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c-opts.c (c_common_post_options): For -freestanding...

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2014-05-06  Richard Biener  <rguenther@suse.de>

	c-family/
	* c-opts.c (c_common_post_options): For -freestanding,
	-fno-hosted and -fno-builtin disable pattern recognition
	if not enabled explicitely.

From-SVN: r210100
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Richard Biener 2014-05-06 10:46:18 +00:00 • committed by Richard Biener
parent 3d224d46b8
commit b15458becf
2 changed files with 12 additions and 0 deletions
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6
gcc/c-family/ChangeLog
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@ -1,3 +1,9 @@
2014-05-06 Richard Biener <rguenther@suse.de>
* c-opts.c (c_common_post_options): For -freestanding,
-fno-hosted and -fno-builtin disable pattern recognition
if not enabled explicitely.
2014-05-02 Marek Polacek <polacek@redhat.com>
* c.opt (Wsizeof-pointer-memaccess): Describe option.

6
gcc/c-family/c-opts.c
View file

@ -851,6 +851,12 @@ c_common_post_options (const char **pfilename)
if (flag_objc_exceptions && !flag_objc_sjlj_exceptions)
flag_exceptions = 1;
/* If -ffreestanding, -fno-hosted or -fno-builtin then disable
pattern recognition. */
if (!global_options_set.x_flag_tree_loop_distribute_patterns
&& flag_no_builtin)
flag_tree_loop_distribute_patterns = 0;
/* -Woverlength-strings is off by default, but is enabled by -Wpedantic.
It is never enabled in C++, as the minimum limit is not normative
in that standard. */