Initial Contribution
diff --git a/libm/amd64/Makefile.inc b/libm/amd64/Makefile.inc
new file mode 100644
index 0000000..43da775
--- /dev/null
+++ b/libm/amd64/Makefile.inc
@@ -0,0 +1,5 @@
+# $FreeBSD: src/lib/msun/amd64/Makefile.inc,v 1.4 2005/04/16 21:12:55 das Exp $
+
+ARCH_SRCS = e_sqrt.S e_sqrtf.S s_llrint.S s_llrintf.S s_lrint.S s_lrintf.S \
+ s_remquo.S s_remquof.S s_scalbn.S s_scalbnf.S s_scalbnl.S
+LDBL_PREC = 64
diff --git a/libm/amd64/_fpmath.h b/libm/amd64/_fpmath.h
new file mode 100644
index 0000000..801ec80
--- /dev/null
+++ b/libm/amd64/_fpmath.h
@@ -0,0 +1,50 @@
+/*-
+ * Copyright (c) 2002, 2003 David Schultz <das@FreeBSD.ORG>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * $FreeBSD: src/lib/libc/amd64/_fpmath.h,v 1.6 2005/03/07 04:55:21 das Exp $
+ */
+
+union IEEEl2bits {
+ long double e;
+ struct {
+ unsigned int manl :32;
+ unsigned int manh :32;
+ unsigned int exp :15;
+ unsigned int sign :1;
+ unsigned int junkl :16;
+ unsigned int junkh :32;
+ } bits;
+};
+
+#define LDBL_NBIT 0x80000000
+#define mask_nbit_l(u) ((u).bits.manh &= ~LDBL_NBIT)
+
+#define LDBL_MANH_SIZE 32
+#define LDBL_MANL_SIZE 32
+
+#define LDBL_TO_ARRAY32(u, a) do { \
+ (a)[0] = (uint32_t)(u).bits.manl; \
+ (a)[1] = (uint32_t)(u).bits.manh; \
+} while(0)
diff --git a/libm/amd64/e_sqrt.S b/libm/amd64/e_sqrt.S
new file mode 100644
index 0000000..0429cce
--- /dev/null
+++ b/libm/amd64/e_sqrt.S
@@ -0,0 +1,33 @@
+/*-
+ * Copyright (c) 2005 David Schultz <das@FreeBSD.ORG>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include <machine/asm.h>
+__FBSDID("$FreeBSD: src/lib/msun/amd64/e_sqrt.S,v 1.2 2005/02/04 14:08:32 das Exp $")
+
+ENTRY(sqrt)
+ sqrtsd %xmm0, %xmm0
+ ret
+
diff --git a/libm/amd64/e_sqrtf.S b/libm/amd64/e_sqrtf.S
new file mode 100644
index 0000000..471fa66
--- /dev/null
+++ b/libm/amd64/e_sqrtf.S
@@ -0,0 +1,32 @@
+/*-
+ * Copyright (c) 2005 David Schultz <das@FreeBSD.ORG>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include <machine/asm.h>
+__FBSDID("$FreeBSD: src/lib/msun/amd64/e_sqrtf.S,v 1.1 2005/04/16 21:12:55 das Exp $")
+
+ENTRY(sqrtf)
+ sqrtss %xmm0, %xmm0
+ ret
diff --git a/libm/amd64/fenv.c b/libm/amd64/fenv.c
new file mode 100644
index 0000000..2b43678
--- /dev/null
+++ b/libm/amd64/fenv.c
@@ -0,0 +1,148 @@
+/*-
+ * Copyright (c) 2004-2005 David Schultz <das@FreeBSD.ORG>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * $FreeBSD: src/lib/msun/amd64/fenv.c,v 1.3 2005/03/16 19:03:45 das Exp $
+ */
+
+#include <sys/cdefs.h>
+#include <sys/types.h>
+#include <machine/fpu.h>
+#include <fenv.h>
+
+const fenv_t __fe_dfl_env = {
+ { 0xffff0000 | __INITIAL_FPUCW__,
+ 0xffff0000,
+ 0xffffffff,
+ { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff }
+ },
+ __INITIAL_MXCSR__
+};
+
+int
+fesetexceptflag(const fexcept_t *flagp, int excepts)
+{
+ fenv_t env;
+
+ __fnstenv(&env.__x87);
+ env.__x87.__status &= ~excepts;
+ env.__x87.__status |= *flagp & excepts;
+ __fldenv(env.__x87);
+
+ __stmxcsr(&env.__mxcsr);
+ env.__mxcsr &= ~excepts;
+ env.__mxcsr |= *flagp & excepts;
+ __ldmxcsr(env.__mxcsr);
+
+ return (0);
+}
+
+int
+feraiseexcept(int excepts)
+{
+ fexcept_t ex = excepts;
+
+ fesetexceptflag(&ex, excepts);
+ __fwait();
+ return (0);
+}
+
+int
+fegetenv(fenv_t *envp)
+{
+ int control;
+
+ /*
+ * fnstenv masks all exceptions, so we need to save and
+ * restore the control word to avoid this side effect.
