Viewing file:  _Float16_2.c (1.26 KB) -rw-r--r--
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/* { dg-do compile } */
/* { dg-options "-O3 -march=armv8.2-a+nofp16 -fpermitted-flt-eval-methods=c11" } */
/* { dg-skip-if "" { *-*-* } { "-mcpu=*" } { "" } } */
#pragma GCC target ("arch=armv8.2-a+nofp16")
_Float16
foo_v8 (_Float16 x, _Float16 y, unsigned int *eval)
{
*eval = __FLT_EVAL_METHOD__;
return x * x + y;
}
__fp16
bar_v8 (__fp16 x, __fp16 y, unsigned int *eval)
{
*eval = __FLT_EVAL_METHOD__;
return x * x + y;
}
#pragma GCC target ("arch=armv8.2-a+fp16")
_Float16
foo_v82 (_Float16 x, _Float16 y, unsigned int *eval)
{
*eval = __FLT_EVAL_METHOD__;
return x * x + y;
}
__fp16
bar_v82 (__fp16 x, __fp16 y, unsigned int *eval)
{
*eval = __FLT_EVAL_METHOD__;
return x * x + y;
}
/* Test that we merge to FMA operations. This indicates that we are not
making extraneous conversions between modes. */
/* Three FMA operations in 32-bit precision, from foo_v8, bar_v8, bar_v82. */
/* { dg-final { scan-assembler-times "fmadd\ts\[0-9\]\+" 3 } } */
/* One FMA operation in 16-bit precision, from foo_v82. */
/* { dg-final { scan-assembler-times "fmadd\th\[0-9\]\+" 1 } } */
/* Test that in -fpermitted-flt-eval-methods=c11 we don't set the
__FLT_EVAL_METHOD__ to anything other than 0. */
/* { dg-final { scan-assembler-times "str\twzr" 4 } } */
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