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re PR tree-optimization/47237 (builtin_apply_args broken WRT local ABI changes.)

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PR target/47237
	* gcc.c-torture/execute/pr47237.c: New testcase.

	* cgraph.h (cgraph_local_info): New field can_change_signature.
	* ipa-cp.c (ipcp_update_callgraph): Only compute args_to_skip if callee
	signature can change.
	(ipcp_estimate_growth): Call sequence simplify only if calle signature
	can change.
	(ipcp_insert_stage): Only compute args_to_skip if signature can change.
	(cgraph_function_versioning): We can not change signature of functions
	that don't allow that.
	* lto-cgraph.c (lto_output_node): Stream local.can_change_signature.
	(lto_input_node): Likewise.
	* ipa-inline.c (compute_inline_parameters): Compute local.can_change_signature.
	* ipa-split.c (visit_bb): Never split away APPLY_ARGS.
	* tree-sra.c (ipa_sra_preliminary_function_checks): Give up on functions
	that can not change signature.
	* i386.c (ix86_function_regparm, ix86_function_sseregparm,
	init_cumulative_args): Do not use local calling conventions for functions
	that can not change signature.

From-SVN: r169291
This commit is contained in:
Jan Hubicka 2011-01-26 14:07:02 +00:00
parent 61e03ffc6b
commit 34f0eee0f6
2 changed files with 27 additions and 1 deletions
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21
gcc/ChangeLog
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@ -1,3 +1,24 @@
2011-01-22 Jan Hubicka <jh@suse.cz>
PR target/47237
* cgraph.h (cgraph_local_info): New field can_change_signature.
* ipa-cp.c (ipcp_update_callgraph): Only compute args_to_skip if callee
signature can change.
(ipcp_estimate_growth): Call sequence simplify only if calle signature
can change.
(ipcp_insert_stage): Only compute args_to_skip if signature can change.
(cgraph_function_versioning): We can not change signature of functions
that don't allow that.
* lto-cgraph.c (lto_output_node): Stream local.can_change_signature.
(lto_input_node): Likewise.
* ipa-inline.c (compute_inline_parameters): Compute local.can_change_signature.
* ipa-split.c (visit_bb): Never split away APPLY_ARGS.
* tree-sra.c (ipa_sra_preliminary_function_checks): Give up on functions
that can not change signature.
* i386.c (ix86_function_regparm, ix86_function_sseregparm,
init_cumulative_args): Do not use local calling conventions for functions
that can not change signature.
2011-01-22 Jan Hubicka <jh@suse.cz>
* doc/invoke.texi (hot-bb-frequency-fraction): Commit forgotten hunk.

7
gcc/testsuite/ChangeLog
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@ -1,4 +1,9 @@
2011-01-26 Richard Guenther <rguenther@suse.de>
2011-01-26 Jan Hubicka <jh@suse.cz>
PR target/47237
* gcc.c-torture/execute/pr47237.c: New testcase.
2011-01-26 Jan Hubicka <jh@suse.cz>
PR tree-optimization/47190
* gcc.dg/attr-weakref-3.c: New testcase.