Merge clang, llvm, lld, lldb, compiler-rt and libc++ 5.0.0 release.

MFC r309126 (by emaste):

  Correct lld llvm-tblgen dependency file name

MFC r309169:

  Get rid of separate Subversion mergeinfo properties for llvm-dwarfdump
  and llvm-lto.  The mergeinfo confuses Subversion enormously, and these
  directories will just use the mergeinfo for llvm itself.

MFC r312765:

  Pull in r276136 from upstream llvm trunk (by Wei Mi):

    Use ValueOffsetPair to enhance value reuse during SCEV expansion.

    In D12090, the ExprValueMap was added to reuse existing value during
    SCEV expansion. However, const folding and sext/zext distribution can
    make the reuse still difficult.

    A simplified case is: suppose we know S1 expands to V1 in
    ExprValueMap, and
      S1 = S2 + C_a
      S3 = S2 + C_b
    where C_a and C_b are different SCEVConstants. Then we'd like to
    expand S3 as V1 - C_a + C_b instead of expanding S2 literally. It is
    helpful when S2 is a complex SCEV expr and S2 has no entry in
    ExprValueMap, which is usually caused by the fact that S3 is
    generated from S1 after const folding.

    In order to do that, we represent ExprValueMap as a mapping from SCEV
    to ValueOffsetPair. We will save both S1->{V1, 0} and S2->{V1, C_a}
    into the ExprValueMap when we create SCEV for V1. When S3 is
    expanded, it will first expand S2 to V1 - C_a because of S2->{V1,
    C_a} in the map, then expand S3 to V1 - C_a + C_b.

    Differential Revision: https://reviews.llvm.org/D21313

  This should fix assertion failures when building OpenCV >= 3.1.

  PR:		215649

MFC r312831:

  Revert r312765 for now, since it causes assertions when building
  lang/spidermonkey24.

  Reported by:	antoine
  PR:		215649

MFC r316511 (by jhb):

  Add an implementation of __ffssi2() derived from __ffsdi2().

  Newer versions of GCC include an __ffssi2() symbol in libgcc and the
  compiler can emit calls to it in generated code.  This is true for at
  least GCC 6.2 when compiling world for mips and mips64.

  Reviewed by:	jmallett, dim
  Sponsored by:	DARPA / AFRL
  Differential Revision:	https://reviews.freebsd.org/D10086

MFC r318601 (by adrian):

  [libcompiler-rt] add bswapdi2/bswapsi2

  This is required for mips gcc 6.3 userland to build/run.

  Reviewed by:	emaste, dim
  Approved by:	emaste
  Differential Revision:	https://reviews.freebsd.org/D10838

MFC r318884 (by emaste):

  lldb: map TRAP_CAP to a trace trap

  In the absense of a more specific handler for TRAP_CAP (generated by
  ENOTCAPABLE or ECAPMODE while in capability mode) treat it as a trace
  trap.

  Example usage (testing the bug in PR219173):

  % proccontrol -m trapcap lldb usr.bin/hexdump/obj/hexdump -- -Cv -s 1 /bin/ls
  ...
  (lldb) run
  Process 12980 launching
  Process 12980 launched: '.../usr.bin/hexdump/obj/hexdump' (x86_64)
  Process 12980 stopped
  * thread #1, stop reason = trace
      frame #0: 0x0000004b80c65f1a libc.so.7`__sys_lseek + 10
  ...

  In the future we should have LLDB control the trapcap procctl itself
  (as it does with ASLR), as well as report a specific stop reason.
  This change eliminates an assertion failure from LLDB for now.

MFC r319796:

  Remove a few unneeded files from libllvm, libclang and liblldb.

MFC r319885 (by emaste):

  lld: ELF: Fix ICF crash on absolute symbol relocations.

  If two sections contained relocations to absolute symbols with the same
  value we would crash when trying to access their sections. Add a check that
  both symbols point to sections before accessing their sections, and treat
  absolute symbols as equal if their values are equal.

  Obtained from:	LLD commit r292578

MFC r319918:

  Revert r319796 for now, it can cause undefined references when linking
  in some circumstances.

  Reported by:	Shawn Webb <shawn.webb@hardenedbsd.org>

MFC r319957 (by emaste):

  lld: Add armelf emulation mode

  Obtained from:	LLD r305375

MFC r321369:

  Upgrade our copies of clang, llvm, lld, lldb, compiler-rt and libc++ to
  5.0.0 (trunk r308421).  Upstream has branched for the 5.0.0 release,
  which should be in about a month.  Please report bugs and regressions,
  so we can get them into the release.

  Please note that from 3.5.0 onwards, clang, llvm and lldb require C++11
  support to build; see UPDATING for more information.

MFC r321420:

  Add a few more object files to liblldb, which should solve errors when
  linking the lldb executable in some cases.  In particular, when the
  -ffunction-sections -fdata-sections options are turned off, or
  ineffective.

  Reported by:	Shawn Webb, Mark Millard

MFC r321433:

  Cleanup stale Options.inc files from the previous libllvm build for
  clang 4.0.0.  Otherwise, these can get included before the two newly
  generated ones (which are different) for clang 5.0.0.

  Reported by:	Mark Millard

MFC r321439 (by bdrewery):

  Move llvm Options.inc hack from r321433 for NO_CLEAN to lib/clang/libllvm.

  The files are only ever generated to .OBJDIR, not to WORLDTMP (as a
  sysroot) and are only ever included from a compilation.  So using
  a beforebuild target here removes the file before the compilation
  tries to include it.

MFC r321664:

  Pull in r308891 from upstream llvm trunk (by Benjamin Kramer):

    [CodeGenPrepare] Cut off FindAllMemoryUses if there are too many uses.

    This avoids excessive compile time. The case I'm looking at is
    Function.cpp from an old version of LLVM that still had the giant
    memcmp string matcher in it. Before r308322 this compiled in about 2
    minutes, after it, clang takes infinite* time to compile it. With
    this patch we're at 5 min, which is still bad but this is a
    pathological case.

    The cut off at 20 uses was chosen by looking at other cut-offs in LLVM
    for user scanning. It's probably too high, but does the job and is
    very unlikely to regress anything.

    Fixes PR33900.

