gcc/testsuite/gcc.target/i386/ptwrite2.c


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/* { dg-do compile } */
/* { dg-options "-O2 -mptwrite " } */
/* { dg-final { scan-assembler {ptwrite[^\n\r]+%eax} } } */
/* { dg-final { scan-assembler {ptwrite[^\n\r]+%rax} { target lp64 } } } */

#include <x86intrin.h>

void ptwrite1(void)
{
  _ptwrite32 (1);
#ifdef __x86_64__
  _ptwrite64 (2);
#endif
}