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[BRIGFE] do not allow optimizations based on known C builtins

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It can break inputs that have similarly named functions.

From-SVN: r259949
This commit is contained in:
Pekka Jääskeläinen 2018-05-04 18:01:11 +00:00 committed by Pekka Jääskeläinen
parent 77c42d456e
commit 60a3d46c17
2 changed files with 12 additions and 9 deletions
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5
gcc/brig/ChangeLog
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@ -1,3 +1,8 @@
2018-05-04 Pekka Jääskeläinen <pekka.jaaskelainen@parmance.com>
* brig/brig-lang.c: Do not allow optimizations based on known C
builtins.
2018-05-04 Pekka Jääskeläinen <pekka.jaaskelainen@parmance.com>
* brig/brig-lang.c: Allow controlling strict aliasing from

16
gcc/brig/brig-lang.c
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@ -136,6 +136,8 @@ brig_langhook_init_options_struct (struct gcc_options *opts)
opts->x_flag_signed_zeros = 1;
opts->x_optimize = 3;
flag_no_builtin = 1;
}
/* Handle Brig specific options. Return 0 if we didn't do anything. */
@ -635,9 +637,11 @@ builtin_type_for_size (int size, bool unsignedp)
static void
def_builtin_1 (enum built_in_function fncode, const char *name,
enum built_in_class fnclass, tree fntype, tree libtype,
bool both_p, bool fallback_p, bool nonansi_p,
tree fnattrs, bool implicit_p)
enum built_in_class fnclass ATTRIBUTE_UNUSED,
tree fntype, tree libtype ATTRIBUTE_UNUSED,
bool both_p ATTRIBUTE_UNUSED, bool fallback_p,
bool nonansi_p ATTRIBUTE_UNUSED, tree fnattrs,
bool implicit_p)
{
tree decl;
const char *libname;
@ -650,12 +654,6 @@ def_builtin_1 (enum built_in_function fncode, const char *name,
(fallback_p ? libname : NULL),
fnattrs);
if (both_p
&& !flag_no_builtin
&& !(nonansi_p && flag_no_nonansi_builtin))
add_builtin_function (libname, libtype, fncode, fnclass,
NULL, fnattrs);
set_builtin_decl (fncode, decl, implicit_p);
}