    * I'm impatient and aborted after 15 minutes, on the bug report it was
      killed after 2h.

  Pull in r308986 from upstream llvm trunk (by Simon Pilgrim):

    [X86][CGP] Reduce memcmp() expansion to 2 load pairs (PR33914)

    D35067/rL308322 attempted to support up to 4 load pairs for memcmp
    inlining which resulted in regressions for some optimized libc memcmp
    implementations (PR33914).

    Until we can match these more optimal cases, this patch reduces the
    memcmp expansion to a maximum of 2 load pairs (which matches what we
    do for -Os).

    This patch should be considered for the 5.0.0 release branch as well

    Differential Revision: https://reviews.llvm.org/D35830

  These fix a hang (or extremely long compile time) when building older
  LLVM ports.

  Reported by:    antoine
  PR:             219139

MFC r321719:

  Pull in r309503 from upstream clang trunk (by Richard Smith):

    PR33902: Invalidate line number cache when adding more text to
    existing buffer.

    This led to crashes as the line number cache would report a bogus
    line number for a line of code, and we'd try to find a nonexistent
    column within the line when printing diagnostics.

  This fixes an assertion when building the graphics/champlain port.

  Reported by:	antoine, kwm
  PR:		219139

MFC r321723:

  Upgrade our copies of clang, llvm, lld and lldb to r309439 from the
  upstream release_50 branch.  This is just after upstream's 5.0.0-rc1.

MFC r322320:

  Upgrade our copies of clang, llvm and libc++ to r310316 from the
  upstream release_50 branch.

MFC r322326 (by emaste):

  lldb: Make i386-*-freebsd expression work on JIT path

  * Enable i386 ABI creation for freebsd
  * Added an extra argument in ABISysV_i386::PrepareTrivialCall for mmap
    syscall
  * Unlike linux, the last argument of mmap is actually 64-bit(off_t).
    This requires us to push an additional word for the higher order bits.
  * Prior to this change, ktrace dump will show mmap failures due to
    invalid argument coming from the 6th mmap argument.

  Submitted by:	Karnajit Wangkhem
  Differential Revision:	https://reviews.llvm.org/D34776

MFC r322360 (by emaste):

  lldb: Report inferior signals as signals, not exceptions, on FreeBSD

  This is the FreeBSD equivalent of LLVM r238549.

  This serves 2 purposes:

  * LLDB should handle inferior process signals SIGSEGV/SIGILL/SIGBUS/
    SIGFPE the way it is suppose to be handled. Prior to this fix these
    signals will neither create a coredump, nor exit from the debugger
    or work for signal handling scenario.
  * eInvalidCrashReason need not report "unknown crash reason" if we have
    a valid si_signo

  llvm.org/pr23699

  Patch by Karnajit Wangkhem

  Differential Revision:  https://reviews.llvm.org/D35223

  Submitted by:	Karnajit Wangkhem
  Obtained from:	LLVM r310591

MFC r322474 (by emaste):

  lld: Add `-z muldefs` option.

  Obtained from:	LLVM r310757

MFC r322740:

  Upgrade our copies of clang, llvm, lld and libc++ to r311219 from the
  upstream release_50 branch.

MFC r322855:

  Upgrade our copies of clang, llvm, lldb and compiler-rt to r311606 from
  the upstream release_50 branch.

  As of this version, lib/msun's trig test should also work correctly
  again (see bug 220989 for more information).

  PR:		220989

MFC r323112:

  Upgrade our copies of clang, llvm, lldb and compiler-rt to r312293 from
  the upstream release_50 branch.  This corresponds to 5.0.0 rc4.

  As of this version, the cad/stepcode port should now compile in a more
  reasonable time on i386 (see bug 221836 for more information).

  PR:		221836

MFC r323245:

  Upgrade our copies of clang, llvm, lld, lldb, compiler-rt and libc++ to
  5.0.0 release (upstream r312559).

  Release notes for llvm, clang and lld will be available here soon:
  <http://releases.llvm.org/5.0.0/docs/ReleaseNotes.html>
  <http://releases.llvm.org/5.0.0/tools/clang/docs/ReleaseNotes.html>
  <http://releases.llvm.org/5.0.0/tools/lld/docs/ReleaseNotes.html>

  Relnotes:	yes

(cherry picked from commit 12cd91cf4c6b96a24427c0de5374916f2808d263)

1 files changed, 251 insertions, 114 deletions

diff --git a/contrib/llvm/tools/clang/lib/Headers/emmintrin.h b/contrib/llvm/tools/clang/lib/Headers/emmintrin.h
index 1512f9f..709815c 100644
--- a/contrib/llvm/tools/clang/lib/Headers/emmintrin.h
+++ b/contrib/llvm/tools/clang/lib/Headers/emmintrin.h
@@ -302,7 +302,7 @@ _mm_min_pd(__m128d __a, __m128d __b)
   return __builtin_ia32_minpd((__v2df)__a, (__v2df)__b);
 }
 
-/// \brief Compares lower 64-bits double-precision values of both operands, and
+/// \brief Compares lower 64-bit double-precision values of both operands, and
 ///    returns the greater of the pair of values in the lower 64-bits of the
 ///    result. The upper 64 bits of the result are copied from the upper double-
 ///    precision value of the first operand.
@@ -462,8 +462,9 @@ _mm_cmplt_pd(__m128d __a, __m128d __b)
 
 /// \brief Compares each of the corresponding double-precision values of the
 ///    128-bit vectors of [2 x double] to determine if the values in the first
-///    operand are less than or equal to those in the second operand. Each
-///    comparison yields 0h for false, FFFFFFFFFFFFFFFFh for true.
+///    operand are less than or equal to those in the second operand.
+///
+///    Each comparison yields 0h for false, FFFFFFFFFFFFFFFFh for true.
 ///
 /// \headerfile <x86intrin.h>
 ///
@@ -482,8 +483,9 @@ _mm_cmple_pd(__m128d __a, __m128d __b)
 
 /// \brief Compares each of the corresponding double-precision values of the
 ///    128-bit vectors of [2 x double] to determine if the values in the first
-///    operand are greater than those in the second operand. Each comparison
-///    yields 0h for false, FFFFFFFFFFFFFFFFh for true.
+///    operand are greater than those in the second operand.
+///
+///    Each comparison yields 0h for false, FFFFFFFFFFFFFFFFh for true.
 ///
 /// \headerfile <x86intrin.h>
 ///
@@ -502,8 +504,9 @@ _mm_cmpgt_pd(__m128d __a, __m128d __b)
 
