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[PATCH] Add sparc vis3 optimized fma/fmaf.

From: David Miller <davem at davemloft dot net>
To: libc-alpha at sourceware dot org
Date: Thu, 15 Mar 2012 23:11:01 -0700 (PDT)
Subject: [PATCH] Add sparc vis3 optimized fma/fmaf.
Committed to master.

	* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fma-vis3.S: New file.
	* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fma.c: New file.
	* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fmaf-vis3.S: New file.
	* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fmaf.c: New file.
	* sysdeps/sparc/sparc64/fpu/multiarch/s_fma-vis3.S: New file.
	* sysdeps/sparc/sparc64/fpu/multiarch/s_fma.c: New file.
	* sysdeps/sparc/sparc64/fpu/multiarch/s_fmaf-vis3.S: New file.
	* sysdeps/sparc/sparc64/fpu/multiarch/s_fmaf.c: New file.
	* sysdeps/sparc/sparc64/fpu/multiarch/Makefile: Add fma/fmaf
	sysdep routines.
	* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/Makefile: Likewise.
---
 ChangeLog                                          |   12 +++++++
 .../sparc/sparc32/sparcv9/fpu/multiarch/Makefile   |    3 +-
 .../sparc32/sparcv9/fpu/multiarch/s_fma-vis3.S     |   31 ++++++++++++++++++++
 .../sparc/sparc32/sparcv9/fpu/multiarch/s_fma.c    |   14 +++++++++
 .../sparc32/sparcv9/fpu/multiarch/s_fmaf-vis3.S    |   28 ++++++++++++++++++
 .../sparc/sparc32/sparcv9/fpu/multiarch/s_fmaf.c   |   14 +++++++++
 sysdeps/sparc/sparc64/fpu/multiarch/Makefile       |    3 +-
 sysdeps/sparc/sparc64/fpu/multiarch/s_fma-vis3.S   |   25 ++++++++++++++++
 sysdeps/sparc/sparc64/fpu/multiarch/s_fma.c        |   14 +++++++++
 sysdeps/sparc/sparc64/fpu/multiarch/s_fmaf-vis3.S  |   25 ++++++++++++++++
 sysdeps/sparc/sparc64/fpu/multiarch/s_fmaf.c       |   14 +++++++++
 11 files changed, 181 insertions(+), 2 deletions(-)
 create mode 100644 sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fma-vis3.S
 create mode 100644 sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fma.c
 create mode 100644 sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fmaf-vis3.S
 create mode 100644 sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fmaf.c
 create mode 100644 sysdeps/sparc/sparc64/fpu/multiarch/s_fma-vis3.S
 create mode 100644 sysdeps/sparc/sparc64/fpu/multiarch/s_fma.c
 create mode 100644 sysdeps/sparc/sparc64/fpu/multiarch/s_fmaf-vis3.S
 create mode 100644 sysdeps/sparc/sparc64/fpu/multiarch/s_fmaf.c

diff --git a/ChangeLog b/ChangeLog
index 3ad8764..bb85537 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,17 @@
 2012-03-15  David S. Miller  <davem@davemloft.net>
 
+	* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fma-vis3.S: New file.
+	* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fma.c: New file.
+	* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fmaf-vis3.S: New file.
+	* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fmaf.c: New file.
+	* sysdeps/sparc/sparc64/fpu/multiarch/s_fma-vis3.S: New file.
+	* sysdeps/sparc/sparc64/fpu/multiarch/s_fma.c: New file.
+	* sysdeps/sparc/sparc64/fpu/multiarch/s_fmaf-vis3.S: New file.
+	* sysdeps/sparc/sparc64/fpu/multiarch/s_fmaf.c: New file.
+	* sysdeps/sparc/sparc64/fpu/multiarch/Makefile: Add fma/fmaf
+	sysdep routines.
+	* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/Makefile: Likewise.
+
 	* sysdeps/sparc/sparc32/fpu/s_fma.c: New file.
 	* sysdeps/sparc/sparc64/fpu/s_fma.c: New file.
 
