[PATCH 05/13] x86_64: Use builtin sqrt{f,l}
Adhemerval Zanella
adhemerval.zanella@linaro.org
Tue Jun 9 21:32:53 GMT 2020
Checked on x86_64-linux-gnu.
---
sysdeps/x86_64/fpu/e_sqrt.c | 32 ---------------------
sysdeps/x86_64/fpu/e_sqrtf.c | 32 ---------------------
sysdeps/x86_64/fpu/e_sqrtl.c | 28 +++++++++++++++++-
sysdeps/x86_64/fpu/math-use-builtins-sqrt.h | 4 +++
4 files changed, 31 insertions(+), 65 deletions(-)
delete mode 100644 sysdeps/x86_64/fpu/e_sqrt.c
delete mode 100644 sysdeps/x86_64/fpu/e_sqrtf.c
create mode 100644 sysdeps/x86_64/fpu/math-use-builtins-sqrt.h
diff --git a/sysdeps/x86_64/fpu/e_sqrt.c b/sysdeps/x86_64/fpu/e_sqrt.c
deleted file mode 100644
index c1708f9b65..0000000000
--- a/sysdeps/x86_64/fpu/e_sqrt.c
+++ /dev/null
@@ -1,32 +0,0 @@
-/* Square root of floating point number.
- Copyright (C) 2002-2020 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 <math_private.h>
-#include <libm-alias-finite.h>
-
-#undef __ieee754_sqrt
-double
-__ieee754_sqrt (double x)
-{
- double res;
-
- asm ("sqrtsd %1, %0" : "=x" (res) : "xm" (x));
-
- return res;
-}
-libm_alias_finite (__ieee754_sqrt, __sqrt)
diff --git a/sysdeps/x86_64/fpu/e_sqrtf.c b/sysdeps/x86_64/fpu/e_sqrtf.c
deleted file mode 100644
index 6155c7be24..0000000000
--- a/sysdeps/x86_64/fpu/e_sqrtf.c
+++ /dev/null
@@ -1,32 +0,0 @@
-/* Square root of floating point number.
- Copyright (C) 2002-2020 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 <math_private.h>
-#include <libm-alias-finite.h>
-
-#undef __ieee754_sqrtf
-float
-__ieee754_sqrtf (float x)
-{
- float res;
-
- asm ("sqrtss %1, %0" : "=x" (res) : "xm" (x));
-
- return res;
-}
-libm_alias_finite (__ieee754_sqrtf, __sqrtf)
diff --git a/sysdeps/x86_64/fpu/e_sqrtl.c b/sysdeps/x86_64/fpu/e_sqrtl.c
index 90e4e164e5..7ea6f52058 100644
--- a/sysdeps/x86_64/fpu/e_sqrtl.c
+++ b/sysdeps/x86_64/fpu/e_sqrtl.c
@@ -1 +1,27 @@
-#include "sysdeps/i386/fpu/e_sqrtl.c"
+/* Square root function. x86_64 long double version.
+ Copyright (C) 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 <math.h>
+#include <libm-alias-finite.h>
+
+long double
+__ieee754_sqrtl (long double x)
+{
+ return __builtin_sqrtl (x);
+}
+libm_alias_finite (__ieee754_sqrtl, __sqrtl)
diff --git a/sysdeps/x86_64/fpu/math-use-builtins-sqrt.h b/sysdeps/x86_64/fpu/math-use-builtins-sqrt.h
new file mode 100644
index 0000000000..e94c915ba6
--- /dev/null
+++ b/sysdeps/x86_64/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
--
2.25.1
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