 /// \brief Compares each of the corresponding double-precision values of the
 ///    128-bit vectors of [2 x double] to determine if the values in the first
-///    operand are greater than or equal to those in the second operand. Each
-///    comparison yields 0h for false, FFFFFFFFFFFFFFFFh for true.
+///    operand are greater than or equal to those in the second operand.
+///
+///    Each comparison yields 0h for false, FFFFFFFFFFFFFFFFh for true.
 ///
 /// \headerfile <x86intrin.h>
 ///
@@ -522,9 +525,10 @@ _mm_cmpge_pd(__m128d __a, __m128d __b)
 
 /// \brief Compares each of the corresponding double-precision values of the
 ///    128-bit vectors of [2 x double] to determine if the values in the first
-///    operand are ordered with respect to those in the second operand. A pair
-///    of double-precision values are "ordered" with respect to each other if
-///    neither value is a NaN. Each comparison yields 0h for false,
+///    operand are ordered with respect to those in the second operand.
+///
+///    A pair of double-precision values are "ordered" with respect to each
+///    other if neither value is a NaN. Each comparison yields 0h for false,
 ///    FFFFFFFFFFFFFFFFh for true.
 ///
 /// \headerfile <x86intrin.h>
@@ -544,9 +548,10 @@ _mm_cmpord_pd(__m128d __a, __m128d __b)
 
 /// \brief Compares each of the corresponding double-precision values of the
 ///    128-bit vectors of [2 x double] to determine if the values in the first
-///    operand are unordered with respect to those in the second operand. A pair
-///    of double-precision values are "unordered" with respect to each other if
-///    one or both values are NaN. Each comparison yields 0h for false,
+///    operand are unordered with respect to those in the second operand.
+///
+///    A pair of double-precision values are "unordered" with respect to each
+///    other if one or both values are NaN. Each comparison yields 0h for false,
 ///    FFFFFFFFFFFFFFFFh for true.
 ///
 /// \headerfile <x86intrin.h>
@@ -567,8 +572,9 @@ _mm_cmpunord_pd(__m128d __a, __m128d __b)
 
 /// \brief Compares each of the corresponding double-precision values of the
 ///    128-bit vectors of [2 x double] to determine if the values in the first
-///    operand are unequal to those in the second operand. Each comparison
-///    yields 0h for false, FFFFFFFFFFFFFFFFh for true.
+///    operand are unequal to those in the second operand.
+///
+///    Each comparison yields 0h for false, FFFFFFFFFFFFFFFFh for true.
 ///
 /// \headerfile <x86intrin.h>
 ///
@@ -587,8 +593,9 @@ _mm_cmpneq_pd(__m128d __a, __m128d __b)
 
 /// \brief Compares each of the corresponding double-precision values of the
 ///    128-bit vectors of [2 x double] to determine if the values in the first
-///    operand are not less than those in the second operand. Each comparison
-///    yields 0h for false, FFFFFFFFFFFFFFFFh for true.
+///    operand are not less than those in the second operand.
+///
+///    Each comparison yields 0h for false, FFFFFFFFFFFFFFFFh for true.
 ///
 /// \headerfile <x86intrin.h>
 ///
@@ -607,8 +614,9 @@ _mm_cmpnlt_pd(__m128d __a, __m128d __b)
 
 /// \brief Compares each of the corresponding double-precision values of the
 ///    128-bit vectors of [2 x double] to determine if the values in the first
-///    operand are not less than or equal to those in the second operand. Each
-///    comparison yields 0h for false, FFFFFFFFFFFFFFFFh for true.
+///    operand are not less than or equal to those in the second operand.
+///
+///    Each comparison yields 0h for false, FFFFFFFFFFFFFFFFh for true.
 ///
 /// \headerfile <x86intrin.h>
 ///
@@ -627,8 +635,9 @@ _mm_cmpnle_pd(__m128d __a, __m128d __b)
 
 /// \brief Compares each of the corresponding double-precision values of the
 ///    128-bit vectors of [2 x double] to determine if the values in the first
-///    operand are not greater than those in the second operand. Each
-///    comparison yields 0h for false, FFFFFFFFFFFFFFFFh for true.
+///    operand are not greater than those in the second operand.
+///
+///    Each comparison yields 0h for false, FFFFFFFFFFFFFFFFh for true.
 ///
 /// \headerfile <x86intrin.h>
 ///
@@ -648,6 +657,7 @@ _mm_cmpngt_pd(__m128d __a, __m128d __b)
 /// \brief Compares each of the corresponding double-precision values of the
 ///    128-bit vectors of [2 x double] to determine if the values in the first
 ///    operand are not greater than or equal to those in the second operand.
+///
 ///    Each comparison yields 0h for false, FFFFFFFFFFFFFFFFh for true.
 ///
 /// \headerfile <x86intrin.h>
@@ -666,8 +676,9 @@ _mm_cmpnge_pd(__m128d __a, __m128d __b)
 }
 
