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authorAdhemerval Zanella <adhemerval.zanella@linaro.org>2019-03-15 20:37:23 +0000
committerAdhemerval Zanella <adhemerval.zanella@linaro.org>2019-05-09 09:39:28 -0300
commitae45cf84afba7c6c34c6ebec4598901ed78c28f1 (patch)
tree9ac22c7c12b242ba1d3d1a99a4ffef4db466082c /sysdeps/powerpc/powerpc32
parenta1cb1888b7aaa65cfa6d4e067c7516e2e08d8942 (diff)
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powerpc: trunc/truncf refactor
This patches consolidates all the powerpc trunc{f} implementations on
the generic sysdeps/powerpc/fpu/s_trunc{f}.  The generic implementation
uses either the compiler builts for ISA 2.03+ (which generates the
frim instruction) or a generic implementation which uses FP only
operations.

The IFUNC organization for powerpc64 is also change to be enabled only
for powerpc64 and not for powerpc64le (since minium ISA of 2.08 does not
require the fallback generic implementation).

Checked on powerpc-linux-gnu (built without --with-cpu, with
--with-cpu=power4 and with --with-cpu=power5+ and --disable-multi-arch),
powerpc64-linux-gnu (built without --with-cp and with --with-cpu=power5+
and --disable-multi-arch).

	* sysdeps/powerpc/fpu/trunc_to_integer.h (set_fenv_mode): Add
	 TRUNC handling.
	(round_mode): Add definition for TRUNC.
	* sysdeps/powerpc/fpu/s_trunc.c: New file.
	* sysdeps/powerpc/fpu/s_truncf.c: New file.
	* sysdeps/powerpc/powerpc32/fpu/s_trunc.S: Remove file.
	* sysdeps/powerpc/powerpc32/fpu/s_truncf.S: Likewise.
	* sysdep/powerpc/powepc32/power4/fpu/multiarch/s_trunc-power5+.S:
	Likewise.
	* sysdep/powerpc/powepc32/power4/fpu/multiarch/s_trunc-ppc32.S:
	Likewise.
	* sysdep/powerpc/powepc32/power4/fpu/multiarch/s_truncf-power5+.S:
	Likewise.
	* sysdep/powerpc/powepc32/power4/fpu/multiarch/s_truncf-ppc32.S:
	Likewise.
	* sysdep/powerpc/powepc32/power4/fpu/multiarch/s_trunc-power5+.c: New
	file.
	* sysdep/powerpc/powepc32/power4/fpu/multiarch/s_trunc-ppc32.c:
	Likewise.
	* sysdep/powerpc/powepc32/power4/fpu/multiarch/s_truncf-power5+.c:
	Likewise.
	* sysdep/powerpc/powepc32/power4/fpu/multiarch/s_truncf-ppc32.c:
	Likewise.
	* sysdep/powerpc/powerpc32/power5+/fpu/s_trunc.S: Remove file.
	* sysdep/powerpc/powerpc32/power5+/fpu/s_truncf.S: Likewise.
	* sysdep/powerpc/powerpc64/be/fpu/multiarch/Makefile
	(libm-sysdep_routines): Add s_trunc-power5+, s_trunc-ppc64,
	s_truncf-power5+, and s_truncf-ppc64.
	(CFLAGS-s_trunc-power5+.c, CFLAGS-s_truncf-power5+.c): New rule.
	* sysdep/powerpc/powercp64/be/fpu/multiarch/s_trunc-power5+.c: New
	file.
	* sysdep/powerpc/powercp64/be/fpu/multiarch/s_trunc-ppc64.c: Likewise.
	* sysdeps/powerpc/powerpc64/fpu/multiarch/s_trunc.c: Move to ...
	* sysdeps/powerpc/powerpc64/be/fpu/multiarch/s_trunc.c: ... here.
	* sysdep/powerpc/powercp64/be/fpu/multiarch/s_truncf-power5+.c: New
	file.
