Wed Mar 18 13:42:01 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
* expr.c (expand_expr, case COND_EXPR): If have conditional move,
don't use ORIGINAL_TARGET unless REG.
From-SVN: r18671
* c-aux-info.c: Include string.h/strings.h.
* pa.c: Include stdlib.h.
(pa_combine_instructions): Prototype the function.
(pa_can_combine_p, forward_branch_p, shadd_constant_p): Likewise.
(reloc_needed): Add default case for enumeration switch.
(remove_useless_addtr_insns): Remove unused variable `all'.
(hppa_expand_prologue): Add explicit braces to avoid
ambiguous `else'.
(output_function_epilogue): Remove unused variable `i'.
(output_millicode_call): Remove unused variable `link'.
(shadd_constant_p, forward_branch_p): Make the function static.
(following_call): Explicitly declare to return int.
(pa_reorg): Declare as void.
(pa_combine_instructions): Declare as static void. Add
parentheses around && within ||.
* pa.h: Add prototypes for pa_reorg, symbolic_operand,
following_call, function_label_operand, lhs_lshift_cint_operand
and zdepi_cint_p.
* pa.md: Add parentheses around && within ||.
* cppalloc.c: Include stdlib.h.
* cpperror.c (cpp_print_containing_files): Remove unused variable
`i'. Fix format specifier in fprintf.
* cse.c (cse_around_loop): Add explicit braces to avoid
ambiguous `else'.
(delete_dead_from_cse): Wrap variable `tem' in macro HAVE_cc0.
* expr.c (expand_expr): Add parentheses around && within ||.
* final.c (app_enable): Replace fprintf with fputs where there are
no format specifiers and no trailing argument after the string.
Eg, when printing ASM_APP_ON/ASM_APP_OFF.
(app_disable): Likewise.
(final_end_function): Likewise.
(final_scan_insn): Likewise. Remove unused variable `set'.
(profile_function): Wrap empty if-statement body in {} brackets.
* function.c: Include stdlib.h.
(pad_below): Wrap prototype and definition in ARGS_GROW_DOWNWARD.
(reposition_prologue_and_epilogue_notes): Add parentheses
around assignment used as truth value.
* integrate.c (expand_inline_function): Wrap variable
`cc0_insn' in macro HAVE_cc0.
* jump.c (jump_optimize): Wrap variable `q' in macro
HAVE_cc0. Remove unused variable `prev1'.
* libgcc2.c (__bb_exit_trace_func): Add parentheses around &&
within ||. Fix format specifier in fprintf.
(__bb_init_prg): Add parentheses around assignment used as
truth value.
* local-alloc.c: Include stdlib.h.
(requires_inout): Add parentheses around assignment used
as truth value.
* loop.c (analyze_loop_iterations): Wrap prototype and definition
in macro HAVE_decrement_and_branch_on_count.
(insert_bct, instrument_loop_bct): Likewise.
(move_movables): Add parentheses around assignment used as
truth value.
(consec_sets_invariant_p): Likewise.
(maybe_eliminate_biv_1): Wrap variable `new' in macro HAVE_cc0.
* objc/objc-act.c: Include stdlib.h.
(lookup_method_in_protocol_list): Wrap empty else-statement body
in braces.
(lookup_protocol_in_reflist): Likewise.
(objc_add_static_instance): Remove unused variables `decl_expr'
and `decl_spec'.
(get_objc_string_decl): Remove unused variable `decl'.
(generate_static_references): Remove unused variables `idecl' and
`instance'.
(check_protocols): Wrap empty else-statement body in braces.
* protoize.c: Include stdlib.h.
(substr): Add parentheses around assignment used as truth value.
(abspath): Likewise.
(shortpath): Likewise.
* regmove.c (fixup_match_1): Add parentheses around assignment
used as truth value.
* reload.c (push_secondary_reload): Remove unused variable `i'.
(find_reloads): Add parentheses around assignment used as truth
value.
* reload1.c: Include stdlib.h.
* rtl.h: Correct typo in prototype of offsettable_memref_p.
* stmt.c (add_case_node): Add parentheses around assignment used
as truth value.
(case_tree2list): Likewise.
* tree.c (valid_machine_attribute): Wrap variable `decl_attr_list'
in macro VALID_MACHINE_DECL_ATTRIBUTE. Wrap variable
`type_attr_list' in macro VALID_MACHINE_TYPE_ATTRIBUTE.
(merge_attributes): Add explicit braces to avoid ambiguous
`else'.
