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/*
20040311-1.c from the execute part of the gcc torture suite.
*/
#include <testfwk.h>
#ifdef __SDCC
#pragma std_c99
#endif
/* Copyright (C) 2004 Free Software Foundation.
Check that constant folding and RTL simplification of -(x >> y) doesn't
break anything and produces the expected results.
Written by Roger Sayle, 11th March 2004. */
#define INT_BITS (sizeof(int)*8)
int ftest1(int x)
{
return -(x >> (INT_BITS-1));
}
int ftest2(unsigned int x)
{
return -((int)(x >> (INT_BITS-1)));
}
int ftest3(int x)
{
int y;
y = INT_BITS-1;
return -(x >> y);
}
int ftest4(unsigned int x)
{
int y;
y = INT_BITS-1;
return -((int)(x >> y));
}
void
testTortureExecute (void)
{
if (ftest1(0) != 0)
ASSERT (0);
if (ftest1(1) != 0)
ASSERT (0);
if (ftest1(-1) != 1)
ASSERT (0);
if (ftest2(0) != 0)
ASSERT (0);
if (ftest2(1) != 0)
ASSERT (0);
if (ftest2((unsigned int)-1) != -1)
ASSERT (0);
if (ftest3(0) != 0)
ASSERT (0);
if (ftest3(1) != 0)
ASSERT (0);
if (ftest3(-1) != 1)
ASSERT (0);
if (ftest4(0) != 0)
ASSERT (0);
if (ftest4(1) != 0)
ASSERT (0);
if (ftest4((unsigned int)-1) != -1)
ASSERT (0);
return;
}
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