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stmt.c (current_nesting_level): New fn. 

* stmt.c (current_nesting_level): New fn.
        * tree.h: Declare it.
        * c-semantics.c (genrtl_compound_stmt): Use it.

        * dbxout.c (dbxout_symbol): Use DECL_RTL_SET_P.

From-SVN: r43037
This commit is contained in:
Jason Merrill 2001-06-08 14:12:54 -04:00
parent c16bd4e207
commit 91088ddb81
5 changed files with 30 additions and 2 deletions
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10
gcc/ChangeLog
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@ -1,3 +1,11 @@
2001-06-08 Jason Merrill <jason_merrill@redhat.com>
* stmt.c (current_nesting_level): New fn.
* tree.h: Declare it.
* c-semantics.c (genrtl_compound_stmt): Use it.
* dbxout.c (dbxout_symbol): Use DECL_RTL_SET_P.
2001-06-08 Jakub Jelinek <jakub@redhat.com>
* jump.c (mark_modified_reg): Allow jump threading if condition
@ -134,7 +142,6 @@ Thu Jun 7 16:17:40 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
documentation should be added to invoke.texi. Avoid an overfull
hbox.
>>>>>>> 1.10276
Thu Jun 7 17:09:50 CEST 2001 Jan Hubicka <jh@suse.cz>
* toplev.c (rest_of_compilation): Revert previous patch.
@ -169,6 +176,7 @@ Thu Jun 7 12:12:58 CEST 2001 Jan Hubicka <jh@suse.cz>
* emit-rtl.c (operand_subword): Remove unused variable.
>>>>>>> 1.10284
Wed Jun 6 14:51:05 CEST 2001 Jan Hubicka <jh@suse.cz>
* i386.md (floatdi?f): Avoid usinf of SSE instructions

10
gcc/c-semantics.c
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@ -666,7 +666,17 @@ void
genrtl_compound_stmt (t)
tree t;
{
#ifdef ENABLE_CHECKING
struct nesting *n = current_nesting_level ();
#endif
expand_stmt (COMPOUND_BODY (t));
#ifdef ENABLE_CHECKING
/* Make sure that we've pushed and popped the same number of levels. */
if (n != current_nesting_level ())
abort ();
#endif
}
/* Generate the RTL for an ASM_STMT. */

2
gcc/dbxout.c
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@ -1816,7 +1816,7 @@ dbxout_symbol (decl, local)
case RESULT_DECL:
/* Named return value, treat like a VAR_DECL. */
case VAR_DECL:
if (DECL_RTL (decl) == 0)
if (! DECL_RTL_SET_P (decl))
return 0;
/* Don't mention a variable that is external.
Let the file that defines it describe it. */

9
gcc/stmt.c
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@ -3395,6 +3395,15 @@ conditional_context ()
return block_stack && block_stack->data.block.conditional_code;
}
/* Return an opaque pointer to the current nesting level, so frontend code
can check its own sanity. */
struct nesting *
current_nesting_level ()
{
return cfun ? block_stack : 0;
}
/* Emit a handler label for a nonlocal goto handler.
Also emit code to store the handler label in SLOT before BEFORE_INSN. */

1
gcc/tree.h
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@ -2567,6 +2567,7 @@ extern void end_cleanup_deferral PARAMS ((void));
extern int is_body_block PARAMS ((tree));
extern int conditional_context PARAMS ((void));
extern struct nesting * current_nesting_level PARAMS ((void));
extern tree last_cleanup_this_contour PARAMS ((void));
extern void expand_start_case PARAMS ((int, tree, tree,
const char *));