Joseph Myers [Thu, 8 Jul 2004 08:45:05 +0000 (09:45 +0100)]
re PR c/2511 (-pedantic not warning about bitfield overflow)
2004-07-08 Joseph S. Myers <jsm@polyomino.org.uk>
Neil Booth <neil@daikokuya.co.uk>
PR c/2511
PR c/3325
* c-decl.c (finish_struct): Ensure bit-fields are given the
correct type.
* c-common.c (c_common_signed_or_unsigned_type): For C, require
the precision to match as well as the mode.
* expr.c (reduce_to_bit_field_precision): New function.
(expand_expr_real_1): Reduce expressions of bit-field type to
proper precision.
* langhooks.h (reduce_bit_field_operations): New hook.
* langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
Define.
* c-lang.c, objc/objc-lang.c
(LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Define.
* objc/objc-act.c (check_ivars): Convert types to bit-field types
before checking.
* tree.c (build_nonstandard_integer_type): New function.
* tree.h (build_nonstandard_integer_type): New prototype.
* tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't treat
conversions between integer and boolean types as useless.
Eric Botcazou [Thu, 8 Jul 2004 06:41:13 +0000 (08:41 +0200)]
re PR bootstrap/16326 (Bootstrap failure after "RTL prologue/epilogue for SPARC" patch)
PR bootstrap/16326
* reorg.c: Revert 2004-06-30 change.
(find_end_label): If HAVE_epilogue and !HAVE_return,
return 0 instead of creating a label at the end of the insn chain.
(optimize_skip): Account for the failure mode of find_end_label.
(fill_simple_delay_slots): Likewise.
(fill_slots_from_thread): Likewise.
(relax_delay_slots): Likewise.
Jan Beulich [Thu, 8 Jul 2004 06:26:08 +0000 (06:26 +0000)]
varasm.c (assemble_variable): Use assemble_zeros for zero-initialized variables.
* varasm.c (assemble_variable): Use assemble_zeros for
zero-initialized variables.
(categorize_decl_for_section): Honor flag_zero_initialized_in_bss
for SECCAT_BSS and SECCAT_TBSS.
Co-Authored-By: Richard Henderson <rth@redhat.com>
From-SVN: r84271
Mark Mitchell [Thu, 8 Jul 2004 04:32:27 +0000 (04:32 +0000)]
cp-tree.h (saved_scope): Remove x_previous_class_type and x_previous_class_values...
* cp-tree.h (saved_scope): Remove x_previous_class_type and
x_previous_class_values; add x_previous_class_level.
(previous_class_type): Remove.
(previous_class_values): Remove.
(previous_class_level): New macro.
* class.c (pushclass): Restore the identifier cache more
expeditiously.
(invalidate_class_lookup_cache): Use vector for class_shadowed and
previous_class_values.
* decl.c (poplevel): Likewise.
* name-lookup.c (cxx_binding_init): New function.
(cxx_binding_make): Use it.
(push_binding): For a binding in a class level, use a vector of
cp_class_binding nodes.
(push_binding_level): New function.
(begin_scope): Use it.
(leave_scope): Do not put class binding levels on the free list.
(print_binding_level): Adjust for the fact that class_shadowed is
a vector.
(poplevel_class): Likewise.
(clear_identifier_class_values): Likewise.
(push_class_level_binding): Likewise.
(set_class_shadows): Remove.
(store_binding): New function.
(store_class_bindings): New function.
(push_to_top_level): Use store_class_bindings as appropriate.
(pop_from_top_level): Use previous_class_level, not
previous_class_type.
* name-lookup.h (cp_class_binding): New type.
(cp_binding_level): Use a vector object for class_shadowed.
(push_binding_level): Declare.
(set_class_shadows): Remove.
* expr.c (expand_strcpy): Renamed and moved to...
* builtins.c (expand_movstr): ... here. Tweak.
(expand_builtin_strcpy): Adjust. Use movstr if len can't be
computed or has side effects.
(expand_builtin_stpcpy): Likewise. Use strcpy if return value is
unused, or if mempcpy fails. Adjust the return value in the
latter case. Use movstr if everything else fails.
* doc/md.texi (movstr): Document.
(movmemM, clrmemM): Fix explanation of memory block operands.
* config/h8300/h8300.md (stpcpy): Renamed to...
(movstr): ... this. Adjust.
2004-07-07 Alexandre Oliva <aoliva@redhat.com>
* config/h8300/h8300.md: Rename movstr*, except for movstrict*, to
movmem* and clrstr* to clrmem*.
2004-06-27 Alexandre Oliva <aoliva@redhat.com>
* config/h8300/h8300.c (h8300_reg_class_from_letter): Map 'D' to
GENERAL_REGS, always.
(h8300_swap_into_er6, h8300_swap_into_er6): Handle the case of
getting the stack pointer as addr.
* config/h8300/h8300.h (PREDICATE_CODES): Remove constant rtxes
from general_operand_dst.
* config/h8300/h8300.md (movmd_internal_normal): New, normal-mode
variant of...
(movmd_internal): ... this. Add modes to operands. Disparage `D'
instead of requiring it to match only before reload.
(stpcpy_internal_normal): New, normal-mode variant of...
(stpcpy_internal): ... this. Add modes to operands. Disparage
`D' instead of requiring it to match only before reload.
* config/h8300/h8300-protos.h (h8300_legitimate_address_p): Add
mode argument.