 /// \brief Compares the lower double-precision floating-point values in each of
-///    the two 128-bit floating-point vectors of [2 x double] for equality. The
-///    comparison yields 0h for false, FFFFFFFFFFFFFFFFh for true.
+///    the two 128-bit floating-point vectors of [2 x double] for equality.
+///
+///    The comparison yields 0h for false, FFFFFFFFFFFFFFFFh for true.
 ///
 /// \headerfile <x86intrin.h>
 ///
@@ -690,8 +701,9 @@ _mm_cmpeq_sd(__m128d __a, __m128d __b)
 /// \brief Compares the lower double-precision floating-point values in each of
 ///    the two 128-bit floating-point vectors of [2 x double] to determine if
 ///    the value in the first parameter is less than the corresponding value in
-///    the second parameter. The comparison yields 0h for false,
-///    FFFFFFFFFFFFFFFFh for true.
+///    the second parameter.
+///
+///    The comparison yields 0h for false, FFFFFFFFFFFFFFFFh for true.
 ///
 /// \headerfile <x86intrin.h>
 ///
@@ -714,8 +726,9 @@ _mm_cmplt_sd(__m128d __a, __m128d __b)
 /// \brief Compares the lower double-precision floating-point values in each of
 ///    the two 128-bit floating-point vectors of [2 x double] to determine if
 ///    the value in the first parameter is less than or equal to the
-///    corresponding value in the second parameter. The comparison yields 0h for
-///    false, FFFFFFFFFFFFFFFFh for true.
+///    corresponding value in the second parameter.
+///
+///    The comparison yields 0h for false, FFFFFFFFFFFFFFFFh for true.
 ///
 /// \headerfile <x86intrin.h>
 ///
@@ -738,8 +751,9 @@ _mm_cmple_sd(__m128d __a, __m128d __b)
 /// \brief Compares the lower double-precision floating-point values in each of
 ///    the two 128-bit floating-point vectors of [2 x double] to determine if
 ///    the value in the first parameter is greater than the corresponding value
-///    in the second parameter. The comparison yields 0h for false,
-///    FFFFFFFFFFFFFFFFh for true.
+///    in the second parameter.
+///
+///    The comparison yields 0h for false, FFFFFFFFFFFFFFFFh for true.
 ///
 /// \headerfile <x86intrin.h>
 ///
@@ -763,8 +777,9 @@ _mm_cmpgt_sd(__m128d __a, __m128d __b)
 /// \brief Compares the lower double-precision floating-point values in each of
 ///    the two 128-bit floating-point vectors of [2 x double] to determine if
 ///    the value in the first parameter is greater than or equal to the
-///    corresponding value in the second parameter. The comparison yields 0h for
-///    false, FFFFFFFFFFFFFFFFh for true.
+///    corresponding value in the second parameter.
+///
+///    The comparison yields 0h for false, FFFFFFFFFFFFFFFFh for true.
 ///
 /// \headerfile <x86intrin.h>
 ///
@@ -788,9 +803,11 @@ _mm_cmpge_sd(__m128d __a, __m128d __b)
 /// \brief Compares the lower double-precision floating-point values in each of
 ///    the two 128-bit floating-point vectors of [2 x double] to determine if
 ///    the value in the first parameter is "ordered" with respect to the
-///    corresponding value in the second parameter. The comparison yields 0h for
-///    false, FFFFFFFFFFFFFFFFh for true. A pair of double-precision values are
-///    "ordered" with respect to each other if neither value is a NaN.
+///    corresponding value in the second parameter.
+///
+///    The comparison yields 0h for false, FFFFFFFFFFFFFFFFh for true. A pair of
+///    double-precision values are "ordered" with respect to each other if
+///    neither value is a NaN.
 ///
 /// \headerfile <x86intrin.h>
 ///
@@ -813,9 +830,11 @@ _mm_cmpord_sd(__m128d __a, __m128d __b)
 /// \brief Compares the lower double-precision floating-point values in each of
 ///    the two 128-bit floating-point vectors of [2 x double] to determine if
 ///    the value in the first parameter is "unordered" with respect to the
-///    corresponding value in the second parameter. The comparison yields 0h
-///    for false, FFFFFFFFFFFFFFFFh for true. A pair of double-precision values
-///    are "unordered" with respect to each other if one or both values are NaN.
+///    corresponding value in the second parameter.
+///
+///    The comparison yields 0h for false, FFFFFFFFFFFFFFFFh for true. A pair of
+///    double-precision values are "unordered" with respect to each other if one
+///    or both values are NaN.
 ///
 /// \headerfile <x86intrin.h>
 ///
@@ -839,8 +858,9 @@ _mm_cmpunord_sd(__m128d __a, __m128d __b)
 /// \brief Compares the lower double-precision floating-point values in each of
 ///    the two 128-bit floating-point vectors of [2 x double] to determine if
 ///    the value in the first parameter is unequal to the corresponding value in
-///    the second parameter. The comparison yields 0h for false,
-///    FFFFFFFFFFFFFFFFh for true.
+///    the second parameter.
+///
+///    The comparison yields 0h for false, FFFFFFFFFFFFFFFFh for true.
 ///
 /// \headerfile <x86intrin.h>
 ///
@@ -863,8 +883,9 @@ _mm_cmpneq_sd(__m128d __a, __m128d __b)
 /// \brief Compares the lower double-precision floating-point values in each of
 ///    the two 128-bit floating-point vectors of [2 x double] to determine if
 ///    the value in the first parameter is not less than the corresponding
-///    value in the second parameter. The comparison yields 0h for false,
-///    FFFFFFFFFFFFFFFFh for true.
+///    value in the second parameter.
+///
+///    The comparison yields 0h for false, FFFFFFFFFFFFFFFFh for true.
 ///
 /// \headerfile <x86intrin.h>
 ///
@@ -887,8 +908,9 @@ _mm_cmpnlt_sd(__m128d __a, __m128d __b)
 /// \brief Compares the lower double-precision floating-point values in each of
 ///    the two 128-bit floating-point vectors of [2 x double] to determine if
 ///    the value in the first parameter is not less than or equal to the
-///    corresponding value in the second parameter. The comparison yields 0h
-///    for false, FFFFFFFFFFFFFFFFh for true.
+///    corresponding value in the second parameter.
+///
+///    The comparison yields 0h for false, FFFFFFFFFFFFFFFFh for true.
 ///
 /// \headerfile <x86intrin.h>
 ///
@@ -911,8 +933,9 @@ _mm_cmpnle_sd(__m128d __a, __m128d __b)
 /// \brief Compares the lower double-precision floating-point values in each of
 ///    the two 128-bit floating-point vectors of [2 x double] to determine if
 ///    the value in the first parameter is not greater than the corresponding
-///    value in the second parameter. The comparison yields 0h for false,
-///    FFFFFFFFFFFFFFFFh for true.
+///    value in the second parameter.
+///
+///    The comparison yields 0h for false, FFFFFFFFFFFFFFFFh for true.
 ///
 /// \headerfile <x86intrin.h>
 ///
@@ -936,8 +959,9 @@ _mm_cmpngt_sd(__m128d __a, __m128d __b)
 /// \brief Compares the lower double-precision floating-point values in each of
 ///    the two 128-bit floating-point vectors of [2 x double] to determine if
 ///    the value in the first parameter is not greater than or equal to the
-///    corresponding value in the second parameter. The comparison yields 0h
-///    for false, FFFFFFFFFFFFFFFFh for true.
+///    corresponding value in the second parameter.
+///
+///    The comparison yields 0h for false, FFFFFFFFFFFFFFFFh for true.
 ///
 /// \headerfile <x86intrin.h>
 ///
@@ -982,7 +1006,9 @@ _mm_comieq_sd(__m128d __a, __m128d __b)
 /// \brief Compares the lower double-precision floating-point values in each of
 ///    the two 128-bit floating-point vectors of [2 x double] to determine if
 ///    the value in the first parameter is less than the corresponding value in
-///    the second parameter. The comparison yields 0 for false, 1 for true.
+///    the second parameter.
+///
+///    The comparison yields 0 for false, 1 for true.
 ///
 /// \headerfile <x86intrin.h>
 ///
@@ -1004,8 +1030,9 @@ _mm_comilt_sd(__m128d __a, __m128d __b)
 /// \brief Compares the lower double-precision floating-point values in each of
 ///    the two 128-bit floating-point vectors of [2 x double] to determine if
 ///    the value in the first parameter is less than or equal to the
-///    corresponding value in the second parameter. The comparison yields 0 for
-///    false, 1 for true.
+///    corresponding value in the second parameter.
+///
+///    The comparison yields 0 for false, 1 for true.
 ///
 /// \headerfile <x86intrin.h>
 ///
@@ -1027,7 +1054,9 @@ _mm_comile_sd(__m128d __a, __m128d __b)
 /// \brief Compares the lower double-precision floating-point values in each of
 ///    the two 128-bit floating-point vectors of [2 x double] to determine if
 ///    the value in the first parameter is greater than the corresponding value
-///    in the second parameter. The comparison yields 0 for false, 1 for true.
+///    in the second parameter.
+///
+///    The comparison yields 0 for false, 1 for true.
 ///
 /// \headerfile <x86intrin.h>
 ///
@@ -1049,8 +1078,9 @@ _mm_comigt_sd(__m128d __a, __m128d __b)
 /// \brief Compares the lower double-precision floating-point values in each of
 ///    the two 128-bit floating-point vectors of [2 x double] to determine if
 ///    the value in the first parameter is greater than or equal to the
-///    corresponding value in the second parameter. The comparison yields 0 for
-///    false, 1 for true.
+///    corresponding value in the second parameter.
+///
+///    The comparison yields 0 for false, 1 for true.
 ///
 /// \headerfile <x86intrin.h>
 ///
@@ -1072,7 +1102,9 @@ _mm_comige_sd(__m128d __a, __m128d __b)
 /// \brief Compares the lower double-precision floating-point values in each of
 ///    the two 128-bit floating-point vectors of [2 x double] to determine if
 ///    the value in the first parameter is unequal to the corresponding value in
-///    the second parameter. The comparison yields 0 for false, 1 for true.
+///    the second parameter.
+///
+///    The comparison yields 0 for false, 1 for true.
 ///
 /// \headerfile <x86intrin.h>
 ///
@@ -1093,8 +1125,9 @@ _mm_comineq_sd(__m128d __a, __m128d __b)
 
