sys: Remove ancient SCCS tags.

Remove ancient SCCS tags from the tree, automated scripting, with two
minor fixup to keep things compiling. All the common forms in the tree
were removed with a perl s

sys: Remove ancient SCCS tags.

Remove ancient SCCS tags from the tree, automated scripting, with two
minor fixup to keep things compiling. All the common forms in the tree
were removed with a perl script.

Sponsored by: Netflix

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sys: Remove $FreeBSD$: one-line .h pattern

Remove /^\s*\*+\s*\$FreeBSD\$.*$\n/

Merge ^/head r325999 through r326131.

sys: further adoption of SPDX licensing ID tags.

Mainly focus on files that use BSD 3-Clause license.

The Software Package Data Exchange (SPDX) group provides a specification
to make it easier for

sys: further adoption of SPDX licensing ID tags.

Mainly focus on files that use BSD 3-Clause license.

The Software Package Data Exchange (SPDX) group provides a specification
to make it easier for automated tools to detect and summarize well known
opensource licenses. We are gradually adopting the specification, noting
that the tags are considered only advisory and do not, in any way,
superceed or replace the license texts.

Special thanks to Wind River for providing access to "The Duke of
Highlander" tool: an older (2014) run over FreeBSD tree was useful as a
starting point.

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Merge from head

Sponsored by: Gandi.net

Finish merging from head, messed up in previous attempt

Catch up with head, primarily for the 1.14.4.0 firmware.

Merge ^/head r285924 through r286421.

Rationalize BSD license on sys/*/include/float.h

Remove the advertising clause from the Regents of the University of
California's license, per the letter dated July 22, 1999.

Update clause numberin

Rationalize BSD license on sys/*/include/float.h

Remove the advertising clause from the Regents of the University of
California's license, per the letter dated July 22, 1999.

Update clause numbering.

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IFC @ r234692

sys/amd64/include/cpufunc.h
sys/amd64/include/fpu.h
sys/amd64/amd64/fpu.c
sys/amd64/vmm/vmm.c

- Add API to allow vmm FPU state init/save/restore.

FP stuff discussed with: kib

IFC @230489 (pending review).

Add C11 macros describing subnormal numbers to float.h.

Reviewed by: bde

Add parentheses where required. Without them, `sizeof LDBL_MAX'
is a syntax error and shouldn't be, while `1 FLT_ROUNDS' isn't a
syntax error and should be. Thanks to bde for the examples.

Change the definition of FLT_EVAL_METHOD from 1 to 0. A value of 1 implies
that the compiler promotes floats to double precision in computations, but
inspection of the output of a cross-compiler ind

Change the definition of FLT_EVAL_METHOD from 1 to 0. A value of 1 implies
that the compiler promotes floats to double precision in computations, but
inspection of the output of a cross-compiler indicates that this isn't the
case on powerpc.

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Merge svn+ssh://svn.freebsd.org/base/head@218816

We don't support any floating point types larger than double on
powerpc, so DECIMAL_DIG should be 17.

integrate from head@185615

Define LDBL_EPSILON, LDBL_MAX and LDBL_MIN as long double constants.

Submitted by: Andreas Tobler <andreast-list@fgznet.ch>
Reviewed by: das@

Let PowerPC world optionally build with -msoft-float. For FPU-less PowerPC
variations (e500 currently), this provides a gcc-level FPU emulation and is an
alternative approach to the recently introduc

Let PowerPC world optionally build with -msoft-float. For FPU-less PowerPC
variations (e500 currently), this provides a gcc-level FPU emulation and is an
alternative approach to the recently introduced kernel-level emulation
(FPU_EMU).

Approved by: cognet (mentor)
MFp4: e500

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/* -> /*- for license, minor formatting changes

Fix printing of long doubles to match the size that
gcc is using. This fixes devstat consumers (like vmstat, iostat,
systat) so they don't print crazy zillion digit numbers for
disk transfers and b

Fix printing of long doubles to match the size that
gcc is using. This fixes devstat consumers (like vmstat, iostat,
systat) so they don't print crazy zillion digit numbers for
disk transfers and bandwidth.

According to gcc, long doubles are 64-bits, rather than 128 bits
like the SVR4 ABI spec wants them to be.. Note that MacOSX also treats
long doubles as 64-bits, and not 128 bits, so we are in good company.

Reviewed by: das
Approved by: grehan

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Make FLT_ROUNDS correctly reflect the dynamic rounding mode.

Hide FLT_EVAL_METHOD and DECIMAL_DIG in pre-C99 compilation
environments.

PR: 63935
Submitted by: Stefan Farfeleder <stefan@fafoe.narf.at>

Remove advertising clause from University of California Regent's
license, per letter dated July 22, 1999 and email from Peter Wemm,
Alan Cox and Robert Watson.

Approved by: core, peter, alc, rwatson

Update 128-bit long double constants to match what is expected
by libc