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tsystem.h (alloca): Provide a default definition. 

* tsystem.h (alloca): Provide a default definition.

	Revert:
	2001-08-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
	    * unwind-dw2.c: Call __builtin_alloca, not alloca.

From-SVN: r87775
This commit is contained in:
Kaveh R. Ghazi 2004-09-20 22:23:12 +00:00 committed by Kaveh Ghazi
parent d3907cc356
commit 2c82eecc78
3 changed files with 13 additions and 1 deletions
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8
gcc/ChangeLog
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@ -1,3 +1,11 @@
2004-09-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
* tsystem.h (alloca): Provide a default definition.
Revert:
2001-08-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
* unwind-dw2.c: Call __builtin_alloca, not alloca.
2004-09-20 Andrew Pinski <pinskia@physics.uc.edu>
PR tree-opt/17558

4
gcc/tsystem.h
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@ -117,4 +117,8 @@ extern int errno;
#define NULL 0
#endif
/* GCC always provides __builtin_alloca(x). */
#undef alloca
#define alloca(x) __builtin_alloca(x)
#endif /* ! GCC_TSYSTEM_H */

2
gcc/unwind-dw2.c
View File

@ -840,7 +840,7 @@ execute_cfa_program (const unsigned char *insn_ptr,
unused_rs = unused_rs->prev;
}
else
new_rs = __builtin_alloca (sizeof (struct frame_state_reg_info));
new_rs = alloca (sizeof (struct frame_state_reg_info));
*new_rs = fs->regs;
fs->regs.prev = new_rs;