* config/h8300/h8300.h (GO_IF_LEGITIMATE_ADDRESS): Pass it to...
* config/h8300/h8300.c (h8300_legitimate_address_p): Pass it to
h8300_get_index.
* config/h8300/h8300.md (attr type): Add call.
(attr can_delay): If type is call, set it no.
(call, call_value): Set type to call.
2004-06-21 Alexandre Oliva <aoliva@redhat.com>
* config/h8300/h8300.md (logicalhi3_sn, logicalsi3_sn): New.
2004-06-16 Alexandre Oliva <aoliva@redhat.com>
* tree.c (get_narrower): Don't narrow integral types into
non-integral types.
* config/h8300/h8300.c (h8300_expand_epilogue): Initialize
frame_size *before* the first use.
* config/h8300/h8300.md (movstrictqi): Reintroduce post-increment
on input.
(peephole2): Don't widen instructions that push SP. Move
decrement of SP to the end of all stm-generating peepholes.
2003-07-24 Richard Sandiford <rsandifo@redhat.com>
* config/h8300/h8300.md (insv): Prefer to use AND to clear a bitfield
and OR to set it to all ones.
2003-07-24 Richard Sandiford <rsandifo@redhat.com>
* config/h8300/h8300.md (can_delay): Default to "no" for bit branches.
(call, call_value): Set can_delay to "no".
2003-07-22 Richard Sandiford <rsandifo@redhat.com>
* config/h8300/h8300.md (extzv): Make subreg check more robust.
2003-07-21 Richard Sandiford <rsandifo@redhat.com>
* config/h8300/h8300.md (*brabit): Remove.
* config/h8300/h8300.md (*brabc, *brabs): Remove mode from
zero_extract. Use bit_memory_operand as the predicate for
operand 1 and 'WU' as the constraint. Check the difference
between the base length and the final one when deciding which
type of branch to use.
2003-07-21 Richard Sandiford <rsandifo@redhat.com>
* config/h8300/h8300.md (extzv): Remove mode from operands 0 and 1.
Use convert_move to extend the result for TARGET_H8300SX. Check
for QImode memory references. Optimize the case where the
destination is a paradoxical subreg.
2003-07-21 Richard Sandiford <rsandifo@redhat.com>
* config/h8300/h8300.md (*movsf_h8sx): Add an r <- G alternative.
* config/h8300/h8300.md (andqi): Remove bclr from h8sx version.
2003-07-21 Richard Sandiford <rsandifo@redhat.com>
* config/h8300/h8300.md: Include mova.md
(length_table): Add mova and mova_zero.
* config/h8300/h8300.c (print_operand): Handle '%o'. Print a length
after all constant addresses for '%R', '%X', '%T' and '%S'.
(h8300_mova_length): New function.
(h8300_insn_length_from_table): Use it to handle mova and mova_zero.
* config/h8300/t-h8300 (mova.md): Generate from genmova.sh. Add to
dependencies for s-config, etc.
* config/h8300/gemova.sh: New file.
* config/h8300/mova.md: Generated.
2003-07-20 Alexandre Oliva <aoliva@redhat.com>
* config/h8300/h8300.c (h8300_bitfield_length): New.
(nibble_operand): Adjust.
(h8300_binary_length): Handle conditional binary op.
(h8300_insn_length_from_table): Handle bitfield and bitbranch.
* config/h8300/h8300.h: Change constraints W# and Y# to P#>X and
P#<X, respectively. The original P is now IP4>X. Introduced P#>0
and P#<0, unused so far. W and Y are now prefixes to multi-letter
constraints. WU is introduced as a variant of U that requires a
mem, and is therefore considered an EXTRA_MEMORY_CONSTRAINT.
* config/h8300/h8300.md (attr type): Added bitbranch.
(attr length_table): Added bitfield and bitbranch.
(attr length): Compute bitbranch length.
(andqi): Separate pattern for H8300SX. Use bfld for loading the
least-significant bit of a byte.
(brabit, brabc, brabs): New.
(insv, extzv): Emit bfst and bfld on H8300SX.
(bfld, bfst, seq, sne): New.
(bstzhireg, cmpstz, bstz, bistz): New.
(cmpcondbset, condbset, cmpcondbclr, condbclr): New.
(cmpcondbsetreg, condbsetreg, cmpcondbclrreg, condbclrreg): New.
2003-07-11 Richard Sandiford <rsandifo@redhat.com>
* config/h8300/h8300.c (h8sx_binary_memory_operator): New function.
(h8sx_unary_memory_operator): New function.
* config/h8300/h8300.h (EXTRA_MEMORY_CONSTRAINT): Disable.
(PREDICATE_CODES): Add h8sx_{unary,binary}_memory_operator.
* config/h8300/h8300.md: Add peepholes to combine reloads and
arithmetic insns.
2003-07-10 Richard Sandiford <rsandifo@redhat.com>
* config/h8300/h830.md (cmpqi): Use 'i' rather than 'n' in constraints.
(*cmphi_h8300hs, *addqi3, *addhi3_h8sx, subhi3): Likewise.
(and?i, ior?i, xor?i): Likewise.
2003-07-10 Richard Sandiford <rsandifo@redhat.com>
* config/h8300/h8300.c: Move enums and prototypes to head of file.
Various whitespace fixes.
(h8300_constant_length): New function, split out from...
