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Use GCC builtins for roundeven functions if desired.

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This patch is using the corresponding GCC builtin for roundevenf,
roundeven and roundevenl if the USE_FUNCTION_BUILTIN macros are defined
to one in math-use-builtins.h.

These builtin functions is supported since GCC 10.

The code of the generic implementation is not changed.

Signed-off-by: Shen-Ta Hsieh <ibmibmibm.tw@gmail.com>
Reviewed-by: H.J. Lu <hjl.tools@gmail.com>
This commit is contained in:
Shen-Ta Hsieh
2021-05-24 09:43:12 +08:00
committed by H.J. Lu
parent 1683249d17
commit eb9066203f
6 changed files with 22 additions and 0 deletions
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sysdeps/generic/math-use-builtins.h
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@ -30,6 +30,7 @@
#include <math-use-builtins-ceil.h>
#include <math-use-builtins-trunc.h>
#include <math-use-builtins-round.h>
#include <math-use-builtins-roundeven.h>
#include <math-use-builtins-copysign.h>
#include <math-use-builtins-sqrt.h>
#include <math-use-builtins-fma.h>