 /// \brief Compares the lower double-precision floating-point values in each of
 ///    the two 128-bit floating-point vectors of [2 x double] for equality. The
-///    comparison yields 0 for false, 1 for true. If either of the two lower
-///    double-precision values is NaN, 1 is returned.
+///    comparison yields 0 for false, 1 for true.
+///
+///    If either of the two lower double-precision values is NaN, 1 is returned.
 ///
 /// \headerfile <x86intrin.h>
 ///
@@ -1117,8 +1150,10 @@ _mm_ucomieq_sd(__m128d __a, __m128d __b)
 /// \brief Compares the lower double-precision floating-point values in each of
 ///    the two 128-bit floating-point vectors of [2 x double] to determine if
 ///    the value in the first parameter is less than the corresponding value in
-///    the second parameter. The comparison yields 0 for false, 1 for true. If
-///    either of the two lower double-precision values is NaN, 1 is returned.
+///    the second parameter.
+///
+///    The comparison yields 0 for false, 1 for true. If either of the two lower
+///    double-precision values is NaN, 1 is returned.
 ///
 /// \headerfile <x86intrin.h>
 ///
@@ -1141,9 +1176,10 @@ _mm_ucomilt_sd(__m128d __a, __m128d __b)
 /// \brief Compares the lower double-precision floating-point values in each of
 ///    the two 128-bit floating-point vectors of [2 x double] to determine if
 ///    the value in the first parameter is less than or equal to the
-///    corresponding value in the second parameter. The comparison yields 0 for
-///    false, 1 for true. If either of the two lower double-precision values is
-///    NaN, 1 is returned.
+///    corresponding value in the second parameter.
+///
+///    The comparison yields 0 for false, 1 for true. If either of the two lower
+///    double-precision values is NaN, 1 is returned.
 ///
 /// \headerfile <x86intrin.h>
 ///
@@ -1166,8 +1202,10 @@ _mm_ucomile_sd(__m128d __a, __m128d __b)
 /// \brief Compares the lower double-precision floating-point values in each of
 ///    the two 128-bit floating-point vectors of [2 x double] to determine if
 ///    the value in the first parameter is greater than the corresponding value
-///    in the second parameter. The comparison yields 0 for false, 1 for true.
-///    If either of the two lower double-precision values is NaN, 0 is returned.
+///    in the second parameter.
+///
+///    The comparison yields 0 for false, 1 for true. If either of the two lower
+///    double-precision values is NaN, 0 is returned.
 ///
 /// \headerfile <x86intrin.h>
 ///
@@ -1190,9 +1228,10 @@ _mm_ucomigt_sd(__m128d __a, __m128d __b)
 /// \brief Compares the lower double-precision floating-point values in each of
 ///    the two 128-bit floating-point vectors of [2 x double] to determine if
 ///    the value in the first parameter is greater than or equal to the
-///    corresponding value in the second parameter. The comparison yields 0 for
-///    false, 1 for true.  If either of the two lower double-precision values
-///    is NaN, 0 is returned.
+///    corresponding value in the second parameter.
+///
+///    The comparison yields 0 for false, 1 for true.  If either of the two
+///    lower double-precision values is NaN, 0 is returned.
 ///
 /// \headerfile <x86intrin.h>
 ///
@@ -1215,8 +1254,10 @@ _mm_ucomige_sd(__m128d __a, __m128d __b)
 /// \brief Compares the lower double-precision floating-point values in each of
 ///    the two 128-bit floating-point vectors of [2 x double] to determine if
 ///    the value in the first parameter is unequal to the corresponding value in
-///    the second parameter. The comparison yields 0 for false, 1 for true. If
-///    either of the two lower double-precision values is NaN, 0 is returned.
+///    the second parameter.
+///
+///    The comparison yields 0 for false, 1 for true. If either of the two lower
+///    double-precision values is NaN, 0 is returned.
 ///
 /// \headerfile <x86intrin.h>
 ///
@@ -1278,8 +1319,9 @@ _mm_cvtps_pd(__m128 __a)
 