+ */
+ __fnstcw(&control);
+ __fnstenv(&envp->__x87);
+ __stmxcsr(&envp->__mxcsr);
+ __fldcw(control);
+ return (0);
+}
+
+int
+feholdexcept(fenv_t *envp)
+{
+ int mxcsr;
+
+ __stmxcsr(&mxcsr);
+ __fnstenv(&envp->__x87);
+ __fnclex();
+ envp->__mxcsr = mxcsr;
+ mxcsr &= ~FE_ALL_EXCEPT;
+ mxcsr |= FE_ALL_EXCEPT << _SSE_EMASK_SHIFT;
+ __ldmxcsr(mxcsr);
+ return (0);
+}
+
+int
+feupdateenv(const fenv_t *envp)
+{
+ int mxcsr, status;
+
+ __fnstsw(&status);
+ __stmxcsr(&mxcsr);
+ fesetenv(envp);
+ feraiseexcept((mxcsr | status) & FE_ALL_EXCEPT);
+ return (0);
+}
+
+int
+__feenableexcept(int mask)
+{
+ int mxcsr, control, omask;
+
+ mask &= FE_ALL_EXCEPT;
+ __fnstcw(&control);
+ __stmxcsr(&mxcsr);
+ omask = (control | mxcsr >> _SSE_EMASK_SHIFT) & FE_ALL_EXCEPT;
+ control &= ~mask;
+ __fldcw(control);
+ mxcsr &= ~(mask << _SSE_EMASK_SHIFT);
+ __ldmxcsr(mxcsr);
+ return (~omask);
+}
+
+int
+__fedisableexcept(int mask)
+{
+ int mxcsr, control, omask;
+
+ mask &= FE_ALL_EXCEPT;
+ __fnstcw(&control);
+ __stmxcsr(&mxcsr);
+ omask = (control | mxcsr >> _SSE_EMASK_SHIFT) & FE_ALL_EXCEPT;
+ control |= mask;
+ __fldcw(control);
+ mxcsr |= mask << _SSE_EMASK_SHIFT;
+ __ldmxcsr(mxcsr);
+ return (~omask);
+}
+
+__weak_reference(__feenableexcept, feenableexcept);
+__weak_reference(__fedisableexcept, fedisableexcept);
diff --git a/libm/amd64/fenv.h b/libm/amd64/fenv.h
new file mode 100644
index 0000000..c4f9432
--- /dev/null
+++ b/libm/amd64/fenv.h
@@ -0,0 +1,203 @@
+/*-
+ * Copyright (c) 2004-2005 David Schultz <das@FreeBSD.ORG>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * $FreeBSD: src/lib/msun/amd64/fenv.h,v 1.5 2005/03/16 22:34:14 das Exp $
+ */
+
+#ifndef _FENV_H_
+#define _FENV_H_
+
+#include <sys/cdefs.h>
+#include <sys/_types.h>
+
+typedef struct {
+ struct {
+ __uint32_t __control;
+ __uint32_t __status;
+ __uint32_t __tag;
+ char __other[16];
+ } __x87;
+ __uint32_t __mxcsr;
+} fenv_t;
+
+typedef __uint16_t fexcept_t;
+
+/* Exception flags */
+#define FE_INVALID 0x01
+#define FE_DENORMAL 0x02
+#define FE_DIVBYZERO 0x04
+#define FE_OVERFLOW 0x08
+#define FE_UNDERFLOW 0x10
+#define FE_INEXACT 0x20
+#define FE_ALL_EXCEPT (FE_DIVBYZERO | FE_DENORMAL | FE_INEXACT | \
+ FE_INVALID | FE_OVERFLOW | FE_UNDERFLOW)
+
+/* Rounding modes */
+#define FE_TONEAREST 0x0000
+#define FE_DOWNWARD 0x0400
+#define FE_UPWARD 0x0800
+#define FE_TOWARDZERO 0x0c00
+#define _ROUND_MASK (FE_TONEAREST | FE_DOWNWARD | \
+ FE_UPWARD | FE_TOWARDZERO)
+
+/*
+ * As compared to the x87 control word, the SSE unit's control word
+ * has the rounding control bits offset by 3 and the exception mask
+ * bits offset by 7.
