Expand description
RISC-V Packed SIMD intrinsics; shared part.
RV64 only part is placed in riscv64 folder.
Functionsยง
- add8
Experimental - Adds packed 8-bit signed numbers, discarding overflow bits
- add16
Experimental - Adds packed 16-bit signed numbers, discarding overflow bits
- clrs8
Experimental - Count the number of redundant sign bits of the packed 8-bit elements
- clrs16
Experimental - Count the number of redundant sign bits of the packed 16-bit elements
- clrs32
Experimental - Count the number of redundant sign bits of the packed 32-bit elements
- clz8
Experimental - Count the number of leading zero bits of the packed 8-bit elements
- clz16
Experimental - Count the number of leading zero bits of the packed 16-bit elements
- clz32
Experimental - Count the number of leading zero bits of the packed 32-bit elements
- cmpeq8
Experimental - Compare equality for packed 8-bit elements
- cmpeq16
Experimental - Compare equality for packed 16-bit elements
- cras16
Experimental - Cross adds and subtracts packed 16-bit signed numbers, discarding overflow bits
- crsa16
Experimental - Cross subtracts and adds packed 16-bit signed numbers, discarding overflow bits
- kabs8
Experimental - Compute the absolute value of packed 8-bit signed integers
- kabs16
Experimental - Compute the absolute value of packed 16-bit signed integers
- kadd8
Experimental - Adds packed 8-bit signed numbers, saturating at the numeric bounds
- kadd16
Experimental - Adds packed 16-bit signed numbers, saturating at the numeric bounds
- kaddh
Experimental - Adds signed lower 16-bit content of two registers with Q15 saturation
- kcras16
Experimental - Cross adds and subtracts packed 16-bit signed numbers, saturating at the numeric bounds
- kcrsa16
Experimental - Cross subtracts and adds packed 16-bit signed numbers, saturating at the numeric bounds
- ksll8
Experimental - Logical left shift packed 8-bit elements, saturating at the numeric bounds
- ksll16
Experimental - Logical left shift packed 16-bit elements, saturating at the numeric bounds
- kslra8
Experimental - Logical saturating left then arithmetic right shift packed 8-bit elements
- kslra8u
Experimental - Logical saturating left then arithmetic right shift packed 8-bit elements
- kslra16
Experimental - Logical saturating left then arithmetic right shift packed 16-bit elements
- kslra16u
Experimental - Logical saturating left then arithmetic right shift packed 16-bit elements
- kstas16
Experimental - Straight adds and subtracts packed 16-bit signed numbers, saturating at the numeric bounds
- kstsa16
Experimental - Straight subtracts and adds packed 16-bit signed numbers, saturating at the numeric bounds
- ksub8
Experimental - Subtracts packed 8-bit signed numbers, saturating at the numeric bounds
- ksub16
Experimental - Subtracts packed 16-bit signed numbers, saturating at the numeric bounds
- ksubh
Experimental - Subtracts signed lower 16-bit content of two registers with Q15 saturation
- pbsad
Experimental - Calculate the sum of absolute difference of unsigned 8-bit data elements
- pbsada
Experimental - Calculate and accumulate the sum of absolute difference of unsigned 8-bit data elements
- pkbt16
Experimental - Pack two 16-bit data from bottom and top half from 32-bit chunks
- pktb16
Experimental - Pack two 16-bit data from top and bottom half from 32-bit chunks
- radd8
Experimental - Halves the sum of packed 8-bit signed numbers, dropping least bits
- radd16
Experimental - Halves the sum of packed 16-bit signed numbers, dropping least bits
- rcras16
Experimental - Cross halves of adds and subtracts packed 16-bit signed numbers, dropping least bits
- rcrsa16
Experimental - Cross halves of subtracts and adds packed 16-bit signed numbers, dropping least bits
- rstas16
Experimental - Straight halves of adds and subtracts packed 16-bit signed numbers, dropping least bits
- rstsa16
Experimental - Straight halves of subtracts and adds packed 16-bit signed numbers, dropping least bits
- rsub8
Experimental - Halves the subtraction result of packed 8-bit signed numbers, dropping least bits
- rsub16
Experimental - Halves the subtraction result of packed 16-bit signed numbers, dropping least bits
- scmple8
Experimental - Compare whether 8-bit packed signed integers are less than or equal to the others
- scmple16
Experimental - Compare whether 16-bit packed signed integers are less than or equal to the others
- scmplt8
Experimental - Compare whether 8-bit packed signed integers are less than the others
- scmplt16
Experimental - Compare whether 16-bit packed signed integers are less than the others
- sll8
Experimental - Logical left shift packed 8-bit elements, discarding overflow bits
- sll16
Experimental - Logical left shift packed 16-bit elements, discarding overflow bits
- smaqa
Experimental - Multiply signed 8-bit elements and add 16-bit elements on results for packed 32-bit chunks
- smaqasu
Experimental - Multiply signed to unsigned 8-bit and add 16-bit elements on results for packed 32-bit chunks
- smax8
Experimental - Get maximum values from 8-bit packed signed integers
- smax16
Experimental - Get maximum values from 16-bit packed signed integers
- smin8