 /// \brief Converts the lower two integer elements of a 128-bit vector of
 ///    [4 x i32] into two double-precision floating-point values, returned in a
-///    128-bit vector of [2 x double]. The upper two elements of the input
-///    vector are unused.
+///    128-bit vector of [2 x double].
+///
+///    The upper two elements of the input vector are unused.
 ///
 /// \headerfile <x86intrin.h>
 ///
@@ -1287,7 +1329,9 @@ _mm_cvtps_pd(__m128 __a)
 ///
 /// \param __a
 ///    A 128-bit integer vector of [4 x i32]. The lower two integer elements are
-///    converted to double-precision values. The upper two elements are unused.
+///    converted to double-precision values.
+///
+///    The upper two elements are unused.
 /// \returns A 128-bit vector of [2 x double] containing the converted values.
 static __inline__ __m128d __DEFAULT_FN_ATTRS
 _mm_cvtepi32_pd(__m128i __a)
@@ -1409,10 +1453,11 @@ _mm_cvtss_sd(__m128d __a, __m128 __b)
 
 /// \brief Converts the two double-precision floating-point elements of a
 ///    128-bit vector of [2 x double] into two signed 32-bit integer values,
-///    returned in the lower 64 bits of a 128-bit vector of [4 x i32]. If the
-///    result of either conversion is inexact, the result is truncated (rounded
-///    towards zero) regardless of the current MXCSR setting. The upper 64 bits
-///    of the result vector are set to zero.
+///    returned in the lower 64 bits of a 128-bit vector of [4 x i32].
+///
+///    If the result of either conversion is inexact, the result is truncated
+///    (rounded towards zero) regardless of the current MXCSR setting. The upper
+///    64 bits of the result vector are set to zero.
 ///
 /// \headerfile <x86intrin.h>
 ///
@@ -1466,9 +1511,10 @@ _mm_cvtpd_pi32(__m128d __a)
 
 /// \brief Converts the two double-precision floating-point elements of a
 ///    128-bit vector of [2 x double] into two signed 32-bit integer values,
-///    returned in a 64-bit vector of [2 x i32]. If the result of either
-///    conversion is inexact, the result is truncated (rounded towards zero)
-///    regardless of the current MXCSR setting.
+///    returned in a 64-bit vector of [2 x i32].
+///
+///    If the result of either conversion is inexact, the result is truncated
+///    (rounded towards zero) regardless of the current MXCSR setting.
 ///
 /// \headerfile <x86intrin.h>
 ///
@@ -1599,6 +1645,17 @@ _mm_loadu_pd(double const *__dp)
   return ((struct __loadu_pd*)__dp)->__v;
 }
 
+/// \brief Loads a 64-bit integer value to the low element of a 128-bit integer
+///    vector and clears the upper element.
+///
+/// \headerfile <x86intrin.h>
+///
+/// This intrinsic corresponds to the <c> VMOVQ / MOVQ </c> instruction.
+///
+/// \param __a
+///    A pointer to a 64-bit memory location. The address of the memory
+///    location does not have to be aligned.
+/// \returns A 128-bit vector of [2 x i64] containing the loaded value.
 static __inline__ __m128i __DEFAULT_FN_ATTRS
 _mm_loadu_si64(void const *__a)
 {
@@ -1609,6 +1666,17 @@ _mm_loadu_si64(void const *__a)
   return (__m128i){__u, 0L};
 }
 
+/// \brief Loads a 64-bit double-precision value to the low element of a
+///    128-bit integer vector and clears the upper element.
+///
+/// \headerfile <x86intrin.h>
+///
+/// This intrinsic corresponds to the <c> VMOVSD / MOVSD </c> instruction.
+///
+/// \param __dp
+///    A pointer to a memory location containing a double-precision value.
+///    The address of the memory location does not have to be aligned.
+/// \returns A 128-bit vector of [2 x double] containing the loaded value.
 static __inline__ __m128d __DEFAULT_FN_ATTRS
 _mm_load_sd(double const *__dp)
 {
@@ -1728,6 +1796,24 @@ _mm_set1_pd(double __w)
   return (__m128d){ __w, __w };
 }
 
+/// \brief Constructs a 128-bit floating-point vector of [2 x double], with each
+///    of the two double-precision floating-point vector elements set to the
+///    specified double-precision floating-point value.
+///
+/// \headerfile <x86intrin.h>
+///
+/// This intrinsic corresponds to the <c> VMOVDDUP / MOVLHPS </c> instruction.
+///
+/// \param __w
+///    A double-precision floating-point value used to initialize each vector
+///    element of the result.
+/// \returns An initialized 128-bit floating-point vector of [2 x double].
+static __inline__ __m128d __DEFAULT_FN_ATTRS
+_mm_set_pd1(double __w)
+{
+  return _mm_set1_pd(__w);
+}
+
 /// \brief Constructs a 128-bit floating-point vector of [2 x double]
 ///    initialized with the specified double-precision floating-point values.
 ///
@@ -1787,7 +1873,7 @@ _mm_setzero_pd(void)
 /// \brief Constructs a 128-bit floating-point vector of [2 x double]. The lower
 ///    64 bits are set to the lower 64 bits of the second parameter. The upper
 ///    64 bits are set to the upper 64 bits of the first parameter.
-//
+///
 /// \headerfile <x86intrin.h>
 ///
 /// This intrinsic corresponds to the <c> VBLENDPD / BLENDPD </c> instruction.
@@ -1825,12 +1911,38 @@ _mm_store_sd(double *__dp, __m128d __a)
   ((struct __mm_store_sd_struct*)__dp)->__u = __a[0];
 }
 