(h8300_displacement_size): ...here. Rename h8300_displacement_length.
(h8300_classify_operand): Use IN_RANGE.
(h8300_classify_operand): Use h8300_constant_length.
(h8300_short_move_mem_p): Tighten size check.
(h8sx_mergeable_memrefs_p): Tighten equality check.
2003-06-30 Richard Sandiford <rsandifo@redhat.com>
* config/h8300/h8300.h (TARGET_CPU_CPP_BUILTINS): Define __H8300SX__
for -msx.
* config/h8300/crti.asm: Use .h8300sx or .h8300sxn for -msx code.
* config/h8300/crtn.asm: Likewise.
* config/h8300/lib1funcs.asm: Likewise. Use 32-bit pointers
if __H8300SX__ is defined.
2003-06-27 Richard Sandiford <rsandifo@redhat.com>
* config/h8300/h8300-protos.h (h8300_get_index): Add mode parameter.
* config/h8300/h8300.h (GO_IF_LEGITIMATE_ADDRESS): Update accordingly.
(GO_IF_MODE_DEPENDENT_ADDRESS): Treat POST_DEC, PRE_INC and indexed
addresses as mode-dependent.
* config/h8300/h8300.c (print_operand_address): Update call to
h8300_get_index.
(h8300_get_index): Take a mode argument. Rework to fix an
earlier misunderstanding.
2003-06-26 Richard Sandiford <rsandifo@redhat.com>
* config/h8300/h8300.c (zero_extendqisi2): Force the source operand
into a register if TARGET_H8300SX.
(*zero_extendqisi2_h8300hs, *extendqisi2_h8300): Disable for
TARGET_H8300SX. Also disable related define_splits.
(*zero_extendqisi2_h8sx, *extendqisi2_h8sx): New patterns.
2003-06-23 Richard Sandiford <rsandifo@redhat.com>
* config/h8300/h8300.c (h8300_rtx_costs): Add h8sx handling.
2003-06-20 Richard Sandiford <rsandifo@redhat.com>
* config/h8300/h8300.h (OK_FOR_Z): New macro.
(EXTRA_CONSTRAINT_STR): Check it.
* config/h8300/h8300.c (h8300_classify_operand): Accept null
class arguments.
(h8300_insn_length_from_table): Handle LENGTH_TABLE_MOV_IMM4.
* config/h8300/h8300.md (length_table): Add mov_imm4.
(movqi, movhi): Add Z <- W4 alternatives to h8sx patterns.
2003-06-20 Richard Sandiford <rsandifo@redhat.com>
* genattrtab.c (write_eligible_delay): Allow candidate_insn to
be a label.
* config/h8300/h8300.h (DELAY_SLOT_LENGTH): New macro.
* config/h8300/h8300.c (h8300_reorg): New function.
(TARGET_MACHINE_DEPENDENT_REORG): Define.
* config/h8300/h8300.md (length): Subtract the length of the
delay slot from (pc) when checking the range of forward branches.
(delay_slot, can_delay): New attributes.
(define_delay): Add bra/s handling.
(movmd_internal, return_h8sx, *return_1): Set can_delay to no.
(jump): Add delayed-branch handling.
2003-06-17 Richard Sandiford <rsandifo@redhat.com>
* expr.c (expand_strcpy): New function.
* builtins.c (expand_builtin_strcpy): Fall back on expand_strcpy.
(expand_builtin_stpcpy): Likewise.
* config/h8300/h8300-protos.h (h8sx_split_movmd): Remove.
(h8300_swap_into_er6, h8300_swap_out_of_er6): Declare.
* config/h8300/h8300.c (h8300_reg_class_from_letter): Tweak 'd'
handling to improve register allocation for -fno-omit-frame-pointer.
(h8sx_split_movmd): Delete, moving er6 handling into...
(h8300_swap_into_er6, h8300_swap_out_of_er6): ...these new functions.
* config/h8300/h8300.md (UNSPEC_STPCPY): New unspec constant.
(movmd): Add calls to copy_rtx.
(movmd_internal): In the second alternative, allow the initial and
final destination registers to be different . Update the splitter
accordingly. Call h8300_swap_into_er6 and h8300_swap_out_of_er6
instead of h8sx_split_movmd.
(stpcpy, movsd): New expanders.
(movsd_internal): New define_insn.
2003-06-13 Richard Sandiford <rsandifo@redhat.com>
* config/h8300/h8300-protos.h (h8300_reg_class_from_letter): Declare.
(h8sx_emit_movmd, h8sx_split_movmd): Declare.
* config/h8300/h8300.h (reg_class): Add COUNTER_REGS, SOURCE_REGS
and DESTINATION_REGS.
(REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update accordingly.
(REGNO_REG_CLASS): Map er4, er5 and er6 to the new classes.
(REG_CLASS_FROM_LETTER): Use h8300_reg_class_from_letter.
(h8300_move_ratio): Declare.
(MOVE_RATIO): Use it.
* config/h8300/h8300.c (h8300_move_ratio): New variable.
(h8300_init_once): Initialize it.
(h8300_reg_class_from_letter): New function.
(print_operand): Add an 'm' prefix for printing ".b", ".w" or ".l".
(h8sx_emit_movmd, h8sx_split_movmd): New functions.
* config/h8300/h8300.md (UNSPEC_MOVMD): New unspec constant.
(COUNTER_REG, SOURCE_REG, DESTINATION_REG): New register constants.
