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* Enable new warning for fragile/incorrect CPP #if usageErik de Castro Lopo2017-04-281-1/+1
| | | | | | | | | | | | | | | | The C code in the RTS now gets built with `-Wundef` and the Haskell code (stages 1 and 2 only) with `-Wcpp-undef`. We now get warnings whereever `#if` is used on undefined identifiers. Test Plan: Validate on Linux and Windows Reviewers: austin, angerman, simonmar, bgamari, Phyx Reviewed By: bgamari Subscribers: thomie, snowleopard Differential Revision: https://phabricator.haskell.org/D3278
* Revert "Enable new warning for fragile/incorrect CPP #if usage"Ben Gamari2017-04-051-1/+1
| | | | | | | | This is causing too much platform dependent breakage at the moment. We will need a more rigorous testing strategy before this can be merged again. This reverts commit 7e340c2bbf4a56959bd1e95cdd1cfdb2b7e537c2.
* Enable new warning for fragile/incorrect CPP #if usageErik de Castro Lopo2017-04-051-1/+1
| | | | | | | | | | | | | | | | The C code in the RTS now gets built with `-Wundef` and the Haskell code (stages 1 and 2 only) with `-Wcpp-undef`. We now get warnings whereever `#if` is used on undefined identifiers. Test Plan: Validate on Linux and Windows Reviewers: austin, angerman, simonmar, bgamari, Phyx Reviewed By: bgamari Subscribers: thomie, snowleopard Differential Revision: https://phabricator.haskell.org/D3278
* Link pre-ARMv6 spinlocks into all RTS variantsJoachim Breitner2014-12-091-4/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | Summary: For compatibility with ARM machines from pre v6, the RTS provides implementations of certain atomic operations. Previously, these were only included in the threaded RTS. But ghc (the library) contains the code in compiler/cbits/genSym.c, which uses these operations if there is more than one capability. But there is only one libHSghc, so the linker wants to resolve these symbols in every case. By providing these operations in all RTSs, the linker is happy. The only downside is a small amount of dead code in the non-threaded RTS on old ARM machines. Test Plan: It helped here. Reviewers: bgamari, austin Reviewed By: bgamari, austin Subscribers: carter, thomie Differential Revision: https://phabricator.haskell.org/D564 GHC Trac Issues: #8951
* Revert "rts: add Emacs 'Local Variables' to every .c file"Simon Marlow2014-09-291-8/+0
| | | | This reverts commit 39b5c1cbd8950755de400933cecca7b8deb4ffcd.
* rts: add Emacs 'Local Variables' to every .c fileAustin Seipp2014-07-281-0/+8
| | | | | | | | This will hopefully help ensure some basic consistency in the forward by overriding buffer variables. In particular, it sets the wrap length, the offset to 4, and turns off tabs. Signed-off-by: Austin Seipp <austin@well-typed.com>
* rts: delint/detab/dewhitespace OldARMAtomic.cAustin Seipp2014-07-281-2/+1
| | | | Signed-off-by: Austin Seipp <austin@well-typed.com>
* Avoid call-clobbered registersManuel M T Chakravarty2011-08-101-1/+1
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* ARMv5 compatibility for registerized runtime changes.Stephen Blackheath2011-08-101-2/+11
| | | | | | | When the bootstrap compiler does not include this patch, you must add this line to mk/build.mk, otherwise the ARM architecture cannot be detected due to a -undef option given to the C pre-processor. SRC_HC_OPTS = -pgmP 'gcc -E -traditional'
* Stephen Blackheath's GHC/ARM registerised portKarel Gardas2011-08-101-0/+47
This is the Stephen Blackheath's GHC/ARM registerised port which is using modified version of LLVM and which provides basic registerised build functionality
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