[glibc] m68k: Use sqrt{f} builtin for coldfire

[glibc] m68k: Use sqrt{f} builtin for coldfire

[Adhemerval Zanella]

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=9f21672b8988ca3a95689f99eee6b485e9263da4

commit 9f21672b8988ca3a95689f99eee6b485e9263da4
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date:   Tue Jun 9 15:42:22 2020 -0300

    m68k: Use sqrt{f} builtin for coldfire
    
    Checked with a build for m68k-linux-gnu-coldfire.

Diff:
---
 sysdeps/m68k/coldfire/fpu/e_sqrt.c                 | 26 ---------------------
 sysdeps/m68k/coldfire/fpu/e_sqrtf.c                | 27 ----------------------
 sysdeps/m68k/coldfire/fpu/math-use-builtins-sqrt.h |  4 ++++
 3 files changed, 4 insertions(+), 53 deletions(-)

diff --git a/sysdeps/m68k/coldfire/fpu/e_sqrt.c b/sysdeps/m68k/coldfire/fpu/e_sqrt.c
deleted file mode 100644
index c67630d1b8..0000000000
--- a/sysdeps/m68k/coldfire/fpu/e_sqrt.c
+++ /dev/null
@@ -1,26 +0,0 @@
-/* Copyright (C) 2006-2020 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-
-   The GNU C Library is free software; you can redistribute it and/or
-   modify it under the terms of the GNU Lesser General Public
-   License as published by the Free Software Foundation; either
-   version 2.1 of the License, or (at your option) any later version.
-
-   The GNU C Library is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Lesser General Public License for more details.
-
-   You should have received a copy of the GNU Lesser General Public
-   License along with the GNU C Library.  If not, see
-   <https://www.gnu.org/licenses/>.  */
-
-#include <libm-alias-finite.h>
-
-double
-__ieee754_sqrt (double x)
-{
-  asm ("fdsqrt.d %1,%0" : "=f" (x) : "fm" (x));
-  return x;
-}
-libm_alias_finite (__ieee754_sqrt, __sqrt)
diff --git a/sysdeps/m68k/coldfire/fpu/e_sqrtf.c b/sysdeps/m68k/coldfire/fpu/e_sqrtf.c
deleted file mode 100644
index c2e4928957..0000000000
--- a/sysdeps/m68k/coldfire/fpu/e_sqrtf.c
+++ /dev/null
@@ -1,27 +0,0 @@
-/* Copyright (C) 2006-2020 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-
-   The GNU C Library is free software; you can redistribute it and/or
-   modify it under the terms of the GNU Lesser General Public
-   License as published by the Free Software Foundation; either
-   version 2.1 of the License, or (at your option) any later version.
-
-   The GNU C Library is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Lesser General Public License for more details.
-
-   You should have received a copy of the GNU Lesser General Public
-   License along with the GNU C Library.  If not, see
-   <https://www.gnu.org/licenses/>.  */
-
-#include <libm-alias-finite.h>
-
-float
-__ieee754_sqrtf (float x)
-{
-  double result;
-  asm ("fssqrt.s %1,%0" : "=f" (result) : "dm" (x));
-  return result;
-}
-libm_alias_finite (__ieee754_sqrtf, __sqrtf)
diff --git a/sysdeps/m68k/coldfire/fpu/math-use-builtins-sqrt.h b/sysdeps/m68k/coldfire/fpu/math-use-builtins-sqrt.h
new file mode 100644
index 0000000000..e94c915ba6
--- /dev/null
+++ b/sysdeps/m68k/coldfire/fpu/math-use-builtins-sqrt.h
@@ -0,0 +1,4 @@
+#define USE_SQRT_BUILTIN 1
+#define USE_SQRTF_BUILTIN 1
+#define USE_SQRTL_BUILTIN 0
+#define USE_SQRTF128_BUILTIN 0