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[PATCH COMMITTED] Optimize trunc{,f} on sparc.
- From: David Miller <davem at davemloft dot net>
- To: libc-alpha at sourceware dot org
- Date: Wed, 16 Jan 2013 03:08:33 -0500 (EST)
- Subject: [PATCH COMMITTED] Optimize trunc{,f} on sparc.
* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/Makefile: Add vis3
trunc{,f} to libm-sysdep_routes.
* sysdeps/sparc/sparc64/fpu/multiarch/Makefile: Likewise.
* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_trunc-vis3.S: New
file.
* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_trunc.S: New file.
* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_truncf-vis3.S: New
file.
* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_truncf.S: New
file.
* sysdeps/sparc/sparc32/sparcv9/fpu/s_trunc.S: New file.
* sysdeps/sparc/sparc32/sparcv9/fpu/s_truncf.S: New file.
* sysdeps/sparc/sparc64/fpu/multiarch/s_trunc-vis3.S: New file.
* sysdeps/sparc/sparc64/fpu/multiarch/s_trunc.S: New file.
* sysdeps/sparc/sparc64/fpu/multiarch/s_truncf-vis3.S: New file.
* sysdeps/sparc/sparc64/fpu/multiarch/s_truncf.S: New file.
* sysdeps/sparc/sparc64/fpu/s_trunc.S: New file.
* sysdeps/sparc/sparc64/fpu/s_truncf.S: New file.
---
ChangeLog | 19 ++++++
.../sparc/sparc32/sparcv9/fpu/multiarch/Makefile | 3 +-
.../sparc32/sparcv9/fpu/multiarch/s_trunc-vis3.S | 57 +++++++++++++++++
.../sparc/sparc32/sparcv9/fpu/multiarch/s_trunc.S | 19 ++++++
.../sparc32/sparcv9/fpu/multiarch/s_truncf-vis3.S | 53 ++++++++++++++++
.../sparc/sparc32/sparcv9/fpu/multiarch/s_truncf.S | 12 ++++
sysdeps/sparc/sparc32/sparcv9/fpu/s_trunc.S | 64 ++++++++++++++++++++
sysdeps/sparc/sparc32/sparcv9/fpu/s_truncf.S | 56 +++++++++++++++++
sysdeps/sparc/sparc64/fpu/multiarch/Makefile | 3 +-
sysdeps/sparc/sparc64/fpu/multiarch/s_trunc-vis3.S | 53 ++++++++++++++++
sysdeps/sparc/sparc64/fpu/multiarch/s_trunc.S | 12 ++++
.../sparc/sparc64/fpu/multiarch/s_truncf-vis3.S | 52 ++++++++++++++++
sysdeps/sparc/sparc64/fpu/multiarch/s_truncf.S | 12 ++++
sysdeps/sparc/sparc64/fpu/s_trunc.S | 55 +++++++++++++++++
sysdeps/sparc/sparc64/fpu/s_truncf.S | 54 +++++++++++++++++
15 files changed, 522 insertions(+), 2 deletions(-)
create mode 100644 sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_trunc-vis3.S
create mode 100644 sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_trunc.S
create mode 100644 sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_truncf-vis3.S
create mode 100644 sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_truncf.S
create mode 100644 sysdeps/sparc/sparc32/sparcv9/fpu/s_trunc.S
create mode 100644 sysdeps/sparc/sparc32/sparcv9/fpu/s_truncf.S
create mode 100644 sysdeps/sparc/sparc64/fpu/multiarch/s_trunc-vis3.S
create mode 100644 sysdeps/sparc/sparc64/fpu/multiarch/s_trunc.S
create mode 100644 sysdeps/sparc/sparc64/fpu/multiarch/s_truncf-vis3.S
create mode 100644 sysdeps/sparc/sparc64/fpu/multiarch/s_truncf.S
create mode 100644 sysdeps/sparc/sparc64/fpu/s_trunc.S
create mode 100644 sysdeps/sparc/sparc64/fpu/s_truncf.S
diff --git a/ChangeLog b/ChangeLog
index a8d4b58..5a74ea3 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,6 +1,25 @@
2013-01-15 David S. Miller <davem@davemloft.net>
* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/Makefile: Add vis3
+ trunc{,f} to libm-sysdep_routes.
