OpenE2K
/
gcc
2
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

re PR target/13256 (strict_low_part mistreated in delay slots) 

PR target/13256
	* gcc.c-torture/execute/20031201-1.c: New test.

From-SVN: r74329
This commit is contained in:
Hans-Peter Nilsson 2003-12-05 11:58:20 +00:00 committed by Hans-Peter Nilsson
parent 73fb6466a4
commit 64ed86c718
2 changed files with 81 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
gcc/testsuite/ChangeLog
View File

@ -1,3 +1,8 @@
2003-12-05 Hans-Peter Nilsson <hp@axis.com>
PR target/13256
* gcc.c-torture/execute/20031201-1.c: New test.
2003-12-05 Arnaud Charlet <charlet@act-europe.fr>
* ada/acats/run_acats: Add checks against missing gnatlib/gnattools.

76
gcc/testsuite/gcc.c-torture/execute/20031201-1.c Normal file
View File

@ -0,0 +1,76 @@
/* Copyright (C) 2003 Free Software Foundation.
PR target/13256
STRICT_LOW_PART was handled incorrectly in delay slots.
Origin: Hans-Peter Nilsson. */
typedef struct { unsigned int e0 : 16; unsigned int e1 : 16; } s1;
typedef struct { unsigned int e0 : 16; unsigned int e1 : 16; } s2;
typedef struct { s1 i12; s2 i16; } io;
static int test_length = 2;
static io *i;
static int m = 1;
static int d = 1;
static unsigned long test_t0;
static unsigned long test_t1;
void test(void) __attribute__ ((__noinline__));
extern int f1 (void *port) __attribute__ ((__noinline__));
extern void f0 (void) __attribute__ ((__noinline__));
int
f1 (void *port)
{
int fail_count = 0;
unsigned long tlen;
s1 x0 = {0};
s2 x1 = {0};
i = port;
x0.e0 = x1.e0 = 32;
i->i12 = x0;
i->i16 = x1;
do f0(); while (test_t1);
x0.e0 = x1.e0 = 8;
i->i12 = x0;
i->i16 = x1;
test ();
if (m)
{
unsigned long e = 1000000000 / 460800 * test_length;
tlen = test_t1 - test_t0;
if (((tlen-e) & 0x7FFFFFFF) > 1000)
f0();
}
if (d)
{
unsigned long e = 1000000000 / 460800 * test_length;
tlen = test_t1 - test_t0;
if (((tlen - e) & 0x7FFFFFFF) > 1000)
f0();
}
return fail_count != 0 ? 1 : 0;
}
int
main ()
{
io io0;
f1 (&io0);
abort ();
}
void
test (void)
{
io *iop = i;
if (iop->i12.e0 != 8 || iop->i16.e0 != 8)
abort ();
exit (0);
}
void
f0 (void)
{
static int washere = 0;
io *iop = i;
if (washere++ || iop->i12.e0 != 32 || iop->i16.e0 != 32)
abort ();
}