+/// \brief Moves packed double-precision values from a 128-bit vector of
+///    [2 x double] to a memory location.
+///
+/// \headerfile <x86intrin.h>
+///
+/// This intrinsic corresponds to the <c>VMOVAPD / MOVAPS</c> instruction.
+///
+/// \param __dp
+///    A pointer to an aligned memory location that can store two
+///    double-precision values.
+/// \param __a
+///    A packed 128-bit vector of [2 x double] containing the values to be
+///    moved.
 static __inline__ void __DEFAULT_FN_ATTRS
 _mm_store_pd(double *__dp, __m128d __a)
 {
   *(__m128d*)__dp = __a;
 }
 
+/// \brief Moves the lower 64 bits of a 128-bit vector of [2 x double] twice to
+///    the upper and lower 64 bits of a memory location.
+///
+/// \headerfile <x86intrin.h>
+///
+/// This intrinsic corresponds to the <c>VMOVDDUP + VMOVAPD / MOVLHPS + MOVAPS </c> instruction.
+///
+/// \param __dp
+///    A pointer to a memory location that can store two double-precision
+///    values.
+/// \param __a
+///    A 128-bit vector of [2 x double] whose lower 64 bits are copied to each
+///    of the values in \a dp.
 static __inline__ void __DEFAULT_FN_ATTRS
 _mm_store1_pd(double *__dp, __m128d __a)
 {
@@ -1940,8 +2052,9 @@ _mm_storel_pd(double *__dp, __m128d __a)
 
 /// \brief Adds the corresponding elements of two 128-bit vectors of [16 x i8],
 ///    saving the lower 8 bits of each sum in the corresponding element of a
-///    128-bit result vector of [16 x i8]. The integer elements of both
-///    parameters can be either signed or unsigned.
+///    128-bit result vector of [16 x i8].
+///
+///    The integer elements of both parameters can be either signed or unsigned.
 ///
 /// \headerfile <x86intrin.h>
 ///
@@ -1961,8 +2074,9 @@ _mm_add_epi8(__m128i __a, __m128i __b)
 
 /// \brief Adds the corresponding elements of two 128-bit vectors of [8 x i16],
 ///    saving the lower 16 bits of each sum in the corresponding element of a
-///    128-bit result vector of [8 x i16]. The integer elements of both
-///    parameters can be either signed or unsigned.
+///    128-bit result vector of [8 x i16].
+///
+///    The integer elements of both parameters can be either signed or unsigned.
 ///
 /// \headerfile <x86intrin.h>
 ///
@@ -1982,8 +2096,9 @@ _mm_add_epi16(__m128i __a, __m128i __b)
 
 /// \brief Adds the corresponding elements of two 128-bit vectors of [4 x i32],
 ///    saving the lower 32 bits of each sum in the corresponding element of a
-///    128-bit result vector of [4 x i32]. The integer elements of both
-///    parameters can be either signed or unsigned.
+///    128-bit result vector of [4 x i32].
+///
+///    The integer elements of both parameters can be either signed or unsigned.
 ///
 /// \headerfile <x86intrin.h>
 ///
@@ -2021,8 +2136,9 @@ _mm_add_si64(__m64 __a, __m64 __b)
 
 /// \brief Adds the corresponding elements of two 128-bit vectors of [2 x i64],
 ///    saving the lower 64 bits of each sum in the corresponding element of a
-///    128-bit result vector of [2 x i64]. The integer elements of both
-///    parameters can be either signed or unsigned.
+///    128-bit result vector of [2 x i64].
+///
+///    The integer elements of both parameters can be either signed or unsigned.
 ///
 /// \headerfile <x86intrin.h>
 ///
@@ -2168,10 +2284,12 @@ _mm_avg_epu16(__m128i __a, __m128i __b)
 /// \brief Multiplies the corresponding elements of two 128-bit signed [8 x i16]
 ///    vectors, producing eight intermediate 32-bit signed integer products, and
 ///    adds the consecutive pairs of 32-bit products to form a 128-bit signed
-///    [4 x i32] vector. For example, bits [15:0] of both parameters are
-///    multiplied producing a 32-bit product, bits [31:16] of both parameters
-///    are multiplied producing a 32-bit product, and the sum of those two
-///    products becomes bits [31:0] of the result.
+///    [4 x i32] vector.
+///
+///    For example, bits [15:0] of both parameters are multiplied producing a
+///    32-bit product, bits [31:16] of both parameters are multiplied producing
+///    a 32-bit product, and the sum of those two products becomes bits [31:0]
+///    of the result.
 ///
 /// \headerfile <x86intrin.h>
 ///
@@ -2369,7 +2487,7 @@ _mm_mul_epu32(__m128i __a, __m128i __b)
 
 /// \brief Computes the absolute differences of corresponding 8-bit integer
 ///    values in two 128-bit vectors. Sums the first 8 absolute differences, and
-///    separately sums the second 8 absolute differences. Packss these two
+///    separately sums the second 8 absolute differences. Packs these two
 ///    unsigned 16-bit integer sums into the upper and lower elements of a
 ///    [2 x i64] vector.
 ///
@@ -3106,8 +3224,9 @@ _mm_cmpgt_epi8(__m128i __a, __m128i __b)
 
 /// \brief Compares each of the corresponding signed 16-bit values of the
 ///    128-bit integer vectors to determine if the values in the first operand
-///    are greater than those in the second operand. Each comparison yields 0h
-///    for false, FFFFh for true.
+///    are greater than those in the second operand.
+///
+///    Each comparison yields 0h for false, FFFFh for true.
 ///
 /// \headerfile <x86intrin.h>
 ///
@@ -3126,8 +3245,9 @@ _mm_cmpgt_epi16(__m128i __a, __m128i __b)
 
