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authorJakub Jelinek <jakub@redhat.com>2010-10-13 22:27:03 -0400
committerUlrich Drepper <drepper@gmail.com>2010-10-13 22:27:03 -0400
commit5e908464b9603e9cd95047d2edd00de5f78fedaf (patch)
tree1f526248f31bee031ce4c92d9b1b2e857d6b671b /sysdeps/powerpc
parentf90681487d90a6eea8f1c60021bc8dd83313c59b (diff)
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Implement accurate fma.
Diffstat (limited to 'sysdeps/powerpc')
-rw-r--r--sysdeps/powerpc/fpu/s_fma.S33
-rw-r--r--sysdeps/powerpc/fpu/s_fmaf.S28
-rw-r--r--sysdeps/powerpc/powerpc32/fpu/s_fma.S5
-rw-r--r--sysdeps/powerpc/powerpc64/fpu/s_fma.S5
4 files changed, 71 insertions, 0 deletions
diff --git a/sysdeps/powerpc/fpu/s_fma.S b/sysdeps/powerpc/fpu/s_fma.S
new file mode 100644
index 0000000..9c650ea
--- /dev/null
+++ b/sysdeps/powerpc/fpu/s_fma.S
@@ -0,0 +1,33 @@
+/* Compute x * y + z as ternary operation. PowerPC version.
+ Copyright (C) 2010 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, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#include <sysdep.h>
+
+ENTRY(__fma)
+/* double [f1] fma (double [f1] x, double [f2] y, double [f3] z); */
+ fmadd fp1,fp1,fp2,fp3
+ blr
+END(__fma)
+
+weak_alias (__fma,fma)
+
+#ifdef NO_LONG_DOUBLE
+weak_alias (__fma,__fmal)
+weak_alias (__fma,fmal)
+#endif
diff --git a/sysdeps/powerpc/fpu/s_fmaf.S b/sysdeps/powerpc/fpu/s_fmaf.S
new file mode 100644
index 0000000..1a755fe
--- /dev/null
+++ b/sysdeps/powerpc/fpu/s_fmaf.S
@@ -0,0 +1,28 @@
+/* Compute x * y + z as ternary operation. PowerPC version.
+ Copyright (C) 2010 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, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#include <sysdep.h>
+
+ENTRY(__fmaf)
+/* float [f1] fmaf (float [f1] x, float [f2] y, float [f3] z); */
+ fmadds fp1,fp1,fp2,fp3
+ blr
+END(__fmaf)
+
+weak_alias (__fmaf,fmaf)
diff --git a/sysdeps/powerpc/powerpc32/fpu/s_fma.S b/sysdeps/powerpc/powerpc32/fpu/s_fma.S
new file mode 100644
index 0000000..d40695c
--- /dev/null
+++ b/sysdeps/powerpc/powerpc32/fpu/s_fma.S
@@ -0,0 +1,5 @@
+#include <math_ldbl_opt.h>
+#include <sysdeps/powerpc/fpu/s_fma.S>
+#if LONG_DOUBLE_COMPAT(libm, GLIBC_2_1)
+compat_symbol (libm, __fma, fmal, GLIBC_2_1)
+#endif
diff --git a/sysdeps/powerpc/powerpc64/fpu/s_fma.S b/sysdeps/powerpc/powerpc64/fpu/s_fma.S
new file mode 100644
index 0000000..d40695c
--- /dev/null
+++ b/sysdeps/powerpc/powerpc64/fpu/s_fma.S
@@ -0,0 +1,5 @@
+#include <math_ldbl_opt.h>
+#include <sysdeps/powerpc/fpu/s_fma.S>
+#if LONG_DOUBLE_COMPAT(libm, GLIBC_2_1)
+compat_symbol (libm, __fma, fmal, GLIBC_2_1)
+#endif