* unroll.c (copy_loop_body): Wrap variable `cc0_insn' in
macro HAVE_cc0.
* varasm.c: Include stdlib.h.
From-SVN: r18290
* expr.c (expand_builtin_setjmp): Accept two new arguments for
the labels to branch to on first and subsequent executions. Don't
play with __dummy. Rename `setjmp' insn to `builtin_setjmp_setup',
and provide it with the jmp_buf. Use only one of
`builtin_setjmp_receiver' or `nonlocal_goto_receiver',
and provide the former with the target label.
(expand_builtin) [BUILTIN_SETJMP]: Generate a label for use by setjmp.
(expand_builtin) [BUILTIN_LONGJMP]: Split out to ...
(expand_builtin_longjmp): ... here. Recognize a `builtin_longjmp'
insn to replace all of the normal nonlocal_goto code. Don't play
with __dummy. Correct arguments to nonlocal_goto.
* expr.h (expand_builtin_setjmp): Update prototype.
* except.c (start_dynamic_handler): When using builtin_setjmp,
generate more accurate flow information.
* alpha.md (nonlocal_goto_receiver_osf): Delete.
(nonlocal_goto_receiver_vms): Rename to nonlocal_goto_receiver.
(builtin_longjmp, builtin_setjmp_receiver): New.
* sparc.md (update_return): Disambiguate unspec number.
(nonlocal_goto): Rearrange arguments to match caller in except.c.
(builtin_setjmp_setup): Rename from setjmp. Match and ignore the
jmp_buf operand.
* mips.md (nonlocal_goto_receiver, builtin_setjmp_receiver): Remove.
(builtin_setjmp_setup*, builtin_longjmp): New.
From-SVN: r17602
* expr.c (get_inner_reference): Use sbitsizetype for type sizes.
* fold-const.c (size_int): Replace with
(size_int_wide).
(make_bit_field_ref): Use bitsize_int for bit position.
* stor-layout.c (sizetype): Delete.
(sizetype_tab, sbitsizetype, ubitsizetype): Declare.
(layout_record, layout_union, layout_type):
Use bitsize_int for bit size.
(set_sizetype): New function.
(make_signed_type, make_unsigned_type): Use it.
* c-decl.c (init_decl_processing): Likewise.
* tree.h (size_int): Don't delcare, #define.
(size_int_wide, sizetype_tab, sbitsize, ubitsize): Declare.
(set_sizetype): Declare.
(bitsize_int, size_int_2, BITS_PER_UNIT_LOG, sizetype, bitsizetype):
Define.
* c-typeck.c (c_sizeof, c_sizeof_nowarn, c_size_in_bytes):
Convert result to sizetype.
(really_start_incremental_init, push_init_level):
Set type of constructor_bit_index to sbitsizetype.
(push_init_level): Use unsigned arithmetic to determine padding.
(output_init_element): Likewise.
From-SVN: r17577
* real.h (REAL_VALUES_IDENTICAL): New macro.
* expr.c (is_zeros_p): Don't consider -0.0 to be all zeros.
* fold-const.c (operand_equal_p): Don't consider -0.0 to be
identical to 0.0.
* tree.c (simple_cst_equal): Don't consider -0.0 to have the
same tree structure as 0.0.
* varasm.c (immed_real_const_1): Use new REAL_VALUES_IDENTICAL
macro instead of doing it by hand.
From-SVN: r16472
* expr.c (expand_expr): Remove previous incorrect change.
If target and slot has no DECL_RTL, then call mark_addressable
again for the slot after we give it RTL.
From-SVN: r15496
* arc/arc.h: New file.
* arc/arc.c: New file.
* arc/arc.md: New file.
* arc/initfini.c: New file.
* arc/lib1funcs.asm: New file.
* arc/t-arc: New file.
* arc/xm-arc.h: New file.
* ginclude/va-arc.h: New file.
* ginclude/stdarg.h: Include va-arc.h ifdef __arc__.
* ginclude/varargs.h: Likewise.
* Makefile.in (USER_H): Add va-arc.h.
* configure.in (arc-*-elf*): Recognize.
* longlong.h: Add ARC support.
Mostly so I can test changes in snapshot scripts.
* expr.c (clear_storage): Use CONST0_RTX instead of const0_rtx.
when clearing non-BLKmode data.
Fixes sparc problem.
From-SVN: r15198
(expand_assignment, expand_expr, emit_push_insn, store_expr):
Insert calls to chkr_check_addr, chkr_set_right, and chkr_copy_bitmap
when -fcheck-memory-usage.
