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Avoid undefined behavior in gcc.target/i386/pr64291-1.c 

PR testsuite/64427
	* gcc.target/i386/pr64291-1.c: Limit to lp64 tarrget.  Avoid
	undefined behavior.
	* gcc.target/i386/pr64291-2.c: Updated.

From-SVN: r219479
This commit is contained in:
Marc Glisse 2015-01-12 18:08:04 +01:00 committed by H.J. Lu
parent 020ca9503b
commit 6c0fcb81da
3 changed files with 22 additions and 4 deletions
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7
gcc/testsuite/ChangeLog
View File

@ -1,3 +1,10 @@
2015-01-12 Marc Glisse <marc.glisse@inria.fr>
PR testsuite/64427
* gcc.target/i386/pr64291-1.c: Limit to lp64 tarrget. Avoid
undefined behavior.
* gcc.target/i386/pr64291-2.c: Updated.
2015-01-12 Richard Biener <rguenther@suse.de>
PR tree-optimization/64530

5
gcc/testsuite/gcc.target/i386/pr64291-1.c
View File

@ -1,6 +1,6 @@
/* { dg-options "-O2" } */
/* { dg-additional-sources pr64291-2.c } */
/* { dg-do run } */
/* { dg-do run { target lp64 } } */
void f(void*,...);
void g(void*,long,long);
int nnn=0;
@ -12,6 +12,7 @@ typedef struct
unsigned long *_mp_d;
} __mpz_struct;
typedef __mpz_struct mpz_t[1];
void h(mpz_t);
int main ()
{
@ -21,7 +22,7 @@ int main ()
long alloc, itch;
f (n);
f (d);
h (d);
qp = (unsigned long*)__builtin_alloca(4099*8) + 1;
dnp = (unsigned long*)__builtin_alloca (2049*8);
alloc = 1;

14
gcc/testsuite/gcc.target/i386/pr64291-2.c
View File

@ -1,4 +1,14 @@
/* { dg-do compile } */
extern void abort (void);
#include <assert.h>
void f(void*p,...){}
void g(void*p,long a,long b){if (a!=8) abort();}
void g(void*p,long a,long b){assert(a==8);}
typedef struct
{
int _mp_size;
unsigned long *_mp_d;
} __mpz_struct;
typedef __mpz_struct mpz_t[1];
void h(mpz_t x) {
x->_mp_d=0;
x->_mp_size=0;
}