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re PR c/71969 (Wrong setting of DECL_DISREGARD_INLINE_LIMITS in the C FE) 

PR c/71969
	* c-decl.c (finish_function): Only set DECL_DISREGARD_INLINE_LIMITS
	on GNU extern inline functions.

	* gcc.dg/alias-11.c (add_cfi, new_cfi): Change __inline__ to
	static __inline__.
	* gcc.dg/pr71969-1.c: New test.
	* gcc.dg/pr71969-2.c: New test.
	* gcc.dg/pr71969-3.c: New test.

From-SVN: r238862
This commit is contained in:
Jakub Jelinek 2016-07-29 14:00:43 +02:00 committed by Marek Polacek
parent a5b5c8b624
commit 673a107a40
7 changed files with 118 additions and 3 deletions
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6
gcc/c/ChangeLog
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@ -1,3 +1,9 @@
2016-07-29 Jakub Jelinek <jakub@redhat.com>
PR c/71969
* c-decl.c (finish_function): Only set DECL_DISREGARD_INLINE_LIMITS
on GNU extern inline functions.
2016-07-29 Marek Polacek <polacek@redhat.com> 2016-07-29 Marek Polacek <polacek@redhat.com>
PR c/71583 PR c/71583

4
gcc/c/c-decl.c
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@ -9262,7 +9262,9 @@ finish_function (void)
/* For GNU C extern inline functions disregard inline limits. */ /* For GNU C extern inline functions disregard inline limits. */
if (DECL_EXTERNAL (fndecl) if (DECL_EXTERNAL (fndecl)
&& DECL_DECLARED_INLINE_P (fndecl)) && DECL_DECLARED_INLINE_P (fndecl)
&& (flag_gnu89_inline
|| lookup_attribute ("gnu_inline", DECL_ATTRIBUTES (fndecl))))
DECL_DISREGARD_INLINE_LIMITS (fndecl) = 1; DECL_DISREGARD_INLINE_LIMITS (fndecl) = 1;
/* Genericize before inlining. Delay genericizing nested functions /* Genericize before inlining. Delay genericizing nested functions

9
gcc/testsuite/ChangeLog
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@ -1,3 +1,12 @@
2016-07-29 Jakub Jelinek <jakub@redhat.com>
PR c/71969
* gcc.dg/alias-11.c (add_cfi, new_cfi): Change __inline__ to
static __inline__.
* gcc.dg/pr71969-1.c: New test.
* gcc.dg/pr71969-2.c: New test.
* gcc.dg/pr71969-3.c: New test.
2016-07-29 Marek Polacek <polacek@redhat.com> 2016-07-29 Marek Polacek <polacek@redhat.com>
PR c/71574 PR c/71574

4
gcc/testsuite/gcc.dg/alias-11.c
View File

@ -24,7 +24,7 @@ dw_cfi_node *cie_cfi_head;
unsigned fde_table_in_use; unsigned fde_table_in_use;
dw_fde_node *fde_table; dw_fde_node *fde_table;
__inline__ void static __inline__ void
add_cfi (dw_cfi_node **list_head, dw_cfi_node *cfi) add_cfi (dw_cfi_node **list_head, dw_cfi_node *cfi)
{ {
dw_cfi_node **p; dw_cfi_node **p;
@ -35,7 +35,7 @@ add_cfi (dw_cfi_node **list_head, dw_cfi_node *cfi)
*p = cfi; *p = cfi;
} }
__inline__ struct dw_cfi_struct * static __inline__ struct dw_cfi_struct *
new_cfi (void) new_cfi (void)
{ {
dw_cfi_node *cfi = (dw_cfi_node *) malloc (sizeof (dw_cfi_node)); dw_cfi_node *cfi = (dw_cfi_node *) malloc (sizeof (dw_cfi_node));

37
gcc/testsuite/gcc.dg/pr71969-1.c Normal file
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@ -0,0 +1,37 @@
/* PR c/71969 */
/* { dg-do compile } */
/* { dg-options "-std=gnu99 -fno-gnu89-inline -O2 -fdump-tree-einline-details" } */
volatile int v;
#define S v++;
#define S10 S S S S S S S S S S
#define S100 S10 S10 S10 S10 S10 S10 S10 S10 S10 S10
extern inline void
foo (void) { S100 }
inline void
bar (void) { S100 }
static inline void
baz (void) { S100 }
int
main ()
{
foo ();
foo ();
foo ();
foo ();
bar ();
bar ();
bar ();
bar ();
baz ();
baz ();
baz ();
baz ();
return 0;
}
/* { dg-final { scan-tree-dump-times "will not early inline" 12 "einline" } } */

23
gcc/testsuite/gcc.dg/pr71969-2.c Normal file
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@ -0,0 +1,23 @@
/* PR c/71969 */
/* { dg-do compile } */
/* { dg-options "-std=gnu99 -fno-gnu89-inline -O2 -fdump-tree-einline-details" } */
volatile int v;
#define S v++;
#define S10 S S S S S S S S S S
#define S100 S10 S10 S10 S10 S10 S10 S10 S10 S10 S10
extern inline __attribute__((gnu_inline)) void
foo (void) { S100 }
int
main ()
{
foo ();
foo ();
foo ();
foo ();
return 0;
}
/* { dg-final { scan-tree-dump-times "Inlining foo into main" 4 "einline" } } */

38
gcc/testsuite/gcc.dg/pr71969-3.c Normal file
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@ -0,0 +1,38 @@
/* PR c/71969 */
/* { dg-do compile } */
/* { dg-options "-std=gnu99 -fgnu89-inline -O2 -fdump-tree-einline-details" } */
volatile int v;
#define S v++;
#define S10 S S S S S S S S S S
#define S100 S10 S10 S10 S10 S10 S10 S10 S10 S10 S10
extern inline void
foo (void) { S100 }
inline void
bar (void) { S100 }
static inline void
baz (void) { S100 }
int
main ()
{
foo ();
foo ();
foo ();
foo ();
bar ();
bar ();
bar ();
bar ();
baz ();
baz ();
baz ();
baz ();
return 0;
}
/* { dg-final { scan-tree-dump-times "will not early inline" 8 "einline" } } */
/* { dg-final { scan-tree-dump-times "Inlining foo into main" 4 "einline" } } */