[glibc] powerpc: Remove fcopysign{f} implementation

[Adhemerval Zanella <azanella@sourceware.org>]

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=2a45807e73f04eaca186cbaa2f52430935c48ae3

commit 2a45807e73f04eaca186cbaa2f52430935c48ae3
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date:   Tue Apr 5 10:12:03 2022 -0300

    powerpc: Remove fcopysign{f} implementation
    
    The builtin and generic implementation from generic files are suffice.
    
    Checked on powerpc64-linux-gnu and powerpc-linux-gnu.

Diff:
---
 sysdeps/powerpc/fpu/s_copysign.c            | 32 --------------
 sysdeps/powerpc/fpu/s_copysignf.c           | 28 ------------
 sysdeps/powerpc/powerpc32/fpu/s_copysignl.S | 66 -----------------------------
 sysdeps/powerpc/powerpc64/fpu/s_copysignl.S | 48 ---------------------
 4 files changed, 174 deletions(-)

diff --git a/sysdeps/powerpc/fpu/s_copysign.c b/sysdeps/powerpc/fpu/s_copysign.c
deleted file mode 100644
index bc6bbd04f1..0000000000
--- a/sysdeps/powerpc/fpu/s_copysign.c
+++ /dev/null
@@ -1,32 +0,0 @@
-/* Copy sign of a number.  PowerPC version.
-   Copyright (C) 2019-2022 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 Library General Public License as
-   published by the Free Software Foundation; either version 2 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
-   Library General Public License for more details.
-
-   You should have received a copy of the GNU Library General Public
-   License along with the GNU C Library; see the file COPYING.LIB.  If
-   not, see <https://www.gnu.org/licenses/>.  */
-
-#define NO_MATH_REDIRECT
-#include <math.h>
-#include <math_ldbl_opt.h>
-#include <libm-alias-double.h>
-
-double
-__copysign (double x, double y)
-{
-  return __builtin_copysign (x, y);
-}
-libm_alias_double (__copysign, copysign)
-#if LONG_DOUBLE_COMPAT (libc, GLIBC_2_0)
-compat_symbol (libc, __copysign, copysignl, GLIBC_2_0);
-#endif
diff --git a/sysdeps/powerpc/fpu/s_copysignf.c b/sysdeps/powerpc/fpu/s_copysignf.c
deleted file mode 100644
index a506176339..0000000000
--- a/sysdeps/powerpc/fpu/s_copysignf.c
+++ /dev/null
@@ -1,28 +0,0 @@
-/* Copy sign of a number.  PowerPC version.
-   Copyright (C) 2019-2022 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 Library General Public License as
-   published by the Free Software Foundation; either version 2 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
-   Library General Public License for more details.
-
-   You should have received a copy of the GNU Library General Public
-   License along with the GNU C Library; see the file COPYING.LIB.  If
-   not, see <https://www.gnu.org/licenses/>.  */
-
-#define NO_MATH_REDIRECT
-#include <math.h>
-#include <libm-alias-float.h>
-
-float
-__copysignf (float x, float y)
-{
-  return __builtin_copysignf (x, y);
-}
-libm_alias_float (__copysign, copysign)
diff --git a/sysdeps/powerpc/powerpc32/fpu/s_copysignl.S b/sysdeps/powerpc/powerpc32/fpu/s_copysignl.S
deleted file mode 100644
index e31425d0f4..0000000000
--- a/sysdeps/powerpc/powerpc32/fpu/s_copysignl.S
+++ /dev/null
@@ -1,66 +0,0 @@
-/* Copy a sign bit between floating-point values.
-   IBM extended format long double version.
-   Copyright (C) 2006-2022 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 <sysdep.h>
-#include <math_ldbl_opt.h>
-
-ENTRY(__copysignl)
-/* long double [f1,f2] copysign (long double [f1,f2] x, long double [f3,f4] y);
-   copysign(x,y) returns a value with the magnitude of x and
-   with the sign bit of y.  */
-#ifdef _ARCH_PPCGR
-	/* fsel available.  */
-	stwu	r1,-16(r1)
-	cfi_adjust_cfa_offset (16)
-	stfd	fp3,8(r1)
-	fmr	fp0,fp1
-	fabs	fp1,fp1
-	lwz	r3,8+HIWORD(r1)
-	cmpwi	cr6,r3,0
-	addi	r1,r1,16
-	cfi_adjust_cfa_offset (-16)
-	fneg	fp3,fp2
-	fsel	fp2,fp0,fp2,fp3
-	bgelr	cr6
-	fneg	fp1,fp1
-	fneg	fp2,fp2
-	blr
-#else
-	stwu	r1,-32(r1)
-	cfi_adjust_cfa_offset (32)
-	stfd	fp3,8(r1)
-	stfd	fp1,16(r1)
-	lwz	r3,8+HIWORD(r1)
-	lwz	r4,16+HIWORD(r1)
-	xor	r3,r3,r4
-	cmpwi	cr6,r3,0
-	addi	r1,r1,32
-	cfi_adjust_cfa_offset (-32)
-	bgelr	cr6
-	fneg	fp1,fp1
-	fneg	fp2,fp2
-	blr
-#endif
-END (__copysignl)
-
-#if IS_IN (libm)
-long_double_symbol (libm, __copysignl, copysignl)
-#else
-long_double_symbol (libc, __copysignl, copysignl)
-#endif
diff --git a/sysdeps/powerpc/powerpc64/fpu/s_copysignl.S b/sysdeps/powerpc/powerpc64/fpu/s_copysignl.S
deleted file mode 100644
index 4146f6079e..0000000000
--- a/sysdeps/powerpc/powerpc64/fpu/s_copysignl.S
+++ /dev/null
@@ -1,48 +0,0 @@
-/* Copy a sign bit between floating-point values.
-   IBM extended format long double version.
-   Copyright (C) 2004-2022 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 <sysdep.h>
-#include <math_ldbl_opt.h>
-
-ENTRY_TOCLESS (__copysignl)
-/* long double [f1,f2] copysign (long double [f1,f2] x, long double [f3,f4] y);
-   copysign(x,y) returns a value with the magnitude of x and
-   with the sign bit of y.  */
-	stfd	fp3,-16(r1)
-	ld	r3,-16(r1)
-	cmpdi   r3,0
-	blt     L(0)
-	fmr	fp0,fp1
-	fabs	fp1,fp1
-	fneg	fp3,fp2
-	fsel	fp2,fp0,fp2,fp3
-	blr
-L(0):
-	fmr	fp0,fp1
-	fnabs   fp1,fp1
-	fneg	fp3,fp2
-	fsel	fp2,fp0,fp3,fp2
-	blr
-END (__copysignl)
-
-#if IS_IN (libm)
-long_double_symbol (libm, __copysignl, copysignl)
-#else
-long_double_symbol (libc, __copysignl, copysignl)
-#endif