Safe Haskell	None
Language	GHC2021

GHC.CmmToAsm.Config

Description

Native code generator configuration

Synopsis

data NCGConfig = NCGConfig {
- ncgPlatform :: !Platform
- ncgAsmContext :: !SDocContext
- ncgThisModule :: !Module
- ncgProcAlignment :: !(Maybe Int)
- ncgExternalDynamicRefs :: !Bool
- ncgPIC :: !Bool
- ncgInlineThresholdMemcpy :: !Word
- ncgInlineThresholdMemset :: !Word
- ncgSplitSections :: !Bool
- ncgRegsIterative :: !Bool
- ncgRegsGraph :: !Bool
- ncgAsmLinting :: !Bool
- ncgDoConstantFolding :: !Bool
- ncgSseVersion :: Maybe SseVersion
- ncgBmiVersion :: Maybe BmiVersion
- ncgDumpRegAllocStages :: !Bool
- ncgDumpAsmStats :: !Bool
- ncgDumpAsmConflicts :: !Bool
- ncgCfgWeights :: !Weights
- ncgCfgBlockLayout :: !Bool
- ncgCfgWeightlessLayout :: !Bool
- ncgDwarfEnabled :: !Bool
- ncgDwarfUnwindings :: !Bool
- ncgDwarfStripBlockInfo :: !Bool
- ncgExposeInternalSymbols :: !Bool
- ncgDwarfSourceNotes :: !Bool
- ncgCmmStaticPred :: !Bool
- ncgEnableShortcutting :: !Bool
- ncgComputeUnwinding :: !Bool
- ncgEnableDeadCodeElimination :: !Bool
}
ncgWordWidth :: NCGConfig -> Width
ncgSpillPreallocSize :: NCGConfig -> Int
platformWordWidth :: Platform -> Width

Documentation

data NCGConfig Source #

Native code generator configuration

Constructors

NCGConfig

Fields

ncgPlatform :: !Platform
Target platform
ncgAsmContext :: !SDocContext
Context for ASM code generation
ncgThisModule :: !Module
The name of the module we are currently compiling
ncgProcAlignment :: !(Maybe Int)
Mandatory proc alignment
ncgExternalDynamicRefs :: !Bool
Generate code to link against dynamic libraries
ncgPIC :: !Bool
Enable Position-Independent Code
ncgInlineThresholdMemcpy :: !Word
If inlining memcpy produces less than this threshold (in pseudo-instruction unit), do it
ncgInlineThresholdMemset :: !Word
Ditto for memset
ncgSplitSections :: !Bool
Split sections
ncgRegsIterative :: !Bool
ncgRegsGraph :: !Bool
ncgAsmLinting :: !Bool
Perform ASM linting pass
ncgDoConstantFolding :: !Bool
Perform CMM constant folding
ncgSseVersion :: Maybe SseVersion
(x86) SSE instructions
ncgBmiVersion :: Maybe BmiVersion
(x86) BMI instructions
ncgDumpRegAllocStages :: !Bool
ncgDumpAsmStats :: !Bool
ncgDumpAsmConflicts :: !Bool
ncgCfgWeights :: !Weights
CFG edge weights
ncgCfgBlockLayout :: !Bool
Use CFG based block layout algorithm
ncgCfgWeightlessLayout :: !Bool
Layout based on last instruction per block.
ncgDwarfEnabled :: !Bool
Enable Dwarf generation
ncgDwarfUnwindings :: !Bool
Enable unwindings
ncgDwarfStripBlockInfo :: !Bool
Strip out block information from generated Dwarf
ncgExposeInternalSymbols :: !Bool
Expose symbol table entries for internal symbols
ncgDwarfSourceNotes :: !Bool
Enable GHC-specific source note DIEs
ncgCmmStaticPred :: !Bool
Enable static control-flow prediction
ncgEnableShortcutting :: !Bool
Enable shortcutting (don't jump to blocks only containing a jump)
ncgComputeUnwinding :: !Bool
Compute block unwinding tables
ncgEnableDeadCodeElimination :: !Bool
Whether to enable the dead-code elimination

ncgWordWidth :: NCGConfig -> Width Source #

Return Word size

ncgSpillPreallocSize :: NCGConfig -> Int Source #

Size in bytes of the pre-allocated spill space on the C stack

platformWordWidth :: Platform -> Width Source #

Return Word size