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* gcc.c-torture/execute/struct-cpy-1.c: New test.

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From-SVN: r57126
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Alan Modra 2002-09-14 00:44:22 +00:00 committed by Alan Modra
parent 61e6e65a6a
commit 62dfe763cb
2 changed files with 47 additions and 0 deletions
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4
gcc/testsuite/ChangeLog
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@ -1,3 +1,7 @@
2002-09-14 Alan Modra <amodra@bigpond.net.au>
* gcc.c-torture/execute/struct-cpy-1.c: New test.
2002-09-13 Nathan Sidwell <nathan@codesourcery.com>
* g++.dg/template/deduce1.C: New test.

43
gcc/testsuite/gcc.c-torture/execute/struct-cpy-1.c Normal file
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/* powerpc64-linux gcc miscompiled this due to rs6000.c:expand_block_move
not setting mem aliasing info correctly for the code implementing the
structure assignment. */
struct termios
{
unsigned int a;
unsigned int b;
unsigned int c;
unsigned int d;
unsigned char pad[28];
};
struct tty_driver
{
unsigned char pad1[38];
struct termios t __attribute__ ((aligned (8)));
};
static struct termios zero_t;
static struct tty_driver pty;
void ini (void)
{
pty.t = zero_t;
pty.t.a = 1;
pty.t.b = 2;
pty.t.c = 3;
pty.t.d = 4;
}
int main (void)
{
extern void abort (void);
ini ();
if (pty.t.a != 1
|| pty.t.b != 2
|| pty.t.c != 3
|| pty.t.d != 4)
abort ();
return 0;
}