	* sysdep/powerpc/powercp64/be/fpu/multiarch/s_truncf-ppc64.c:
	Likewise.
	* sysdeps/powerpc/powerpc64/fpu/multiarch/s_truncf.c: Move to ...
	* sysdeps/powerpc/powerpc64/be/fpu/multiarch/s_truncf.c: ... here.
	* sysdeps/powerpc/powerpc64/fpu/multiarch/Makefile
	(libm-sysdep_routines): Remove s_trunc-power5+, s_trunc-ppc64,
	s_truncf-power5+, and s_truncf-ppc64.
	* sysdep/powerpc/powerpc64/fpu/multiarch/s_trunc-power5+.S: Remove
	file.
	* sysdep/powerpc/powerpc64/fpu/multiarch/s_trunc-ppc64.S: Likewise.
	* sysdep/powerpc/powerpc64/fpu/multiarch/s_truncf-power5+.S:
	Likewise.
	* sysdep/powerpc/powerpc64/fpu/multiarch/s_truncf-ppc64.S: Likewise.
	* sysdeps/powerpc/powerpc64/fpu/s_trunc.S: Likewise.
	* sysdeps/powerpc/powerpc64/fpu/s_truncf.S: Likewise.
	* sysdep/powerpc/powerpc64/power5+/fpu/s_trunc.S: Likewise.
	* sysdep/powerpc/powerpc64/power5+/fpu/s_truncf.S: Likewise.

Reviewed-by: Gabriel F. T. Gomes <gabriel@inconstante.eti.br>
Diffstat (limited to 'sysdeps/powerpc/powerpc32')
-rw-r--r--sysdeps/powerpc/powerpc32/fpu/s_trunc.S83
-rw-r--r--sysdeps/powerpc/powerpc32/fpu/s_truncf.S83
-rw-r--r--sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_trunc-power5+.S33
-rw-r--r--sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_trunc-power5+.c3
-rw-r--r--sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_trunc-ppc32.S31
-rw-r--r--sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_trunc-ppc32.c3
-rw-r--r--sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_truncf-power5+.S26
-rw-r--r--sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_truncf-power5+.c3
-rw-r--r--sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_truncf-ppc32.S27
-rw-r--r--sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_truncf-ppc32.c3
-rw-r--r--sysdeps/powerpc/powerpc32/power5+/fpu/s_trunc.S29
-rw-r--r--sysdeps/powerpc/powerpc32/power5+/fpu/s_truncf.S30
12 files changed, 12 insertions, 342 deletions
diff --git a/sysdeps/powerpc/powerpc32/fpu/s_trunc.S b/sysdeps/powerpc/powerpc32/fpu/s_trunc.S
deleted file mode 100644
index 31daff161f..0000000000
--- a/sysdeps/powerpc/powerpc32/fpu/s_trunc.S
+++ /dev/null
@@ -1,83 +0,0 @@
-/* trunc function.  PowerPC32 version.
-   Copyright (C) 2004-2019 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
-   <http://www.gnu.org/licenses/>.  */
-
-#include <sysdep.h>
-#include <math_ldbl_opt.h>
-#include <libm-alias-double.h>
-
-	.section	.rodata.cst4,"aM",@progbits,4
-	.align	2
-.LC0:	/* 2**52 */
-	.long 0x59800000
-
-/* double [fp1] trunc (double x [fp1])
-   IEEE 1003.1 trunc function.  IEEE specifies "trunc to the integer
-   value, in floating format, nearest to but no larger in magnitude
-   then the argument."
