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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)