(movstrsi, movmd): New expanders.
(movmd_internal): New insn.
2003-06-06 Richard Sandiford <rsandifo@redhat.com>
* config/h8300/h8300.h (EXTRA_MEMORY_CONSTRAINT): Define.
2003-06-04 Richard Sandiford <rsandifo@redhat.com>
* config/h8300/elf.h (LINK_SPEC): Use -m h8300sxnelf for -msx -mn.
* config/h8300/h8300.c (asm_file_start): Use .h8300sxn likewise.
2003-06-03 Richard Sandiford <rsandifo@redhat.com>
* config/h8300/h8300.c (nibble_operand): Fix warning.
* config/h8300/h8300.md (movstricthi): Set adjust_length to no.
(movsi_h8sx): Likewise here and the normal h8sx movhi pattern.
(movsf_h8300h): Disable for TARGET_H8300SX.
2003-06-03 Richard Sandiford <rsandifo@redhat.com>
* config/h8300/h8300.h (PREDICATE_CODES): Add h8300_ldm_parallel,
h8300_stm_parallel and h8300_return_parallel.
* config/h8300/h8300.c (h8300_push_pop, h8300_stack_offset_p,
h8300_ldm_stm_regno, h8300_ldm_stm_parallel, h8300_ldm_parallel,
h8300_stm_parallel, h8300_return_parallel): New functions.
(h8300_expand_prologue): Don't enforce ldm/stm register alignment
if TARGET_H8300SX. Use h8300_push_pop.
(h8300_expand_epilogue): Likewise. Try to merge the return insn
and final pop when generating h8sx code. Always emit some form
of return insn.
* config/h8300/h8300.md: Don't enforce register alignment in
stm peepholes if TARGET_H8300SX.
(ldm_h8300s, stm_h8300s, return_h8sx): New patterns.
(ldm_h8300s_[234], stm_h8300_[234]): Disable.
(epilogue): Expect h8300_expand_epilogue to emit a return insn.
2003-06-03 Richard Sandiford <rsandifo@redhat.com>
* config/h8300/t-h8300 (MULTILIB_OPTIONS): Add a -msx multilib.
(MULTILIB_DIRNAMES): Add a directory for it.
(MULTILIB_MATCHES): Delete.
2003-05-28 Richard Sandiford <rsandifo@redhat.com>
* final.c (walk_alter_subreg): Handle addresses with subregs
inside a ZERO_EXTEND or AND.
* config/h8300/h8300-protos.h (h8300_get_index): Declare.
* config/h8300/h8300.h (INDEX_REG_CLASS): Set to GENERAL_REGS
if TARGET_H8300SX.
(GO_IF_LEGITIMATE_ADDRESS): Use h8300_get_index.
* config/h8300/h8300.c (print_operand_address): Handle @(dd,RnL.b),
@(dd,Rn.w) and @(dd,ERn.L).
(h8300_displacement_size): Take the whole address as argument.
(h8300_classify_operand, h8300_short_move_mem_p): Adjust accordingly.
2003-05-28 Richard Sandiford <rsandifo@redhat.com>
* config/mips/mips-protos.h (h8300_operands_match_p): Declare.
(h8sx_mergeable_memrefs_p): Declare.
* config/h8300/h8300.h (HAVE_POST_DECREMENT): Define to TARGET_H8300SX.
(HAVE_PRE_INCREMENT): Likewise.
(GO_IF_LEGITIMATE_ADDRESS): Accept pre/post increment/decrement
addresses for TARGET_H8300SX,
* config/h8300/h8300.c (print_operand_address): Deal with PRE_INC
and POST_DEC.
(movb_length_table, movl_length_table): New tables.
(movw_length_table): Define to movb_length_table.
(h8300_displacement_size): New, split out from...
(h8300_classify_address): ...here. Handle pre/post inc/dec.
(h8300_short_immediate_length): Allow H8OP_MEM_COMPLEX operands.
(h8300_insn_length_from_table): Add cases for movb, movw and movl.
(h8sx_mergeable_memrefs_p, h8300_operands_match_p): New functions.
(output_plussi): Use add.l #xx:3,Rn and sub.l #xx:3,Rn for h8sx.
(compute_plussi_length, compute_plussi_cc): Update accordingly.
(h8sx_unary_shift_operator): Get the mode from the operator.
(binary_shift_operator): Likewise.
* config/h8300/h8300.md: If a peephole2 applies gen_lowpart to
a memory reference, check whether the reference is offsettable.
(length_table): Add movb, movw and movl.
(movqi): Add new h8sx pattern. Don't force one operand to be a
register when generating h8sx code.
(movhi, movsi, movsf): Likewise.
(movstrictqi): Use the length_table attribute.
(movstricthi): Likewise. Add h8sx alternative for mov.w #xx:3,Rn.
(addqi3): Split into a define_expand and define_insn. Don't accept
memory operands in the expander. Use h8300_operands_match_p to
check for matching operands in the define_insn.
(subqi3, negqi2, one_cmplqi2): Likewise.
(add[hs]i3): Don't accept memory operands in the expander. Likewise
in any patterns that are unused in h8sx code. In the h8sx patterns,
use h8300_operands_match_p to check whether operands match.
(sub[hs]i3, and[hi]3, ior[hs]i3, xor[hs]i3, neg[hsi]3,
one_cmpl[hs]i3): Likewise.
