* combine.c (try_combine): When setting elim_i2, check whether newi2pat
sets i2dest. When calling distribute_notes for i3dest_killed, pass
elim_i2 and elim_i1. When setting elim_i1, check if newi2pat
sets i1dest.
From-SVN: r16334
* combine.c (try_combine): Don't elim_i1 when it is used in i2src.
* combine.c (try_combine): When setting elim_i2, check whether newi2pat
sets i2dest. When calling distribute_notes for i3dest_killed, pass
elim_i2 and elim_i1.
Co-Authored-By: Jim Wilson <wilson@cygnus.com>
From-SVN: r16296
* com.c (ffecom_expr_): Only use TREE_TYPE argument for simple
arithmetic; convert types as necessary; recurse with target tree type.
CVS _----------------------------------------------------------------------
From-SVN: r16287
* flow.c (find_basic_blocks): If we delete the label for an
exception handler, remove it from the EH label list and remove
the EH_BEGIN/EH_END notes for that EH region.
From-SVN: r16265
* lex.c (FILE_NAME_NONDIRECTORY): Delete macro.
(file_name_nondirectory): New function, doing the same as the macro.
(set_typedecl_interface_info): Use it instead of the macro.
(check_newline): Likewise.
(handle_cp_pragma): Likewise.
* repo.c (get_base_filename): Cast result of rindex to char*.
(open_repo_file): Likewise.
* xref.c (open_xref_file): Likewise.
* error.c (dump_char): Make its arg int, not char.
bring over the changes that went in yesterday to fix irix6 native cc
build problems
From-SVN: r16261
* except.c (push_eh_info): Pass the number of fields - 1 down, not
the exact number of fields.
cuz in finish_builtin_type, its comment sez
LEN is the number of elements
in FIELDS minus one, or put another way, it is the maximum subscript
used in FIELDS.
and its code does
for (i = 0; i < len; i++)
{
layout_type (TREE_TYPE (fields[i]));
DECL_FIELD_CONTEXT (fields[i]) = type;
TREE_CHAIN (fields[i]) = fields[i+1];
}
DECL_FIELD_CONTEXT (fields[i]) = type;
DECL_CLASS_CONTEXT (fields[i]) = type;
thus expecting the final ones to be fields[4], not fields[5] (which is
the actual size from 0, not the last field member)
From-SVN: r16257
* dwarf2out.c (output_call_frame_info): Use ASM_OUTPUT_ASCII to
output ASCII by default. Only use ASM_OUTPUT_DWARF_STRING if
flag_debug_asm is on.
(output_die, output_pubnames, output_line_info): Likewise.
From-SVN: r16251
* alias.c (init_alias_analysis): Add struct_value_incoming_rtx
and static_chain_rtx into the potential base values array if
they are registers.
Fixes bugs exposed by improved alias propagation code.
* alias.c (new_reg_base_value): New array of potential base values.
(unique_id): Now file scoped static.
(find_base_value, case REG): Return the value in reg_base_value
array for the REG if it exists. Else, return the value from
new_reg_base_value if copying args and REG is a hard register.
(find_base_value, case PLUS): If either operand of the PLUS is
a REG, try to get its base value. Handle base + index and
index + base.
(record_set): Use new_reg_base_value instead of reg_base_value.
(init_alias_analysis): Allocate space for new_reg_base_value too.
Rework code to iterate over the insns propagating base value
information until nothing changes.
Improve alias propagation significantly.
From-SVN: r16250
Fri Oct 31 01:45:31 1997 Jason Merrill <jason@yorick.cygnus.com>
* libgcc2.c (L_eh): Define __eh_pc.
Replace __eh_type with generic pointer __eh_info.
Fri Oct 31 01:47:57 1997 Jason Merrill <jason@yorick.cygnus.com>
Support for nested exceptions.
* tinfo2.cc (__is_pointer): New fn.
* exception.cc (struct cp_eh_info): Define.
(__cp_exception_info, __uncatch_exception): New fns.
(__cp_push_exception, __cp_pop_exception): New fns.
* except.c: Lose saved_throw_{type,value,cleanup,in_catch}.
Lose empty_fndecl.
(init_exception_processing): Likewise. __eh_pc is now external.
(push_eh_info): New fn.
(get_eh_{info,value,type,caught}): New fns.
(push_eh_cleanup): Just call __cp_pop_exception.
(expand_start_catch_block): Use push_eh_info. Start the eh region
sooner.
(expand_end_eh_spec): Use push_eh_info.
(expand_throw): Call __cp_push_exception to set up the exception info.
Just pass the destructor or 0 as the cleanup. Call __uncatch_exception
when we rethrow.
(expand_builtin_throw): Don't refer to empty_fndecl.
From-SVN: r16248
