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  1. 14 Feb, 2007 8 commits
  3. 13 Feb, 2007 20 commits
    • common.opt: Add Wstrict-overflow and Wstrict-overflow=. · 6ac01510 
      ./:	* common.opt: Add Wstrict-overflow and Wstrict-overflow=.
	* flags.h (warn_strict_overflow): Declare.
	(enum warn_strict_overflow_code): Define.
	(issue_strict_overflow_warning): New static inline function.
	* opts.c (warn_strict_overflow): New variable.
	(common_handle_option): Handle OPT_Wstrict_overflow and
	OPT_Wstrict_overflow_.
	* c-opts.c (c_common_handle_option): Set warn_strict_overflow for
	OPT_Wall.
	* fold-const.c: Include intl.h.
	(fold_deferring_overflow_warnings): New static variable.
	(fold_deferred_overflow_warning): New static variable.
	(fold_deferred_overflow_code): New static variable.
	(fold_defer_overflow_warnings): New function.
	(fold_undefer_overflow_warnings): New function.
	(fold_undefer_and_ignore_overflow_warnings): New function.
	(fold_deferring_overflow_warnings_p): New function.
	(fold_overflow_warning): New static function.
	(make_range): Add strict_overflow_p parameter.  Change all
	callers.
	(extract_muldiv, extract_muldiv_1): Likewise.
	(fold_unary) [ABS_EXPR]: Check ABS_EXPR before calling
	tree_expr_nonnegative_p.
	(fold_negate_expr): Call fold_overflow_warning.
	(fold_range_test): Likewise.
	(fold_comparison): Likewise.
	(fold_binary): Likewise.  Call tree_expr_nonnegative_warnv_p
	instead of tree_expr_nonnegative_p.
	(tree_expr_nonnegative_warnv_p): Rename from
	tree_expr_nonnegative_p, add strict_overflow_p parameter.
	(tree_expr_nonnegative_p): New function.
	(tree_expr_nonzero_warnv_p): Rename from tree_expr_nonzero_p, add
	strict_overflow_p parameter.
	(tree_expr_nonzero_p): New function.
	* passes.c (verify_interpass_invariants): New static function.
	(execute_one_pass): Call it.
	* tree-ssa-loop-niter.c (expand_simple_operations): Ignore fold
	warnings.
	(number_of_iterations_exit, loop_niter_by_eval): Likewise.
	(estimate_numbers_of_iterations): Likewise.
	(scev_probably_wraps_p): Likewise.
	* tree-ssa-ccp.c: Include "toplev.h".
	(evaluate_stmt): Defer fold overflow warnings until we know we are
	going to optimize.
	(struct fold_stmt_r_data): Add stmt field.
	(fold_stmt_r): Defer fold overflow warnings until we know we
	optimized.
	(fold_stmt): Initialize stmt field of fold_stmt_r_data.
	(fold_stmt_inplace): Likewise.
	* tree-cfgcleanup.c: Include "toplev.h" rather than "errors.h".
	(cleanup_control_expr_graph): Defer fold overflow warnings until
	we know we are going to optimize.
	* tree-cfg.c (fold_cond_expr_cond): Likewise.
	* tree-ssa-threadedge.c (simplify_control_stmt_condition):
	Likewise.
	* tree-vrp.c (vrp_expr_computes_nonnegative): Call
	tree_expr_nonnegative_warnv_p instead of tree_expr_nonnegative_p.
	* tree-ssa-loop-manip.c (create_iv): Likewise.
	* c-typeck.c (build_conditional_expr): Likewise.
	(build_binary_op): Likewise.
	* tree-vrp.c (vrp_expr_computes_nonzero): Call
	tree_expr_nonzero_warnv_p instead of tree_expr_nonzero_p.
	(extract_range_from_unary_expr): Likewise.
	* simplify-rtx.c (simplify_const_relational_operation): Warn when
	assuming that signed overflow does not occur.
	* c-common.c (pointer_int_sum): Ignore fold overflow warnings.
	* tree.h (tree_expr_nonnegative_warnv_p): Declare.
	(fold_defer_overflow_warnings): Declare.
	(fold_undefer_overflow_warnings): Declare.
	(fold_undefer_and_ignore_overflow_warnings): Declare.
	(fold_deferring_overflow_warnings_p): Declare.
	(tree_expr_nonzero_warnv_p): Declare.
	* doc/invoke.texi (Option Summary): Add -Wstrict-overflow to list
	of warning options.
	(Warning Options): Document -Wstrict-overflow.
	* Makefile.in (tree-ssa-threadedge.o): Depend on toplev.h.
	(tree-ssa-ccp.o): Likewise.
	(tree-cfgcleanup.o): Change errors.h dependency to toplev.h.
	(fold-const.o): Depend on intl.h.
testsuite/:
	* gcc.dg/Wstrict-overflow-1.c: New test.
	* gcc.dg/Wstrict-overflow-2.c: New test.
	* gcc.dg/Wstrict-overflow-3.c: New test.
	* gcc.dg/Wstrict-overflow-4.c: New test.
	* gcc.dg/Wstrict-overflow-5.c: New test.
	* gcc.dg/Wstrict-overflow-6.c: New test.
	* gcc.dg/Wstrict-overflow-7.c: New test.
	* gcc.dg/Wstrict-overflow-8.c: New test.
	* gcc.dg/Wstrict-overflow-9.c: New test.
	* gcc.dg/Wstrict-overflow-10.c: New test.

