* jump.c (delete_prior_computation): Also check calls
to constant functions. Don't bother checking for a
REG_UNUSED note before adding it.
(delete_computation): Handle multi-word hard registers
when synthesizing missing REG_DEAD notes for a register
which is both set and used by an insn.
From-SVN: r28962
* loop.c (this_loop_info): New variable.
(loop_has_call, loop_has_volatile, loop_has_tablejump,
loop_continue, loops_enclosed): Replace with fields in this_loop_info.
All uses updated.
(prescan_loop, strength_reduce): New argument loop_info. All callers
updated.
(scan_loop): New variable loop_info, initialise to address of
this_loop_info.
(prescan_loop): Set loop_info->vtop if find NOTE_INSN_LOOP_VTOP.
Delete variable loop_has_multiple_exit targets and replace with
field in this_loop_info.
(find_and_verify_loops): Rename this_loop to this_loop_num.
(strength_reduce): Delete loop_iteration_info. Replace variable
loop_info with function argument of same name.
(insert_bct): Rework test for loop being completely unrolled.
* loop.h (struct loop_info): New fields num, loops_enclosed,
has_call, has_volatile, has_tablejump, has_multiple_exit_targets,
has_indirect_jump, and cont. Redefine use of unroll_number.
(loop_unroll_number): Delete.
* unroll.c (unroll_loop): Store loop unroll count in unroll_number
field of loop_info.
(loop_iterations): Delete variable vtop and instead use
loop_info->vtop computed in prescan_loop.
From-SVN: r28961
* jump.c (jump_optimize_1): Do not delete assignments to
internal_arg_pointer.
* cse.c (delete_trivially_dead_insns): Always consider a set of
the internal_arg_pointer live.
From-SVN: r28957
* cp-tree.def (LABEL_STMT): New tree node.
(LABEL_STMT_LABEL): New macro.
(shadow_label): Remove.
(declare_local_label): New function.
(finish_label_decl): Likewise.
* decl.c (make_label_decl): New function, split out from
lookup_label.
(shadowed_labels): Remove.
(binding_level): Add shadowed_labels.
(clear_binding_level): Remove.
(push_binding_level): Just bzero the new binding level.
(pushlevel): Fix indentation.
(pop_label): New function.
(pop_labels): Likewise, split out from poplevel.
(poplevel): Pop local labels. Use pop_labels.
(maybe_push_to_top_level): Don't clear shadowed_labels.
(lookup_label): Use make_label_decl.
(shadow_label): Remove.
(declare_local_label): New function.
(define_label): Simplify.
(start_function): Don't clear shadowed_labels.
(cp_function): Remove shadowed_labels.
(push_cp_function_context): Don't save shadowed_labels.
(pop_cp_function_context): Don't restore it.
* dump.c (dequeue_and_dump): Handle LABEL_STMT.
* parse.y (label_decl): Use finish_label_decl.
* pt.c (tsubst_expr): Handle LABEL_STMTs, and local label
declarations.
* semantics.c (finish_label_stmt): Add a LABEL_STMT when
building_stmt_tree.
(finish_label_decl): New function.
(expand_stmt): Handle LABEL_STMTs and local label declarations.
From-SVN: r28950
* flow.c (flow_delete_insn_chain): Rename from delete_insn_chain.
(update_life_info) [REG_WAS_0]: Search the original insns rather
than the new insns for the note. Fix typos finding note_dest.
If no dest found, discard the note rather than abort.
[REG_NOALIAS]: Handle as REG_NO_CONFLICT.
(replace_insns): Remove the old insn list after update_life_info
not before.
From-SVN: r28946
* haifa-sched.c (sched_analyze): Clear LOG_LINKS before calling
sched_analyze_insn.
(sched_analyze_1): Let add_dependence care for not adding dups.
(sched_analyze_2): Likewise.
(add_branch_dependences): Likewise.
From-SVN: r28945
* cp-tree.def (LABEL_STMT): New tree node.
(LABEL_STMT_LABEL): New macro.
(shadow_label): Remove.
(declare_local_label): New function.
(finish_label_decl): Likewise.
* decl.c (make_label_decl): New function, split out from
lookup_label.
(shadowed_labels): Remove.
(binding_level): Add shadowed_labels.
(clear_binding_level): Remove.
(push_binding_level): Just bzero the new binding level.
(pushlevel): Fix indentation.
(pop_label): New function.
(pop_labels): Likewise, split out from poplevel.
(poplevel): Pop local labels. Use pop_labels.
(maybe_push_to_top_level): Don't clear shadowed_labels.
(lookup_label): Use make_label_decl.
(shadow_label): Remove.
(declare_local_label): New function.
(define_label): Simplify.
(start_function): Don't clear shadowed_labels.
