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-rw-r--r--ChangeLog21
-rw-r--r--math/libm-test.inc35
-rw-r--r--math/s_fdim.c3
-rw-r--r--math/s_fdimf.c3
-rw-r--r--sysdeps/i386/fpu/s_fdim.S51
-rw-r--r--sysdeps/i386/fpu/s_fdimf.S51
-rw-r--r--sysdeps/i386/fpu/s_fdiml.S51
-rw-r--r--sysdeps/i386/i686/fpu/s_fdim.S43
-rw-r--r--sysdeps/i386/i686/fpu/s_fdimf.S43
-rw-r--r--sysdeps/i386/i686/fpu/s_fdiml.S43
-rw-r--r--sysdeps/powerpc/fpu/s_fdim.c30
-rw-r--r--sysdeps/powerpc/fpu/s_fdimf.c26
-rw-r--r--sysdeps/powerpc/powerpc32/fpu/s_fdim.c5
-rw-r--r--sysdeps/powerpc/powerpc64/fpu/s_fdim.c5
-rw-r--r--sysdeps/x86_64/fpu/s_fdiml.S43
15 files changed, 58 insertions, 395 deletions
diff --git a/ChangeLog b/ChangeLog
index abd8fcbba4..b6d20dc89d 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,26 @@
 2016-06-14  Joseph Myers  <joseph@codesourcery.com>
 
+	[BZ #6796]
+	[BZ #20255]
+	[BZ #20256]
+	* math/s_fdim.c: Include <math_private.h>.
+	(__fdim): Use math_narrow_eval on result.
+	* math/s_fdimf.c: Include <math_private.h>.
+	(__fdimf): Use math_narrow_eval on result.
+	* sysdeps/i386/fpu/s_fdim.S: Remove file.
+	* sysdeps/i386/fpu/s_fdimf.S: Likewise.
+	* sysdeps/i386/fpu/s_fdiml.S: Likewise.
+	* sysdeps/i386/i686/fpu/s_fdim.S: Likewise.
+	* sysdeps/i386/i686/fpu/s_fdimf.S: Likewise.
+	* sysdeps/i386/i686/fpu/s_fdiml.S: Likewise.
+	* sysdeps/powerpc/fpu/s_fdim.c: Likewise.
+	* sysdeps/powerpc/fpu/s_fdimf.c: Likewise.
+	* sysdeps/powerpc/powerpc32/fpu/s_fdim.c: Likewise.
+	* sysdeps/powerpc/powerpc64/fpu/s_fdim.c: Likewise.
+	* sysdeps/x86_64/fpu/s_fdiml.S: Likewise.
+	* math/libm-test.inc (fdim_test_data): Expect errno setting on
+	overflow.  Add sNaN tests.
+
 	* math/s_fdim.c (__fdim): Use islessequal and isinf instead of
 	fpclassify.
 	* math/s_fdimf.c (__fdimf): Likewise.
diff --git a/math/libm-test.inc b/math/libm-test.inc
index 010743f98c..cc41c63e7a 100644
--- a/math/libm-test.inc
+++ b/math/libm-test.inc
@@ -7211,8 +7211,7 @@ static const struct test_ff_f_data fdim_test_data[] =
     TEST_ff_f (fdim, max_value, max_value, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_ff_f (fdim, -max_value, -max_value, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_ff_f (fdim, -max_value, max_value, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
-    /* Bug 6796: errno setting may be missing.  */
-    TEST_ff_f (fdim, max_value, -max_value, plus_oflow, INEXACT_EXCEPTION|OVERFLOW_EXCEPTION),
+    TEST_ff_f (fdim, max_value, -max_value, plus_oflow, INEXACT_EXCEPTION|OVERFLOW_EXCEPTION|ERRNO_PLUS_OFLOW),
 
