PR middle-end/36578
* convert.c (convert_to_real): Do not optimize conversions of
binary arithmetic operations between binary and decimal
floating-point types. Consider mode of target type in determining
decimal type for arithmetic. Unless
flag_unsafe_math_optimizations, do not optimize binary conversions
where this may change rounding behavior.
* real.c (real_can_shorten_arithmetic): New.
* real.h (real_can_shorten_arithmetic): Declare.
testsuite:
* gcc.dg/dfp/convert-bfp-13.c, gcc.dg/dfp/convert-bfp-14.c,
gcc.dg/dfp/convert-dfp-fold-2.c, gcc.target/i386/pr36578-1.c,
gcc.target/i386/pr36578-2.c: New tests.
From-SVN: r141432
* config/bfin/bfin-protos.h (WA_05000257, WA_05000283, WA_05000315,
ENABLE_WA_05000257, ENABLE_WA_05000283, ENABLE_WA_05000315): New.
* config/bfin/bfin.c (bfin_cpus): Add these workaround bits as
appropriate.
(must_save_p): For some workarounds, interrupts need to clobber a
P register.
(expand_prologue_reg_save, expand_epilogue_reg_restore): Save LC0
and LC1 for WA_05000257.
(expand_interrupt_handler_prologue): Add dummy read of CHIPID for
WA_05000283 and WA_05000315.
* config/bfin/bfin.md (UNSPEC_VOLATILE_DUMMY): New constant.
(movbi): Add alternative to set CC to 1; improve code for setting
CC to 0.
(dummy_load): New pattern.
From-SVN: r141431
PR middle-end/37870
* expmed.c (extract_bit_field_1): If int_mode_for_mode returns
BLKmode for non-memory, convert using a wider MODE_INT mode
or through memory.
* gcc.target/i386/pr37870.c: New test.
From-SVN: r141430
2008-10-29 Manuel López-Ibáñez <manu@gcc.gnu.org>
PR c++/26997
cp/
* parser.c (cp_parser_token_starts_cast_expression): New.
(cp_parser_cast_expression): Peek the next token to decide whether
this could be a parenthesized constructor or is definitely an
actual cast.
testsuite/
* g++.dg/parse/pr26997.C: New.
From-SVN: r141429
PR middle-end/37913
* tree-cfgcleanup.c (split_bbs_on_noreturn_calls): Only split bbs
that haven't been removed yet.
* gcc.c-torture/compile/pr37913.c: New test.
From-SVN: r141426
* config/bfin/bfin.c (struct machine_function): New member
has_loopreg_clobber.
(bfin_expand_movmem): Set it when generating memcpy insns.
(n_regs_saved_by_prologue, expand_prologue_reg_save,
expand_epilogue_reg_restore): If we have hardware loops,
memcpy insns (indicated by has_loopreg_clobber) or function
calls, we need to save the loop registers.
From-SVN: r141425
* convert.c (strip_float_extensions): Do not remove or introduce
conversions between binary and decimal floating-point types.
testsuite:
* gcc.dg/dfp/convert-bfp-12.c: New test.
From-SVN: r141407
PR middle-end/37931
* fold-const.c (distribute_bit_expr): Convert common, left and
right arguments to type.
* gcc.c-torture/execute/pr37931.c: New test.
From-SVN: r141406
* config/mn10300/mn10300.h (CALL_REALLY_USED_REGISTERS): Define.
* config/mn10300/mn10300.c (fp_regs_to_save): Test the
call_really_used_regs array rather than the call_used_regs array.
(mn10300_get_live_callee_saved_regs, expand_prologue,
expand_epilogue, output_tst): Likewise.
From-SVN: r141405
PR tree-optimization/37879
* predict.c (tree_estimate_probability): Check if last_stmt is
non-NULL before dereferencing it.
* gcc.dg/pr37879.c: New test.
From-SVN: r141390
2008-10-27 Paolo Carlini <paolo.carlini@oracle.com>
PR libstdc++/37919
Revert:
2008-10-18 Douglas Gregor <doug.gregor@gmail.com>
* include/bits/stl_pair.h (__may_be_null_pointer_init): New.
(pair::pair): Eliminate the redundant pair(U1&&, U2&&) constructor.
Add lvalue pair<U1, U2> constructor to handle non-const pair lvalues.
Remove the old variadic constructor, and instead provide several
variadic constructors that avoid failing when attempting to
initialize a pointer from a null pointer constant.
* testsuite/20_util/pair/moveable.cc (test3): Add new tests with
initialization of pointers from the null pointer constant.
From-SVN: r141388
2008-10-26 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
PR middle-end/37316
* pa.c (function_arg_padding): Pad complex and vector types upward in
64-bit runtime.
