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  1. 26 Apr, 2007 10 commits
  3. 25 Apr, 2007 23 commits
  5. 24 Apr, 2007 7 commits
    • Daily bump. · bd016fe6 
      From-SVN: r124133
      GCC Administrator committed
    • re PR tree-optimization/31605 (VRP eliminates a useful test due with conversion… · 8cf781f0 
      re PR tree-optimization/31605 (VRP eliminates a useful test due with conversion from unsigned int to int)

./:	PR tree-optimization/31605
	* tree-vrp.c (set_value_range): Check that min and max are not
	both overflow infinities.
	(set_value_range_to_value): New static function.
	(extract_range_from_binary_expr): Call set_value_range_to_value.
	(extract_range_from_cond_expr): Likewise.
	(extract_range_from_expr): Likewise.
	(extract_range_from_unary_expr): Likewise.  Don't create a range
	which overflows on both sides.
	(vrp_meet): Check for a useless range.
	(vrp_visit_phi_node): If we see a constant which looks like an
	overflow infinity, turn off the TREE_OVERFLOW flag.
testsuite/:
	PR tree-optimizatoin/31605
	* gcc.c-torture/execute/pr31605.c: New test.

From-SVN: r124128
      Ian Lance Taylor committed
    • re PR fortran/31587 (Module files shouldn't be updated if their content doesn't change) · 1e9ecf6d 
      	PR fortran/31587

	* lib/gcc-dg.exp (scan-module): New function.
	* gfortran.dg/module_md5_1.f90: New test.

	* module.c (write_char): Add character to the MD5 buffer.
	(read_md5_from_module_file): New function.
	(gfc_dump_module): Compute MD5 for new module file. Call
	read_md5_from_module_file. Only overwrite old module file
	if the new MD5 is different.

From-SVN: r124126
      Francois-Xavier Coudert committed
    • defarg6.C: Only run with -std=gnu++98. · a28f9a06 
      2007-04-24  Douglas Gregor  <doug.gregor@gmail.com>

       * g++.old-deja/g++.pt/defarg6.C: Only run with
       -std=gnu++98.
       * g++.old-deja/g++.pt/ucnid-1.C: Ditto.
       * g++.dg/cpp0x/variadic61.C: Ditto.
       * g++.dg/cpp0x/warn_cxx0x.C: Ditto.
       * g++.dg/cpp0x/variadic62.C: Ditto.
       * g++.dg/template/meminit1.C: Ditto.
       * g++.dg/template/operator7.C: Ditto.
       * g++.dg/template/static15.C: Ditto.
       * g++.dg/template/invalid1.C: Ditto.
       * g++.dg/template/shift1.C: Ditto.
       * g++.dg/template/error10.C: Ditto.

From-SVN: r124125
      Douglas Gregor committed
    • * flow.c (elim_reg_cond): Handle a comparison of a subreg. · 1965dd3a 
      From-SVN: r124122
      Ian Lance Taylor committed
    • re PR middle-end/25923 ([gfortran] garbled diagnostics with -O -Wuninitialized) · 438d798f 
      2007-04-24  Simon Martin  <simartin@users.sourceforge.net>

	PR diagnostic/25923
	* tree-pass.h (TDF_DIAGNOSTIC): New dump control to specify that a
	diagnostic message is being built.
	* tree-pretty-print.c (dump_generic_node): Only write the formatted text
	into BUFFER's stream if we are not building a diagnostic message.
	* toplev.c (default_tree_printer): Pass TDF_DIAGNOSTIC to
	dump_generic_node.
	* Makefile.in (toplev.o): Depend on tree-pass.h.

From-SVN: r124121
      Simon Martin committed
    • re PR tree-optimization/31602 (Overflow warning causes GDB -Werror build failure) · 4df28528 
      ./:	PR tree-optimization/31602
	* tree-ssa-loop-ch.c (copy_loop_headers): Set TREE_NO_WARNING for
	conditionals in the copied loop header.
	* tree-cfg.c (fold_cond_expr_cond): Don't issue undefined overflow
	warnings if TREE_NO_WARNING is set.
	* doc/invoke.texi (Warning Options): Clarify that
	-Wstrict-overflow does not warn about loops.
testsuite/:
	PR tree-optimization/31602
	* gcc.dg/Wstrict-overflow-11.c: We no longer issue a warning.

From-SVN: r124120
      Ian Lance Taylor committed