     TEST_ff_f (fdim, plus_infty, 9, plus_infty, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_ff_f (fdim, plus_infty, -9, plus_infty, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
@@ -7229,24 +7228,56 @@ static const struct test_ff_f_data fdim_test_data[] =
     TEST_ff_f (fdim, 0, -qnan_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_ff_f (fdim, 9, -qnan_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_ff_f (fdim, -9, -qnan_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_ff_f (fdim, 0, snan_value, qnan_value, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_f (fdim, 9, snan_value, qnan_value, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_f (fdim, -9, snan_value, qnan_value, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_f (fdim, 0, -snan_value, qnan_value, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_f (fdim, 9, -snan_value, qnan_value, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_f (fdim, -9, -snan_value, qnan_value, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
     TEST_ff_f (fdim, qnan_value, 0, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_ff_f (fdim, qnan_value, 9, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_ff_f (fdim, qnan_value, -9, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_ff_f (fdim, -qnan_value, 0, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_ff_f (fdim, -qnan_value, 9, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_ff_f (fdim, -qnan_value, -9, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_ff_f (fdim, snan_value, 0, qnan_value, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_f (fdim, snan_value, 9, qnan_value, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_f (fdim, snan_value, -9, qnan_value, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_f (fdim, -snan_value, 0, qnan_value, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_f (fdim, -snan_value, 9, qnan_value, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_f (fdim, -snan_value, -9, qnan_value, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
     TEST_ff_f (fdim, plus_infty, qnan_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_ff_f (fdim, minus_infty, qnan_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_ff_f (fdim, plus_infty, -qnan_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_ff_f (fdim, minus_infty, -qnan_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_ff_f (fdim, plus_infty, snan_value, qnan_value, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_f (fdim, minus_infty, snan_value, qnan_value, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_f (fdim, plus_infty, -snan_value, qnan_value, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_f (fdim, minus_infty, -snan_value, qnan_value, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
     TEST_ff_f (fdim, qnan_value, plus_infty, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_ff_f (fdim, qnan_value, minus_infty, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_ff_f (fdim, -qnan_value, plus_infty, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_ff_f (fdim, -qnan_value, minus_infty, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_ff_f (fdim, snan_value, plus_infty, qnan_value, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_f (fdim, snan_value, minus_infty, qnan_value, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_f (fdim, -snan_value, plus_infty, qnan_value, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_f (fdim, -snan_value, minus_infty, qnan_value, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
     TEST_ff_f (fdim, qnan_value, qnan_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_ff_f (fdim, qnan_value, -qnan_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_ff_f (fdim, -qnan_value, qnan_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_ff_f (fdim, -qnan_value, -qnan_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_ff_f (fdim, snan_value, qnan_value, qnan_value, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_f (fdim, snan_value, -qnan_value, qnan_value, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_f (fdim, -snan_value, qnan_value, qnan_value, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_f (fdim, -snan_value, -qnan_value, qnan_value, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_f (fdim, qnan_value, snan_value, qnan_value, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_f (fdim, qnan_value, -snan_value, qnan_value, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_f (fdim, -qnan_value, snan_value, qnan_value, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_f (fdim, -qnan_value, -snan_value, qnan_value, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_f (fdim, snan_value, snan_value, qnan_value, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_f (fdim, snan_value, -snan_value, qnan_value, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_f (fdim, -snan_value, snan_value, qnan_value, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_f (fdim, -snan_value, -snan_value, qnan_value, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
 
     TEST_ff_f (fdim, plus_infty, plus_infty, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_ff_f (fdim, plus_infty, minus_infty, plus_infty, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
diff --git a/math/s_fdim.c b/math/s_fdim.c
index 8789ca4c38..a051ed8db9 100644
--- a/math/s_fdim.c
+++ b/math/s_fdim.c
@@ -19,6 +19,7 @@
 
 #include <errno.h>
 #include <math.h>
+#include <math_private.h>
 
 double
 __fdim (double x, double y)
@@ -26,7 +27,7 @@ __fdim (double x, double y)
   if (islessequal (x, y))
     return 0.0;
 
-  double r = x - y;
+  double r = math_narrow_eval (x - y);
   if (isinf (r) && !isinf (x) && !isinf (y))
     __set_errno (ERANGE);
 
diff --git a/math/s_fdimf.c b/math/s_fdimf.c
index 2e8eccfc4f..8aed61d9e7 100644
--- a/math/s_fdimf.c
+++ b/math/s_fdimf.c
@@ -19,6 +19,7 @@
 
 #include <errno.h>
 #include <math.h>
+#include <math_private.h>
 
 float
 __fdimf (float x, float y)
@@ -26,7 +27,7 @@ __fdimf (float x, float y)
   if (islessequal (x, y))
     return 0.0f;
 
-  float r = x - y;
+  float r = math_narrow_eval (x - y);
   if (isinf (r) && !isinf (x) && !isinf (y))
     __set_errno (ERANGE);
 