+ * sysdeps/sparc/sparc64/fpu/multiarch/Makefile: Likewise.
+ * sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_trunc-vis3.S: New
+ file.
+ * sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_trunc.S: New file.
+ * sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_truncf-vis3.S: New
+ file.
+ * sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_truncf.S: New
+ file.
+ * sysdeps/sparc/sparc32/sparcv9/fpu/s_trunc.S: New file.
+ * sysdeps/sparc/sparc32/sparcv9/fpu/s_truncf.S: New file.
+ * sysdeps/sparc/sparc64/fpu/multiarch/s_trunc-vis3.S: New file.
+ * sysdeps/sparc/sparc64/fpu/multiarch/s_trunc.S: New file.
+ * sysdeps/sparc/sparc64/fpu/multiarch/s_truncf-vis3.S: New file.
+ * sysdeps/sparc/sparc64/fpu/multiarch/s_truncf.S: New file.
+ * sysdeps/sparc/sparc64/fpu/s_trunc.S: New file.
+ * sysdeps/sparc/sparc64/fpu/s_truncf.S: New file.
+
+ * sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/Makefile: Add vis3
nearbyint{,f} to libm-sysdep_routes.
* sysdeps/sparc/sparc64/fpu/multiarch/Makefile: Likewise.
* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_nearbyint-vis3.S:
diff --git a/sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/Makefile b/sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/Makefile
index aecd93b..0d92813 100644
--- a/sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/Makefile
+++ b/sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/Makefile
@@ -8,7 +8,8 @@ libm-sysdep_routines += m_copysignf-vis3 m_copysign-vis3 s_ceilf-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_fmaf-vis3 s_fma-vis3 s_fdimf-vis3 s_fdim-vis3 \
- s_nearbyint-vis3 s_nearbyintf-vis3
+ s_nearbyint-vis3 s_nearbyintf-vis3 s_truncf-vis3 \
+ s_trunc-vis3
sysdep_routines += s_copysignf-vis3 s_copysign-vis3
endif
endif
diff --git a/sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_trunc-vis3.S b/sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_trunc-vis3.S
new file mode 100644
index 0000000..72ec282
--- /dev/null
+++ b/sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_trunc-vis3.S
@@ -0,0 +1,57 @@
+/* Truncate argument to nearest integral value not larger than
+ the argument, sparc32 v9 vis3 version.
+
+ Copyright (C) 2013 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by David S. Miller <davem@davemloft.net>, 2013.
+
+ 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>
+
+ /* We pop constants into the FPU registers using the incoming
+ argument stack slots, since this avoid having to use any PIC
+ references. We also thus avoid having to allocate a register
+ window.
+
+ VIS instructions are used to facilitate the formation of
+ easier constants, and the propagation of the sign bit. */
+
+#define TWO_FIFTYTWO 0x43300000 /* 2**52 */
+
+#define ZERO %f10 /* 0.0 */
+#define SIGN_BIT %f12 /* -0.0 */
+
+ENTRY (__trunc_vis3)
+ sethi %hi(TWO_FIFTYTWO), %o2
+ sllx %o0, 32, %o0
+ or %o0, %o1, %o0
+ fzero ZERO
+ movxtod %o0, %f0
+ sllx %o2, 32, %o2
+ fnegd ZERO, SIGN_BIT
+ movxtod %o2, %f16
+ fabsd %f0, %f14
+ fcmpd %fcc3, %f14, %f16
+ fmovduge %fcc3, ZERO, %f14
+ fand %f0, SIGN_BIT, SIGN_BIT
+ fdtox %f14, %f14
+ fxtod %f14, %f14
+ faddd %f0, ZERO, %f18
+ fmovduge %fcc3, %f18, %f14
+ retl
+ for %f14, SIGN_BIT, %f0
+END (__trunc_vis3)
diff --git a/sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_trunc.S b/sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_trunc.S
new file mode 100644
index 0000000..3787fa1
--- /dev/null
+++ b/sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_trunc.S
@@ -0,0 +1,19 @@
+#include <sparc-ifunc.h>
+#include <math_ldbl_opt.h>
+
+SPARC_ASM_VIS3_IFUNC(trunc)
+
+weak_alias (__trunc, trunc)
+
+#if LONG_DOUBLE_COMPAT(libm, GLIBC_2_1)
+compat_symbol (libm, __trunc, truncl, GLIBC_2_1)
+#endif
+
+# undef weak_alias
+# define weak_alias(a, b)
+# undef compat_symbol
+# define compat_symbol(a, b, c, d)
+
+#define __trunc __trunc_generic
+
+#include "../s_trunc.S"
diff --git a/sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_truncf-vis3.S b/sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_truncf-vis3.S
new file mode 100644
index 0000000..60445df
--- /dev/null
+++ b/sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_truncf-vis3.S
@@ -0,0 +1,53 @@
+/* Truncate argument to nearest integral value not larger than
+ the argument, sparc32 v9 vis3 version.