From-SVN: r121895
      Ian Lance Taylor committed
    • re PR middle-end/30751 (internal compiler error: in extract_insn, at recog.c:2108) · 30d18db4 
      	PR middle-end/30751
	* lower-subreg.c (resolve_simple_move): Decompose subregs in
	addresses.

From-SVN: r121894
      Ian Lance Taylor committed
    • configure.ac (target_libraries): Move libgcc before libiberty. · 291f172e 
      	* configure.ac (target_libraries): Move libgcc before libiberty.
	* configure: Regenerated.

From-SVN: r121893
      Daniel Jacobowitz committed
    • builtin-bswap-2.c: New test case. · 2ebdbdfb 
      
	* gcc.target/ia64/builtin-bswap-2.c: New test case.

From-SVN: r121892
      Roger Sayle committed
    • * gcc/config/i386/i386.md (fixuns_truncdfhi2): Require SSE2. · ce9c43a1 
      From-SVN: r121891
      Stuart Hastings committed
    • * gnu/classpath/jdwp/natVMVirtualMachine.cc · a13c5b70 
              (jdwpBreakpointCB): New function.
        (jdwpVMInitCB): Define and enable the breakpoint
        callback.

From-SVN: r121889
      Keith Seitz committed
    • 2007-02-13 Andrew Haley <aph@redhat.com> · b3a00d65 
      	* testsuite/libjava.lang/Divide_2.out
	* testsuite/libjava.lang/Divide_2.java: New test.

From-SVN: r121887
      Andrew Haley committed
    • alpha.c (alpha_stdarg_optimize_hook): Strip handled_component_p before looking… · 138ae41e 
      alpha.c (alpha_stdarg_optimize_hook): Strip handled_component_p before looking for the indirect_ref.

        * config/alpha/alpha.c (alpha_stdarg_optimize_hook): Strip
        handled_component_p before looking for the indirect_ref.

From-SVN: r121886
      Richard Henderson committed
    • pr29302-1.c: Moved from... · ea20d970 
              * gcc.c-torture/execute/ieee/pr29302-1.c: Moved from...
        * gcc.c-torture/execute/pr29302-1.c: ... here.

From-SVN: r121885
      Richard Henderson committed
    • i386.md (bswapsi_1): Rename from bswapsi2, remove flags clobber. · 2e6834d3 
              * config/i386/i386.md (bswapsi_1): Rename from bswapsi2,
        remove flags clobber.
        (bswapsi2): New expander, emit code for !TARGET_BSWAP.
        (bswaphi_lowpart): New.
        (bswapdi2): Rename from bswapdi2_rex, remove flags clobber,
        remove TARGET_BSWAP test.  Delete expander of the same name.

        * optabs.c (widen_bswap, expand_doubleword_bswap): New.
        (expand_unop): Use them.

From-SVN: r121884
      Richard Henderson committed
    • * config/i386/i386.md (cmpdi_ccno_1_rex64, *cmpsi_ccno_1, · a23132e1 
      	*cmphi_ccno_1, *cmpqi_ccno_1, *movsi_xor, *movstricthi_xor,
	*movstrictqi_xor, *movdi_xor_rex64, *ashldi3_1_rex64,
	*ashldi3_cmp_rex64, *ashldi3_cconly_rex64, ashlsi3, *ashlsi3_1_zext,
	*ashlsi3_cmp, *ashlsi3_cconly, *ashlsi3_cmp_zext, *ashlhi3_1_lea,
	*ashlhi3_1, *ashlhi3_cmp, *ashlhi3_cconly, *ashlqi3_1_lea,
	*ashlqi3_1, *ashlqi3_cmp, *ashlqi3_cconly): Remove equivalent
	assembler dialect choice from asm templates.

