[InstSimplify] Add support for llvm.structured.gep (#182874)
Similar to GEP, the SGEP instruction with no indices can be simplified
by directly using the base pointer.
tcp: improve handling of segments in TIME WAIT
The check for excluding duplicate ACKs needs to consider only TH_SYN
and TH_FIN. We know that TH_ACK is set and TH_RST is cleared. All
other flags, in particular TH_ECE, TH_CWR, and TH_AE needs to be
ignored for the check.
PR: 292293
Reviewed by: rrs
MFC after: 3 days
Sponsored by: Netflix, Inc.
Differential Revision: https://reviews.freebsd.org/D55489
[WebAssembly] optimize ext + shuffle + add into addext (#182849)
cc https://github.com/llvm/llvm-project/issues/179143
This adds a second pattern: we already recognize "shuffle + extend +
add" as `addext`, this adds another pattern for "extend + shuffle +
add", which can come up when programs are optimized.
tcp: BBLog incoming packets in TCPS_TIME_WAIT
PR: 292293
Reviewed by: rrs, rscheff, pouria, Nick Banks, Peter Lei
MFC after: 3 days
Sponsored by: Netflix, Inc.
Differential Revision: https://reviews.freebsd.org/D5546
When TCP ECN decides it wants to assure an ACK is sent it needs to do it correctly and with some limits.
So in testing I have found two interesting cases where ECN is going
to make it so that an ack will be sent right away. These cases need
to be limited to being in the ESTABLISHED state. You don't want ECN
sending ACK's when we are transitioning in front or end states.
Also we don't start a delayed ack timer <and> at the same time set
the ACKNOW flag, thats just plain wrong.
Reviewed by: tuexen, rscheff
Differential Revision:<https://reviews.freebsd.org/D55460>
replace enable_smb1 boolena with minimum_protocol
This commit responds to an increasing trend where our user
base has disabling all non-SMB3 dialect support on the
SMB server as a part of a compliance checklist. Originally
we presented a simply boolean checkbox to re-enable SMB1
support. The new field is a string containing minimum
protocol that may be set to the following values:
*SMB1* - this enables SMB1 support (as well as SMB2/3). Users
generally *shouldn't* enable SMB1 unless they have a good
reason to (for example a very expensive CNC mill with
dependency on a very old version of Windows).
*SMB2* - (default) this disables SMB1 support, but allows
SMB2/3 protocol access. The minimum supported SMB dialect
is 2.04 (Windows Vista / older linux clients).
*SMB3* - new. This disables SMB1 support, and *also* disables
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[SPIRV][AMD] Reenable `SPV_KHR_float_control2` for AMD flavored SPIRV (#182873)
`SPV_KHR_float_controls2` is enabled in the translator after
https://github.com/khronosgroup/spirv-llvm-translator/pull/3475.
This extension was disabled since we were not able to translate it back.
This patch reverts #169659.
Unify expandPow2Division/expandPow2Remainder into expandPow2DivRem.
Merge the two functions into one to share the common signed-path logic (freeze, bias, ashr) and reduce code duplication, as suggested.
[CodeGen] Expand power-of-2 div/rem at IR level in ExpandIRInsts.
Previously, power-of-2 div/rem operations wider than
MaxLegalDivRemBitWidth were excluded from IR expansion and left for
backend peephole optimizations. Some backends can fail to process such
instructions in case we switch off DAGCombiner.
Now ExpandIRInsts expands them into shift/mask sequences:
- udiv X, 2^C -> lshr X, C
- urem X, 2^C -> and X, (2^C - 1)
- sdiv X, 2^C -> bias adjustment + ashr X, C
- srem X, 2^C -> X - (((X + Bias) >> C) << C)
Special cases handled:
- Division/remainder by 1 or -1 (identity, negation, or zero)
- Exact division (sdiv exact skips bias, produces ashr exact)
- Negative power-of-2 divisors (result is negated)
- INT_MIN divisor (correct via countr_zero on bit pattern)
Addressed review comments:
- Added proofs for power-of-2 div/rem expansion in ExpandIRInsts at
https://alive2.llvm.org/ce/z/Y-iWm-
- Tests updated as requested.
Also added CreateFreeze() where needed.
www/fmd-server: [NEW PORT] FMD server to locate and control your devices
FMD allows you to locate and remotely control your Android device.
This is useful if you have lost or misplaced it. FMD is decentralised, and
users remain in full control of their data.
WWW: https://fmd-foss.org
www/fmd-server: [NEW PORT] FMD server to locate and control your devices
FMD allows you to locate and remotely control your Android device.
This is useful if you have lost or misplaced it. FMD is decentralised, and
users remain in full control of their data.
WWW: https://fmd-foss.org
sctp: fix so_proto when peeling off a socket
Reported by: glebius
Reviewed by: rrs
Fixes: d195b3783fa4 ("sctp: fix socket type created by sctp_peeloff()")
Differential Revision: https://reviews.freebsd.org/D55454
[NFC] Add comments for PR “[LLVM][CLANG] Update signal‑handling behavior to comply with POSIX” (#183206)
This PR adds comments to address post‑commit review feedback on commit
15488a7f78ce7b9ae3c06b031134e5cb339b335c.
