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* tree-ssa-sink.c (sink_code_in_bb): Don't stop sinking after
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
index 503af66..4534424 100644 (file)
@@ -1,9 +1,153 @@
-2007-09-28  Jakub Jelinek  <jakub@redhat.com>
+2007-10-01  Alexandre Oliva  <aoliva@redhat.com>
 
-       PR c++/31434
-       * tree.c (cp_build_qualified_type_real): Handle TYPE_PACK_EXPANSION
-       qualification by creating qualified PACK_EXPANSION_PATTERN and
-       then calling make_pack_expansion on it.
+       * tree-ssa-sink.c (sink_code_in_bb): Don't stop sinking after
+       sinking the last stmt in a BB.
+
+2007-10-01  Alexandre Oliva  <aoliva@redhat.com>
+
+       PR middle-end/22156
+       * tree-sra.c (struct sra_elt): Add in_bitfld_block.
+       (sra_hash_tree): Handle BIT_FIELD_REFs.
+       (sra_elt_hash): Don't hash bitfld blocks.
+       (sra_elt_eq): Skip them in parent compares as well.  Handle
+       BIT_FIELD_REFs.
+       (build_element_name_1): Handle BIT_FIELD_REFs.
+       (instantiate_element): Propagate nowarn from parents.  Create
+       BIT_FIELD_REF for variables that are widened by scalarization.
+       Gimple-zero-initialize all bit-field variables that are not
+       part of parameters that are going to be scalarized on entry.
+       (instantiate_missing_elements_1): Return the sra_elt.
+       (canon_type_for_field): New.
+       (try_instantiate_multiple_fields): New.  Infer widest possible
+       access mode from decl or member type, but clip it at word
+       size, and only widen it if a field crosses an alignment
+       boundary.
+       (instantiate_missing_elements): Use them.
+       (generate_one_element_ref): Handle BIT_FIELD_REFs.
+       (scalar_bitfield_p): New.
+       (sra_build_assignment): Optimize assignments from scalarizable
+       BIT_FIELD_REFs.  Use BITS_BIG_ENDIAN to determine shift
+       counts.
+       (REPLDUP): New.
+       (sra_build_bf_assignment): New.  Optimize assignments to
+       scalarizable BIT_FIELD_REFs.
+       (sra_build_elt_assignment): New.  Optimize BIT_FIELD_REF
+       assignments to full variables.
+       (generate_copy_inout): Use the new macros and functions.
+       (generate_element_copy): Likewise.  Handle bitfld differences.
+       (generate_element_zero): Don't recurse for blocks.  Use
+       sra_build_elt_assignment.
+       (generate_one_element_init): Take elt instead of var.  Use
+       sra_build_elt_assignment.
+       (generate_element_init_1): Adjust.
+       (bitfield_overlap_info): New struct.
+       (bitfield_overlaps_p): New.
+       (sra_explode_bitfield_assignment): New.  Adjust widened
+       variables to account for endianness.
+       (sra_sync_for_bitfield_assignment): New.
+       (scalarize_use): Re-expand assignment to/from scalarized
+       BIT_FIELD_REFs.  Explode or sync needed members for
+       BIT_FIELD_REFs accesses or assignments.  Use REPLDUP.
+       (scalarize_copy): Use REPLDUP.
+       (scalarize_ldst): Move assert before dereference.  Adjust EH
+       handling.
+       (dump_sra_elt_name): Handle BIT_FIELD_REFs.
+
+2007-10-01  Paolo Bonzini  <bonzini@gnu.org>
+
+       * simplify-rtx.c (comparison_result, simplify_relational_operation_1):
+       Rename CR_* constants to CMP_*.  Fix spacing.
+
+2007-10-01  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
+
+       PR other/33585
+       * Makefile.in (build_html_dir/gccinstall): gccinstall.texi needs
+       to be processed with the special script doc/install.texi2html.
+       
+2007-09-30  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
+
+       * doc/invoke.texi (Wall): List the options enabled by Wall.
+       (Wstrict-aliasing): Add missing @option.
