Viewing file:  rotatetest.c (1.65 KB) -rw-r--r--
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/* { dg-do run { target { { i?86-*-* x86_64-*-* } && lp64 } } } */
/* { dg-options "-g" } */
volatile int vv;
__attribute__((noclone, noinline)) long
f1 (unsigned long x)
{
long f = (x << 12) | (x >> (64 - 12));
long g = f;
asm volatile ("" : "+r" (f));
vv++; /* { dg-final { gdb-test . "g" "f" } } */
return f;
}
__attribute__((noclone, noinline)) long
f2 (unsigned long x, int y)
{
long f = (x << y) | (x >> (64 - y));
long g = f;
asm volatile ("" : "+r" (f));
vv++; /* { dg-final { gdb-test . "g" "f" } } */
return f;
}
__attribute__((noclone, noinline)) long
f3 (unsigned long x, int y)
{
long f = (x >> y) | (x << (64 - y));
long g = f;
asm volatile ("" : "+r" (f));
vv++; /* { dg-final { gdb-test . "g" "f" } } */
return f;
}
__attribute__((noclone, noinline)) unsigned int
f4 (unsigned int x)
{
unsigned int f = (x << 12) | (x >> (32 - 12));
unsigned int g = f;
asm volatile ("" : "+r" (f));
vv++; /* { dg-final { gdb-test . "g" "f" } } */
return f;
}
__attribute__((noclone, noinline)) unsigned int
f5 (unsigned int x, int y)
{
unsigned int f = (x << y) | (x >> (32 - y));
unsigned int g = f;
asm volatile ("" : "+r" (f));
vv++; /* { dg-final { gdb-test . "g" "f" } } */
return f;
}
__attribute__((noclone, noinline)) unsigned int
f6 (unsigned int x, int y)
{
unsigned int f = (x >> y) | (x << (32 - y));
unsigned int g = f;
asm volatile ("" : "+r" (f));
vv++; /* { dg-final { gdb-test . "g" "f" } } */
return f;
}
int
main ()
{
f1 (0x123456789abcde0fUL);
f2 (0x123456789abcde0fUL, 18);
f3 (0x123456789abcde0fUL, 17);
f4 (0x12345678);
f5 (0x12345678, 18);
f6 (0x12345678, 17);
return 0;
}
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