-   We set "round toward Zero" mode and trunc by adding +-2**52 then
-   subtracting +-2**52.  */
-
-	.section	".text"
-ENTRY (__trunc)
-#ifdef SHARED
-	mflr	r11
-	cfi_register(lr,r11)
-	SETUP_GOT_ACCESS(r9,got_label)
-	addis	r9,r9,.LC0-got_label@ha
-	lfs	fp13,.LC0-got_label@l(r9)
-	mtlr	r11
-	cfi_same_value (lr)
-#else
-	lis	r9,.LC0@ha
-	lfs	fp13,.LC0@l(r9)
-#endif
-	fabs	fp0,fp1
-	fsub	fp12,fp13,fp13	/* generate 0.0  */
-	fcmpu	cr7,fp0,fp13	/* if (fabs(x) > TWO52)  */
-	mffs	fp11		/* Save current FPU rounding mode and
-				   "inexact" state.  */
-	fcmpu	cr6,fp1,fp12	/* if (x > 0.0)  */
-	bnl-	cr7,.L10
-	mtfsfi	7,1		/* Set rounding toward 0 mode.  */
-	ble-	cr6,.L4
-	fadd	fp1,fp1,fp13	/* x+= TWO52;  */
-	fsub	fp1,fp1,fp13	/* x-= TWO52;  */
-	fabs	fp1,fp1		/* if (x == 0.0)  */
-				/* x = 0.0; */
-	mtfsf	0xff,fp11	/* Restore previous rounding mode and
-				   "inexact" state.  */
-	blr
-.L4:
-	bge-	cr6,.L9		/* if (x < 0.0)  */
-	fsub	fp1,fp1,fp13	/* x-= TWO52;  */
-	fadd	fp1,fp1,fp13	/* x+= TWO52;  */
-	fnabs	fp1,fp1		/* if (x == 0.0)  */
-				/* x = -0.0; */
-.L9:
-	mtfsf	0xff,fp11	/* Restore previous rounding mode and
-				   "inexact" state.  */
-	blr
-.L10:
-	/* Ensure sNaN input is converted to qNaN.  */
-	fcmpu	cr7,fp1,fp1
-	beqlr	cr7
-	fadd	fp1,fp1,fp1
-	blr
-	END (__trunc)
-
-libm_alias_double (__trunc, trunc)
diff --git a/sysdeps/powerpc/powerpc32/fpu/s_truncf.S b/sysdeps/powerpc/powerpc32/fpu/s_truncf.S
deleted file mode 100644
index 630300c5dc..0000000000
--- a/sysdeps/powerpc/powerpc32/fpu/s_truncf.S
+++ /dev/null
@@ -1,83 +0,0 @@
-/* truncf function.  PowerPC32 version.
-   Copyright (C) 2004-2019 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
-   <http://www.gnu.org/licenses/>.  */
-
-#include <sysdep.h>
-#include <libm-alias-float.h>
-
-	.section	.rodata.cst4,"aM",@progbits,4
-	.align	2
-.LC0:	/* 2**23 */
-	.long 0x4b000000
-
-/* float [fp1] truncf (float x [fp1])
-   IEEE 1003.1 trunc function.  IEEE specifies "trunc to the integer
-   value, in floating format, nearest to but no larger in magnitude
-   then the argument."
