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re PR target/70296 (Incorrect handling of vector X; if X is function-like macro)

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PR target/70296
	* include/cpplib.h (cpp_fun_like_macro_p): New prototype.
	* macro.c (cpp_fun_like_macro_p): New function.

	* config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If IDENT is
	function-like macro, peek following token(s) if it is followed
	by CPP_OPEN_PAREN token with optional padding in between, and
	if not, don't treat it like a macro.

	* gcc.target/powerpc/altivec-36.c: New test.

From-SVN: r234371
This commit is contained in:
Jakub Jelinek 2016-03-21 16:41:13 +01:00 • committed by Jakub Jelinek
parent c600d691f3
commit 6b36694859
7 changed files with 90 additions and 1 deletions
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1
libcpp/include/cpplib.h
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@ -813,6 +813,7 @@ extern int cpp_avoid_paste (cpp_reader *, const cpp_token *,
extern const cpp_token *cpp_get_token (cpp_reader *);
extern const cpp_token *cpp_get_token_with_location (cpp_reader *,
source_location *);
extern bool cpp_fun_like_macro_p (cpp_hashnode *);
extern const unsigned char *cpp_macro_definition (cpp_reader *,
cpp_hashnode *);
extern void _cpp_backup_tokens (cpp_reader *, unsigned int);