Andrew Waterman
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a0389645b7
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New FP encoding; improved FP implementation
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2014-03-11 18:58:24 -07:00 |
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Andrew Waterman
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00bc1a2293
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Add fclass.{s|d} instructions
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2014-03-10 16:59:24 -07:00 |
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Yunsup Lee
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ac4b3f9f22
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print out core id
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2014-03-04 23:38:49 -08:00 |
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Andrew Waterman
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9f2e16c58a
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Fix D$ arbiter for >2 inputs
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2014-03-04 16:32:17 -08:00 |
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Andrew Waterman
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fa75f6e81e
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Fix null pointer exception when HAS_FPU=false
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2014-03-04 16:32:09 -08:00 |
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Andrew Waterman
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c7110c8389
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Make FPU pipeline depths configurable
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2014-02-28 13:39:59 -08:00 |
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Yunsup Lee
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98b830201a
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add wen signal to dasm printf
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2014-02-25 03:31:06 -08:00 |
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Yunsup Lee
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97b1841fcf
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change dcache tag bits to 7
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2014-02-22 22:53:04 -08:00 |
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Andrew Waterman
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8e3ca609f7
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Renumber uarch CSRs into custom CSR space
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2014-02-14 17:40:00 -08:00 |
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Andrew Waterman
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a09ff9fdc7
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Revert to old AUIPC definition
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2014-02-10 19:04:42 -08:00 |
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Andrew Waterman
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1456170c6d
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Always stall decode on RoCC -> FENCE; never stall on RoCC -> deferred AMO.RL fence
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2014-02-06 12:01:49 -08:00 |
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Andrew Waterman
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eca8c99f44
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Ignore rocc interrupt line when no rocc is present
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2014-02-06 03:06:55 -08:00 |
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Andrew Waterman
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e7a726fbac
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Make uarch counters read-only
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2014-02-06 01:48:56 -08:00 |
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Quan Nguyen
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f021213b1d
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Merge remote-tracking branch 'origin/master' into hwacha-port
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2014-02-06 00:21:28 -08:00 |
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Andrew Waterman
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62e9313aef
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Add 16 microarchitectural counters
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2014-02-06 00:13:02 -08:00 |
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Yunsup Lee
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ff7cae29f7
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hookup rocc interrupt and s bit
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2014-02-06 00:09:42 -08:00 |
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Yunsup Lee
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ab4a3e937b
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don't share fma pipes
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2014-02-05 14:21:43 -08:00 |
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Stephen Twigg
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6a02d15c21
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Merge branch 'master' into hwacha-port
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2014-02-04 17:05:03 -08:00 |
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Henry Cook
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2c2b3a7678
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cleanups supporting uncore hierarchy
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2014-01-31 12:07:26 -08:00 |
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Andrew Waterman
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febd26f505
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Correct CSR privilege logic
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2014-01-31 01:03:17 -08:00 |
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Stephen Twigg
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3c3c469725
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Add exception signal to rocc interface
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2014-01-28 22:13:16 -08:00 |
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Andrew Waterman
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0266c1f76a
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Support retirement width > 1 in CSR file
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2014-01-24 16:37:40 -08:00 |
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Andrew Waterman
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267394d3cc
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Fix CSR interlocks
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2014-01-24 16:37:40 -08:00 |
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Andrew Waterman
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1f986d1c96
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Branches don't care about the ALU input/function
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2014-01-24 16:37:40 -08:00 |
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Andrew Waterman
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a1b7774f5d
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Simplify handling of CAUSE register
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2014-01-24 16:37:39 -08:00 |
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Christopher Celio
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a2be21361e
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Allow ICacheConfig to toggle fetch-width.
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2014-01-22 16:19:57 -08:00 |
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Andrew Waterman
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a7489920ce
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Support CSR atomics on all CSRs, not just STATUS
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2014-01-21 16:17:39 -08:00 |
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Andrew Waterman
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6ba2c1abe5
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Use auto-generated CAUSE constants
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2014-01-21 15:01:54 -08:00 |
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Andrew Waterman
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95de358a96
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More of the same FPU fix
some SP ops followed by DP stores were not working because they
were encoded as subnormals, not NaNs.
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2014-01-17 14:09:30 -08:00 |
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Andrew Waterman
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cf38001e98
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Fix fmv.s.x -> fsd
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2014-01-17 03:52:35 -08:00 |
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Yunsup Lee
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30b894c2c4
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Merge remote-tracking branch 'origin/master' into hwacha-port
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2014-01-16 16:04:48 -08:00 |
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Yunsup Lee
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6bbbf36979
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push accel/rocket dmem port back to rocket
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2014-01-16 16:01:41 -08:00 |
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Andrew Waterman
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57f4d89c90
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Generate D$ replay_next signals correctly
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2014-01-16 00:16:09 -08:00 |
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Andrew Waterman
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6ebdc4d94e
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Simplify store conditional failure code generation
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2014-01-16 00:15:48 -08:00 |
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Andrew Waterman
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31060ea8ae
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Fix fubar long-latency writeback control logic
Load miss writebacks happening at the same time as multiplication
wasn't working. Hopefully this does it.
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2014-01-14 04:02:43 -08:00 |
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Andrew Waterman
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e8486817e6
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Clean up formatting (i.e. remove tabs, semicolons)
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2014-01-13 21:43:56 -08:00 |
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Andrew Waterman
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a50a1f7d50
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Clean up multiplier/divider stuff
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2014-01-13 21:37:16 -08:00 |
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Andrew Waterman
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4d236979bd
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Fix very far forward JALs
We were sign-extending from the wrong bit, causing a backwards jump.
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2014-01-13 00:55:48 -08:00 |
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Andrew Waterman
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c546f66404
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Swap JAL/JALR encodings (again)
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2014-01-13 00:54:49 -08:00 |
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Quan Nguyen
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ebec444ad2
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Increase tag width for configurable precision in Hwacha
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2013-12-13 03:33:02 -08:00 |
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Andrew Waterman
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07a91bb99a
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Miscellaneous cleanup
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2013-12-09 19:53:14 -08:00 |
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Andrew Waterman
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da3135ac9b
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Begin integer unit clean-up
...to make it easier to generate the superscalar version of the core.
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2013-12-09 15:06:13 -08:00 |
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Andrew Waterman
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16d5250924
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Correct FP trap behavior on FCSR
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2013-12-05 04:18:04 -08:00 |
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Andrew Waterman
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5814a90472
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Make DecodeLogic interface more flexible
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2013-12-05 04:16:48 -08:00 |
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Andrew Waterman
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924261e2b2
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Update to new privileged ISA... phew
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2013-11-25 04:35:15 -08:00 |
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Andrew Waterman
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65b8340cea
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Mitigate D$ hit -> branch -> NPC critical path
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2013-11-24 14:21:03 -08:00 |
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Andrew Waterman
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53f726008b
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Use Mem instead of Vec[Reg] for TLB
QoR-neutral, improves simulation speed
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2013-11-24 14:21:02 -08:00 |
|
Yunsup Lee
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d450b85483
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Merge branch 'master', remote-tracking branch 'origin' into hwacha
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2013-11-21 14:57:38 -08:00 |
|
Yunsup Lee
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68e270eeb2
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fix slli/slliw encoding bug
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2013-11-21 14:44:58 -08:00 |
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Quan Nguyen
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3b109763ad
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Connect FMA to Hwacha pipes
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2013-11-19 20:54:47 -08:00 |
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