-   We set "round toward Zero" mode and trunc by adding +-2**23 then
-   subtracting +-2**23.  */
-
-	.section	".text"
-ENTRY (__truncf)
-#ifdef SHARED
-	mflr	r11
-	cfi_register(lr,r11)
-	SETUP_GOT_ACCESS(r9,got_label)
-	addis	r9,r9,.LC0-got_label@ha
-	lfs	fp13,.LC0-got_label@l(r9)
-	mtlr	r11
-	cfi_same_value (lr)
-#else
-	lis	r9,.LC0@ha
-	lfs	fp13,.LC0@l(r9)
-#endif
-	fabs	fp0,fp1
-	fsubs	fp12,fp13,fp13	/* generate 0.0  */
-	fcmpu	cr7,fp0,fp13	/* if (fabs(x) > TWO23)  */
-	mffs	fp11		/* Save current FPU rounding mode and
-				   "inexact" state.  */
-	fcmpu	cr6,fp1,fp12	/* if (x > 0.0)  */
-	bnl-	cr7,.L10
-	mtfsfi	7,1		/* Set rounding toward 0 mode.  */
-	ble-	cr6,.L4
-	fadds	fp1,fp1,fp13	/* x+= TWO23;  */
-	fsubs	fp1,fp1,fp13	/* x-= TWO23;  */
-	fabs	fp1,fp1		/* if (x == 0.0)  */
-				/* x = 0.0; */
-	mtfsf	0xff,fp11	/* Restore previous rounding mode and
-				   "inexact" state.  */
-	blr
-.L4:
-	bge-	cr6,.L9		/* if (x < 0.0)  */
-	fsubs	fp1,fp1,fp13	/* x-= TWO23;  */
-	fadds	fp1,fp1,fp13	/* x+= TWO23;  */
-	fnabs	fp1,fp1		/* if (x == 0.0)  */
-				/* x = -0.0; */
-.L9:
-	mtfsf	0xff,fp11	/* Restore previous rounding mode and
-				   "inexact" state.  */
-	blr
-.L10:
-	/* Ensure sNaN input is converted to qNaN.  */
-	fcmpu	cr7,fp1,fp1
-	beqlr	cr7
-	fadds	fp1,fp1,fp1
-	blr
-	END (__truncf)
-
-libm_alias_float (__trunc, trunc)
-
diff --git a/sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_trunc-power5+.S b/sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_trunc-power5+.S
deleted file mode 100644
index 3ed99c3f7e..0000000000
--- a/sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_trunc-power5+.S
+++ /dev/null
@@ -1,33 +0,0 @@
-/* trunc function.  PowerPC32/power5+ version.
-   Copyright (C) 2013-2019 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
-   <http://www.gnu.org/licenses/>.  */
-
-#include <sysdep.h>
-#include <math_ldbl_opt.h>
-
-#undef hidden_def
-#define hidden_def(name)
-#undef weak_alias
-#define weak_alias(name, alias)
-#undef strong_alias
-#define strong_alias(name, alias)
-#undef compat_symbol
-#define compat_symbol(lib, name, alias, ver)
-
-#define __trunc __trunc_power5plus
-
-#include <sysdeps/powerpc/powerpc32/power5+/fpu/s_trunc.S>
diff --git a/sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_trunc-power5+.c b/sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_trunc-power5+.c
new file mode 100644
index 0000000000..47abda6810
--- /dev/null
+++ b/sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_trunc-power5+.c
@@ -0,0 +1,3 @@
+#include <math.h>
+#define __trunc __trunc_power5plus
+#include <sysdeps/powerpc/fpu/s_trunc.c>
diff --git a/sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_trunc-ppc32.S b/sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_trunc-ppc32.S
deleted file mode 100644
index 67b87c5db1..0000000000
--- a/sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_trunc-ppc32.S
+++ /dev/null
@@ -1,31 +0,0 @@
-/* trunc function.  PowerPC32 default version.
-   Copyright (C) 2013-2019 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
-   <http://www.gnu.org/licenses/>.  */
-
-#include <sysdep.h>
-#include <math_ldbl_opt.h>
-
-#undef weak_alias
-#define weak_alias(a,b)
-#undef strong_alias
-#define strong_alias(a,b)
-#undef compat_symbol
-#define compat_symbol(a,b,c,d)
-
-#define __trunc __trunc_ppc32
-
-#include <sysdeps/powerpc/powerpc32/fpu/s_trunc.S>
diff --git a/sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_trunc-ppc32.c b/sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_trunc-ppc32.c
new file mode 100644
index 0000000000..5b9164295f
--- /dev/null
+++ b/sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_trunc-ppc32.c
@@ -0,0 +1,3 @@
+#include <math.h>
+#define __trunc __trunc_ppc32
+#include <sysdeps/powerpc/fpu/s_trunc.c>
diff --git a/sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_truncf-power5+.S b/sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_truncf-power5+.S
deleted file mode 100644
index a18af562e6..0000000000
--- a/sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_truncf-power5+.S
+++ /dev/null
@@ -1,26 +0,0 @@
-/* truncf function.  PowerPC32/power5+ version.
