| --- Log opened Mon Oct 06 00:00:25 2014 | ||
| poke53282 | Slides for the talk finished. | 03:24 |
|---|---|---|
| poke53282 | Looks like the Hotel-Pension Theresia-Regina is the closest hotel to the conferene. 30 Euro per night, but no own shower. | 05:35 |
| olofk | ah yes. Time to get a hotel now I guess | 06:58 |
| olofk | And book the flights | 06:58 |
| stekern | I've booked a room at hotel europe | 07:14 |
| stekern | *europa | 07:15 |
| olofk | Ok. Flights booked now | 09:13 |
| wallento | and what is it now? | 09:18 |
| drakhogekko | Hello | 10:14 |
| olofk | drakhogekko: Hello | 10:16 |
| olofk | wallento: what is what? | 10:17 |
| wallento | olofk: your flight? munich or frankfurt? | 10:57 |
| olofk | wallento: Munich friday 18:10 | 10:57 |
| stekern | hmm, I activated wb_stream_reader and now the writer doesn't work anymore | 15:11 |
| stekern | maybe I've screwed up the intercon... | 15:11 |
| poke53282 | stekern: Did you make progress on the gcc internal compiler error? | 16:29 |
| poke53282 | It's strange, but for me the error happens only with the optimization -O1 and not with -O2 and so on. | 16:30 |
| poke53282 | If i don't use -O1, but instead tons of -f... options it doesn't crash. | 16:39 |
| stekern | poke53282: hmm, I started to look into it, yes. But I don't think I made any big break-throughs | 17:31 |
| poke53282 | Yes, this is a hard problem. I guess we have to use -fdump-final-insns and find the exact command where it fails. | 17:36 |
| stekern | I dumped the gimple trees for O1 and O2: http://pastie.org/9625398 | 17:36 |
| stekern | and http://pastie.org/9625399 | 17:36 |
| stekern | I think this is the problem maybe: http://pastie.org/9625398#21 | 17:37 |
| poke53282 | never heard of gimple trees | 17:39 |
| poke53282 | At the moment I am reading LISP code: http://pastie.org/9625408 | 17:40 |
| stekern | you get them with -fdump-tree-all | 17:40 |
| poke53282 | at the moment the code fails after he gernerated this rtl code. | 17:42 |
| poke53282 | And I guess, it is just a special instruction there which fails. On a much lower level than the gimple trees. | 17:43 |
| poke53282 | Because -O2 seems to work for me. | 17:43 |
| stekern | yes, 02 works | 17:45 |
| stekern | but that's probably just because the problem got optimized away | 17:46 |
| poke53282 | Ok, let me put a printf in the expr function to see at which rtl expression it fails. | 17:46 |
| poke53282 | Is there an lxr project for gcc? | 17:47 |
| poke53282 | online gcc cross reference? | 17:47 |
| stekern | haven't seen one at least | 17:50 |
| poke53282 | http://comments.gmane.org/gmane.comp.gcc.bugs/415127 | 17:54 |
| poke53282 | ICE happens in in expand_expr_addr_expr_1 because the result is (reg/v:TI 86 [ | 17:56 |
| poke53282 | func ]), which is obviously no memory. | 17:56 |
| poke53282 | Issue seems here to be that x64 ABI has pre-allocated stack-area on call, so | 17:56 |
| poke53282 | for the first 4 arguments no stack-allocation is necessary. So we might need | 17:56 |
| poke53282 | to specialize allocate_stack_slots_for_args-hook for this target. | 17:56 |
| stekern | hmm, yeah. that seems like it might be related | 17:58 |
| poke53282 | It happens directly between the translation of the tree view and the rtl view. | 18:08 |
| stekern | olofk: shouldn't this be DEPTH_WIDTH:0? https://github.com/olofk/fifo/blob/master/rtl/verilog/fifo_fwft.v#L13 | 19:13 |
| olofk | stekern: I'm planning to remove that fifo_fwft | 19:20 |
| olofk | stream_reader is the only thing that still uses it, so if that's what you're looking at, please replace that with stream_fifo instead | 19:21 |
| olofk | Or if you need a counter, do something like what is done in wb_stream_writer_fifo | 19:22 |
| stekern | I'm just looking at my old local fifo that works and one that doesn't | 19:26 |
| stekern | (which happened to come from .cache) | 19:26 |
| olofk | Cool! Just read a tweet that some guy has got Parallella working under FuseSoC | 20:32 |
| olofk | http://parallellogram.wordpress.com/2014/10/05/building-for-the-parallella-with-fusesoc/ | 20:36 |
| olofk | Looks like only four small patches were needed | 20:38 |
| olofk | Maybe this means it's time to finally take my parallella out of the garage and power it up | 20:39 |
| olofk | stekern: Did you say that symlinks works in FuseSoC now? I'm wondering because it looks like I never pushed that commit | 20:41 |
| --- Log closed Tue Oct 07 00:00:26 2014 | ||
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