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UM10503
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User manual
Rev. 2.1 — 10 December 2015
1383 of 1441
NXP Semiconductors
UM10503
Chapter 52: LPC43xx/LPC43Sxx ARM Cortex M0/M4 reference
Packing and
Unpacking
Pack half word top with shifted bottom
PKHTB
1
Pack half word bottom with shifted top
PKHBT
1
Extract 8-bits and sign extend to 32-bits
SXTB
1
Dual extract 8-bits and sign extend each to 16-bits
SXTB16
1
Extract 16-bits and sign extend to 32-bits
SXTH
1
Extract 8-bits and zero-extend to 32-bits
UXTB
1
Dual extract 8-bits and zero-extend to 16-bits
UXTB16
1
Extract 16-bits and zero-extend to 32-bits
UXTH
1
Extract 8-bit to 32-bit unsigned addition
UXTAB
1
Dual extracted 8-bit to 16-bit unsigned addition
UXTAB16
1
Extracted 16-bit to 32-bit unsigned addition
UXTAH
1
Extracted 8-bit to 32-bit signed addition
SXTAB
1
Dual extracted 8-bit to 16-bit signed addition
SXTAB16
1
Extracted 16-bit to 32-bit signed addition
SXTAH
1
Miscellaneous Data
Processing
Select bytes based on GE bits
SEL
1
Unsigned sum of quad 8-bit unsigned absolute difference
USAD8
1
Unsigned sum of quad 8-bit unsigned absolute difference with 32-bit
accumulate
USADA8
1
Addition
Dual 16-bit unsigned saturating addition
UQADD16
1
Quad 8-bit unsigned saturating addition
UQADD8
1
Q setting saturating add
QADD
1
Q setting dual 16-bit saturating add
QADD16
1
Q setting quad 8-bit saturating add
QADD8
1
Q setting saturating double and add
QDADD
1
GE setting quad 8-bit signed addition
SADD8
1
GE setting dual 16-bit signed addition
SADD16
1
Dual 16-bit signed addition with halved results
SHADD16
1
Quad 8-bit signed addition with halved results
SHADD8
1
GE setting dual 16-bit unsigned addition
UADD16
1
GE setting quad 8-bit unsigned addition
UADD8
1
Dual 16-bit unsigned addition with halved results
UHADD16
1
Quad 8-bit unsigned addition with halved results
UHADD8
1
Table 1176.Cortex-M4 DSP instruction set summary
Operation
Description
Assembler
Cycles