diff --git a/sysdeps/i386/fpu/s_fdim.S b/sysdeps/i386/fpu/s_fdim.S
deleted file mode 100644
index d62069b039..0000000000
--- a/sysdeps/i386/fpu/s_fdim.S
+++ /dev/null
@@ -1,51 +0,0 @@
-/* Compute positive difference.
-   Copyright (C) 1997-2016 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
-
-   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>
-
-	.text
-ENTRY(__fdim)
-	fldl	4(%esp)		// x
-	fldl	12(%esp)	// x : y
-
-	fucom	%st(1)
-	fnstsw
-	sahf
-	jp	1f
-
-	jc	3f
-
-	fstp	%st(1)
-	fldz
-	jmp	2f
-
-3:	fsubrp	%st, %st(1)
-	ret
-
-1:	fxam
-	fnstsw
-	andb	$0x45, %ah
-	cmpb	$0x01, %ah
-	je	2f
-
-	fxch
-2:	fstp	%st(1)
-	ret
-END(__fdim)
-weak_alias (__fdim, fdim)
diff --git a/sysdeps/i386/fpu/s_fdimf.S b/sysdeps/i386/fpu/s_fdimf.S
deleted file mode 100644
index d2bd29a233..0000000000
--- a/sysdeps/i386/fpu/s_fdimf.S
+++ /dev/null
@@ -1,51 +0,0 @@
-/* Compute positive difference.
-   Copyright (C) 1997-2016 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
-
-   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>
-
-	.text
-ENTRY(__fdimf)
-	flds	4(%esp)		// x
-	flds	8(%esp)		// x : y
-
-	fucom	%st(1)
-	fnstsw
-	sahf
-	jp	1f
-
-	jc	3f
-
-	fstp	%st(1)
-	fldz
-	jmp	2f
-
-3:	fsubrp	%st, %st(1)
-	ret
-
-1:	fxam
-	fnstsw
-	andb	$0x45, %ah
-	cmpb	$0x01, %ah
-	je	2f
-
-	fxch
-2:	fstp	%st(1)
-	ret
-END(__fdimf)
-weak_alias (__fdimf, fdimf)
diff --git a/sysdeps/i386/fpu/s_fdiml.S b/sysdeps/i386/fpu/s_fdiml.S
deleted file mode 100644
index df6e9c047a..0000000000
--- a/sysdeps/i386/fpu/s_fdiml.S
+++ /dev/null
@@ -1,51 +0,0 @@
-/* Compute positive difference.
-   Copyright (C) 1997-2016 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
-
-   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>
-
-	.text
-ENTRY(__fdiml)
-	fldt	4(%esp)		// x
-	fldt	16(%esp)	// x : y
-
-	fucom	%st(1)
-	fnstsw
-	sahf
-	jp	1f
-
-	jc	3f
-
-	fstp	%st(1)
-	fldz
-	jmp	2f
-
-3:	fsubrp	%st, %st(1)
-	ret
-
-1:	fxam
-	fnstsw
-	andb	$0x45, %ah
-	cmpb	$0x01, %ah
-	je	2f
-
-	fxch
-2:	fstp	%st(1)
-	ret
-END(__fdiml)
-weak_alias (__fdiml, fdiml)
diff --git a/sysdeps/i386/i686/fpu/s_fdim.S b/sysdeps/i386/i686/fpu/s_fdim.S
deleted file mode 100644
index 2cbf815f98..0000000000
--- a/sysdeps/i386/i686/fpu/s_fdim.S
+++ /dev/null
@@ -1,43 +0,0 @@
-/* Compute positive difference.
-   Copyright (C) 1997-2016 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
-
-   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>
-
-	.text
-ENTRY(__fdim)
-	fldl	4(%esp)		// x
-	fldl	12(%esp)	// x : y
-
-	fucomi	%st(1), %st
-	jp	1f
-
-	jc	3f
-	fstp	%st(1)
-	fldz
-	jmp	2f
-
-3:	fsubrp	%st, %st(1)
-	ret
-
-1:	fucomi	%st(0), %st
-	fcmovnu	%st(1), %st
-2:	fstp	%st(1)
-	ret
-END(__fdim)
-weak_alias (__fdim, fdim)
diff --git a/sysdeps/i386/i686/fpu/s_fdimf.S b/sysdeps/i386/i686/fpu/s_fdimf.S
deleted file mode 100644
index 291433f275..0000000000
--- a/sysdeps/i386/i686/fpu/s_fdimf.S
+++ /dev/null
@@ -1,43 +0,0 @@
-/* Compute positive difference.
-   Copyright (C) 1997-2016 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
-
-   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>
-
-	.text
-ENTRY(__fdimf)
-	flds	4(%esp)		// x
-	flds	8(%esp)		// x : y
-
-	fucomi	%st(1), %st
-	jp	1f
-
-	jc	3f
-	fstp	%st(1)
-	fldz
-	jmp	2f
-
-3:	fsubrp	%st, %st(1)