+
+ Copyright (C) 2013 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by David S. Miller <davem@davemloft.net>, 2013.
+
+ 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>
+
+ /* We pop constants into the FPU registers using the incoming
+ argument stack slots, since this avoid having to use any PIC
+ references. We also thus avoid having to allocate a register
+ window.
+
+ VIS instructions are used to facilitate the formation of
+ easier constants, and the propagation of the sign bit. */
+
+#define TWO_TWENTYTHREE 0x4b000000 /* 2**23 */
+
+#define ZERO %f10 /* 0.0 */
+#define SIGN_BIT %f12 /* -0.0 */
+
+ENTRY (__truncf_vis3)
+ movwtos %o0, %f1
+ sethi %hi(TWO_TWENTYTHREE), %o2
+ fzeros ZERO
+ fnegs ZERO, SIGN_BIT
+ movwtos %o2, %f16
+ fabss %f1, %f14
+ fcmps %fcc3, %f14, %f16
+ fmovsuge %fcc3, ZERO, %f14
+ fands %f1, SIGN_BIT, SIGN_BIT
+ fstoi %f14, %f14
+ fitos %f14, %f14
+ fadds %f1, ZERO, %f18
+ fmovsuge %fcc3, %f18, %f14
+ retl
+ fors %f14, SIGN_BIT, %f0
+END (__truncf_vis3)
diff --git a/sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_truncf.S b/sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_truncf.S
new file mode 100644
index 0000000..2ca2517
--- /dev/null
+++ b/sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_truncf.S
@@ -0,0 +1,12 @@
+#include <sparc-ifunc.h>
+
+SPARC_ASM_VIS3_IFUNC(truncf)
+
+weak_alias (__truncf, truncf)
+
+# undef weak_alias
+# define weak_alias(a, b)
+
+#define __truncf __truncf_generic
+
+#include "../s_truncf.S"
diff --git a/sysdeps/sparc/sparc32/sparcv9/fpu/s_trunc.S b/sysdeps/sparc/sparc32/sparcv9/fpu/s_trunc.S
new file mode 100644
index 0000000..c451d1d
--- /dev/null
+++ b/sysdeps/sparc/sparc32/sparcv9/fpu/s_trunc.S
@@ -0,0 +1,64 @@
+/* Truncate argument to nearest integral value not larger than
+ the argument, sparc32 v9 version.
+
+ Copyright (C) 2013 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by David S. Miller <davem@davemloft.net>, 2013.
+
+ 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>
+
+ /* We pop constants into the FPU registers using the incoming
+ argument stack slots, since this avoid having to use any PIC
+ references. We also thus avoid having to allocate a register
+ window.