(get_push_address, get_memory_usage_from_modifier): New functions.
From-SVN: r14611
(expand_expr, case LABEL_DECL): Treat inline_function_decl like
current_function_decl.
(expand_expr, case SAVE_EXPR): Handle top-level SVAE_EXPR by
moving into current function; abort if in incorrect context.
From-SVN: r14540
* except.c (start_dynamic_handler): Fix so that we can use
__builtin_setjmp, and default to using __builtin_setjmp instead of
setjmp.
* expr.c (expand_builtin_setjmp): New routine, split out from
existing inline code from expand_builtin.
(expand_builtin): Split out code into expand_builtin_setjmp.
* expr.h (expand_builtin_setjmp): Add declaration.
* libgcc2.c (__sjthrow): Default to using __builtin_setjmp instead
of setjmp.
(__sjpopnthrow): Likewise.
* optabs.c (init_optabs): Likewise.
From-SVN: r14045
({move,clear}_by_pieces_1, expand_assignment): Ensure we have unshared rtx
before changing flags.
(store_{constructor,field}): Likewise.
(expand_expr, case COMPONENT_REF): Likewise.
(store_expr): Check if TEMP and TARGET are same with rtx_equal_p.
From-SVN: r13936
must mask/sign-extend if bitfield.
(expand_builtin, case BUILT_IN_LONGJMP): Pass type, not IDENTIFIER,
to send arg of RETURN_POPS_ARGS.
From-SVN: r13373
* expr.c (do_jump): Conditionalize cleanups for the COND_EXPR case,
similarly to the way TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR are
handled.
From-SVN: r12974
* expr.c (do_jump, case TRUTH_ORIF_EXPR): Ensure the end of an
exception region comes after its start.
(do_jump, case TRUTH_ANDIF_EXPR): Likewise.
From-SVN: r12565
* expr.c (compare): If function pointers need canonicalization
before comparisons, canonicalize them.
(do_store_flag): Do not use an sCC insn for a function pointer
comparison if function pointers need canonicalization before
comparing.
From-SVN: r12381
* expr.c (expand_expr, cond TARGET_EXPR): Make TARGET_EXPRs
redoable for UNSAVE_EXPR.
* stmt.c (expand_decl_cleanup): Wrap the cleanup in an UNSAVE_EXPR
to that we can redo it.
* tree.c (unsave_expr_now): Handle TARGET_EXPRs fully now.
* tree.def (TARGET_EXPR): Add a third field so that TARGET_EXPRs
are redoable.
From-SVN: r12018
* expr.c (expand_expr, cond UNSAVE_EXPR): Move from the C++
frontend to the backend where it belongs.
* tree.c (unsave_expr): Ditto.
(unsave_expr_now): Ditto.
* tree.def (UNSAVE_EXPR): Ditto.
* tree.h (unsave_expr): Ditto.
(unsave_expr_now): Ditto.
From-SVN: r12015
(store_field): Support BLKmode bitfield if aligned on byte boundary using
emit_block_move.
(expand_expr, case COMPONENT_REF): Likewise.
From-SVN: r11971
* expr.c (expand_increment): Add third parameter to know when to
ignore the result value.
(store_constructor): Ditto.
(expand_expr, case PREINCREMENT_EXPR): Ditto.
(expand_expr, case PREDECREMENT_EXPR): Ditto.
(expand_expr, case POSTINCREMENT_EXPR): Ditto.
(expand_expr, case POSTDECREMENT_EXPR): Ditto.
* tree.c (stabilize_reference): Always ignore the first operand of
COMPOUND_EXPRs.
From-SVN: r11939
(get_inner_reference): When finding mode to access bitfield that ends
up properly aligned, use mode class of its type unless type's mode was
BLKmode.
From-SVN: r11651
Call dummy function pointed to by static chain pointer.
(expand_builtin, case BUILT_IN_LONJMP): Ignore second expression.
Set address of __dummy into static chain pointer.
Copy the label to return to into a pseudo earlier.
From-SVN: r11576
* expr.c (expand_expr, case TARGET_EXPR): Delay putting the cleanup
on the cleanup chain until after the subexpression has been expanded.
Fixes eh44.C and eh45.C
From-SVN: r11504
(expand_expr, case *_DECL): If we make a non-local
reference from a function with DECL_NO_STATIC_CHAIN set, abort.
