| /* PR target/6753 |
| This testcase was miscompiled because sse_mov?fcc_const0* |
| patterns were missing earlyclobber. */ |
| /* { dg-do run { target i?86-*-* x86_64-*-* } } */ |
| /* { dg-require-effective-target ilp32 } */ |
| /* { dg-options "-march=pentium3 -msse -ffast-math -O2" } */ |
| |
| #include "../../gcc.dg/i386-cpuid.h" |
| 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) |
| { |
| unsigned int edx; |
| /* See if capabilities include SSE (25th bit; 26 for SSE2). */ |
| edx = i386_cpuid(); |
| if (!(edx & bit_SSE)) |
| 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); |
| } |