+
+ VIS instructions are used to facilitate the formation of
+ easier constants, and the propagation of the sign bit. */
+
+#define TWO_FIFTYTWO 0x43300000 /* 2**52 */
+
+#define ZERO %f10 /* 0.0 */
+#define SIGN_BIT %f12 /* -0.0 */
+
+ENTRY (__trunc)
+ sethi %hi(TWO_FIFTYTWO), %o2
+ sllx %o0, 32, %o0
+ or %o0, %o1, %o0
+ fzero ZERO
+ stx %o0, [%sp + 72]
+ sllx %o2, 32, %o2
+ fnegd ZERO, SIGN_BIT
+ ldd [%sp + 72], %f0
+ stx %o2, [%sp + 72]
+ fabsd %f0, %f14
+ ldd [%sp + 72], %f16
+ fcmpd %fcc3, %f14, %f16
+ fmovduge %fcc3, ZERO, %f14
+ fand %f0, SIGN_BIT, SIGN_BIT
+ fdtox %f14, %f14
+ fxtod %f14, %f14
+ faddd %f0, ZERO, %f18
+ fmovduge %fcc3, %f18, %f14
+ retl
+ for %f14, SIGN_BIT, %f0
+END (__trunc)
+weak_alias (__trunc, trunc)
+
+#if LONG_DOUBLE_COMPAT(libm, GLIBC_2_1)
+compat_symbol (libm, __trunc, truncl, GLIBC_2_1)
+#endif
diff --git a/sysdeps/sparc/sparc32/sparcv9/fpu/s_truncf.S b/sysdeps/sparc/sparc32/sparcv9/fpu/s_truncf.S
new file mode 100644
index 0000000..4e6e25b
--- /dev/null
+++ b/sysdeps/sparc/sparc32/sparcv9/fpu/s_truncf.S
@@ -0,0 +1,56 @@
+/* Truncate argument to nearest integral value not larger than
+ the argument, sparc32 v9 version.
+
+ Copyright (C) 2013 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by David S. Miller <davem@davemloft.net>, 2013.
+
+ 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>
+
+ /* We pop constants into the FPU registers using the incoming
+ argument stack slots, since this avoid having to use any PIC
+ references. We also thus avoid having to allocate a register
+ window.
+
+ VIS instructions are used to facilitate the formation of
+ easier constants, and the propagation of the sign bit. */
+
+#define TWO_TWENTYTHREE 0x4b000000 /* 2**23 */
+
+#define ZERO %f10 /* 0.0 */
+#define SIGN_BIT %f12 /* -0.0 */
+
+ENTRY (__truncf)
+ st %o0, [%sp + 68]
+ sethi %hi(TWO_TWENTYTHREE), %o2
+ fzeros ZERO
+ ld [%sp + 68], %f1
+ fnegs ZERO, SIGN_BIT
+ st %o2, [%sp + 68]
+ fabss %f1, %f14
+ ld [%sp + 68], %f16
+ fcmps %fcc3, %f14, %f16
+ fmovsuge %fcc3, ZERO, %f14
+ fands %f1, SIGN_BIT, SIGN_BIT
+ fstoi %f14, %f14
+ fitos %f14, %f14
+ fadds %f1, ZERO, %f18
+ fmovsuge %fcc3, %f18, %f14
+ retl
+ fors %f14, SIGN_BIT, %f0
+END (__truncf)
+weak_alias (__truncf, truncf)
diff --git a/sysdeps/sparc/sparc64/fpu/multiarch/Makefile b/sysdeps/sparc/sparc64/fpu/multiarch/Makefile
index eff225e..6a9274b 100644
--- a/sysdeps/sparc/sparc64/fpu/multiarch/Makefile
+++ b/sysdeps/sparc/sparc64/fpu/multiarch/Makefile
@@ -9,7 +9,8 @@ libm-sysdep_routines += m_signbitf-vis3 m_signbit-vis3 s_ceilf-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_fmaf-vis3 \
- s_fma-vis3 s_nearbyint-vis3 s_nearbyintf-vis3
+ s_fma-vis3 s_nearbyint-vis3 s_nearbyintf-vis3 \
+ s_truncf-vis3 s_trunc-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_trunc-vis3.S b/sysdeps/sparc/sparc64/fpu/multiarch/s_trunc-vis3.S
new file mode 100644
index 0000000..34ff42d
--- /dev/null
+++ b/sysdeps/sparc/sparc64/fpu/multiarch/s_trunc-vis3.S
@@ -0,0 +1,53 @@
+/* Truncate argument to nearest integral value not larger than
+ the argument, sparc64 vis3 version.
+
+ Copyright (C) 2013 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by David S. Miller <davem@davemloft.net>, 2013.