diff --git a/sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/Makefile b/sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/Makefile
index af62259..ee9f6ff 100644
--- a/sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/Makefile
+++ b/sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/Makefile
@@ -4,7 +4,8 @@ libm-sysdep_routines += m_copysignf-vis3 m_copysign-vis3 s_ceilf-vis3 \
 			s_ceil-vis3 s_fabs-vis3 s_fabsf-vis3 s_floor-vis3 \
 			s_floorf-vis3 s_llrintf-vis3 s_llrint-vis3 \
 			s_rintf-vis3 s_rint-vis3 w_sqrt-vis3 w_sqrtf-vis3 \
-			s_fminf-vis3 s_fmin-vis3 s_fmaxf-vis3 s_fmax-vis3
+			s_fminf-vis3 s_fmin-vis3 s_fmaxf-vis3 s_fmax-vis3 \
+			s_fmaf-vis3 s_fma-vis3
 sysdep_routines += s_copysignf-vis3 s_copysign-vis3
 endif
 endif
diff --git a/sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fma-vis3.S b/sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fma-vis3.S
new file mode 100644
index 0000000..ee27900
--- /dev/null
+++ b/sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fma-vis3.S
@@ -0,0 +1,31 @@
+/* fma function, sparc32 vis3 version.
+   Copyright (C) 2012 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by David S. Miller <davem@davemloft.net>, 2012.
+
+   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>
+
+ENTRY (__fma_vis3)
+	movwtos	%o0, %f0
+	movwtos	%o1, %f1
+	movwtos	%o2, %f2
+	movwtos	%o3, %f3
+	movwtos	%o4, %f4
+	movwtos	%o5, %f5
+	retl
+	 fmaddd	%f0, %f2, %f4, %f0
+END (__fma_vis3)
diff --git a/sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fma.c b/sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fma.c
new file mode 100644
index 0000000..3f2f162
--- /dev/null
+++ b/sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fma.c
@@ -0,0 +1,14 @@
+#ifdef HAVE_AS_VIS3_SUPPORT
+# include <sparc-ifunc.h>
+# include <math.h>
+
+extern double __fma_vis3 (double, double, double);
+extern double __fma_generic (double, double, double);
+
+sparc_libm_ifunc(__fma, hwcap & HWCAP_SPARC_FMAF ? __fma_vis3 : __fma_generic);
+weak_alias (__fma, fma)
+
+# define __fma __fma_generic
+#endif
+
+#include <sysdeps/ieee754/dbl-64/s_fma.c>
diff --git a/sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fmaf-vis3.S b/sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fmaf-vis3.S
new file mode 100644
index 0000000..1a934f6
--- /dev/null
+++ b/sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fmaf-vis3.S
@@ -0,0 +1,28 @@
+/* fmaf function, sparc32 vis3 version.
+   Copyright (C) 2012 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by David S. Miller <davem@davemloft.net>, 2012.
+
+   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>
+
+ENTRY (__fmaf_vis3)
+	movwtos	%o0, %f1
+	movwtos	%o1, %f3
+	movwtos	%o2, %f5
+	retl
+	 fmadds	%f1, %f3, %f5, %f0
+END (__fmaf_vis3)
diff --git a/sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fmaf.c b/sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fmaf.c
new file mode 100644
index 0000000..7a273a3
--- /dev/null
+++ b/sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fmaf.c
@@ -0,0 +1,14 @@
+#ifdef HAVE_AS_VIS3_SUPPORT
+# include <sparc-ifunc.h>
+# include <math.h>
+
+extern float __fmaf_vis3 (float, float, float);
+extern float __fmaf_generic (float, float, float);
+