 /// \brief Compares each of the corresponding signed 32-bit values of the
 ///    128-bit integer vectors to determine if the values in the first operand
-///    are greater than those in the second operand. Each comparison yields 0h
-///    for false, FFFFFFFFh for true.
+///    are greater than those in the second operand.
+///
+///    Each comparison yields 0h for false, FFFFFFFFh for true.
 ///
 /// \headerfile <x86intrin.h>
 ///
@@ -3146,8 +3266,9 @@ _mm_cmpgt_epi32(__m128i __a, __m128i __b)
 
 /// \brief Compares each of the corresponding signed 8-bit values of the 128-bit
 ///    integer vectors to determine if the values in the first operand are less
-///    than those in the second operand. Each comparison yields 0h for false,
-///    FFh for true.
+///    than those in the second operand.
+///
+///    Each comparison yields 0h for false, FFh for true.
 ///
 /// \headerfile <x86intrin.h>
 ///
@@ -3166,8 +3287,9 @@ _mm_cmplt_epi8(__m128i __a, __m128i __b)
 
 /// \brief Compares each of the corresponding signed 16-bit values of the
 ///    128-bit integer vectors to determine if the values in the first operand
-///    are less than those in the second operand. Each comparison yields 0h for
-///    false, FFFFh for true.
+///    are less than those in the second operand.
+///
+///    Each comparison yields 0h for false, FFFFh for true.
 ///
 /// \headerfile <x86intrin.h>
 ///
@@ -3186,8 +3308,9 @@ _mm_cmplt_epi16(__m128i __a, __m128i __b)
 
 /// \brief Compares each of the corresponding signed 32-bit values of the
 ///    128-bit integer vectors to determine if the values in the first operand
-///    are less than those in the second operand. Each comparison yields 0h for
-///    false, FFFFFFFFh for true.
+///    are less than those in the second operand.
+///
+///    Each comparison yields 0h for false, FFFFFFFFh for true.
 ///
 /// \headerfile <x86intrin.h>
 ///
@@ -3885,10 +4008,11 @@ _mm_storeu_si128(__m128i *__p, __m128i __b)
 
 /// \brief Moves bytes selected by the mask from the first operand to the
 ///    specified unaligned memory location. When a mask bit is 1, the
-///    corresponding byte is written, otherwise it is not written. To minimize
-///    caching, the date is flagged as non-temporal (unlikely to be used again
-///    soon). Exception and trap behavior for elements not selected for storage
-///    to memory are implementation dependent.
+///    corresponding byte is written, otherwise it is not written.
+///
+///    To minimize caching, the date is flagged as non-temporal (unlikely to be
+///    used again soon). Exception and trap behavior for elements not selected
+///    for storage to memory are implementation dependent.
 ///
 /// \headerfile <x86intrin.h>
 ///
@@ -3932,8 +4056,10 @@ _mm_storel_epi64(__m128i *__p, __m128i __a)
 }
 
 /// \brief Stores a 128-bit floating point vector of [2 x double] to a 128-bit
-///    aligned memory location. To minimize caching, the data is flagged as
-///    non-temporal (unlikely to be used again soon).
+///    aligned memory location.
+///
+///    To minimize caching, the data is flagged as non-temporal (unlikely to be
+///    used again soon).
 ///
 /// \headerfile <x86intrin.h>
 ///
@@ -3950,6 +4076,7 @@ _mm_stream_pd(double *__p, __m128d __a)
 }
 
 /// \brief Stores a 128-bit integer vector to a 128-bit aligned memory location.
+///
 ///    To minimize caching, the data is flagged as non-temporal (unlikely to be
 ///    used again soon).
 ///
@@ -3967,8 +4094,9 @@ _mm_stream_si128(__m128i *__p, __m128i __a)
   __builtin_nontemporal_store((__v2di)__a, (__v2di*)__p);
 }
 
-/// \brief Stores a 32-bit integer value in the specified memory location. To
-///    minimize caching, the data is flagged as non-temporal (unlikely to be
+/// \brief Stores a 32-bit integer value in the specified memory location.
+///
+///    To minimize caching, the data is flagged as non-temporal (unlikely to be
 ///    used again soon).
 ///
 /// \headerfile <x86intrin.h>
@@ -3986,8 +4114,9 @@ _mm_stream_si32(int *__p, int __a)
 }
 
 #ifdef __x86_64__
-/// \brief Stores a 64-bit integer value in the specified memory location. To
-///    minimize caching, the data is flagged as non-temporal (unlikely to be
+/// \brief Stores a 64-bit integer value in the specified memory location.
+///
+///    To minimize caching, the data is flagged as non-temporal (unlikely to be
 ///    used again soon).
 ///
 /// \headerfile <x86intrin.h>
@@ -4019,7 +4148,7 @@ extern "C" {
 /// \param __p
 ///    A pointer to the memory location used to identify the cache line to be
 ///    flushed.
-void _mm_clflush(void const *);
+void _mm_clflush(void const * __p);
 
 /// \brief Forces strong memory ordering (serialization) between load
 ///    instructions preceding this instruction and load instructions following
@@ -4141,7 +4270,7 @@ _mm_packus_epi16(__m128i __a, __m128i __b)
 /// \param __a
 ///    A 128-bit integer vector.
 /// \param __imm
-///    An immediate value. Bits [3:0] selects values from \a __a to be assigned
+///    An immediate value. Bits [2:0] selects values from \a __a to be assigned
 ///    to bits[15:0] of the result. \n
 ///    000: assign values from bits [15:0] of \a __a. \n
 ///    001: assign values from bits [31:16] of \a __a. \n
@@ -4788,4 +4917,12 @@ void _mm_pause(void);
 
 #define _MM_SHUFFLE2(x, y) (((x) << 1) | (y))
 
+#define _MM_DENORMALS_ZERO_ON   (0x0040)
+#define _MM_DENORMALS_ZERO_OFF  (0x0000)
+
+#define _MM_DENORMALS_ZERO_MASK (0x0040)
+
+#define _MM_GET_DENORMALS_ZERO_MODE() (_mm_getcsr() & _MM_DENORMALS_ZERO_MASK)
+#define _MM_SET_DENORMALS_ZERO_MODE(x) (_mm_setcsr((_mm_getcsr() & ~_MM_DENORMALS_ZERO_MASK) | (x)))
+
 #endif /* __EMMINTRIN_H */