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github.com/moarvm/moarvm | IRC logs at colabti.org/irclogger/irclogger_logs/moarvm Set by AlexDaniel on 12 June 2018. |
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| nwc10 | good *, #moarvm | 10:39 | |
| jnthn: would you like the good news, and brrt the not so good news? :-) | |||
| jnthn | Well, this seems like a better deal for me than brrt++... :) | 10:54 | |
| nwc10 | jnthn: I can get to the spectest again with +#define MVM_SPESH_CHECK_DU 1 | 10:55 | |
| no idea what changed when, but something you (singular or plural) did fixed the underlying bug that that had hit | |||
| and for brrt (and everyone else I guess), the --ubsan option to Configure is somewhat Less Awesome than it ideally should be, because (I forget which bit of 3rd party code) the JIT headers do undefined behaviour, so it always spits out pretty warnings | 10:57 | ||
| which messes up spectests that check output | |||
| (can't trivially check right now, as I'm spectesting again) | |||
| but it's some header with x86 in the filename, so it knows what it expects | |||
| but strictly it's undefined behaviour | |||
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| dogbert2_ | hello brrt | 13:22 | |
| brrt | ohai dogbert2_ | 13:27 | |
| nwc10: infopls | |||
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| dogbert2_ | brrt: trying to build MoarVM with your branch expr-jit-invoke failed for me. Got the message 'make: *** No rule to make target 'src/jit/nativecall.h', needed by 'src/main.o'. Stop.' | 13:28 | |
| brrt | did you make reconfig | ||
| I might have not committed that file | |||
| dogbert2_ | timotimo suspects something might be missing in makefile.in | ||
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| Geth | MoarVM/jit-expr-optimizer: 4 commits pushed by (Bart Wiegmans)++ | 13:29 | |
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| brrt | maybe, let me have a check | 13:29 | |
| Geth | MoarVM/expr-jit-invoke: a9a46d975d | (Bart Wiegmans)++ | 4 files [JIT] Implement invoke sequence in expr JIT |
13:31 | |
| MoarVM/expr-jit-invoke: e546eb1a23 | (Bart Wiegmans)++ | src/jit/graph.c [JIT] Eliminate special consume_invoke opcode Except for nativecall_invoke, we no longer need this part of the legacy JIT. |
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| MoarVM/expr-jit-invoke: f562106d02 | (Bart Wiegmans)++ | 7 files [JIT] WIP on nativeinvoke in the expression JIT |
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| brrt | dogbert2_: please try again? | 13:34 | |
| nwc10 | brrt: with --ubsan | 13:41 | |
| 3rdparty/dynasm/minilua.c:1609:4: runtime error: signed integer overflow: -2147483648 + -1 cannot be represented in type 'int' | |||
| oops | |||
| 3rdparty/dynasm/minilua.c:1609:4: runtime error: signed integer overflow: -2147483648 + -1 cannot be represented in type 'int' | |||
| there. that's the (minimalist) pavement pizza line | 13:42 | ||
| and that appears in the spectests | |||
| so it confuses things | |||
| and I'm misremembered where it came from | |||
| brrt | hmmm. I see | 13:44 | |
| but.... we don't link minilua? | |||
| we do link dasm_x86.h | |||
| and I'm ready to believe there's UB there | |||
| dogbert2_ | brrt++ it builds now. have to wait until I get home before I can test it though | 13:56 | |
| nwc10 | oh, not totally misrembmbering | 14:04 | |
| Stage parse : 3rdparty/dynasm/dasm_x86.h:224:16: runtime error: signed integer overflow: 2147483647 + 128 cannot be represented in type 'int' | |||
| 3rdparty/dynasm/dasm_x86.h:590:13: runtime error: signed integer overflow: 2147483647 + 128 cannot be represented in type 'int' | |||
| (I spared you the bold and the red) | |||
| so that's a second place | |||
| that one is quite common | 14:13 | ||
| I'm seing it slowly through the build | |||
| Geth | MoarVM: 304f568f19 | (Jonathan Worthington)++ | 3 files Correct deserialization handling of parametrics It's fine to poke the interned value into the target SC, however we must not set the SC index of the current SC onto it. Otherwise, we get a bogus index, and can end up looking up a completely bogus object. Addresses github.com/rakudo/rakudo/issues/2345. |
14:33 | |
| timotimo | whoa. | 14:37 | |
| jnthn | That took a bit of finding | 14:38 | |
| timotimo | now i don't have to have two versions of perl6 installed any more to both have my newest profiler output stuff and a working cro :) | 14:40 | |
| jnthn | :) | 14:43 | |
| Yeah, I've had to run with the september release this week on $dayjob app too :) | |||
| (Verified it runs nicely on HEAD after that fix) | |||
| brrt | jnthn++ | 14:52 | |
| dogbert2_ | with some luck there are no blockers left | 14:53 | |
| brrt | nwc10 - noted | ||
| hmm, ubsan is probably right, but I'm not sure I see the problem in practice | 14:56 | ||
| I'll have to think up a formulation in which this works | |||
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