-   Copyright (C) 2013-2019 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
-   <http://www.gnu.org/licenses/>.  */
-
-#include <sysdep.h>
-
-#undef weak_alias
-#define weak_alias(name, alias)
-
-#define __truncf __truncf_power5plus
-
-#include <sysdeps/powerpc/powerpc32/power5+/fpu/s_truncf.S>
diff --git a/sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_truncf-power5+.c b/sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_truncf-power5+.c
new file mode 100644
index 0000000000..b8e75d4e28
--- /dev/null
+++ b/sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_truncf-power5+.c
@@ -0,0 +1,3 @@
+#include <math.h>
+#define __truncf __truncf_power5plus
+#include <sysdeps/powerpc/fpu/s_truncf.c>
diff --git a/sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_truncf-ppc32.S b/sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_truncf-ppc32.S
deleted file mode 100644
index a7bf3943f2..0000000000
--- a/sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_truncf-ppc32.S
+++ /dev/null
@@ -1,27 +0,0 @@
-/* truncf function.  PowerPC32 default version.
-   Copyright (C) 2013-2019 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
-   <http://www.gnu.org/licenses/>.  */
-
-#include <sysdep.h>
-#include <math_ldbl_opt.h>
-
-#undef weak_alias
-#define weak_alias(a,b)
-
-#define __truncf __truncf_ppc32
-
-#include <sysdeps/powerpc/powerpc32/fpu/s_truncf.S>
diff --git a/sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_truncf-ppc32.c b/sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_truncf-ppc32.c
new file mode 100644
index 0000000000..f20c82553a
--- /dev/null
+++ b/sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_truncf-ppc32.c
@@ -0,0 +1,3 @@
+#include <math.h>
+#define __truncf __truncf_ppc32
+#include <sysdeps/powerpc/fpu/s_truncf.c>
diff --git a/sysdeps/powerpc/powerpc32/power5+/fpu/s_trunc.S b/sysdeps/powerpc/powerpc32/power5+/fpu/s_trunc.S
deleted file mode 100644
index 37a24104e7..0000000000
--- a/sysdeps/powerpc/powerpc32/power5+/fpu/s_trunc.S
+++ /dev/null
@@ -1,29 +0,0 @@
-/* trunc function.  PowerPC32/power5+ version.
-   Copyright (C) 2006-2019 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
-   <http://www.gnu.org/licenses/>.  */
-
-#include <sysdep.h>
-#include <math_ldbl_opt.h>
-#include <libm-alias-double.h>
-
-	.machine	"power5"
-EALIGN (__trunc, 4, 0)
-	friz	fp1, fp1
-	blr
-	END (__trunc)
-
-libm_alias_double (__trunc, trunc)
diff --git a/sysdeps/powerpc/powerpc32/power5+/fpu/s_truncf.S b/sysdeps/powerpc/powerpc32/power5+/fpu/s_truncf.S
deleted file mode 100644
index f24c1f6cda..0000000000
--- a/sysdeps/powerpc/powerpc32/power5+/fpu/s_truncf.S
+++ /dev/null
@@ -1,30 +0,0 @@
-/* truncf function.  PowerPC32/power5+ version.
-   Copyright (C) 2006-2019 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
-   <http://www.gnu.org/licenses/>.  */
-
-#include <sysdep.h>
-#include <libm-alias-float.h>
-
-	.machine	"power5"
-EALIGN (__truncf, 4, 0)
-	friz	fp1, fp1	/* The rounding instructions are double.  */
-	frsp	fp1, fp1	/* But we need to set ooverflow for float.  */
-	blr
-	END (__truncf)
-
-libm_alias_float (__trunc, trunc)
-