+
+ 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>
+
+ /* We pop constants into the FPU registers using the incoming
+ argument stack slots, since this avoid having to use any PIC
+ references. We also thus avoid having to allocate a register
+ window.
+
+ VIS instructions are used to facilitate the formation of
+ easier constants, and the propagation of the sign bit. */
+
+#define TWO_FIFTYTWO 0x43300000 /* 2**52 */
+
+#define ZERO %f10 /* 0.0 */
+#define SIGN_BIT %f12 /* -0.0 */
+
+ENTRY (__trunc_vis3)
+ sethi %hi(TWO_FIFTYTWO), %o2
+ sllx %o2, 32, %o2
+ fzero ZERO
+ fnegd ZERO, SIGN_BIT
+ movxtod %o2, %f16
+ fabsd %f0, %f14
+ fcmpd %fcc3, %f14, %f16
+ fmovduge %fcc3, ZERO, %f14
+ fand %f0, SIGN_BIT, SIGN_BIT
+ fdtox %f14, %f14
+ fxtod %f14, %f14
+ faddd %f0, ZERO, %f18
+ fmovduge %fcc3, %f18, %f14
+ retl
+ for %f14, SIGN_BIT, %f0
+END (__trunc_vis3)
diff --git a/sysdeps/sparc/sparc64/fpu/multiarch/s_trunc.S b/sysdeps/sparc/sparc64/fpu/multiarch/s_trunc.S
new file mode 100644
index 0000000..0d6f43a
--- /dev/null
+++ b/sysdeps/sparc/sparc64/fpu/multiarch/s_trunc.S
@@ -0,0 +1,12 @@
+#include <sparc-ifunc.h>
+
+SPARC_ASM_VIS3_IFUNC(trunc)
+
+weak_alias (__trunc, trunc)
+
+# undef weak_alias
+# define weak_alias(a, b)
+
+#define __trunc __trunc_generic
+
+#include "../s_trunc.S"
diff --git a/sysdeps/sparc/sparc64/fpu/multiarch/s_truncf-vis3.S b/sysdeps/sparc/sparc64/fpu/multiarch/s_truncf-vis3.S
new file mode 100644
index 0000000..e566b6b
--- /dev/null
+++ b/sysdeps/sparc/sparc64/fpu/multiarch/s_truncf-vis3.S
@@ -0,0 +1,52 @@
+/* Truncate argument to nearest integral value not larger than
+ the argument, sparc64 vis3 version.
+
+ Copyright (C) 2013 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by David S. Miller <davem@davemloft.net>, 2013.
+
+ 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>
+
+ /* We pop constants into the FPU registers using the incoming
+ argument stack slots, since this avoid having to use any PIC
+ references. We also thus avoid having to allocate a register
+ window.
+
+ VIS instructions are used to facilitate the formation of
+ easier constants, and the propagation of the sign bit. */
+
+#define TWO_TWENTYTHREE 0x4b000000 /* 2**23 */
+
+#define ZERO %f10 /* 0.0 */
+#define SIGN_BIT %f12 /* -0.0 */
+
+ENTRY (__truncf_vis3)
+ sethi %hi(TWO_TWENTYTHREE), %o2
+ fzeros ZERO
+ fnegs ZERO, SIGN_BIT
+ movwtos %o2,%f16
+ fabss %f1, %f14
+ fcmps %fcc3, %f14, %f16
+ fmovsuge %fcc3, ZERO, %f14
+ fands %f1, SIGN_BIT, SIGN_BIT
+ fstoi %f14, %f14
+ fitos %f14, %f14
+ fadds %f1, ZERO, %f18
+ fmovsuge %fcc3, %f18, %f14
+ retl
+ fors %f14, SIGN_BIT, %f0
+END (__truncf_vis3)
diff --git a/sysdeps/sparc/sparc64/fpu/multiarch/s_truncf.S b/sysdeps/sparc/sparc64/fpu/multiarch/s_truncf.S
new file mode 100644
index 0000000..2ca2517
--- /dev/null
+++ b/sysdeps/sparc/sparc64/fpu/multiarch/s_truncf.S
@@ -0,0 +1,12 @@
+#include <sparc-ifunc.h>
+
+SPARC_ASM_VIS3_IFUNC(truncf)
+
+weak_alias (__truncf, truncf)
+
+# undef weak_alias
+# define weak_alias(a, b)
+
+#define __truncf __truncf_generic
+
+#include "../s_truncf.S"
diff --git a/sysdeps/sparc/sparc64/fpu/s_trunc.S b/sysdeps/sparc/sparc64/fpu/s_trunc.S
new file mode 100644
index 0000000..13d47eb
--- /dev/null
+++ b/sysdeps/sparc/sparc64/fpu/s_trunc.S
@@ -0,0 +1,55 @@
+/* Truncate argument to nearest integral value not larger than
+ the argument, sparc64 version.
