* real.c (mpfr_from_real): Handle Inf and NaN, and allow the
rounding mode to be specified by the caller.
(real_to_mpfr) Likewise.
* real.h: Update mpfr_from_real, mpfr_to_real prototypes to
include new arguments.
* builtins.c: Update mpfr_from_real, mpfr_to_real calls.
From-SVN: r124139
./: 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
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
./: 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
* config/rs6000/rs6000.c (function_arg_advance): For 32-bit ELF ABI,
expand on the comment about _Decimal128 arguments and check the
integer result of the modulus operation; for 64-bit ELF ABI, ensure
that _Decimal128 argument uses even/odd register pair.
(function_arg): For 32-bit ELF ABI, expand on the comment about
_Decimal128 arguments and check the integer result of the modulus
operation; for 64-bit ELF ABI, ensure that _Decimal128 argument
uses even/odd register pair.
testsuite/
* gcc.target/powerpc/ppc32-abi-dfp-1.c: New test.
* gcc.target/powerpc/ppc64-abi-dfp-1.c: New test.
From-SVN: r124116
2007-04-24 Hui-May Chang <hm.chang@apple.com>
* reload1.c (merge_assigned_reloads) : Do not merge a RELOAD_OTHER
instruction with a RELOAD_FOR_OPERAND_ADDRESS instruction.
* gcc.target/i386/reload-1.c. New.
From-SVN: r124115
* libgcc2.h (AVOID_FP_TYPE_CONVERSION): Rename from
IS_IBM_EXTENDED. Also define in terms of WIDEST_HARDWARE_FP_SIZE.
* libgcc2.c (__floatdisf): Avoid double-word arithmetic when
looking for non-zero bits shifted out. Avoid a recursive call
when constructing the scalar.
(__floatundisf): Likewise.
From-SVN: r124106
* dwarf2out.c (field_byte_offset): Move the existing logic
under the control of PCC_BITFIELD_TYPE_MATTERS and just use
the bit offset of the field if !PCC_BITFIELD_TYPE_MATTERS.
From-SVN: r124104
2007-04-24 Andreas Krebbel <krebbel1@de.ibm.com>
PR target/31641
* config/s390/s390.c (s390_expand_setmem): Don't ICE for constant length
argument of 0 for memset.
(s390_expand_movmem, s390_expand_setmem, s390_expand_cmpmem): Use
unsigned shift instead of the signed variant.
2007-04-24 Andreas Krebbel <krebbel1@de.ibm.com>
PR target/31641
* gcc.c-torture/compile/pr31641.c: New testcase.
From-SVN: r124099
gcc/
2007-xx-xx Chao-ying Fu <fu@mips.com>
Richard Sandiford <richard@nildram.co.uk>
* doc/md.texi (madd@var{m}@var{n}4, umadd@var{m}@var{n}4): Document.
* optabs.h (OTI_smadd_widen, OTI_umadd_widen): New optab_indexes.
(smadd_widen_optab, umadd_widen_optab): Define.
* optabs.c (init_optabs): Initialize smadd_widen_optab and
umadd_widen_optab.
* genopinit.c (optabs): Fill in smadd_widen_optab and
umadd_widen_optab.
* expr.c (expand_expr_real_1): Try to use smadd_widen_optab
and umadd_widen_optab to implement multiply-add sequences.
* config/mips/mips.md (*<su>mul_acc_di): Rename to...
(<u>maddsidi4): ...this. Extend condition to include
GENERATE_MADD_MSUB and TARGET_DSPR2. Change the constraint
of operand 0 to "ka" and use the three-operand form of madd<u>
for TARGET_DSPR2.
* config/mips/mips-dspr2.md (mips_madd, mips_maddu): Convert
to define_expands.
* config/mips/constraints.md (ka): New register constraint.
gcc/testsuite/
2007-xx-xx Richard Sandiford <richard@nildram.co.uk>
* gcc.target/mips/madd-1.c, gcc.target/mips/madd-2.c,
* gcc.target/mips/madd-3.c, gcc.target/mips/madd-4.c,
* gcc.target/mips/maddu-1.c, gcc.target/mips/maddu-2.c,
* gcc.target/mips/maddu-3.c, gcc.target/mips/maddu-4.c: New tests.
From-SVN: r124095
* tree-phinodes.c (reserve_phi_args_for_new_edge, remove_phi_node):
Use phi_nodes_ptr.
(create_phi_node): Use set_phi_nodes.
* omp-low.c (expand_omp_parallel): Use bb_stmt_list.
* tree-if-conv.c (process_phi_nodes): Use set_phi_nodes.
(combine_blocks): Use bb_stmt_list and set_bb_stmt_list.
* tree-flow-inline.h (phi_nodes, set_phi_nodes,
(bsi_start, bsi_last): Use bb_stmt_list.
(phi_nodes_ptr, bb_stmt_list, set_bb_stmt_list): New functions.
* cfgexpand.c (expand_gimple_basic_block): Use bb_stmt_list.
Traverse the statements using tsi iterator.
* basic-block.h (struct basic_block_def): Fields stmt_list
and phi_nodes moved to ...
(struct tree_bb_info): ... new structure.
* tree-cfg.c (create_bb): Allocate il.tree. Use set_bb_stmt_list.
(tree_merge_blocks): Use bb_stmt_list and set_bb_stmt_list.
(remove_bb): Handle blocks with NULL stmt list. Clear il.tree field.
