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Fix problems with last patch.

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From-SVN: r18033
This commit is contained in:
J"orn Rennecke 1998-02-17 13:21:01 +00:00 • committed by Joern Rennecke
parent beb31faa5b
commit feb60352fb
2 changed files with 19 additions and 2 deletions
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10
gcc/ChangeLog
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@ -1,3 +1,13 @@
Tue Feb 17 21:17:30 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
* rtl.h (force_line_numbers, restore_line_number_status): Declare.
* emit-rtl.c (force_line_numbers, restore_line_number_status):
New functions.
* stmt.c (struct nesting): Replace seenlabel with line_number_status.
(expand_start_case): Adjust to this change.
(check_seenlabel): New function.
(pushcase, pushcase_range, expand_endcase): Use it.
Tue Feb 17 10:14:32 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
* i386.md (adddi3): Add =!r,0,0,X alternative.

11
gcc/stmt.c
View file

@ -3895,8 +3895,6 @@ pushcase (value, converter, label, duplicate)
index_type = TREE_TYPE (case_stack->data.case_stmt.index_expr);
nominal_type = case_stack->data.case_stmt.nominal_type;
check_seenlabel ();
/* If the index is erroneous, avoid more problems: pretend to succeed. */
if (index_type == error_mark_node)
return 0;
@ -3905,6 +3903,8 @@ pushcase (value, converter, label, duplicate)
if (value != 0)
value = (*converter) (nominal_type, value);
check_seenlabel ();
/* Fail if this value is out of range for the actual type of the index
(which may be narrower than NOMINAL_TYPE). */
if (value != 0 && ! int_fits_type_p (value, index_type))
@ -4612,6 +4612,13 @@ expand_end_case (orig_index)
do_pending_stack_adjust ();
/* This might get an spurious warning in the presence of a syntax error;
it could be fixed by moving the call to check_seenlabel after the
check for error_mark_node, and copying the code of check_seenlabel that
deals with case_stack->data.case_stmt.line_number_status /
restore_line_number_status in front of the call to end_cleanup_deferral;
However, this might miss some useful warnings in the presence of
non-syntax errors. */
check_seenlabel ();
/* An ERROR_MARK occurs for various reasons including invalid data type. */