llvm::RISCVISAInfo

Name

Description

RISCVISAInfo [constructor] [deleted]

Copy construction is deleted; instances are created via factory methods.

operator= [deleted]

Copy assignment is deleted; instances are created via factory methods.

computeDefaultABI

Return the default ABI name implied by XLEN and enabled extensions.

getExtensions

Return the ordered map of enabled extensions and their versions.

getFLen

Return the floating‐point register width in bits (FLEN), or 0 if none.

getMaxELen

Return the maximum EEW for integer vector loads/stores in bits.

getMaxELenFp

Return the maximum EEW for floating‐point vector loads/stores in bits.

getMaxVLen

Return the maximum vector register length in bits (VLEN).

getMinVLen

Return the minimum vector register length in bits (VLEN).

getXLen

Return the base integer register width in bits (XLEN).

hasExtension

Return true if extension Ext is enabled in this ISA.

toFeatures

Convert RISC‐V ISA info to a feature vector.

toString

Return the canonical ISA string for the enabled extensions.

Name

Description

createFromExtMap

Create RISC‐V ISA info from an XLEN and an ordered extension map.

getRISCVFeaturesBitsInfo

Return the group id and bit position of __riscv_feature_bits.

getTargetFeatureForExtension

Return the target‐feature name for extension string Ext.

isSupportedExtension

isSupportedExtension overloads

isSupportedExtensionFeature

Return true if Ext is a supported RISC‐V extension feature name.

isSupportedExtensionWithVersion

Return true if Ext names a supported extension including a version.

parseArchString

Parse RISC‐V ISA info from an architecture string.

parseFeatures

Parse RISC‐V ISA info from a feature vector.

parseNormalizedArchString

Parse RISC‐V ISA info from a normalized architecture string.

printEnabledExtensions

Print the enabled RISC‐V extensions for a target to standard output.

printSupportedExtensions

Print all supported RISC‐V ‐march extensions to standard output.

Name

Description

FeatureBitSize

The maximum value of the group ID obtained from getRISCVFeaturesBitsInfo.