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/* PR target/6753
This testcase was miscompiled because sse_mov?fcc_const0*
patterns were missing earlyclobber. */
/* { dg-do run { target i386-*-* } } */
/* { dg-options "-march=pentium3 -msse -ffast-math -O2" } */
extern void abort (void);
extern void exit (int);
float one = 1.f;
void bar (float f)
{
if (__builtin_memcmp (&one, &f, sizeof (float)))
abort ();
}
float foo (void)
{
return 1.f;
}
typedef struct
{
float t;
} T;
void bail_if_no_sse (void)
{
int fl1, fl2;
/* See if we can use cpuid. */
__asm__ ("pushfl; pushfl; popl %0; movl %0,%1; xorl %2,%0;"
"pushl %0; popfl; pushfl; popl %0; popfl"
: "=&r" (fl1), "=&r" (fl2)
: "i" (0x00200000));
if (((fl1 ^ fl2) & 0x00200000) == 0)
exit (0);
/* See if cpuid gives capabilities. */
__asm__ ("cpuid" : "=a" (fl1) : "0" (0) : "ebx", "ecx", "edx", "cc");
if (fl1 == 0)
exit (0);
/* See if capabilities include SSE (25th bit; 26 for SSE2). */
__asm__ ("cpuid" : "=a" (fl1), "=d" (fl2) : "0" (1) : "ebx", "ecx", "cc");
if ((fl2 & (1 << 25)) == 0)
exit (0);
}
int main (void)
{
int i;
T x[1];
bail_if_no_sse ();
for (i = 0; i < 1; i++)
{
x[i].t = foo ();
x[i].t = 0.f > x[i].t ? 0.f : x[i].t;
bar (x[i].t);
}
exit (0);
}
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