(function_arg): Use BLKmode for PARALLEL in 64-bit runtime.
From-SVN: r141380
* lib/scanasm.exp (scan-assembler, scan-assembler-not,
scan-hidden, scan-not-hidden, scan-file, scan-file-not,
scan-assembler-times, scan-assembler-dem, scan-assembler-dem-not):
Extract first word of $testcase for all upvar uses, in case
$testvar has compiler switches appended.
From-SVN: r141350
PR tree-optimization/36038
* tree-ssa-loop-ivopts.c (add_old_iv_candidates): For pointer bases
add sizetype IV with initial value zero instead of pointer type.
* gcc.c-torture/compile/pr36038.c: New test.
From-SVN: r141343
2008-10-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
PR c/7543
* value-prof.c (gimple_stringop_fixed_value): Use parentheses
around bit operation.
* profile.c (is_edge_inconsistent): Likewise.
* fold-const.c (truth_value_p): Move from here...
* tree.h (truth_value_p): ... to here.
* c-tree.h (c_expr): Update description of original_code.
* c-typeck.c (parser_build_unary_op): Set original_code.
(parser_build_binary_op): Update call to warn_about_parentheses.
* c-common.c (warn_about_parentheses): Take two additional
arguments of the operands. Use a switch. Quote operators
appropriately. Define macro APPEARS_TO_BE_BOOLEAN_EXPR_P.
Add warning about !x | y and !x & y.
* c-common.h (warn_about_parentheses): Update declaration.
cp/
* typeck.c (build_x_binary_op): Update call to
warn_about_parentheses.
* parser.c (cp_parser_binary_expression): Add note about passing
the correct code for unary expressions.
testsuite/
* gcc.dg/Wparentheses-11.c: New.
* g++.dg/warn/Wparentheses-25.C: New. XFAILED.
From-SVN: r141340
contrib/
* dg-extract-results.sh: New file.
gcc/
* Makefile.in (lang_checks_parallelized, check_gcc_parallelize,
check_p_tool, check_p_vars, check_p_subno, check_p_comma,
check_p_subwork, check_p_numbers, check_p_subdir, check_p_subdirs):
New variables.
(check-subtargets, check-%-subtargets, check-parallel-%): New
targets.
(check-%): For test targets listed in lang_checks_parallelized
if -j is used and RUNTESTFLAGS doesn't specify tests to execute,
run the testing in multiple make goals, possibly parallel, and
afterwards run dg-extract-results.sh to merge the sum and log files.
gcc/cp/
* Make-lang.in (check-c++-subtargets): New alias for
check-g++-subtargets.
(lang_checks_parallelized): Add check-g++.
(check_g++_parallelize): New variable.
gcc/fortran/
* Make-lang.in (check-f95-subtargets, check-fortran-subtargets): New
aliases for check-gfortran-subtargets.
(lang_checks_parallelized): Add check-gfortran.
(check_gfortran_parallelize): New variable.
gcc/ada/
* gcc-interface/Make-lang.in (check-ada-subtargets): Depend on
check-acats-subtargets and check-gnat-subtargets.
(check_acats_targets): New variable.
(check-acats-subtargets, check-acats%): New targets.
(check-acats): If -j is used and CHAPTERS is empty, run the testing
in multiple make goals, possibly parallel, and afterwards run
dg-extract-results.sh to merge the sum and log files.
gcc/java/
* Make-lang.in (check-java-subtargets): New target.
libstdc++-v3/
* testsuite/Makefile.am (AUTOMAKE_OPTIONS): Remove dejagnu.
(RUNTESTDEFAULTFLAGS, EXPECT, check_DEJAGNU_normal_targets): New
variables.
(%/site.exp, check-DEJAGNU%): New targets.
(check-am): Run $(MAKE) check-DEJAGNU.
* testsuite/Makefile.in: Regenerated.
From-SVN: r141337
PR target/35485
* configure.ac: AIX threads are Posix threads.
Set signal handler to aix-signal.h
* configure: Regenerate.
* classpath/native/fdlibm/fdlibm.h: Undef hz.
* include/aix-signal.h: New file.
* sysdep/powerpc/locks.h: Avoid GNU Assembler syntax.
From-SVN: r141335
Manuel López-Ibáñez
Joseph Myers
Bernd Schmidt
Jakub Jelinek
Jakub Jelinek
H.J. Lu
GCC Administrator
Tobias Burnus
Nick Clifton
Paolo Carlini
Janis Johnson
Janis Johnson
Vladimir Makarov
Vladimir Makarov
John David Anglin
Matthias Klose
Richard Guenther
Richard Sandiford
Michael Meissner
Kaz Kojima
Daniel Jacobowitz
DJ Delorie
David Edelsohn