+ */
+#define _SSE_ROUND_SHIFT 3
+#define _SSE_EMASK_SHIFT 7
+
+__BEGIN_DECLS
+
+/* Default floating-point environment */
+extern const fenv_t __fe_dfl_env;
+#define FE_DFL_ENV (&__fe_dfl_env)
+
+#define __fldcw(__cw) __asm __volatile("fldcw %0" : : "m" (__cw))
+#define __fldenv(__env) __asm __volatile("fldenv %0" : : "m" (__env))
+#define __fnclex() __asm __volatile("fnclex")
+#define __fnstenv(__env) __asm __volatile("fnstenv %0" : "=m" (*(__env)))
+#define __fnstcw(__cw) __asm __volatile("fnstcw %0" : "=m" (*(__cw)))
+#define __fnstsw(__sw) __asm __volatile("fnstsw %0" : "=am" (*(__sw)))
+#define __fwait() __asm __volatile("fwait")
+#define __ldmxcsr(__csr) __asm __volatile("ldmxcsr %0" : : "m" (__csr))
+#define __stmxcsr(__csr) __asm __volatile("stmxcsr %0" : "=m" (*(__csr)))
+
+static __inline int
+feclearexcept(int __excepts)
+{
+ fenv_t __env;
+
+ if (__excepts == FE_ALL_EXCEPT) {
+ __fnclex();
+ } else {
+ __fnstenv(&__env.__x87);
+ __env.__x87.__status &= ~__excepts;
+ __fldenv(__env.__x87);
+ }
+ __stmxcsr(&__env.__mxcsr);
+ __env.__mxcsr &= ~__excepts;
+ __ldmxcsr(__env.__mxcsr);
+ return (0);
+}
+
+static __inline int
+fegetexceptflag(fexcept_t *__flagp, int __excepts)
+{
+ int __mxcsr, __status;
+
+ __stmxcsr(&__mxcsr);
+ __fnstsw(&__status);
+ *__flagp = (__mxcsr | __status) & __excepts;
+ return (0);
+}
+
+int fesetexceptflag(const fexcept_t *__flagp, int __excepts);
+int feraiseexcept(int __excepts);
+
+static __inline int
+fetestexcept(int __excepts)
+{
+ int __mxcsr, __status;
+
+ __stmxcsr(&__mxcsr);
+ __fnstsw(&__status);
+ return ((__status | __mxcsr) & __excepts);
+}
+
+static __inline int
+fegetround(void)
+{
+ int __control;
+
+ /*
+ * We assume that the x87 and the SSE unit agree on the
+ * rounding mode. Reading the control word on the x87 turns
+ * out to be about 5 times faster than reading it on the SSE
+ * unit on an Opteron 244.
+ */
+ __fnstcw(&__control);
+ return (__control & _ROUND_MASK);
+}
+
+static __inline int
+fesetround(int __round)
+{
+ int __mxcsr, __control;
+
+ if (__round & ~_ROUND_MASK)
+ return (-1);
+
+ __fnstcw(&__control);
+ __control &= ~_ROUND_MASK;
+ __control |= __round;
+ __fldcw(__control);
+
+ __stmxcsr(&__mxcsr);
+ __mxcsr &= ~(_ROUND_MASK << _SSE_ROUND_SHIFT);
+ __mxcsr |= __round << _SSE_ROUND_SHIFT;
+ __ldmxcsr(__mxcsr);
+
+ return (0);
+}
+
+int fegetenv(fenv_t *__envp);
+int feholdexcept(fenv_t *__envp);
+
+static __inline int
+fesetenv(const fenv_t *__envp)
+{
+
+ __fldenv(__envp->__x87);
+ __ldmxcsr(__envp->__mxcsr);
+ return (0);
+}
+
+int feupdateenv(const fenv_t *__envp);
+
+#if __BSD_VISIBLE
+
+int feenableexcept(int __mask);
+int fedisableexcept(int __mask);
+
+static __inline int
+fegetexcept(void)
+{
+ int __control;
+
+ /*
+ * We assume that the masks for the x87 and the SSE unit are
+ * the same.
