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| author | Jan Hubicka <jh@suse.cz> | 2011-05-01 21:11:07 +0200 |
|---|---|---|
| committer | Jan Hubicka <hubicka@gcc.gnu.org> | 2011-05-01 19:11:07 +0000 |
| commit | 09dfe187f0fbc756826672f79495bd3d5c142f78 (patch) | |
| tree | a8895ae3de3bfde152ef04c6c346ed4c3be37327 /gcc/ipa-inline.c | |
| parent | 12c0e3856baf63f933061aacd4f70cd865913ab1 (diff) | |
| download | gcc-09dfe187f0fbc756826672f79495bd3d5c142f78.zip gcc-09dfe187f0fbc756826672f79495bd3d5c142f78.tar.gz gcc-09dfe187f0fbc756826672f79495bd3d5c142f78.tar.bz2 | |
ipa-inline.c (caller_growth_limits): Fix thinko when
* ipa-inline.c (caller_growth_limits): Fix thinko when
* ipa-inline.c (caller_growth_limits): Fix thinko when
looking for largest stack frame.
* ipa-inline.h (dump_inline_summary): Declare.
* ipa-inline-analysis.c (dump_inline_edge_summary): Dump info
on stack usage.
(dump_inline_summary): Export.
(debug_inline_summary): Declare as DEBUG_FUNCTION.
From-SVN: r173234
Diffstat (limited to 'gcc/ipa-inline.c')
| -rw-r--r-- | gcc/ipa-inline.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/gcc/ipa-inline.c b/gcc/ipa-inline.c index 4665c82..437f6b2 100644 --- a/gcc/ipa-inline.c +++ b/gcc/ipa-inline.c @@ -151,7 +151,7 @@ caller_growth_limits (struct cgraph_edge *e) we immediately inline to. This is the most relaxed interpretation of the rule "do not grow large functions too much in order to prevent compiler from exploding". */ - do + while (true) { info = inline_summary (to); if (limit < info->self_size) @@ -160,8 +160,9 @@ caller_growth_limits (struct cgraph_edge *e) stack_size_limit = info->estimated_self_stack_size; if (to->global.inlined_to) to = to->callers->caller; + else + break; } - while (to->global.inlined_to); what_info = inline_summary (what); @@ -181,12 +182,15 @@ caller_growth_limits (struct cgraph_edge *e) return false; } + if (!what_info->estimated_stack_size) + return true; + /* FIXME: Stack size limit often prevents inlining in Fortran programs due to large i/o datastructures used by the Fortran front-end. We ought to ignore this limit when we know that the edge is executed on every invocation of the caller (i.e. its call statement dominates exit block). We do not track this information, yet. */ - stack_size_limit += (stack_size_limit + stack_size_limit += ((gcov_type)stack_size_limit * PARAM_VALUE (PARAM_STACK_FRAME_GROWTH) / 100); inlined_stack = (outer_info->stack_frame_offset |