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/* { dg-do compile } */
/* { dg-require-effective-target arm_hard_vfp_ok } */
/* { dg-require-effective-target arm_fp16_alternative_ok } */
/* { dg-options "-O2" } */
/* { dg-add-options arm_fp16_alternative } */
/* { dg-final { check-function-bodies "**" "" "" } } */
/* Test __fp16 arguments and return value in registers (hard-float). */
void
swap (__fp16, __fp16);
/*
** F:
** ...
** (
Below block is for non-armv8.1
** (
** vmov\.f32 (s[3-9]|s1[0-5]), s0
** ...
** vmov\.f32 s0, s1
** ...
** vmov\.f32 s1, \1
** |
** vmov\.f32 (s[3-9]|s1[0-5]), s1
** ...
** vmov\.f32 s1, s0
** ...
** vmov\.f32 s0, \2
** )
** vstr\.32 s2, \[sp, #4\] @ int
** bl swap
** vldr\.32 s2, \[sp, #4\] @ int
** vmov\.f32 s0, s2
** |
Below block is for armv8.1
** (
** vmov (s[3-9]|s1[0-5]), s0
** ...
** vmov s0, s1
** ...
** vmov s1, \3
** |
** vmov (s[3-9]|s1[0-5]), s1
** ...
** vmov s1, s0
** ...
** vmov s0, \4
** )
** vstr\.32 s2, \[sp, #4\] @ int
** bl swap
** vldr\.16 s0, \[sp, #4\]
** )
** ...
*/
__fp16
F (__fp16 a, __fp16 b, __fp16 c)
{
swap (b, a);
return c;
}
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