(andqi3, iorqi3, xorqi3): Likewise. Don't call fix_bit_operand
in the expander.
2003-05-23 Richard Sandiford <rsandifo@redhat.com>
* config/h8300/h8300-protos.h (expand_a_shift): Return a bool.
(h8300_insn_length_from_table): Add a second parameter.
(output_h8sx_shift): Declare.
* config/h8300/h8300.h (OK_FOR_W, OK_FOR_Y): New macros.
(EXTRA_CONSTRAINT): Replace with...
(EXTRA_CONSTRAINT_STR): ...this. Use OK_FOR_W and OK_FOR_Y.
(CONSTRAINT_LEN): Define, returning 2 for 'W' and 'Y'.
(PREDICATE_CODES): Add entries for h8sx_unary_shift_operator
and h8sx_binary_shift_operator.
* config/h8300/h8300.c (two_insn_adds_subs_operand): Return false
for TARGET_H8300SX.
(bit_operand): Replace use of EXTRA_CONSTRAINT with OK_FOR_U.
(bit_memory_operand, fix_bit_operand): Likewise.
(h8300_length_table_for_insn): Remove.
(h8300_classify_operand): Fix check for 16-bit operands in 32-bit
instructions.
(h8300_short_immediate_length, h8300_binary_length): New functions.
(h8300_insn_length_from_table): Add an opcodes parameter. Rework.
(output_plussi): Use sub to add negative constants.
(compute_plussi_length): Adjust accordingly.
(h8sx_single_shift_type): New enum.
(h8sx_single_shift, h8sx_unary_shift_operator,
h8sx_binary_shift_operator, output_h8sx_shift): New functions.
(expand_a_shift, expand_a_rotate): Emit nothing if the shift is a
single h8sx instruction. Return false in this case.
* config/h8300/h8300.md (length_table): Add short_immediate.
(length): Pass the operand array to h8300_insn_length_from_table.
(adjust_length): Assume "no" for insns with a length_table attribute.
(*cmphi_h8300hs, cmpsi): Add alternatives for #xx:3.
(*addhi3_h8300hs): Don't use for h8sx.
(*addhi3_h8sx): New pattern, with alternatives for add.w #xx:3
and sub.w #xx:3.
(ashl[qhs]i3, lshr[qhs]i3, ashr[qhs]i3, rotl[qhs]i3): Change operand
1's predicate to nonimmediate_operand. Only skip default expansion
if expand_a_shift or expand_a_rotate returns true. Add new patterns
for single h8sx shift instructions.
2003-05-22 Alexandre Oliva <aoliva@redhat.com>
* config/h8300/h8300.c (nibble_operand): Split out of...
(reg_or_nibble_operand): ... this.
* config/h8300/h8300.h (PREDICATE_CODES): Added nibble_operand.
* config/h8300/h8300.md: (mulqihi3, mulhisi3, umulqihi3,
umulhisi3): Introduce expand, and introduce separate insns for
sign- or zero-extended REG and already-extended CONST_INT.
2003-05-20 Richard Sandiford <rsandifo@redhat.com>
* config/h8300/h8300.c (h8300_unary_length): Fix miscounting.
* config/h8300/h8300.md (subqi3): Generalize for h8sx.
(subhi3): Likewise. Don't accept immediates for operand 1.
Remove the early clobber from second alternative of the h8300s pattern.
(subsi3): Generalize for h8sx. Force operand 2 into a register
on plain h8300 targets.
(subsi3_h8300): Use h8300_dst_operand for consistency with expander.
(subsi3_h8300h): Generalize for h8sx.
(one_cmplqi2, one_cmplhi2, one_cmplsi2): Likewise.
2003-05-19 Alexandre Oliva <aoliva@redhat.com>
* config/h8300/h8300.c (reg_or_nibble_operand): New.
* config/h8300/h8300.h (PREDICATE_CODES): Adjust.
(TARGET_H8300SXMUL): New.
(CONST_OK_FOR_P): New.
(CONST_OK_FOR_LETTER_P): Adjust.
* config/h8300/h8300.md (mulqihi3, mulhisi3, umulqihi3,
umulhisi3): Accept 4-bit immediate on H8SX.
(mulhi3, mulsi3, smulsi3_highpart, umulsi3_highpart): New.
(udivsi3, divhi3, udivsi3, divsi3): New.
2003-05-19 Richard Sandiford <rsandifo@redhat.com>
* config/h8300/h8300-protos.h (h8300_insn_length_from_table): Declare.
* config/h8300/h8300.h (OK_FOR_Q): New macro.
(EXTRA_CONSTRAINT): Use it to check the 'Q' constraint.
(PREDICATE_CODES): Add h8300_src_operand and h8300_dst_operand.
Add ADDRESSOF to the bit_operand entry.
* config/h8300/h8300.c (h8300_dst_operand): New predicate.
(h8300_src_operand): Likewise.
(bit_operand): Check nonimmediate_operand rather than general_operand.
Accept any nonimmediate_operand in h8sx code.
(h8300_and_costs): Initialize operands[1].
(h8300_rtx_costs) <AND>: Return false if the operands aren't valid.
(h8300_operand_class): New enum.
(h8300_length_table): New typedef.
(addb_length_table, addw_length_table, addl_length_table,
logicl_length_table): New tables.
(logicb_length_table, logicw_length_table): New macros.