Experimental - Get minimum values from 8-bit packed signed integers
- smin16
Experimental - Get minimum values from 16-bit packed signed integers
- sra8
Experimental - Arithmetic right shift packed 8-bit elements without rounding up
- sra8u
Experimental - Arithmetic right shift packed 8-bit elements with rounding up
- sra16
Experimental - Arithmetic right shift packed 16-bit elements without rounding up
- sra16u
Experimental - Arithmetic right shift packed 16-bit elements with rounding up
- srl8
Experimental - Logical right shift packed 8-bit elements without rounding up
- srl8u
Experimental - Logical right shift packed 8-bit elements with rounding up
- srl16
Experimental - Logical right shift packed 16-bit elements without rounding up
- srl16u
Experimental - Logical right shift packed 16-bit elements with rounding up
- stas16
Experimental - Straight adds and subtracts packed 16-bit signed numbers, discarding overflow bits
- stsa16
Experimental - Straight subtracts and adds packed 16-bit signed numbers, discarding overflow bits
- sub8
Experimental - Subtracts packed 8-bit signed numbers, discarding overflow bits
- sub16
Experimental - Subtracts packed 16-bit signed numbers, discarding overflow bits
- sunpkd810
Experimental - Unpack first and zeroth into two 16-bit signed halfwords in each 32-bit chunk
- sunpkd820
Experimental - Unpack second and zeroth into two 16-bit signed halfwords in each 32-bit chunk
- sunpkd830
Experimental - Unpack third and zeroth into two 16-bit signed halfwords in each 32-bit chunk
- sunpkd831
Experimental - Unpack third and first into two 16-bit signed halfwords in each 32-bit chunk
- sunpkd832
Experimental - Unpack third and second into two 16-bit signed halfwords in each 32-bit chunk
- swap8
Experimental - Swap the 8-bit bytes within each 16-bit halfword of a register.
- swap16
Experimental - Swap the 16-bit halfwords within each 32-bit word of a register
- ucmple8
Experimental - Compare whether 8-bit packed unsigned integers are less than or equal to the others
- ucmple16
Experimental - Compare whether 16-bit packed unsigned integers are less than or equal to the others
- ucmplt8
Experimental - Compare whether 8-bit packed unsigned integers are less than the others
- ucmplt16
Experimental - Compare whether 16-bit packed unsigned integers are less than the others
- ukadd8
Experimental - Adds packed 8-bit unsigned numbers, saturating at the numeric bounds
- ukadd16
Experimental - Adds packed 16-bit unsigned numbers, saturating at the numeric bounds
- ukaddh
Experimental - Adds signed lower 16-bit content of two registers with U16 saturation
- ukcras16
Experimental - Cross adds and subtracts packed 16-bit unsigned numbers, saturating at the numeric bounds
- ukcrsa16
Experimental - Cross subtracts and adds packed 16-bit unsigned numbers, saturating at the numeric bounds
- ukstas16
Experimental - Straight adds and subtracts packed 16-bit unsigned numbers, saturating at the numeric bounds
- ukstsa16
Experimental - Straight subtracts and adds packed 16-bit unsigned numbers, saturating at the numeric bounds
- uksub8
Experimental - Subtracts packed 8-bit unsigned numbers, saturating at the numeric bounds
- uksub16
Experimental - Subtracts packed 16-bit unsigned numbers, saturating at the numeric bounds
- uksubh
Experimental - Subtracts signed lower 16-bit content of two registers with U16 saturation
- umaqa
Experimental - Multiply unsigned 8-bit elements and add 16-bit elements on results for packed 32-bit chunks
- umax8
Experimental - Get maximum values from 8-bit packed unsigned integers
- umax16
Experimental - Get maximum values from 16-bit packed unsigned integers
- umin8
Experimental - Get minimum values from 8-bit packed unsigned integers
- umin16
Experimental - Get minimum values from 16-bit packed unsigned integers
- uradd8
Experimental - Halves the sum of packed 8-bit unsigned numbers, dropping least bits
- uradd16
Experimental - Halves the sum of packed 16-bit unsigned numbers, dropping least bits
- urcras16
Experimental - Cross halves of adds and subtracts packed 16-bit unsigned numbers, dropping least bits
- urcrsa16
Experimental - Cross halves of subtracts and adds packed 16-bit unsigned numbers, dropping least bits
- urstas16
Experimental - Straight halves of adds and subtracts packed 16-bit unsigned numbers, dropping least bits
- urstsa16
Experimental - Straight halves of subtracts and adds packed 16-bit unsigned numbers, dropping least bits
- ursub8
Experimental - Halves the subtraction result of packed 8-bit unsigned numbers, dropping least bits
- ursub16
Experimental - Halves the subtraction result of packed 16-bit unsigned numbers, dropping least bits
- zunpkd810
Experimental - Unpack first and zeroth into two 16-bit unsigned halfwords in each 32-bit chunk
- zunpkd820
Experimental - Unpack second and zeroth into two 16-bit unsigned halfwords in each 32-bit chunk
- zunpkd830
Experimental - Unpack third and zeroth into two 16-bit unsigned halfwords in each 32-bit chunk
- zunpkd831
Experimental - Unpack third and first into two 16-bit unsigned halfwords in each 32-bit chunk
- zunpkd832
Experimental - Unpack third and second into two 16-bit unsigned halfwords in each 32-bit chunk