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authorEric Botcazou <ebotcazou@adacore.com>2017-10-19 15:58:05 +0000
committerEric Botcazou <ebotcazou@gcc.gnu.org>2017-10-19 15:58:05 +0000
commit9e878cf1bae7eba3a097dbb6b04d0bbca5bdb0e4 (patch)
tree220024bc6525d567df9a66f538a7903a174bcadc /gcc/explow.h
parentd969783705f55506c111e4f4d0342b09ef301ea2 (diff)
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asan.c (handle_builtin_alloca): Deal with all alloca variants.
* asan.c (handle_builtin_alloca): Deal with all alloca variants. (get_mem_refs_of_builtin_call): Likewise. * builtins.c (expand_builtin_apply): Adjust call to allocate_dynamic_stack_space. (expand_builtin_alloca): For __builtin_alloca_with_align_and_max, pass the third argument to allocate_dynamic_stack_space, otherwise -1. (expand_builtin): Deal with all alloca variants. (is_inexpensive_builtin): Likewise. * builtins.def (BUILT_IN_ALLOCA_WITH_ALIGN_AND_MAX): New. * calls.c (special_function_p): Deal with all alloca variants. (initialize_argument_information): Adjust call to allocate_dynamic_stack_space. (expand_call): Likewise. * cfgexpand.c (expand_call_stmt): Deal with all alloca variants. * doc/extend.texi (Built-ins): Add __builtin_alloca_with_align_and_max * explow.c (allocate_dynamic_stack_space): Add MAX_SIZE parameter and use it for the stack usage computation. * explow.h (allocate_dynamic_stack_space): Adjust prototype. * function.c (gimplify_parameters): Turn BUILT_IN_ALLOCA_WITH_ALIGN into BUILT_IN_ALLOCA_WITH_ALIGN_AND_MAX and pass maximum size. * gimple-ssa-warn-alloca.c (alloca_call_type): Simplify control flow. Take into account 3rd argument of __builtin_alloca_with_align_and_max. (in_loop_p): Remove first argument and useless check. (pass_walloca::execute): Remove useless test and adjust call to above. * gimple.c (gimple_build_call_from_tree): Deal with all alloc variants * gimplify.c (gimplify_vla_decl): Turn BUILT_IN_ALLOCA_WITH_ALIGN into BUILT_IN_ALLOCA_WITH_ALIGN_AND_MAX and pass maximum size. (gimplify_call_expr): Deal with all alloca variants. * hsa-gen.c (gen_hsa_alloca): Likewise. (gen_hsa_insns_for_call): Likewise. * ipa-pure-const.c (special_builtin_state): Likewise. * tree-chkp.c (chkp_build_returned_bound): Likewise. * tree-object-size.c (alloc_object_size): Likewise. * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Likewise. (call_may_clobber_ref_p_1): Likewise. * tree-ssa-ccp.c (evaluate_stmt): Likewise. (ccp_fold_stmt): Likewise. (optimize_stack_restore): Likewise. * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Likewise. (mark_all_reaching_defs_necessary_1): Likewise. (propagate_necessity): Likewise. (eliminate_unnecessary_stmts): Likewise. * tree.c (build_common_builtin_nodes): Build BUILT_IN_ALLOCA_WITH_ALIGN_AND_MAX. * tree.h (ALLOCA_FUNCTION_CODE_P): New macro. (CASE_BUILT_IN_ALLOCA): Likewise. * varasm.c (incorporeal_function_p): Deal with all alloca variants. c-family/ * c-common.c (check_builtin_function_arguments): Also check arguments of __builtin_alloca_with_align_and_max. From-SVN: r253901
Diffstat (limited to 'gcc/explow.h')
-rw-r--r--gcc/explow.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/gcc/explow.h b/gcc/explow.h
index b85c051..8eca20b 100644
--- a/gcc/explow.h
+++ b/gcc/explow.h
@@ -94,7 +94,8 @@ extern void update_nonlocal_goto_save_area (void);
extern void record_new_stack_level (void);
/* Allocate some space on the stack dynamically and return its address. */
-extern rtx allocate_dynamic_stack_space (rtx, unsigned, unsigned, bool);
+extern rtx allocate_dynamic_stack_space (rtx, unsigned, unsigned,
+ HOST_WIDE_INT, bool);
/* Calculate the necessary size of a constant dynamic stack allocation from the
size of the variable area. */