(h8300_classify_operand, h8300_length_from_table,
h8300_length_table_for_insn, h8300_unary_length,
h8300_insn_length_from_table): New functions.
(output_plussi): Only use adds and subs for register destinations.
Disable redundant clause.
(compute_plussi_cc): Likewise.
(compute_plussi_length): Likewise. Use h8300_length_from_table
to work out the length of an insn.
(output_logical_op): Only use narrower immediate instructions
if the destination is a register.
(compute_logical_op_cc): Likewise.
(compute_logical_op_length): Likewise. Use h8300_length_from_table.
(h8300_adjust_insn_length): Tighten check for reg<->mem moves.
* config/h8300/h8300.md (length_table): New attribute.
(length): When an instruction has a length_table attribute, use
h8300_insn_length_from_table to calculate its default length.
(cmpqi): Use h8300_dst_operand for the first operand and
h8300_src_operand for the second.
(cmphi, *cmphi_h8300hs, cmpsi, negqi2, neghi2, neghi2_h8300h, negsi2,
negsi2_h8300h, addqi3, addhi3, *addhi3_h8300, *addhi3_h8300hs, addsi3,
addsi_h8300, addsi_h8300h, andhi3, andsi3, iorhi3,
iorsi3, xorhi3, xorsi3): Likewise.
(andqi3): Use h8300_src_operand for operand 2. Adjust the condition
so that it allows any combination of operands for TARGET_H8300SX.
(iorqi3, xorqi3): Likewise.
(cmpqi): Use the length_table attribute.
(*cmphi_h8300hs, cmpsi, addqi, *addhi3_h8300hs, andqi3, iorqi3,
xorqi3, negqi2, neghi2_h8300h, negsi2_h8300h): Likewise.
(cmpqi): Add 'Q' constraint.
(*cmphi_h8300hs, cmpsi, addqi, *addhi3_h8300hs, addsi_h8300h, andqi3,
iorqi3, xorqi3, negqi2, neghi2_h8300h, negsi2_h8300h): Likewise.
2003-05-14 Richard Sandiford <rsandifo@redhat.com>
* config/h8300/h8300.h (MASK_H8300SX): New macro.
(TARGET_H8300S): True for both -ms and -msx.
(TARGET_H8300SX): New macro.
(TARGET_SWITCHES): Add entries for -msx and -mno-sx.
* config/h8300/h8300.c (asm_file_start): Write .h8300sx for -msx.
* config/h8300/elf.h (LINK_SPEC): Use -m h8300sxelf for -msx.
* config/h8300/t-h8300 (MULTILIB_MATCHES): Use -ms multilibs for -msx.
[Temporary change.]
2003-02-28 Alexandre Oliva <aoliva@redhat.com>
* config/h8300/h8300.h (SIZE_TYPE, PTRDIFF_TYPE): Use short with
16-bit pointers and 32-bit ints.
* config/h8300/h8300.h (LEGITIMATE_CONSTANT_P): Accept
CONST_DOUBLE with mode no wider than SImode.
* config/h8300/h8300.md (extendqisi2_h8300): Add constraints for
output operand.
2003-02-27 Alexandre Oliva <aoliva@redhat.com>
* config/h8300/h8300.c (general_operand_src): Match CONSTANT_P_RTX
or SUBREG thereof.
* config/h8300/h8300.h (PREDICATE_CODES): Adjust.
2003-02-22 Alexandre Oliva <aoliva@redhat.com>
* config/h8300/h8300.c (dosize): Truncate sign * size to Pmode.
Eric Botcazou [Wed, 7 Jul 2004 21:33:09 +0000 (23:33 +0200)]
re PR target/10567 (-fno-delayed-branch not honored in back-end)
PR target/10567
* config/sparc/sparc.c (load_pic_register): Honor flag_delayed_branch.
(output_return): Likewise.
(output_sibcall): Abort if !flag_delayed_branch.
(sparc_function_ok_for_sibcall): Return 0 if !flag_delayed_branch.
(emit_and_preserve): New function.
(sparc_output_mi_thunk): Use it. Honor flag_delayed_branch. Emit an
indirect jump to the thunked-to function if !flag_delayed_branch.
* config/sparc/sparc.md (delayed_branch): New attribute.
(load_pcrel_sym): Honor flag_delayed_branch. Use above
attribute to compute the length of the insn.
(goto_handler_and_restore): Likewise.
H.J. Lu [Wed, 7 Jul 2004 20:29:13 +0000 (20:29 +0000)]
collect2.c (dump_file): Don't call cplus_demangle if HAVE_LD_DEMANGLE is defined.
2004-07-07 H.J. Lu <hongjiu.lu@intel.com>
* collect2.c (dump_file): Don't call cplus_demangle if
HAVE_LD_DEMANGLE is defined.
(main): Pass "--demangle" to ld if no_demangle is not 0 and
HAVE_LD_DEMANGLE is defined. Don't set current_demangling_style
if HAVE_LD_DEMANGLE is defined.
* configure.ac (--with-demangler-in-ld): Added
(HAVE_LD_DEMANGLE): Define if ld supports --demangle when
--with-demangler-in-ld is used.
* config.in: Regenerated.
* configure: Likewise.
Roger Sayle [Wed, 7 Jul 2004 20:19:43 +0000 (20:19 +0000)]
rs6000.c (struct processor_costs): Add new fields for simple floating point operations "fp"...
