Viewing file:  p9-xxbr-3.c (2.28 KB) -rw-r--r--
Select action/file-type:
 (+) |  (+) |  (+) | Code (+) | Session (+) |  (+) | SDB (+) |  (+) |  (+) |  (+) |  (+) |  (+) |
/* { dg-do compile { target lp64 } } */
/* { dg-require-effective-target powerpc_p9vector_ok } */
/* { dg-options "-mdejagnu-cpu=power9 -O2" } */
/* Verify that the XXBR{H,W} instructions are generated if the value is
forced to be in a vector register, and XXBRD is generated all of the
time for register bswap64's. */
unsigned short
do_bswap16_mem (unsigned short *p)
{
return __builtin_bswap16 (*p); /* LHBRX. */
}
unsigned short
do_bswap16_reg (unsigned short a)
{
return __builtin_bswap16 (a); /* gpr sequences. */
}
void
do_bswap16_store (unsigned short *p, unsigned short a)
{
*p = __builtin_bswap16 (a); /* STHBRX. */
}
unsigned short
do_bswap16_vect (unsigned short a)
{
__asm__ (" # %x0" : "+v" (a));
return __builtin_bswap16 (a); /* XXBRW. */
}
unsigned int
do_bswap32_mem (unsigned int *p)
{
return __builtin_bswap32 (*p); /* LWBRX. */
}
unsigned int
do_bswap32_reg (unsigned int a)
{
return __builtin_bswap32 (a); /* gpr sequences. */
}
void
do_bswap32_store (unsigned int *p, unsigned int a)
{
*p = __builtin_bswap32 (a); /* STWBRX. */
}
unsigned int
do_bswap32_vect (unsigned int a)
{
__asm__ (" # %x0" : "+v" (a));
return __builtin_bswap32 (a); /* XXBRW. */
}
unsigned long
do_bswap64_mem (unsigned long *p)
{
return __builtin_bswap64 (*p); /* LDBRX. */
}
unsigned long
do_bswap64_reg (unsigned long a)
{
return __builtin_bswap64 (a); /* gpr sequences. */
}
void
do_bswap64_store (unsigned long *p, unsigned int a)
{
*p = __builtin_bswap64 (a); /* STDBRX. */
}
double
do_bswap64_double (unsigned long a)
{
return (double) __builtin_bswap64 (a); /* XXBRD. */
}
unsigned long
do_bswap64_vect (unsigned long a)
{
__asm__ (" # %x0" : "+v" (a)); /* XXBRD. */
return __builtin_bswap64 (a);
}
/* Make sure XXBR{H,W,D} is not generated by default. */
/* { dg-final { scan-assembler-times "xxbrd" 3 } } */
/* { dg-final { scan-assembler-times "xxbrh" 1 } } */
/* { dg-final { scan-assembler-times "xxbrw" 1 } } */
/* { dg-final { scan-assembler-times "ldbrx" 1 } } */
/* { dg-final { scan-assembler-times "lhbrx" 1 } } */
/* { dg-final { scan-assembler-times "lwbrx" 1 } } */
/* { dg-final { scan-assembler-times "stdbrx" 1 } } */
/* { dg-final { scan-assembler-times "sthbrx" 1 } } */
/* { dg-final { scan-assembler-times "stwbrx" 1 } } */
|
