh/sh.c (sh_output_mi_thunk): Update the use of init_flow.
+
+2008-05-17  Kenneth Zadeck <zadeck@naturalbridge.com>
+
+       * doc/rtl.texi (RTL_CONST_CALL_P, RTL_PURE_CALL_P): Fixed typos.
+       * df-problems.c (simulation routines): Fixed block comment to
+       properly say how to add forwards scanning functions.
+       
+2008-05-17  Eric Botcazou  <ebotcazou@adacore.com>
+
+       * tree-inline.c (setup_one_parameter): Remove dead code.
+
 2008-05-17  Eric Botcazou  <ebotcazou@adacore.com>
 
        * fold-const.c (fold_unary) <CASE_CONVERT>: Fold the cast into
        a BIT_AND_EXPR only for an INTEGER_TYPE.
 
+2008-05-17 Xinliang David Li   <davidxl@google.com>
+
+       * gcc/tree-ssa-dce.c (cond_dead_built_in_calls): New static variable.
+       (check_pow, check_log, is_unnecessary_except_errno_call): New 
+       functions to check for eliminating math functions that are pure 
+       except for setting errno.
+       (gen_conditions_for_pow, gen_conditionas_for_log): New functions to
+       general condition expressions for shrink-wrapping pow/log calls.
+       (gen_shrink_wrap_conditions): Ditto.
+       (shrink_wrap_one_built_in_call): Ditto.
+       (shrink_wrap_conditional_dead_built_in_calls): Ditto.
+       (mark_operand_necessary): If debugging, output if OP is necessary.
+       (eliminate_unnecessary_stmts): Eliminate pow, log calls that are
+       unnecessary.
+       * gcc/opts.c (decode_options): set flag_tree_builtin_dce to 1 when
+       opt level >= 2.
+       * gcc/common.opt: New user flag -ftree-builtin-dce.
+       * gcc/doc/invoke.texi (-ftree-builtin-dce): New option.
+
 2008-05-16  David S. Miller  <davem@davemloft.net>
 
-       * config/sparc/linux.h (NO_PROFILE_COUNTERS): Undef before
-       overriding.
+       * config/sparc/linux.h (NO_PROFILE_COUNTERS): Undef before overriding.
        * config/sparc/linux64.h (NO_PROFILE_COUNTERS): Likewise.
 
 2008-05-16  Uros Bizjak  <ubizjak@gmail.com>
        * ifcvt.c (dead_or_predicable): Rename
        df_simulate_one_insn_backwards to df_simulate_one_insn.
        * recog.c (peephole2_optimize): Ditto.
-       * rtl-factoring.c (collect_pattern_seqs, clear_regs_live_in_seq): 
+       * rtl-factoring.c (collect_pattern_seqs, clear_regs_live_in_seq):
        Ditto.
        * df.h: Rename df_simulate_one_insn_backwards to
        df_simulate_one_insn.  and delete df_simulate_one_insn_forwards.
        * tree-ssa-sccvn.c (compare_ops, init_scc_vn): Ditto.
        * function.h (cfun.last_stmt_uid): New field.
        * tree-flow-inline.h (set_gimple_stmt_uid, gimple_stmt_uid,
-       gimple_stmt_max_uid, set_gimple_stmt_max_uid, 
-       inc_gimple_stmt_max_uid): New functions.
+       gimple_stmt_max_uid, set_gimple_stmt_max_uid, inc_gimple_stmt_max_uid):
+       New functions.
        * tree-dfa.c (renumber_gimple_stmt_uids): New function.
        (create_stmt_ann): Initialize the ann->uid field.
        * tree-ssa-pre.c (compute_avail): Encapsulate the stmt_ann->uid
        MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Likewise.
        * config/bfin/t-bfin-linux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
        MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Likewise.
-       * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
-       BFIN_CPU_UNKNOWN.
+       * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add BFIN_CPU_UNKNOWN.
        * config/bfin/elf.h (STARTFILE_SPEC): Use specific CRT for BF561.
        (LIB_SPEC): Use proper linker script for bf561.  Error if no mcpu
        option.
        * cgraph.h (compute_inline_parameters): Made public.
        * tree-pass.h (ipa_opt_pass): Removed function_generate_summary,
        variable_generate_summary, function_write_summary,
-       variable_write_summary, variable_read_summary.  Added 
-       generate_summary, write_summary, read_summary.
+       variable_write_summary, variable_read_summary.  Added generate_summary,
+       write_summary, read_summary.
        * cgraphunit.c (cgraph_process_new_functions): Changed call from
        pass_ipa_inline.function_generate_summary, to
        compute_inline_parameters.