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Diffstat (limited to 'compiler/GHC/StgToCmm/Config.hs')
| -rw-r--r-- | compiler/GHC/StgToCmm/Config.hs | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/compiler/GHC/StgToCmm/Config.hs b/compiler/GHC/StgToCmm/Config.hs new file mode 100644 index 0000000000..8751f5ffe5 --- /dev/null +++ b/compiler/GHC/StgToCmm/Config.hs @@ -0,0 +1,76 @@ +-- | The stg to cmm code generator configuration + +module GHC.StgToCmm.Config + ( StgToCmmConfig(..) + , stgToCmmPlatform + ) where + +import GHC.Platform.Profile +import GHC.Platform +import GHC.Unit.Module +import GHC.Utils.Outputable +import GHC.Utils.TmpFs + +import GHC.Prelude + + +-- This config is static and contains information only passed *downwards* by StgToCmm.Monad +data StgToCmmConfig = StgToCmmConfig + ----------------------------- General Settings -------------------------------- + { stgToCmmProfile :: !Profile -- ^ Current profile + , stgToCmmThisModule :: Module -- ^ The module being compiled. This field kept lazy for + -- Cmm/Parser.y which preloads it with a panic + , stgToCmmTmpDir :: !TempDir -- ^ Temp Dir for files used in compilation + , stgToCmmContext :: !SDocContext -- ^ Context for StgToCmm phase + , stgToCmmDebugLevel :: !Int -- ^ The verbosity of debug messages + , stgToCmmBinBlobThresh :: !Word -- ^ Binary literals (e.g. strings) whose size is above this + -- threshold will be dumped in a binary file by the assembler + -- code generator (0 to disable) + , stgToCmmMaxInlAllocSize :: !Int -- ^ Max size, in bytes, of inline array allocations. + ------------------------------ Ticky Options ---------------------------------- + , stgToCmmDoTicky :: !Bool -- ^ Ticky profiling enabled (cf @-ticky@) + , stgToCmmTickyAllocd :: !Bool -- ^ True indicates ticky prof traces allocs of each named + -- thing in addition to allocs _by_ that thing + , stgToCmmTickyLNE :: !Bool -- ^ True indicates ticky uses name-specific counters for + -- join-points (let-no-escape) + , stgToCmmTickyDynThunk :: !Bool -- ^ True indicates ticky uses name-specific counters for + -- dynamic thunks + ---------------------------------- Flags -------------------------------------- + , stgToCmmLoopification :: !Bool -- ^ Loopification enabled (cf @-floopification@) + , stgToCmmAlignCheck :: !Bool -- ^ Insert alignment check (cf @-falignment-sanitisation@) + , stgToCmmOptHpc :: !Bool -- ^ perform code generation for code coverage + , stgToCmmFastPAPCalls :: !Bool -- ^ + , stgToCmmSCCProfiling :: !Bool -- ^ Check if cost-centre profiling is enabled + , stgToCmmEagerBlackHole :: !Bool -- ^ + , stgToCmmInfoTableMap :: !Bool -- ^ true means generate C Stub for IPE map, See note [Mapping + -- Info Tables to Source Positions] + , stgToCmmOmitYields :: !Bool -- ^ true means omit heap checks when no allocation is performed + , stgToCmmOmitIfPragmas :: !Bool -- ^ true means don't generate interface programs (implied by -O0) + , stgToCmmPIC :: !Bool -- ^ true if @-fPIC@ + , stgToCmmPIE :: !Bool -- ^ true if @-fPIE@ + , stgToCmmExtDynRefs :: !Bool -- ^ true if @-fexternal-dynamic-refs@, meaning generate + -- code for linking against dynamic libraries + , stgToCmmDoBoundsCheck :: !Bool -- ^ decides whether to check array bounds in StgToCmm.Prim + -- or not + ------------------------------ Backend Flags ---------------------------------- + , stgToCmmAllowBigArith :: !Bool -- ^ Allowed to emit larger than native size arithmetic (only LLVM and C backends) + , stgToCmmAllowQuotRemInstr :: !Bool -- ^ Allowed to generate QuotRem instructions + , stgToCmmAllowQuotRem2 :: !Bool -- ^ Allowed to generate QuotRem + , stgToCmmAllowExtendedAddSubInstrs :: !Bool -- ^ Allowed to generate AddWordC, SubWordC, Add2, etc. + , stgToCmmAllowIntMul2Instr :: !Bool -- ^ Allowed to generate IntMul2 instruction + , stgToCmmAllowFabsInstrs :: !Bool -- ^ Allowed to generate Fabs instructions + ------------------------------ SIMD flags ------------------------------------ + -- Each of these flags checks vector compatibility with the backend requested + -- during compilation. In essence, this means checking for @-fllvm@ which is + -- the only backend that currently allows SIMD instructions, see + -- Ghc.StgToCmm.Prim.checkVecCompatibility for these flags only call site. + , stgToCmmVecInstrsErr :: Maybe String -- ^ Error (if any) to raise when vector instructions are + -- used, see @StgToCmm.Prim.checkVecCompatibility@ + , stgToCmmAvx :: !Bool -- ^ check for Advanced Vector Extensions + , stgToCmmAvx2 :: !Bool -- ^ check for Advanced Vector Extensions 2 + , stgToCmmAvx512f :: !Bool -- ^ check for Advanced Vector 512-bit Extensions + } + + +stgToCmmPlatform :: StgToCmmConfig -> Platform +stgToCmmPlatform = profilePlatform . stgToCmmProfile |