* toplev.c (get_src_pwd): Handle failure of getpwd().

[gcc.git] / gcc / ChangeLog

2005-01-04  Geoffrey Keating  <geoffk@apple.com>

	* toplev.c (get_src_pwd): Handle failure of getpwd().

2005-01-04  Roger Sayle  <roger@eyesopen.com>

	* fold-const.c (fold_single_bit_test): Delete unreachable handling
	of TRUTH_NOT_EXPR.
	(fold): Don't call fold_single_bit_test with a TRUTH_NOT_EXPR, as
	all the cases handled by it are inverted by invert_truthvalue.

2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>

	* config/sparc/sparc.md (save_register_windowdi): Add missing mode.
	(save_register_windowsi): Likewise.

2005-01-04  Richard Henderson  <rth@redhat.com>

	* tree-mudflap.c (mf_varname_tree): Fix thinko setting declname.

2005-01-04  Uros Bizjak  <uros@kss-loka.si>

	PR middle-end/17767
	* cse.c (fold_rtx) [RTX_COMPARE, RTX_COMM_COMPARE]: Don't attempt
	any simplifications of vector mode comparison operators.
	* simplify-rtx.c (simplify_relational_operation): Fix variable name.

2005-01-04  Paolo Bonzini  <bonzini@gnu.org>
	    Devang Patel  <dpatel@apple.com>

	PR tree-optimization/18308
	* tree-if-conv.c (add_to_dst_predicate_list): Gimplify
	the operands before creating a new expression.
	* dojump.c (do_jump): Make drop_through_label available
	for all cases.  Add expansion of COND_EXPR.

2005-01-04  Ira Rosen  <irar@il.ibm.com>

	* tree-vectorizer.c (vect_analyze_offset_expr): Test for
	INTEGER_CST instead of TREE_CONSTANT.
	(vect_gen_niters_for_prolog_loop): Test for INTEGER_CST
	instead of TREE_CONSTANT.
	(vect_analyze_pointer_ref_access): Test for INTEGER_CST
	instead of TREE_CONSTANT.

2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>

	* tree-eh.c (replace_goto_queue): Return early if the queue is empty.

2005-01-04  Uros Bizjak  <uros@kss-loka.si>

	PR target/19240
	* config/i386/i386.md (*fop_df_1_i387): Disable for TARGET_SSE_MATH.
	(*fop_df_1_i387): Disable for (TARGET_SSE2 && TARGET_SSE_MATH).

2005-01-03  Richard Henderson  <rth@redhat.com>

	* fold-const.c (force_fit_type): Cope with types larger than 2 HWI.
	(fold_convert_const_int_from_int, fold_convert_const_int_from_real,
	fold_convert_const_real_from_real): Split out from ...
	(fold_convert_const): ... here.

2005-01-03  Richard Henderson  <rth@redhat.com>

	PR target/19235
	* config/i386/i386.md (movdi_2): Separate SSE1 and SSE2 alternatives.
	(mov<MMXMODEI>_internal): Likewise.
	(movdf_nointeger): Prefer Y while not preferring, but allowing, x.
	Add V2SF case; use it for SSE1; don't use TI.
	(movdf_integer): Likewise.
	(mov<SSEMODEI>_internal, movti_internal): Force V4SF for SSE1.

2005-01-03  Ira Rosen  <irar@il.ibm.com>

	* tree-vectorizer.c (vect_strip_conversions): New function.
	(vect_analyze_offset_expr): Call vect_strip_conversions. Add
	check for binary class.	

2005-01-03  Daniel Berlin  <dberlin@dberlin.org>

	Fix PR debug/17924
	Fix PR debug/19191
	* dwarf2out.c (block_ultimate_origin): Follow decl origin if origin
	is a decl.
	* gimple-low.c (mark_blocks_with_used_vars): New function.
	(mark_blocks_with_used_subblocks): Ditto.
	(mark_used_blocks): Ditto.
	(pass_mark_used_blocks): New pass.
	* tree-inline.c: Include debug.h.
	(expand_call_inline): Call outlining_inline_function here.
	* tree-optimize.c (init_tree_optimization_passes): Add
	pass_mark_used_blocks. 
	* tree-pass.h (pass_mark_used_blocks): New.
	* Makefile.in (tree-inline.o): Add debug.h dependency.

2005-01-03  Geoffrey Keating  <geoffk@apple.com>

	* config/darwin.c (darwin_handle_weak_import_attribute): Permit
	VAR_DECLs to have weak_import attribute.

	* config/rs6000/darwin-fallback.c: Use 'ucontext_t' rather than
	'struct ucontext'.

2004-01-03  Steven Bosscher  <stevenb@suse.de>

	* passes.c (rest_of_compilation): Don't run regmove if only
	flag_expensive_optimizations, require flag_regmove instead.

2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>

	* config/sparc/litecoff.h (TARGET_OS_CPP_BUILTINS): Do not
	register "sparc".
	* config/sparc/sysv4-only.h (TARGET_OS_CPP_BUILTINS): Likewise.
	* config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
	* config/sparc/sol2-64.h (TARGET_SUB_OS_CPP_BUILTINS): Delete.
	* config/sparc/sp64-elf.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.