+
+ Copyright (C) 2013 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by David S. Miller <davem@davemloft.net>, 2013.
+
+ 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>
+
+ /* We pop constants into the FPU registers using the incoming
+ argument stack slots, since this avoid having to use any PIC
+ references. We also thus avoid having to allocate a register
+ window.
+
+ VIS instructions are used to facilitate the formation of
+ easier constants, and the propagation of the sign bit. */
+
+#define TWO_FIFTYTWO 0x43300000 /* 2**52 */
+
+#define ZERO %f10 /* 0.0 */
+#define SIGN_BIT %f12 /* -0.0 */
+
+ENTRY (__trunc)
+ sethi %hi(TWO_FIFTYTWO), %o2
+ sllx %o2, 32, %o2
+ fzero ZERO
+ fnegd ZERO, SIGN_BIT
+ stx %o2, [%sp + STACK_BIAS + 128]
+ fabsd %f0, %f14
+ ldd [%sp + STACK_BIAS + 128], %f16
+ fcmpd %fcc3, %f14, %f16
+ fmovduge %fcc3, ZERO, %f14
+ fand %f0, SIGN_BIT, SIGN_BIT
+ fdtox %f14, %f14
+ fxtod %f14, %f14
+ faddd %f0, ZERO, %f18
+ fmovduge %fcc3, %f18, %f14
+ retl
+ for %f14, SIGN_BIT, %f0
+END (__trunc)
+weak_alias (__trunc, trunc)
diff --git a/sysdeps/sparc/sparc64/fpu/s_truncf.S b/sysdeps/sparc/sparc64/fpu/s_truncf.S
new file mode 100644
index 0000000..e25a1f5
--- /dev/null
+++ b/sysdeps/sparc/sparc64/fpu/s_truncf.S
@@ -0,0 +1,54 @@
+/* Truncate argument to nearest integral value not larger than
+ the argument, sparc64 version.
+
+ Copyright (C) 2013 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by David S. Miller <davem@davemloft.net>, 2013.
+
+ 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>
+
+ /* We pop constants into the FPU registers using the incoming
+ argument stack slots, since this avoid having to use any PIC
+ references. We also thus avoid having to allocate a register
+ window.
+
+ VIS instructions are used to facilitate the formation of
+ easier constants, and the propagation of the sign bit. */
+
+#define TWO_TWENTYTHREE 0x4b000000 /* 2**23 */
+
+#define ZERO %f10 /* 0.0 */
+#define SIGN_BIT %f12 /* -0.0 */
+
+ENTRY (__truncf)
+ sethi %hi(TWO_TWENTYTHREE), %o2
+ fzeros ZERO
+ fnegs ZERO, SIGN_BIT
+ st %o2, [%sp + STACK_BIAS + 128]
+ fabss %f1, %f14
+ ld [%sp + STACK_BIAS + 128], %f16
+ fcmps %fcc3, %f14, %f16
+ fmovsuge %fcc3, ZERO, %f14
+ fands %f1, SIGN_BIT, SIGN_BIT
+ fstoi %f14, %f14
+ fitos %f14, %f14
+ fadds %f1, ZERO, %f18
+ fmovsuge %fcc3, %f18, %f14
+ retl
+ fors %f14, SIGN_BIT, %f0
+END (__truncf)
+weak_alias (__truncf, truncf)
--
1.7.10.4