From 7352c013323c184875acec7bde645c99b7c18b9b Mon Sep 17 00:00:00 2001 From: Richard Guenther Date: Fri, 14 Jan 2011 15:02:20 +0000 Subject: re PR tree-optimization/47179 (SPU: errno misoptimization around malloc call) 2011-01-14 Richard Guenther PR tree-optimization/47179 * target.def (ref_may_alias_errno): New target hook. * targhooks.h (default_ref_may_alias_errno): Declare. * targhooks.c: Include tree-ssa-alias.h and tree-flow.h. (default_ref_may_alias_errno): New function. * target.h (struct ao_ref_s): Declare. * tree-ssa-alias.c: Include target.h. (call_may_clobber_ref_p_1): Use the ref_may_alias_errno target hook. * Makefile.in (tree-ssa-alias.o): Adjust dependencies. (targhooks.o): Likewise. * doc/tm.texi.in (TARGET_REF_MAY_ALIAS_ERRNO): Document. * doc/tm.texi (TARGET_REF_MAY_ALIAS_ERRNO): Copy documentation. From-SVN: r168788 --- gcc/targhooks.h | 1 + 1 file changed, 1 insertion(+) (limited to 'gcc/targhooks.h') diff --git a/gcc/targhooks.h b/gcc/targhooks.h index d34ad9f..a8dbb11 100644 --- a/gcc/targhooks.h +++ b/gcc/targhooks.h @@ -143,6 +143,7 @@ extern bool default_target_option_valid_attribute_p (tree, tree, tree, int); extern bool default_target_option_pragma_parse (tree, tree); extern bool default_target_can_inline_p (tree, tree); extern bool default_valid_pointer_mode (enum machine_mode); +extern bool default_ref_may_alias_errno (struct ao_ref_s *); extern enum machine_mode default_addr_space_pointer_mode (addr_space_t); extern enum machine_mode default_addr_space_address_mode (addr_space_t); extern bool default_addr_space_valid_pointer_mode (enum machine_mode, -- cgit v1.1