+ */
+ __fnstcw(&__control);
+ return (~__control & FE_ALL_EXCEPT);
+}
+
+#endif /* __BSD_VISIBLE */
+
+__END_DECLS
+
+#endif /* !_FENV_H_ */
diff --git a/libm/amd64/s_llrint.S b/libm/amd64/s_llrint.S
new file mode 100644
index 0000000..b81c73a
--- /dev/null
+++ b/libm/amd64/s_llrint.S
@@ -0,0 +1,6 @@
+#include <machine/asm.h>
+__FBSDID("$FreeBSD: src/lib/msun/amd64/s_llrint.S,v 1.1 2005/01/15 03:32:28 das Exp $")
+
+/* sizeof(long) == sizeof(long long) */
+#define fn llrint
+#include "s_lrint.S"
diff --git a/libm/amd64/s_llrintf.S b/libm/amd64/s_llrintf.S
new file mode 100644
index 0000000..d62cfcb
--- /dev/null
+++ b/libm/amd64/s_llrintf.S
@@ -0,0 +1,6 @@
+#include <machine/asm.h>
+__FBSDID("$FreeBSD: src/lib/msun/amd64/s_llrintf.S,v 1.1 2005/04/16 21:12:55 das Exp $")
+
+/* sizeof(long) == sizeof(long long) */
+#define fn llrintf
+#include "s_lrintf.S"
diff --git a/libm/amd64/s_lrint.S b/libm/amd64/s_lrint.S
new file mode 100644
index 0000000..161b731
--- /dev/null
+++ b/libm/amd64/s_lrint.S
@@ -0,0 +1,36 @@
+/*-
+ * Copyright (c) 2005 David Schultz <das@FreeBSD.ORG>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include <machine/asm.h>
+
+#ifndef fn
+__FBSDID("$FreeBSD: src/lib/msun/amd64/s_lrint.S,v 1.1 2005/01/15 03:32:28 das Exp $")
+#define fn lrint
+#endif
+
+ENTRY(fn)
+ cvtsd2si %xmm0, %rax
+ ret
diff --git a/libm/amd64/s_lrintf.S b/libm/amd64/s_lrintf.S
new file mode 100644
index 0000000..506e834
--- /dev/null
+++ b/libm/amd64/s_lrintf.S
@@ -0,0 +1,36 @@
+/*-
+ * Copyright (c) 2005 David Schultz <das@FreeBSD.ORG>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include <machine/asm.h>
+
+#ifndef fn
+__FBSDID("$FreeBSD: src/lib/msun/amd64/s_lrintf.S,v 1.1 2005/04/16 21:12:55 das Exp $")
+#define fn lrintf
+#endif
+
+ENTRY(fn)
+ cvtss2si %xmm0, %rax
+ ret
diff --git a/libm/amd64/s_remquo.S b/libm/amd64/s_remquo.S
new file mode 100644
index 0000000..19f3b53
--- /dev/null
+++ b/libm/amd64/s_remquo.S
@@ -0,0 +1,65 @@
+/*-
+ * Copyright (c) 2005 David Schultz <das@FreeBSD.ORG>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+/*
+ * Based on public-domain remainder routine by J.T. Conklin <jtc@NetBSD.org>.
+ */
+
+#include <machine/asm.h>
+__FBSDID("$FreeBSD: src/lib/msun/amd64/s_remquo.S,v 1.1 2005/03/25 04:40:44 das Exp $");
+
+ENTRY(remquo)
+ movsd %xmm0,-8(%rsp)
+ movsd %xmm1,-16(%rsp)
+ fldl -16(%rsp)
+ fldl -8(%rsp)
+1: fprem1
+ fstsw %ax
+ btw $10,%ax
+ jc 1b
+ fstp %st(1)
+/* Extract the three low-order bits of the quotient from C0,C3,C1. */
+ shrl $6,%eax
+ movl %eax,%ecx
+ andl $0x108,%eax
+ rorl $7,%eax
+ orl %eax,%ecx
+ roll $4,%eax
+ orl %ecx,%eax
+ andl $7,%eax
+/* Negate the quotient bits if x*y<0. Avoid using an unpredictable branch. */
+ movl -12(%rsp),%ecx
+ xorl -4(%rsp),%ecx
+ sarl $16,%ecx
+ sarl $16,%ecx
+ xorl %ecx,%eax
+ andl $1,%ecx
+ addl %ecx,%eax
+/* Store the quotient and return. */
+ movl %eax,(%rdi)
+ fstpl -8(%rsp)
+ movsd -8(%rsp),%xmm0
+ ret
diff --git a/libm/amd64/s_remquof.S b/libm/amd64/s_remquof.S
new file mode 100644
index 0000000..02b604f
--- /dev/null
+++ b/libm/amd64/s_remquof.S
@@ -0,0 +1,65 @@
+/*-
+ * Copyright (c) 2005 David Schultz <das@FreeBSD.ORG>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+/*
+ * Based on public-domain remainder routine by J.T. Conklin <jtc@NetBSD.org>.
