/* 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); }