(tree_verify_flow_info): Verify that il.tree is not set for
entry and exit block.
(tree_split_block): Use set_bb_stmt_list.
From-SVN: r124086
2007-04-23 H.J. Lu <hongjiu.lu@intel.com>
* config/i386/sse.md (sse2_stored): Don't split to inter-unit
move if inter-unit move isn't allowed.
Don't split moving the first element of V2DI to DI to inter-unit
move if inter-unit move isn't allowed.
From-SVN: r124070
2007-04-22 Richard Guenther <rguenther@suse.de>
PR tree-optimization/29789
* tree-ssa-loop-im.c (stmt_cost): Adjust cost of shifts.
(rewrite_reciprocal): New helper split out from
determine_invariantness_stmt.
(rewrite_bittest): Likewise.
(determine_invariantness_stmt): Rewrite (A >> B) & 1 to
A & (1 << B) if (1 << B) is loop invariant but (A >> B)
is not.
* gcc.dg/tree-ssa/ssa-lim-1.c: New testcase.
* gcc.dg/tree-ssa/ssa-lim-2.c: Likewise.
From-SVN: r124042
2007-04-21 Andrew Pinski <andrew_pinski@playstation.sony.com>
* timevar.c (timevar_print): Change reference of --disable-checking to
--enable-checking=release. Also warn if assert checking is disabled.
From-SVN: r124025
2007-04-21 Andrew Pinski <andrew_pinski@playstation.sony.com>
PR C/30265
* c-gimplifier.c (gimplify_compound_literal_expr): Mark the
decl as addressable if the compound literal was marked as
addressable.
Mark the decl as a gimple register if it is a complex or
vector decl and does not live in memory.
2007-04-21 Andrew Pinski <andrew_pinski@playstation.sony.com>
PR C/30265
* gcc.c-torture/compile/compound-literal-2.c: New testcase.
* gcc.c-torture/compile/compound-literal-3.c: New testcase.
From-SVN: r124024
2007-04-21 Andrew Pinski <andrew_pinski@playstation.sony.com>
* tree.h (GIMPLE_TUPLE_P): Also true for PHI_NODEs.
(GENERIC_NEXT): New function macro.
(PHI_CHAIN): Use phi_node's new chain variable.
(tree_phi_node): Change tree_common to tree_base
and add the chain field.
* tree-phinodes.c (make_phi_node): Don't set
TREE_TYPE on the new node.
* c-decl.c (lang_tree_node): Use GENERIC_NEXT
instead of checking GIMPLE_TUPLE_P in chain_next.
* tree-vect-transform.c
(get_initial_def_for_induction): Look at
PHI_RESULT_TREE for the type of the phi node.
(update_vuses_to_preheader): Use PHI_CHAIN
instead of TREE_CHAIN on the phi node.
* tree-ssa-structalias.c (compute_points_to_sets):
Likewise.
(ipa_pta_execute): Likewise.
2007-04-21 Andrew Pinski <andrew_pinski@playstation.sony.com>
* cp-tree.h (lang_tree_node): Use GENERIC_NEXT
instead of checking GIMPLE_STMT_P in chain_next.
2007-04-21 Andrew Pinski <andrew_pinski@playstation.sony.com>
* ada-tree.h (lang_tree_node): Use GENERIC_NEXT
instead of checking GIMPLE_STMT_P in chain_next.
2007-04-21 Andrew Pinski <andrew_pinski@playstation.sony.com>
* f95-lang.c (lang_tree_node): Use GENERIC_NEXT
instead of checking GIMPLE_STMT_P in chain_next.
2007-04-21 Andrew Pinski <andrew_pinski@playstation.sony.com>
* java-tree.h (lang_tree_node): Use GENERIC_NEXT
instead of checking GIMPLE_STMT_P in chain_next.
From-SVN: r124021
2007-04-21 Richard Guenther <rguenther@suse.de>
PR middle-end/31136
* fold-const.c (fold_unary): Call fold_convert_const on the
original tree.
* gcc.c-torture/execute/pr31136.c: New testcase.
From-SVN: r124020
PR target/31628
* config/i386/i386.c (type_has_variadic_args_p): Look for any
TREE_LIST with a void_type_node value, not void_list_node exactly.
From-SVN: r124014
2007-04-21 Douglas Gregor <doug.gregor@gmail.com>
* doc/standards.texi: Re-arrange into language-specific
subsections. Add a C++ section, documenting which standards we
support.
From-SVN: r124013
* config/rs6000/sysv4.h (STARTFILE_DEFAULT_SPEC): Include
ecrti.o and crtbegin.o.
(LIB_DEFAULT_SPEC): Include -lc.
(ENDFILE_DEFAULT_SPEC): Include crtend.o and ecrtn.o.
From-SVN: r124006
PR target/28623
* config/alpha/alpha.c (get_unaligned_address): Remove extra_offset
argument; update all callers.
(get_unaligned_offset): New.
* config/alpha/alpha.md (extendqidi2, extendhidi2): Don't use
get_unaligned_address, just pass on the address directly.
(unaligned_extendqidi): Use gen_lowpart instead of open-coding
the subreg in the helper patterns.
(unaligned_extendqidi_le): Use get_unaligned_offset.
(unaligned_extendqidi_be, unaligned_extendhidi_le): Likewise.
(unaligned_extendhidi_be): Likewise.
(unaligned_extendhidi): Tidy.
* config/alpha/alpha-protos.h: Update.
From-SVN: r124002