* config/rs6000/rs6000.c (struct processor_costs): Add new fields
for simple floating point operations "fp", double precision
multiplication "dmul", and single and double precision division
"sdiv" and "ddiv". Update all CPU variant tables as appropriate.
(ppc630_cost): New table split from ppc620_cost, to distinguish
differences in floating point latencies.
(rs6000_override_options): Use ppc630_cost for PROCESSOR_PPC630.
(rs6000_rtx_costs): Add support for single and double precision
floating point addition, subtraction, multiplication, division,
fused-multiply-add, fused-multiply-sub, negation, absolute value
and negative absolute value. Tweak MEM case to use prefered idiom.
Andreas Tobler [Wed, 7 Jul 2004 18:24:00 +0000 (20:24 +0200)]
configure.host: Enable hash synchronization on Darwin.
2004-07-07 Andreas Tobler <a.tobler@schweiz.ch>
* configure.host: Enable hash synchronization on Darwin.
* sysdep/powerpc/locks.h (compare_and_swap): Use '\n' instead of
';', since this is a comment on Darwin.
(compare_and_swap_release): Likewise.
PR target/1679.
* config/m32r/m32r.c (m32r_function_symbol): New function: Generate a symbol
name RTX with the correct m32r specific flags set.
(block_move_call): Use new function to generate correct symbol.
* config/m32r/m32r-protos.h: Add prototype for new funcion.
* config/m32r/m32r.h (INITIALIZE_TRAMPOLINE): Use the new function.
Roger Sayle [Tue, 6 Jul 2004 21:50:47 +0000 (21:50 +0000)]
ifcvt.c (struct noce_if_info): Add a Boolean b_unconditional field.
* ifcvt.c (struct noce_if_info): Add a Boolean b_unconditional field.
(noce_try_sign_mask): Tweak rtx_cost check if t is evaluated anyway.
(noce_process_if_block): Initialize if_info.b_unconditional if insn_b
is currently executed unconditionally, i.e. not in "else_bb".
* jartool.c
Updated copyright year.
(progname): new variable.
(end_of_entries): new variable.
(main): open and read file when updating.
(find_entry): new function.
(looks_like_dir): new function.
(read_entries): new function.
(make_manifest): added parameter `updating'.
Call `add_file_to_jar' with `updating'.
(add_to_jar_with_dir): added parameter `updating'.
Call `add_to_jar' with `updating'.
(add_to_jar): added parameter `updating'.
Call `add_file_to_jar' with `updating'.
Don't add directories if they already exist.
(add_file_to_jar): added parameter `updating'.
Update entries if they already exist.
Daniel Berlin [Tue, 6 Jul 2004 19:55:06 +0000 (19:55 +0000)]
tree-ssa-pre.c (reference_node_pool): New pool.
2004-07-06 Daniel Berlin <dberlin@dberlin.org>
* tree-ssa-pre.c (reference_node_pool): New pool.
(find_or_generate_expression): Class 'r' is okay too.
(create_value_expr_from): Ditto.
(add_to_sets): LHS should not include vuses.
(eliminate): Ditto.
(compute_avail): Reverse ordering of tests.
Valuize INDIRECT_REF as well.
* vms_conv.ads: Minor reformatting.
Alphabetical order for enumerated values of type Command_Type, to have
the command in alphabetical order for the usage.
* vms_conv.adb (Process_Argument): Set Keep_Temporary_Files to True for
the special qualifier /KEEP_TEMPORARY_FILES (minimum 6 characters).
* gnat_ugn.texi: Document new switch -dn for the GNAT driver.
* makegpr.adb (Global_Archive_Exists): New global Boolean variable
(Add_Archive_Path): Only add the global archive if there is one.
(Build_Global_Archive): Set Global_Archive_Exists depending if there is
or not any object file to put in the global archive, and don't build
a global archive if there is none.
(X_Switches): New table
(Compile_Link_With_Gnatmake): Pass to gnatmake the -X switches stored
in the X_Switches table, if any.
(Initialize): Make sure the X_Switches table is empty
(Scan_Arg): Record -X switches in table X_Switches
* opt.ads (Keep_Temporary_Files): New Boolean flag, defaulted to False.
* make.adb: Minor comment fix
* gnatname.adb (Gnatname): When not on VMS, and gnatname has been
invoked with directory information, add the directory in front of the
path.
* gnatchop.adb (Gnatchop): When not on VMS, and gnatchop has been
invoked with directory information, add the directory in front of the
path.
* gnatcmd.adb (Delete_Temp_Config_Files): Only delete temporary files
when Keep_Temporary_Files is False.
(GNATCmd): When not on VMS, and the GNAT driver has been invoked with
directory information, add the directory in front of the path.
When not on VMS, handle new switch -dn before the command to set
Keep_Temporary_Files to True.
(Non_VMS_Usage): Use lower case for the non VMS usage: this is valid
everywhere.
* gnatlink.adb (Gnatlink): When not on VMS, and gnatlink has been
invoked with directory information, add the directory in front of the
path.
2004-07-06 Thomas Quinot <quinot@act-europe.fr>
* snames.ads, snames.adb (Name_Stub): New name for the distributed
systems annex.
* rtsfind.ads: New RTE TC_Object, for DSA/PolyORB.
New RTEs RAS_Proxy_Type and RAS_Proxy_Type_Access, for DSA.