+sparc_libm_ifunc(__fmaf, hwcap & HWCAP_SPARC_FMAF ? __fmaf_vis3 : __fmaf_generic);
+weak_alias (__fmaf, fmaf)
+
+# define __fmaf __fmaf_generic
+#endif
+
+#include <sysdeps/ieee754/dbl-64/s_fmaf.c>
diff --git a/sysdeps/sparc/sparc64/fpu/multiarch/Makefile b/sysdeps/sparc/sparc64/fpu/multiarch/Makefile
index 0aa4046..8345848 100644
--- a/sysdeps/sparc/sparc64/fpu/multiarch/Makefile
+++ b/sysdeps/sparc/sparc64/fpu/multiarch/Makefile
@@ -6,7 +6,8 @@ libm-sysdep_routines += m_signbitf-vis3 m_signbit-vis3 s_ceilf-vis3 \
 			m_isinf-vis3 m_isnanf-vis3 m_isnan-vis3 \
 			s_lrintf-vis3 s_lrint-vis3 s_rintf-vis3 \
 			s_rint-vis3 s_fminf-vis3 s_fmin-vis3 \
-			s_fmaxf-vis3 s_fmax-vis3
+			s_fmaxf-vis3 s_fmax-vis3 s_fmaf-vis3 \
+			s_fma-vis3
 sysdep_routines += s_signbitf-vis3 s_signbit-vis3 s_finitef-vis3 \
 		   s_finite-vis3 s_isinff-vis3 s_isinf-vis3 \
 		   s_isnanf-vis3 s_isnan-vis3
diff --git a/sysdeps/sparc/sparc64/fpu/multiarch/s_fma-vis3.S b/sysdeps/sparc/sparc64/fpu/multiarch/s_fma-vis3.S
new file mode 100644
index 0000000..8b57eb2
--- /dev/null
+++ b/sysdeps/sparc/sparc64/fpu/multiarch/s_fma-vis3.S
@@ -0,0 +1,25 @@
+/* fma function, sparc64 vis3 version.
+   Copyright (C) 2012 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by David S. Miller <davem@davemloft.net>, 2012.
+
+   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>
+
+ENTRY (__fma_vis3)
+	retl
+	 fmaddd	%f0, %f2, %f4, %f0
+END (__fma_vis3)
diff --git a/sysdeps/sparc/sparc64/fpu/multiarch/s_fma.c b/sysdeps/sparc/sparc64/fpu/multiarch/s_fma.c
new file mode 100644
index 0000000..3f2f162
--- /dev/null
+++ b/sysdeps/sparc/sparc64/fpu/multiarch/s_fma.c
@@ -0,0 +1,14 @@
+#ifdef HAVE_AS_VIS3_SUPPORT
+# include <sparc-ifunc.h>
+# include <math.h>
+
+extern double __fma_vis3 (double, double, double);
+extern double __fma_generic (double, double, double);
+
+sparc_libm_ifunc(__fma, hwcap & HWCAP_SPARC_FMAF ? __fma_vis3 : __fma_generic);
+weak_alias (__fma, fma)
+
+# define __fma __fma_generic
+#endif
+
+#include <sysdeps/ieee754/dbl-64/s_fma.c>
diff --git a/sysdeps/sparc/sparc64/fpu/multiarch/s_fmaf-vis3.S b/sysdeps/sparc/sparc64/fpu/multiarch/s_fmaf-vis3.S
new file mode 100644
index 0000000..e431e71
--- /dev/null
+++ b/sysdeps/sparc/sparc64/fpu/multiarch/s_fmaf-vis3.S
@@ -0,0 +1,25 @@
+/* fmaf function, sparc64 vis3 version.
+   Copyright (C) 2012 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by David S. Miller <davem@davemloft.net>, 2012.
+
+   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>
+
+ENTRY (__fmaf_vis3)
+	retl
+	 fmadds	%f1, %f3, %f5, %f0
+END (__fmaf_vis3)
diff --git a/sysdeps/sparc/sparc64/fpu/multiarch/s_fmaf.c b/sysdeps/sparc/sparc64/fpu/multiarch/s_fmaf.c
new file mode 100644
index 0000000..7a273a3
--- /dev/null
+++ b/sysdeps/sparc/sparc64/fpu/multiarch/s_fmaf.c
@@ -0,0 +1,14 @@
+#ifdef HAVE_AS_VIS3_SUPPORT
+# include <sparc-ifunc.h>
+# include <math.h>
+
+extern float __fmaf_vis3 (float, float, float);
+extern float __fmaf_generic (float, float, float);
+
+sparc_libm_ifunc(__fmaf, hwcap & HWCAP_SPARC_FMAF ? __fmaf_vis3 : __fmaf_generic);
+weak_alias (__fmaf, fmaf)
+
+# define __fmaf __fmaf_generic
+#endif
+
+#include <sysdeps/ieee754/dbl-64/s_fmaf.c>
-- 
1.7.9.1
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