+       
+2007-09-30  Richard Sandiford  <rsandifo@nildram.co.uk>
+
+       * config/mips/mips.c (mips_split_64bit_move): Use gen_rtx_REG_offset
+       rather than gen_lowpart to change a register from DImode to DFmode.
+       (mips_cannot_change_mode_class): Only allow FPRs to change mode if
+       both FROM and TO are integer modes that are no bigger than 4 bytes.
+       (mips_mode_ok_for_mov_fmt_p): New function.
+       (mips_preferred_reload_class): Use it instead of FLOAT_MODE_P.
+       (mips_secondary_reload_class): Tweak formatting and comments.
+       Use reg_class_subset_p instead of direct comparisons with
+       classes.  Only allow direct FPR<->FPR moves for modes that
+       satisfy mips_mode_ok_for_mov_fmt_p.  Only allow loads and stores
+       for 4- and 8-byte types.  Handle reloads in which X is an FPR.
+       * config/mips/mips.md (*movdi_gp32_fp64): Remove f<-f alternative.
+       (*movdi_64bit): Likewise.
+       (*movsi_internal): Likewise.
+       (*movhi_internal): Likewise.
+       (*movqi_internal): Likewise.
+
+2007-09-30  Diego Novillo  <dnovillo@google.com>
+
+       PR 33593
+       * tree-ssa-ter.c (is_replaceable_p): Return false if STMT may
+       throw an exception.
+
+2007-09-30  Uros Bizjak  <ubizjak@gmail.com>
+
+       PR tree-optimization/33597
+       * tree-vect-analyze.c (vect_build_slp_tree): Check if optab handler
+       for LSHIFT_EXPR and RSHIFT_EXPR is available for vec_mode.
+
+2007-09-28  Uros Bizjak  <ubizjak@gmail.com>
+
+       * config/i386/i386.c (ix86_expand_move): Use can_create_pseudo_p ()
+       instead of variants of (!reload_in_progress && !reload_completed).
+       (x86_expand_vector_move): Ditto.
+
+2007-09-28  Ollie Wild  <aaw@google.com>
+
+       Revert
+       2007-09-27  Ollie Wild  <aaw@google.com>
+
+       * varasm.c (compare_constant): Removed call to
+       lang_hooks.expand_constant.
+       (copy_constants): Removed call to lang_hooks.expand_constant.
+       (compute_reloc_for_constant): Removed call to
+       lang_hooks.expand_constant.
+       (output_addressed_constants): Removed call to
+       lang_hooks.expand_constant.
+       (constructor_static_from_elts_p): Removed call to
+       lang_hooks.expand_constant.
+       (output_constant): Removed calls to lang_hooks.expand_constant.
+       * langhooks.h (struct lang_hooks): Removed field expand_constant.
+       * langhooks-def.h (lhd_return_tree): Removed.
+       (LANG_HOOKS_EXPAND_CONSTANT): Removed.
+       (LANG_HOOKS_INITIALIZER): Removed LANG_HOOKS_EXPAND_CONSTANT.
+       * langhooks.c (lhd_return_tree): Removed.
+
+2007-09-28  Andrew Pinski  <andrew_pinski@playstation.sony.com>
+
+       PR target/33347
+       * config/spu/spu.c (spu_expand_insv): Call copy_rtx on the second
+       argument to gen_selb.
+
+2007-09-28  Chao-ying Fu  <fu@mips.com>
+
+       * libgcc-std.ver: Add fixed-point routines to GCC_4.3.0 section.
+       * doc/libgcc.texi (Fixed-point fractional library routines):
+       Fix typos for neg and cmp functions.
+
+2007-09-28  Michael Matz  <matz@suse.de>
+
+       PR rtl-optimization/33552
+       * function.c (match_asm_constraints_1): Check for overlap in
+       inputs and replace all occurences.
+
+2007-09-28  Richard Sandiford  <rsandifo@nildram.co.uk>
+
+       * config/mips/mips.c (override_options): Fix comment typo.
 
 2007-09-28  Jie Zhang  <jie.zhang@analog.com>
 
 
 2007-09-25  Michael Meissner  <michael.meissner@amd.com>
 
-       PR c/33524
+       PR target/33524
        * config/i386/i386.c (ix86_expand_sse5_unpack): Change to call
        gen_sse5_pperm_sign_v4si_v2di and gen_sse5_pperm_zero_v4si_v2di
        for vector int32 -> int64 conversions.  Don't write beyond the end