* g-socket.adb (To_Timeval): Fix incorrect conversion of
Selector_Duration to Timeval for the case of 0.0.
* exp_util.ads (Evolve_Or_Else): Fix overenthusiastic copy/paste of
documentation from Evolve_And_Then.
* sem_attr.adb, exp_attr.adb: New attribute Has_Access_Values
* sem_util.ads, sem_util.adb (Requires_Transient_Scope): Allow many
more cases of discriminated records to be recognized as not needing a
secondary stack.
(Has_Access_Values): New function.
* snames.h, snames.adb, snames.ads: New attribute Has_Access_Values
* cstand.adb, layout.ads, layout.adb, sem_ch13.ads: Change name
Set_Prim_Alignment to Set_Elem_Alignment (more accurate correspondence
with LRM terminology).
Change terminology in comments primitive type => elementary type.
2004-07-06 Ed Schonberg <schonberg@gnat.com>
PR ada/15602
* sem_ch7.adb (Unit_Requires_Body): For a generic package, the formal
parameters do not impose any requirements on the presence of a body.
2004-07-06 Ed Schonberg <schonberg@gnat.com>
PR ada/15593
* sem_ch12.adb (Analyze_Package_Instantiation): If the generic is not a
compilation unit and is in an open scope at the point of instantiation,
assume that a body may be present later.
2004-07-06 Ed Schonberg <schonberg@gnat.com>
* sem_ch13.adb (Analyze_Attribute_Definition_Clause, case 'Size):
Improve error message when specified size is not supported.
* sem_ch6.adb (Maybe_Primitive_Operation): A library-level subprogram
is never a primitive operation.
Eric Botcazou [Tue, 6 Jul 2004 12:51:03 +0000 (14:51 +0200)]
sparc.c (get_pc_symbol): Rename into add_pc_to_pic_symbol.
* config/sparc/sparc.c (get_pc_symbol): Rename into
add_pc_to_pic_symbol.
(get_pc_symbol_name): Rename into add_pc_to_pic_symbol_name.
(load_pic_register): Account for previous changes.
Use reg_names. Don't create the label twice.
* config/sparc/sparc.md (UNSPEC_GET_PC): Rename into
UNSPEC_LOAD_PCREL_SYM.
(get_pc): Rename into load_pcrel_sym. Add predicate to
operands. Remove condition.
Mark Mitchell [Tue, 6 Jul 2004 07:16:32 +0000 (07:16 +0000)]
revert: re PR tree-optimization/16115 (double-destruction problem with argument passing via temporary (breaks auto_ptr))
Revert:
2004-06-24 Jason Merrill <jason@redhat.com>
PR c++/16115
* decl.c (grokparms): Give the PARM_DECL reference type if the
parameter is passed by invisible reference.
* config/mcore/mcore.c (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE):
Define.
* config/mcore/mcore.md: Model memory latency with a simple DFA
pipeline description instead of a define_function_unit.
Richard Kenner [Tue, 6 Jul 2004 02:20:16 +0000 (02:20 +0000)]
langhooks-def.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Extra arg.
* langhooks-def.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Extra arg.
* langhooks.h (var_mod_type_p): Likewise.
* c-decl.c (finish_decl): Add extra arg to variably_modified_type_p.
* expr.c (count_type_elements): Properly handle return from
array_type_nelts and properly test for overflow.
* gimplify.c (gimplify_init_constructor): Properly handle return
from array_type_nelts.
(gimplify_addr_expr): Remove redundant clear of TREE_SIDE_EFFECTS.
* integrate.c (copy_decl_for_inlining): Correct comments.
* tree-inline.c (remap_decl): Update comments, remove dead code,
and copy DECL_FIELD_OFFSET and DECL_QUALIFIER, if they exist.
(remap_type): Only remap if variably modified by vars in function
being inlined.
(copy_body_r): Use compatible_type langhooks to see when can fold.
(setup_one_parameter): Don't remap type.
(inline_forbidden_p_1): Add arg to variably_modified_type_p.
* tree.c (recompute_tree_invarant_for_addr_expr): Properly
compute TREE_INVARIANT for decl case.
(find_var_from_fn): New function.
(variably_modified_type_p): Add arg and call new function.
* tree.h (variably_modified_type_p): Add extra arg.
* cp/cp-lang.c (cp_var_mod_type_p): Add extra arg.
* cp/decl.c (grokdeclarator): Extra arg to variably_modified_type_p.
* cp/pt.c (check_instantiated_args, unify): Likewise.
VMClassLoader.java (init): Check classpath entry before passing to URL constructor.
2004-07-05 Bryce McKinlay <mckinlay@redhat.com>
* gnu/gcj/runtime/VMClassLoader.java (init): Check classpath entry
before passing to URL constructor. Rethrow any MalformedURLException
as a RuntimeException. Catch MalformedURLException specifically, not
all exceptions.
Jakub Jelinek [Mon, 5 Jul 2004 21:37:40 +0000 (23:37 +0200)]
expr.c (expand_assignment): Disable the bitfield += optimizations.
* expr.c (expand_assignment): Disable the bitfield += optimizations.
* gcc.c-torture/execute/20040629-1.c (FIELDS1, FIELDS2): Define to
nothing if not yet defined. Use it in b, c and d type definitions.
* gcc.c-torture/execute/20040705-1.c: New test.
* gcc.c-torture/execute/20040705-2.c: New test.