From-SVN: r121883
      Uros Bizjak committed
    • re PR bootstrap/30753 (checking for correct version of gmp.h... no) · c3a86da9 
      	PR bootstrap/30753
	* configure.ac: Remove obsolete build / host tests.  Use AC_PROG_CC
	unconditionally.  Use AC_PROG_CXX.  Use ACX_TOOL_DIRS to find $prefix.
	* configure: Regenerated.

Co-Authored-By: Paolo Bonzini <bonzini@gnu.org>

From-SVN: r121882
      Daniel Jacobowitz committed
    • locale_facets.tcc (num_get<>::do_get): Avoid warning about ambiguous else. · 9e0b7527 
      2007-02-13  Dirk Mueller  <dmueller@suse.de>

       * include/bits/locale_facets.tcc (num_get<>::do_get): Avoid
       warning about ambiguous else.

From-SVN: r121881
      Dirk Mueller committed
    • ffi.c (ffi_prep_args, [...]): Add long double handling. · 7a23933b 
      2007-02-13  Andreas Krebbel  <krebbel1@de.ibm.com>

	* src/s390/ffi.c (ffi_prep_args, ffi_prep_cif_machdep,
	ffi_closure_helper_SYSV): Add long double handling.

From-SVN: r121879
      Andreas Krebbel committed
    • jvmti.cc (_Jv_JVMTI_GetStackTrace): Remove cast from jthread to Thread *; it is no longer needed. · 9606c9dd 
              * jvmti.cc (_Jv_JVMTI_GetStackTrace): Remove cast
        from jthread to Thread *; it is no longer needed.
        (_Jv_JVMTI_GetFrameCount): Likewise.
        Fix small formatting typo.

From-SVN: r121878
      Keith Seitz committed
    • i386.md (fixuns_trunc<SSEMODEF>si_1): New insn. · 174c12c7 
              * config/i386/i386.md (fixuns_trunc<SSEMODEF>si_1): New insn.
        (fixuns_trunc<SSEMODEF>si2): Use it.
        * config/i386/sse.md (vec_setv4sf_0): Export.
        * config/i386/i386.c (ix86_build_const_vector): Export.
        (ix86_split_convert_uns_si_sse): Rename from
        ix86_expand_convert_uns_si_sse and rewrite as a splitter.
        * config/i386/i386-protos.h: Update.

From-SVN: r121877
      Richard Henderson committed
    • re PR c/29521 (Confusing warning for return with expression in function returning void) · 2397c575 
      2007-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

	PR c/29521
	* c-typeck.c (c_finish_return): Improve warning message.

testsuite/
	* gcc.dg/c90-return-1.c: Update output.
	* gcc.dg/c99-return-1.c: Likewise.

From-SVN: r121876
      Manuel López-Ibáñez committed
    • re PR libstdc++/21172 (potential integer overflow error in STL heap functions) · bad333ff 
      2007-02-12  Paolo Carlini  <pcarlini@suse.de>

	PR libstdc++/21172
	* include/bits/stl_heap.h (__adjust_heap(_RandomAccessIterator,
	_Distance, _Distance, _Tp), __adjust_heap(_RandomAccessIterator,
	_Distance, _Distance, _Tp, _Compare)): Avoid potential integer
	overflow.

	* include/bits/stl_heap.h (__is_heap(_RandomAccessIterator,
	_RandomAccessIterator), __is_heap(_RandomAccessIterator,
	_RandomAccessIterator, _StrictWeakOrdering): Mark inline.
	(make_heap(_RandomAccessIterator, _RandomAccessIterator,
	_Compare)): Do not mark inline.

	* include/bits/stl_heap.h (push_heap(_RandomAccessIterator,
	_RandomAccessIterator), sort_heap(_RandomAccessIterator,
	_RandomAccessIterator)): Uncomment __glibcxx_requires_heap.

From-SVN: r121875
      Paolo Carlini committed
    • Daily bump. · 51d4712e 
      From-SVN: r121873
      GCC Administrator committed
    • alias.c (find_symbolic_term): Delete unused function. · 14a32e14 
      2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

	* alias.c (find_symbolic_term): Delete unused function.

From-SVN: r121869
      Manuel López-Ibáñez committed
  5. 12 Feb, 2007 12 commits