Module core_arch::arm

🔬 This is a nightly-only experimental API. (stdsimd)

This is supported on ARM only.

Platform-specific intrinsics for the arm platform.

See the module documentation for more details.

Structs

APSR	ExperimentalARM Application Program Status Register
ISH	ExperimentalARM Inner Shareable is the required shareability domain, reads and writes are the required access types
ISHST	ExperimentalARM Inner Shareable is the required shareability domain, writes are the required access type
NSH	ExperimentalARM Non-shareable is the required shareability domain, reads and writes are the required access types
NSHST	ExperimentalARM Non-shareable is the required shareability domain, writes are the required access type
OSH	ExperimentalARM Outer Shareable is the required shareability domain, reads and writes are the required access types
OSHST	ExperimentalARM Outer Shareable is the required shareability domain, writes are the required access type
ST	ExperimentalARM Full system is the required shareability domain, writes are the required access type
SY	ExperimentalARM Full system is the required shareability domain, reads and writes are the required access types
int16x2_t	ExperimentalARM ARM-specific 32-bit wide vector of two packed i16.
int8x4_t	ExperimentalARM ARM-specific 32-bit wide vector of four packed i8.
uint16x2_t	ExperimentalARM ARM-specific 32-bit wide vector of two packed u16.
uint8x4_t	ExperimentalARM ARM-specific 32-bit wide vector of four packed u8.

Functions

__breakpoint⚠	ExperimentalARM Inserts a breakpoint instruction.
__clrex⚠	ExperimentalARM Removes the exclusive lock created by LDREX
__dbg⚠	ExperimentalARM Generates a DBG instruction.
__dmb⚠	ExperimentalARM Generates a DMB (data memory barrier) instruction or equivalent CP15 instruction.
__dsb⚠	ExperimentalARM Generates a DSB (data synchronization barrier) instruction or equivalent CP15 instruction.
__isb⚠	ExperimentalARM Generates an ISB (instruction synchronization barrier) instruction or equivalent CP15 instruction.
__ldrex⚠	ExperimentalARM Executes a exclusive LDR instruction for 32 bit value.
__ldrexb⚠	ExperimentalARM Executes a exclusive LDR instruction for 8 bit value.
__ldrexh⚠	ExperimentalARM Executes a exclusive LDR instruction for 16 bit value.
__nop⚠	ExperimentalARM Generates an unspecified no-op instruction.
__qadd⚠	ExperimentalARM Signed saturating addition
__qadd8⚠	ExperimentalARM Saturating four 8-bit integer additions
__qadd16⚠	ExperimentalARM Saturating two 16-bit integer additions
__qasx⚠	ExperimentalARM Returns the 16-bit signed saturated equivalent of
__qdbl⚠	ExperimentalARM Insert a QADD instruction
__qsax⚠	ExperimentalARM Returns the 16-bit signed saturated equivalent of
__qsub⚠	ExperimentalARM Signed saturating subtraction
__qsub8⚠	ExperimentalARM Saturating two 8-bit integer subtraction
__qsub16⚠	ExperimentalARM Saturating two 16-bit integer subtraction
__rsr⚠	ExperimentalARM Reads a 32-bit system register
__rsrp⚠	ExperimentalARM Reads a system register containing an address
__sadd8⚠	ExperimentalARM Returns the 8-bit signed saturated equivalent of
__sadd16⚠	ExperimentalARM Returns the 16-bit signed saturated equivalent of
__sasx⚠	ExperimentalARM Returns the 16-bit signed equivalent of
__sel⚠	ExperimentalARM Select bytes from each operand according to APSR GE flags
__sev⚠	ExperimentalARM Generates a SEV (send a global event) hint instruction.
__shadd8⚠	ExperimentalARM Signed halving parallel byte-wise addition.
__shadd16⚠	ExperimentalARM Signed halving parallel halfword-wise addition.
__shsub8⚠	ExperimentalARM Signed halving parallel byte-wise subtraction.
__shsub16⚠	ExperimentalARM Signed halving parallel halfword-wise subtraction.
__smlabb⚠	ExperimentalARM Insert a SMLABB instruction
__smlabt⚠	ExperimentalARM Insert a SMLABT instruction
__smlad⚠	ExperimentalARM Dual 16-bit Signed Multiply with Addition of products and 32-bit accumulation.
__smlatb⚠	ExperimentalARM Insert a SMLATB instruction
__smlatt⚠	ExperimentalARM Insert a SMLATT instruction
__smlawb⚠	ExperimentalARM Insert a SMLAWB instruction
__smlawt⚠	ExperimentalARM Insert a SMLAWT instruction
__smlsd⚠	ExperimentalARM Dual 16-bit Signed Multiply with Subtraction of products and 32-bit accumulation and overflow detection.
__smuad⚠	ExperimentalARM Signed Dual Multiply Add.
__smuadx⚠	ExperimentalARM Signed Dual Multiply Add Reversed.
__smulbb⚠	ExperimentalARM Insert a SMULBB instruction
__smulbt⚠	ExperimentalARM Insert a SMULTB instruction
__smultb⚠	ExperimentalARM Insert a SMULTB instruction
__smultt⚠	ExperimentalARM Insert a SMULTT instruction
__smulwb⚠	ExperimentalARM Insert a SMULWB instruction
__smulwt⚠	ExperimentalARM Insert a SMULWT instruction
__smusd⚠	ExperimentalARM Signed Dual Multiply Subtract.
__smusdx⚠	ExperimentalARM Signed Dual Multiply Subtract Reversed.
__ssub8⚠	ExperimentalARM Inserts a SSUB8 instruction.
__strex⚠	ExperimentalARM Executes a exclusive STR instruction for 32 bit values
__strexb⚠	ExperimentalARM Executes a exclusive STR instruction for 8 bit values
__strexh⚠	ExperimentalARM Executes a exclusive STR instruction for 16 bit values
__usad8⚠	ExperimentalARM Sum of 8-bit absolute differences.
__usada8⚠	ExperimentalARM Sum of 8-bit absolute differences and constant.
__usub8⚠	ExperimentalARM Inserts a USUB8 instruction.
__wfe⚠	ExperimentalARM Generates a WFE (wait for event) hint instruction, or nothing.
__wfi⚠	ExperimentalARM Generates a WFI (wait for interrupt) hint instruction, or nothing.
__wsr⚠	ExperimentalARM Writes a 32-bit system register
__wsrp⚠	ExperimentalARM Writes a system register containing an address
__yield⚠	ExperimentalARM Generates a YIELD hint instruction.
_clz_u8⚠	ExperimentalARM and v7 Count Leading Zeros.
_clz_u16⚠	ExperimentalARM and v7 Count Leading Zeros.
_clz_u32⚠	ExperimentalARM and v7 Count Leading Zeros.
_rbit_u32⚠	ExperimentalARM and v7 Reverse the bit order.
_rev_u16⚠	ExperimentalARM Reverse the order of the bytes.
_rev_u32⚠	ExperimentalARM Reverse the order of the bytes.
udf⚠	ExperimentalARM Generates the trap instruction UDF