-	ret
-
-1:	fucomi	%st(0), %st
-	fcmovnu	%st(1), %st
-2:	fstp	%st(1)
-	ret
-END(__fdimf)
-weak_alias (__fdimf, fdimf)
diff --git a/sysdeps/i386/i686/fpu/s_fdiml.S b/sysdeps/i386/i686/fpu/s_fdiml.S
deleted file mode 100644
index 8cdfedef0a..0000000000
--- a/sysdeps/i386/i686/fpu/s_fdiml.S
+++ /dev/null
@@ -1,43 +0,0 @@
-/* Compute positive difference.
-   Copyright (C) 1997-2016 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
-
-   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>
-
-	.text
-ENTRY(__fdiml)
-	fldt	4(%esp)		// x
-	fldt	16(%esp)	// x : y
-
-	fucomi	%st(1), %st
-	jp	1f
-
-	jc	3f
-	fstp	%st(1)
-	fldz
-	jmp	2f
-
-3:	fsubrp	%st, %st(1)
-	ret
-
-1:	fucomi	%st(0), %st
-	fcmovnu	%st(1), %st
-2:	fstp	%st(1)
-	ret
-END(__fdiml)
-weak_alias (__fdiml, fdiml)
diff --git a/sysdeps/powerpc/fpu/s_fdim.c b/sysdeps/powerpc/fpu/s_fdim.c
deleted file mode 100644
index 1d4b6d0665..0000000000
--- a/sysdeps/powerpc/fpu/s_fdim.c
+++ /dev/null
@@ -1,30 +0,0 @@
-/* Return positive difference between arguments.
-   Copyright (C) 1997-2016 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 <math.h>
-
-double
-__fdim (double x, double y)
-{
-  return x <= y ? 0 : x - y;
-}
-weak_alias (__fdim, fdim)
-#ifdef NO_LONG_DOUBLE
-strong_alias (__fdim, __fdiml)
-weak_alias (__fdim, fdiml)
-#endif
diff --git a/sysdeps/powerpc/fpu/s_fdimf.c b/sysdeps/powerpc/fpu/s_fdimf.c
deleted file mode 100644
index 8c645c413a..0000000000
--- a/sysdeps/powerpc/fpu/s_fdimf.c
+++ /dev/null
@@ -1,26 +0,0 @@
-/* Return positive difference between arguments.
-   Copyright (C) 1997-2016 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 <math.h>
-
-float
-__fdimf (float x, float y)
-{
-  return x <= y ? 0 : x - y;
-}
-weak_alias (__fdimf, fdimf)
diff --git a/sysdeps/powerpc/powerpc32/fpu/s_fdim.c b/sysdeps/powerpc/powerpc32/fpu/s_fdim.c
deleted file mode 100644
index e34b51ee54..0000000000
--- a/sysdeps/powerpc/powerpc32/fpu/s_fdim.c
+++ /dev/null
@@ -1,5 +0,0 @@
-#include <math_ldbl_opt.h>
-#include <sysdeps/powerpc/fpu/s_fdim.c>
-#if LONG_DOUBLE_COMPAT(libm, GLIBC_2_1)
-compat_symbol (libm, __fdim, fdiml, GLIBC_2_1);
-#endif
diff --git a/sysdeps/powerpc/powerpc64/fpu/s_fdim.c b/sysdeps/powerpc/powerpc64/fpu/s_fdim.c
deleted file mode 100644
index e34b51ee54..0000000000
--- a/sysdeps/powerpc/powerpc64/fpu/s_fdim.c
+++ /dev/null
@@ -1,5 +0,0 @@
-#include <math_ldbl_opt.h>
-#include <sysdeps/powerpc/fpu/s_fdim.c>
-#if LONG_DOUBLE_COMPAT(libm, GLIBC_2_1)
-compat_symbol (libm, __fdim, fdiml, GLIBC_2_1);
-#endif
diff --git a/sysdeps/x86_64/fpu/s_fdiml.S b/sysdeps/x86_64/fpu/s_fdiml.S
deleted file mode 100644
index f9f1e20259..0000000000
--- a/sysdeps/x86_64/fpu/s_fdiml.S
+++ /dev/null
@@ -1,43 +0,0 @@
-/* Compute positive difference.
-   Copyright (C) 1997-2016 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
-
-   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>
-
-	.text
-ENTRY(__fdiml)
-	fldt	8(%rsp)		// x
-	fldt	24(%rsp)	// x : y
-
-	fucomi	%st(1), %st
-	jp	1f
-
-	jc	3f
-	fstp	%st(1)
-	fldz
-	jmp	2f
-
-3:	fsubrp	%st, %st(1)
-	ret
-
-1:	fucomi	%st(0), %st
-	fcmovnu	%st(1), %st
-2:	fstp	%st(1)
-	ret
-END(__fdiml)
-weak_alias (__fdiml, fdiml)
generated by cgit-pink 1.4.1 (git 2.36.1) at 2024-12-03 17:57:37 +0000