2005-01-03  Richard Henderson  <rth@redhat.com>

	* config/ia64/ia64.c (TARGET_VECTOR_MODE_SUPPORTED_P): New.
	(ia64_const_ok_for_letter_p): New.
	(ia64_const_double_ok_for_letter_p): New.
	(ia64_extra_constraint): New.
	(ia64_expand_vecint_compare): New.
	(ia64_expand_vcondu_v2si): New.
	(ia64_expand_vecint_cmov): New.
	(ia64_expand_vecint_minmax): New.
	(ia64_print_operand): Add 'v'.
	(ia64_preferred_reload_class): New.
	(ia64_vector_mode_supported_p): New.
	* config/ia64/ia64.h (UNITS_PER_SIMD_WORD): New.
	(PREFERRED_RELOAD_CLASS): Move to function.
	(CONST_OK_FOR_LETTER_P): Move to function.
	(CONST_DOUBLE_OK_FOR_LETTER_P): Move to function.
	(CONSTRAINT_OK_FOR_Q, CONSTRAINT_OK_FOR_R): Remove.
	(CONSTRAINT_OK_FOR_S, CONSTRAINT_OK_FOR_T): Remove.
	(EXTRA_CONSTRAINT): Move to function.
	* config/ia64/ia64.md: Include vect.md.
	(itanium_class): Add mmalua.
	(type): Handle it.
	* config/ia64/itanium1.md (1_mmalua): New.  Add it to bypasses.
	(1b_mmalua): New.
	* config/ia64/itanium2.md (2_mmalua, 2b_mmalua): Similarly.
	* config/ia64/predicates.md (gr_reg_or_0_operand): Accept any
	CONST0_RTX.
	(const_int_2bit_operand): New.
	(fr_reg_or_0_operand): New.
	* config/ia64/ia64-modes.def: Add vector modes.
	* config/ia64/ia64-protos.h: Update.
	* config/ia64/vect.md: New file.

2005-01-03  Richard Henderson  <rth@redhat.com>

	* simplify-rtx.c (simplify_binary_operation): Handle VEC_CONCAT.

2005-01-03  Uros Bizjak  <uros@kss-loka.si>

	PR target/19236
	* config/i386/i386.c (log1psf2): Change mode of operands[0,1]
	to SFmode.
	(log1pdf2): Change mode of operands[0,1] to DFmode.

2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>

	* config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Define to false.
	* config/sparc/linux.h (SPARC_RELAXED_ORDERING): Define to true.
	* config/sparc/linux64.h (SPARC_RELAXED_ORDERING): Likewise.
	* config/sparc/sparc.c (TARGET_RELAXED_ORDERING): Define to
	SPARC_RELAXED_ORDERING.

2005-01-03  Richard Henderson  <rth@redhat.com>
	    Uros Bizjak  <uros@kss-loka.si>

	PR target/14631
	* config/i386/i386.c (ix86_expand_builtin): [IX86_BUILTIN_PINSRW,
	IX86_BUILTIN_PINSRW128]: Fix wrong selector range in error message.
	* config/i386/i386.md (mmx_pinsrw, sse2_pinsrw): Fix selector
	handling.
	(*mmx_pinsrw, *sse2_pinsrw): New patterns.
	* config/i386/i386/predicates.md (const_pow2_1_to_8_operand,
	const_pow2_1_to_128_operand): New predicates.

2005-01-02  Greg McGary  <greg@mcgary.org>

	* tree-mudflap.c (mf_varname_tree): decl_printable_name handles
	anonymous decls.
	(mf_xform_derefs_1) [RESULT_DECL, STRING_CST]: Handle as innermost
	object.  [ptr_type]: Remove unused variable.
	Remember nearest addressable array-element or record-component
	when checking bitfield components.  Tolerate empty BIND_EXPR.

2005-01-01  Richard Henderson  <rth@redhat.com>

	* tree-vectorizer.c (vect_analyze_offset_expr): Strip conversions
	that don't narrow the value.  Fail for other conversions.

2005-01-01  Richard Henderson  <rth@redhat.com>

	PR c/19031
	* c-decl.c (pop_file_scope): Call maybe_apply_pending_pragma_weaks.
	* c-lang.c (finish_file): Don't do it here.
	* objc/objc-act.c (objc_finish_file): Likewise.

	* cgraph.c (decl_assembler_name_equal): New.
	(cgraph_node_for_asm, cgraph_varpool_node_for_asm): New.
	(cgraph_varpool_node): Actually link up cgraph_varpool_nodes.
	* cgraph.h (struct cgraph_varpool_node): Add next.
	(cgraph_node_for_asm, cgraph_varpool_node_for_asm): Declare.
	* varasm.c (assemble_alias): Mark the target as needed.

2005-01-01  Andrew Pinski  <pinskia@physics.uc.edu>

	PR middle-end/19221
	* function.c (get_arg_pointer_save_area): Use entry_of_function
	instead of get_insns.

2005-01-01  Roger Sayle  <roger@eyesopen.com>
	    Andrew Pinski  <pinskia@physics.uc.edu>
	    James E. Wilson  <wilson@specifixinc.com>

	PR rtl-optimization/12092
	* loop.c (emit_prefetch_instructions): Do nothing if PREFETCH_BLOCK
	is zero.

2005-01-01  Roger Sayle  <roger@eyesopen.com>
	    Olivier Hainque  <hainque@act-europe.fr>

	* tree.c (int_fits_type_p): A narrower type always fits in a
	wider one, except for negative values into unsigned types.

2005-01-01  Roger Sayle  <roger@eyesopen.com>

	* tree.c (int_fits_type_p): Compare the result of force_fit_type
	with the original constant rather than require TREE_OVERFLOW.

2005-01-01  Steven Bosscher  <stevenb@suse.de>

	PR middle-end/17544
	* c-decl.c (finish_function): If compiling C99, annotate the
	compiler generated return with the current file name and line 0.
	* tree-cfg.c (remove_useless_stmts_warn_notreached): Only warn if
	the source line is greater than 0.
	(remove_bb): Likewise.

See ChangeLog.12 for earlier changes.