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| author | Eric Botcazou <ebotcazou@adacore.com> | 2010-08-31 21:05:22 +0000 |
|---|---|---|
| committer | Eric Botcazou <ebotcazou@gcc.gnu.org> | 2010-08-31 21:05:22 +0000 |
| commit | 0c1bebc414bf795957a4371d614618344589310e (patch) | |
| tree | e6c48d895113d40a0dd1251fb99c06c246c3b901 /gcc/tree-nested.c | |
| parent | 0e607518d5cb2b5254adf739f90b6ca68e3f3daa (diff) | |
| download | gcc-0c1bebc414bf795957a4371d614618344589310e.zip gcc-0c1bebc414bf795957a4371d614618344589310e.tar.gz gcc-0c1bebc414bf795957a4371d614618344589310e.tar.bz2 | |
tree-nested.c (convert_all_function_calls): Iterate until after the sum of static chains in the nest doesn't change.
* tree-nested.c (convert_all_function_calls): Iterate until after the
sum of static chains in the nest doesn't change.
From-SVN: r163698
Diffstat (limited to 'gcc/tree-nested.c')
| -rw-r--r-- | gcc/tree-nested.c | 19 |
1 files changed, 7 insertions, 12 deletions
diff --git a/gcc/tree-nested.c b/gcc/tree-nested.c index 81ae38f..b811ec5 100644 --- a/gcc/tree-nested.c +++ b/gcc/tree-nested.c @@ -2070,9 +2070,8 @@ convert_gimple_call (gimple_stmt_iterator *gsi, bool *handled_ops_p, static void convert_all_function_calls (struct nesting_info *root) { + unsigned int chain_count = 0, old_chain_count, iter_count; struct nesting_info *n; - int iter_count; - bool any_changed; /* First, optimistically clear static_chain for all decls that haven't used the static chain already for variable access. */ @@ -2088,6 +2087,7 @@ convert_all_function_calls (struct nesting_info *root) } else DECL_STATIC_CHAIN (decl) = 1; + chain_count += DECL_STATIC_CHAIN (decl); } /* Walk the functions and perform transformations. Note that these @@ -2100,7 +2100,8 @@ convert_all_function_calls (struct nesting_info *root) iter_count = 0; do { - any_changed = false; + old_chain_count = chain_count; + chain_count = 0; iter_count++; if (dump_file && (dump_flags & TDF_DETAILS)) @@ -2109,22 +2110,16 @@ convert_all_function_calls (struct nesting_info *root) FOR_EACH_NEST_INFO (n, root) { tree decl = n->context; - bool old_static_chain = DECL_STATIC_CHAIN (decl); - walk_function (convert_tramp_reference_stmt, convert_tramp_reference_op, n); walk_function (convert_gimple_call, NULL, n); - - /* If a call to another function created the use of a chain - within this function, we'll have to continue iteration. */ - if (!old_static_chain && DECL_STATIC_CHAIN (decl)) - any_changed = true; + chain_count += DECL_STATIC_CHAIN (decl); } } - while (any_changed); + while (chain_count != old_chain_count); if (dump_file && (dump_flags & TDF_DETAILS)) - fprintf (dump_file, "convert_all_function_calls iterations: %d\n\n", + fprintf (dump_file, "convert_all_function_calls iterations: %u\n\n", iter_count); } |