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extend.texi (__clear_cache): Correct signature.

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gcc/ChangeLog:

	* doc/extend.texi (__clear_cache): Correct signature.

libgcc/ChangeLog:

	* libgcc2.h (__clear_cache): Correct signature.
	* libgcc2.c (__clear_cache): Same.

gcc/testsuite/ChangeLog:

	* gcc.dg/Wbuiltin-declaration-mismatch-12.c: New test.

From-SVN: r269082
This commit is contained in:
Martin Sebor 2019-02-21 23:23:12 +00:00 • committed by Martin Sebor
parent 4bcd47e2e1
commit a90b0cdd44
5 changed files with 17 additions and 5 deletions
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4
gcc/ChangeLog
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@ -1,3 +1,7 @@
2019-02-21 Martin Sebor <msebor@redhat.com>
* doc/extend.texi (__clear_cache): Correct signature.
2019-02-21 Ian Lance Taylor <iant@golang.org>
PR go/89170

2
gcc/doc/extend.texi
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@ -13073,7 +13073,7 @@ void foo (void)
@end deftypefn
@deftypefn {Built-in Function} void __builtin___clear_cache (char *@var{begin}, char *@var{end})
@deftypefn {Built-in Function} void __builtin___clear_cache (void *@var{begin}, void *@var{end})
This function is used to flush the processor's instruction cache for
the region of memory between @var{begin} inclusive and @var{end}
exclusive. Some targets require that the instruction cache be

5
libgcc/ChangeLog
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@ -1,3 +1,8 @@
2019-02-21 Martin Sebor <msebor@redhat.com>
* libgcc2.h (__clear_cache): Correct signature.
* libgcc2.c (__clear_cache): Same.
2019-02-20 Uroš Bizjak <ubizjak@gmail.com>
* config/alpha/linux-unwind.h (alpha_fallback_frame_state):

9
libgcc/libgcc2.c
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@ -2162,11 +2162,14 @@ __eprintf (const char *string, const char *expression,
/* Clear part of an instruction cache. */
void
__clear_cache (char *beg __attribute__((__unused__)),
char *end __attribute__((__unused__)))
__clear_cache (void *beg __attribute__((__unused__)),
void *end __attribute__((__unused__)))
{
#ifdef CLEAR_INSN_CACHE
CLEAR_INSN_CACHE (beg, end);
/* Cast the void* pointers to char* as some implementations
of the macro assume the pointers can be subtracted from
one another. */
CLEAR_INSN_CACHE ((char *) beg, (char *) end);
#endif /* CLEAR_INSN_CACHE */
}

2
libgcc/libgcc2.h
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@ -30,7 +30,7 @@ see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
#endif
extern int __gcc_bcmp (const unsigned char *, const unsigned char *, size_t);
extern void __clear_cache (char *, char *);
extern void __clear_cache (void *, void *);
extern void __eprintf (const char *, const char *, unsigned int, const char *)
__attribute__ ((__noreturn__));