+ */
+
+#include <machine/asm.h>
+__FBSDID("$FreeBSD: src/lib/msun/amd64/s_remquof.S,v 1.1 2005/03/25 04:40:44 das Exp $");
+
+ENTRY(remquof)
+ movss %xmm0,-4(%rsp)
+ movss %xmm1,-8(%rsp)
+ flds -8(%rsp)
+ flds -4(%rsp)
+1: fprem1
+ fstsw %ax
+ btw $10,%ax
+ jc 1b
+ fstp %st(1)
+/* Extract the three low-order bits of the quotient from C0,C3,C1. */
+ shrl $6,%eax
+ movl %eax,%ecx
+ andl $0x108,%eax
+ rorl $7,%eax
+ orl %eax,%ecx
+ roll $4,%eax
+ orl %ecx,%eax
+ andl $7,%eax
+/* Negate the quotient bits if x*y<0. Avoid using an unpredictable branch. */
+ movl -8(%rsp),%ecx
+ xorl -4(%rsp),%ecx
+ sarl $16,%ecx
+ sarl $16,%ecx
+ xorl %ecx,%eax
+ andl $1,%ecx
+ addl %ecx,%eax
+/* Store the quotient and return. */
+ movl %eax,(%rdi)
+ fstps -4(%rsp)
+ movss -4(%rsp),%xmm0
+ ret
diff --git a/libm/amd64/s_scalbn.S b/libm/amd64/s_scalbn.S
new file mode 100644
index 0000000..6942e18
--- /dev/null
+++ b/libm/amd64/s_scalbn.S
@@ -0,0 +1,39 @@
+/*-
+ * Copyright (c) 2005 David Schultz <das@FreeBSD.ORG>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include <machine/asm.h>
+__FBSDID("$FreeBSD: src/lib/msun/amd64/s_scalbn.S,v 1.1 2005/04/16 21:12:55 das Exp $")
+
+ENTRY(scalbn)
+ movsd %xmm0,-8(%rsp)
+ movl %edi,-12(%rsp)
+ fildl -12(%rsp)
+ fldl -8(%rsp)
+ fscale
+ fstp %st(1)
+ fstpl -8(%rsp)
+ movsd -8(%rsp),%xmm0
+ ret
diff --git a/libm/amd64/s_scalbnf.S b/libm/amd64/s_scalbnf.S
new file mode 100644
index 0000000..d7b9ab7
--- /dev/null
+++ b/libm/amd64/s_scalbnf.S
@@ -0,0 +1,42 @@
+/*-
+ * Copyright (c) 2005 David Schultz <das@FreeBSD.ORG>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include <machine/asm.h>
+__FBSDID("$FreeBSD: src/lib/msun/amd64/s_scalbnf.S,v 1.2 2005/09/12 20:54:00 das Exp $")
+
+ENTRY(scalbnf)
+ movss %xmm0,-8(%rsp)
+ movl %edi,-4(%rsp)
+ fildl -4(%rsp)
+ flds -8(%rsp)
+ fscale
+ fstp %st(1)
+ fstps -8(%rsp)
+ movss -8(%rsp),%xmm0
+ ret
+
+.globl CNAME(ldexpf)
+.set CNAME(ldexpf),CNAME(scalbnf)
diff --git a/libm/amd64/s_scalbnl.S b/libm/amd64/s_scalbnl.S
new file mode 100644
index 0000000..57629a4
--- /dev/null
+++ b/libm/amd64/s_scalbnl.S
@@ -0,0 +1,19 @@
+/*
+ * Based on code written by J.T. Conklin <jtc@netbsd.org>.
+ * Public domain.
+ */
+
+#include <machine/asm.h>
+__FBSDID("$FreeBSD: src/lib/msun/amd64/s_scalbnl.S,v 1.1 2005/04/16 21:12:55 das Exp $")
+/* RCSID("$NetBSD: s_scalbnf.S,v 1.4 1999/01/02 05:15:40 kristerw Exp $") */
+
+ENTRY(scalbnl)
+ movl %edi,-4(%rsp)
+ fildl -4(%rsp)
+ fldt 8(%rsp)
+ fscale
+ fstp %st(1)
+ ret
+
+.globl CNAME(ldexpl)
+.set CNAME(ldexpl),CNAME(scalbnl)