(expand_expr, case ADDR_EXPR): We don't need a trampoline for a
function with DECL_NO_STATIC_CHAIN set.
From-SVN: r11461
(arg_pointer_save_area): New declaration.
(expand_builtin, case BUILT_IN_{SET,LONG}JMP): New cases.
(expand_expr, case COMPONENT_REF): Pass EXPAND_INITIALIZER to
recursive call.
From-SVN: r11112
* expr.c (expand_expr, case COND_EXPR): Make sure cleanups live on
the function_obstack as they are used by the exception handling code.
(defer_cleanups_to): Ditto.
(TRUTH_ANDIF_EXPR): Ditto.
(TRUTH_ORIF_EXPR): Ditto.
Fixes eh43.C
From-SVN: r11033
(expand_expr, case SAVE_EXPR): Set TEMP to (const_int 0) if MODE is VOIDmode.
(expand_expr): Don't use assign_temp for pseudos when might want to be TMODE.
From-SVN: r10924
(expand_expr, case VAR_DECL): Set REGNO_POINTER_ALIGN
when copying address into memory.
(expand_expr, case COMPONENT_REF, case ADDR_EXPR): Set alignment
of register when result or result's address.
(expand_expr, case CONVERT_EXPR): Don't handle -fforce-mem here.
From-SVN: r10869
(clear_by_pieces{,_1}, {is,mostly}_zeros_p): New functions.
(clrstr_optab): New optab.
(clear_storage): Rework to try to use clear_by_pieces, then
new clrstr insn, then library call.
(store_constructor): Track if target is already cleared.
Clear target first if CONSTRUCTOR is mostly zeros.
Don't write zeros if target has been cleared.
Add new arg to clear_storage call.
(expand_expr, case CONSTRUCTOR): Don't put static constructor
in memory if mostly zero.
From-SVN: r10842
pass arguments using correct types and modes.
(emit_push_insn, expand_assignment): Likewise.
(clear_storage, store_expr): Likewise for memset and bzero.
(store_constructor): Likewise for memset.
From-SVN: r10808
(store_constructor): Fix error in last change: just
copy MEM, but be sure to share address.
(expand_expr, case CONSTRUCTOR): Likewise.
From-SVN: r10801
(expand_expr, case MULT_EXPR): Generalize code for widening
multiply to handle signed widening multiply when only unsigned optab
is defined, and vice versa.
From-SVN: r10788
(store_constructor): Call clear_storage with rtx.
(get_inner_reference): Convert index to precision of sizetype, not
POINTER_SIZE.
(expand_expr, case ARRAY_REF): Likewise.
From-SVN: r10529
(expand_expr, case COND_EXPR): Protect the condition from being evaluated more
than once.
(do_jump, case TRUTH_ANDIF_EXPR, TRUTH_ORIF_EXPR): Likewise.
From-SVN: r10055
(expand_expr, case CONSTRUCTOR): Don't set target to zero if more then one
word.
Pass size and alignment to move_by_pieces_ninsns in bytes, not bits.
From-SVN: r9548
(move_by_pieces): Set to_struct and from_struct fields.
(move_by_pieces_1): Set MEM_IN_STRUCT_P of to1 and from1.
(expand_builtin, case BUILT_IN_MEMCPY): New variable type.
Set MEM_IN_STRUCT_P of src_mem and dest_mem.
From-SVN: r9468
(expand_builtin_apply_args): If STACK_REGS is defined, generate USE
insns before the function body, thus showing which registers are
filled with parameters.
Reverse order of saving registers, more compact code for i387.
(expand_builtin_apply): Likewise.
From-SVN: r9462
(clear_storage, expand_assignment, store_{expr,constructor}): Use ptr_mode
instead of Pmode in some places.
(expand_expr, expand_builtin): Likewise.
(push_block, store_expr): Convert size to Pmode.
(expand_expr, case ADDR_EXPR): Convert from Pmode to ptr_mode.
From-SVN: r9305
* expr.c (expand_expr): If non-local variable is expanded,
set FUNCTION_NEEDS_STATIC_CHAIN (current_function_decl).
* expr.c (expand_expr case ADDR_EXPR): Check for trampoline
using FUNCTION_NEEDS_STATIC_CHAIN, instead of decl_function_context.
From-SVN: r9095
(store_constructor, ARRAY_TYPE): Use code for non-integer INDEX for
non-integer ELTTYPE size.
Allow INDEX to be zero in code and divide size by BITS_PER_UNIT.
From-SVN: r8902