(cp_function): Remove shadowed_labels.
(push_cp_function_context): Don't save shadowed_labels.
(pop_cp_function_context): Don't restore it.
* dump.c (dequeue_and_dump): Handle LABEL_STMT.
* parse.y (label_decl): Use finish_label_decl.
* pt.c (tsubst_expr): Handle LABEL_STMTs, and local label
declarations.
* semantics.c (finish_label_stmt): Add a LABEL_STMT when
building_stmt_tree.
(finish_label_decl): New function.
(expand_stmt): Handle LABEL_STMTs and local label declarations.
From-SVN: r28943
1999-08-27 13:27 -0700 Zack Weinberg <zack@bitmover.com>
* rtl.c: Define CONST_DOUBLE_FORMAT to the appropriate format
for a CONST_DOUBLE, at compile time. Initialize rtx_length
and class_narrowest_mode at compile time. Kill init_rtl.
Mark rtx_length, mode_class, mode_size, mode_unit_size,
mode_wider_mode, mode_mask_array, class_narrowest_mode, and
rtx_format as const. Kill all references to EXTRA_CC_MODES or
EXTRA_CC_NAMES.
* rtl.def (CONST_DOUBLE): Use CONST_DOUBLE_FORMAT macro for
format.
* rtl.h: Declare rtx_length and rtx_format as const.
* machmode.def: Define CC(). Use CC() to define CCmode. If
EXTRA_CC_MODES is defined, expand it here.
* machmode.h: Declare mode_class, mode_size, mode_unit_size,
mode_wider_mode, mode_mask_array, and class_narrowest_mode as
const. Kill all references to EXTRA_CC_MODES.
* toplev.c: Don't prototype or call init_rtl.
* optabs.c: Don't call init_mov_optab.
* genemit.c: Don't generate init_mov_optab. Don't call
init_rtl.
* gengenrtl.c: Duplicate calculation of CONST_DOUBLE_FORMAT
here.
* genattr.c, genattrtab.c, gencodes.c, genconfig.c,
genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c,
genrecog.c: Don't call init_rtl.
* arc.h, arm.h, c4x.h, i386.h, i960.h, m88k.h, pa.h, pdp11.h,
rs6000.h, sparc.h: Don't define EXTRA_CC_NAMES. Use CC() in
definition of EXTRA_CC_MODES.
* md.texi: Kill ref to EXTRA_CC_NAMES.
* tm.texi: Document new way to define EXTRA_CC_MODES.
* genrecog.c: Do not look up the name of a define_split.
(Unrelated bugfix.)
From-SVN: r28937
1999-08-27 00:27 -0700 Zack Weinberg <zack@bitmover.com>
* errors.c: New file; defines functions error, warning, and
fatal, variables have_error and progname.
* errors.h: New file; prototypes and decls for stuff in errors.c.
* Makefile: Add rules to build errors.o and
$(HOST_PREFIX)errors.o. Link genconfig, gencodes, genemit,
genopinit, genrecog, genextract, genpeep, genattr, and
genoutput with errors.o. Add errors.h to deps of genconfig.o,
gencodes.o, genemit.o, genopinit.o, genrecog.o, genextract.o,
genpeep.o, genattr.o, and genoutput.o.
* genconfig.c, gencodes.c, genemit.c, genopinit.c, genrecog.c,
genextract.c, genpeep.c, genattr.c: Include errors.h. Don't
define or prototype fatal. Set progname at beginning of main.
* genoutput.c: Likewise, and don't define or prototype error
either.
From-SVN: r28925
1999-08-27 00:27 -0700 Zack Weinberg <zack@bitmover.com>
* c-typeck.c (c_expand_start_case): Return immediately if exp
is an ERROR_MARK.
* fold-const.c (operand_equal_p): Return immediately if arg1
or arg0 are ERROR_MARKs.
* stor-layout.c (layout_type [case RECORD_TYPE]): Ignore
fields of type ERROR_MARK when calculating if the record can
go in a register.
From-SVN: r28923
* decl.c (lookup_label): Build labels on the permanent obstack
when building statement trees. Don't build RTL for labels when
building statement trees.
* semantics.c (finish_goto_stmt): Use LABEL_DECLs even when
building statement trees.
(finish_label_stmt): Likewise.
(expand_stmt): Adjust accordingly.
* pt.c (tsubst_expr); Likewise.
(do_decl_instantiation): Robustify.
From-SVN: r28918
* cp-tree.h (AGGR_INIT_VIA_CTOR_P): New macro.
* tree.c (build_cplus_new): Set it.
* expr.c (cplus_expand_expr): Use it.
* dump.c (deque_and_dump): Handle AGGR_INIT_EXPR.
From-SVN: r28916
