PowerISA Instructions

1187 instructions - showing 87 per page, page 12 of 12 - click any row to view encoding, pseudocode, and full documentation.

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xviexpdp xviexpdp XT,XA,XB XX3-form VSX Inserts the exponent from one vector register into another for double-precision floating-point numbers.
xvmaddadp xvmaddadp XT, XA, XB XX3-form VSX Performs a double-precision floating-point multiply-add operation on vector elements.
xvmaddasp xvmaddasp XT,XA,XB XX3-form VSX Performs a single-precision floating-point multiply-add operation on vector elements.
xvmaxdp xvmaxdp XT, XA, XB XX3-form VSX Compares two double-precision floating-point values and selects the maximum value for each element.
xvmaxsp xvmaxsp XT, XA, XB XX3-form VSX Computes the maximum of corresponding single-precision floating-point elements in two vector registers and stores the result in a third vector register.
xvmindp xvmindp XT, XA, XB XX3-form VSX Compares two double-precision floating-point values and selects the minimum value for each element.
xvminsp xvminsp XT, XA, XB XX3-form VSX Performs a minimum operation on single-precision floating-point values from two vector scalar registers and stores the result in another vector scalar register.
xvmsubadp xvmsubadp XT,XA,XB XX3-form VSX Performs a double-precision floating-point multiply-subtract operation on vector elements.
xvmsubasp xvmsubasp XT,XA,XB XX3-form VSX Performs a vector multiply-subtract operation on single-precision floating-point values.
xvmsubmdp xvmsubmdp VRT, VRA, VRB, VRC XX3-form VSX Multiplies corresponding double-precision floating-point elements of two VSX registers, subtracts the corresponding element of a third register, and stores the results, using the Type-M (multiplicand) form.
xvmuldp xvmuldp XT, XA, XB XX3-form VSX Multiplies two double-precision floating-point numbers in vector registers and stores the result.
xvmulsp xvmulsp XT, XA, XB XX3-form VSX Multiplies the contents of two single-precision floating-point values and places the result into a vector register.
xvnabsdp xvnabsdp XT,XB XX2-form VSX Computes the negative absolute value of each double-precision floating-point element in a vector.
xvnegdp xvnegdp XT, XB XX2-form VSX Negates the contents of a double-precision floating-point vector register and stores the result in another vector register.
xvnegsp xvnegsp XT, XB XX2-form VSX Negates the contents of a single-precision floating-point register.
xvnmaddadp xvnmaddadp XT,XA,XB XX3-form VSX Performs a negative multiply-add operation on double-precision floating-point elements.
xvnmaddasp xvnmaddasp XT,XA,XB XX3-form VSX Performs a negative multiply-add operation on single-precision floating-point elements.
xvnmaddmsp xvnmaddmsp XT,XA,XB XX3-form VSX Performs a vector single-precision floating-point negative multiply-add operation (Type-M), computing the negation of (XB * XT + XA) for each single-precision element.
xvnmsubadp xvnmsubadp XT,XA,XB XX3-form VSX Performs a negative multiply-subtract operation on double-precision floating-point elements.
xvnmsubasp xvnmsubasp XT,XA,XB XX3-form VSX Performs a negative multiply-subtract operation on single-precision floating-point elements.
xvnmsubmdp xvnmsubmdp VRT, VRA, VRB, VRC XX3-form VSX Performs a negative multiply-subtract operation on double-precision floating-point values.
xvrdpi xvrdpi XT,XB XX2-form VSX Rounds each element of a double-precision floating-point vector to the nearest integer away from zero.
xvrdpic xvrdpic XT,XB XX2-form VSX Rounds each double-precision floating-point element of a vector to an integer using the current rounding mode.
xvrdpim xvrdpim XT,XB XX2-form VSX Rounds the contents of a vector register towards negative infinity and stores the result in another vector register.
xvrdpiz xvrdpiz XT,XB XX2-form VSX Rounds each double-precision floating-point element in a vector towards zero and stores the result as an integer.
xvredp xvredp XT,XB XX2-form VSX A double-precision floating-point estimate of the reciprocal of src is placed into doubleword element i of VSR[XT] in double-precision format.
xvresp xvresp XT,XB XX2-form VSX Estimates the reciprocal of single-precision floating-point values in a vector.
xvrspi xvrspi XT,XB XX2-form VSX Rounds each element of a vector from single-precision floating-point format to an integer using round to Nearest Away.
xvrspic xvrspic XT,XB XX2-form VSX Rounds each single-precision floating-point element of a vector to an integer using the current rounding mode.
xvrspim xvrspim XT,XB XX2-form VSX Rounds each element of a vector from single-precision floating-point format to integer format, rounding towards negative infinity.
xvrspiz xvrspiz XT,XB XX2-form VSX Rounds each single-precision floating-point element of a vector towards zero and stores the result in another vector.
xvrsqrtedp xvrsqrtedp XT,XB XX2-form VSX Estimates the reciprocal square root of double-precision floating-point values in vector registers.
xvrsqrtesp xvrsqrtesp XT,XB XX2-form VSX Estimates the reciprocal square root of single-precision floating-point values in a vector.
xvsqrtdp xvsqrtdp XT, XB XX2-form VSX Computes the square root of each double-precision floating-point element in a vector.
xvsqrtsp xvsqrtsp XT, XB XX2-form VSX Computes the square root of each single-precision floating-point element in a vector.
xvsubdp xvsubdp XT, XA, XB XX3-form VSX Subtracts the contents of two vector registers and places the result in a target vector register.
xvsubsp xvsubsp XT, XA, XB XX3-form VSX Subtracts the contents of two vector registers and places the result in another vector register.
xvtdivdp xvtdivdp BF,XA,XB XX3-form VSX Performs a double-precision floating-point division on vector elements and sets condition flags based on the results.
xvtdivsp xvtdivsp BF,XA,XB XX3-form VSX Performs a vectorized single-precision floating-point division test.
xvtlsbb xvtlsbb BF,XB XX2-form VSX Tests the least-significant bit of each byte in a VSX vector register and sets a condition register field based on the results.
xvtsqrtdp xvtsqrtdp BF,XB XX2-form VSX Tests the double-precision floating-point operands in VSR[XB] and sets condition register field BF based on certain conditions.
xvtsqrtsp xvtsqrtsp BF,XB XX2-form VSX Tests each element of a vector for conditions related to square root operations.
xvtstdcdp xvtstdcdp XT,XB,DCMX XX2-form VSX Tests each double-precision floating-point element in a vector against specified data classes and sets the corresponding elements in another vector to either all ones or all zeros based on the match.
xvtstdcsp xvtstdcsp XT,XB,DCMX XX2-form VSX Tests each single-precision floating-point element in a vector against specified data classes and sets the corresponding elements in another vector based on the match.
xvxexpdp xvxexpdp XT,XB XX2-form VSX Extracts the exponent from each double-precision floating-point value in a vector and places it into another vector.
xvxsigdp xvxsigdp XT,XB XX2-form VSX Extracts the significand of double-precision floating-point values from a vector register and places them into another vector register.
xxblendvb xxblendvb XT, XA, XB, XC XX4-form VSX Selects bytes from XA or XB based on the MSB of bytes in XC.
xxblendvd xxblendvd XT, XA, XB, XC XX4-form VSX Selects doublewords from XA or XB based on the MSB of doublewords in XC.
xxblendvh xxblendvh XT, XA, XB, XC XX4-form VSX Selects halfwords from XA or XB based on the MSB of halfwords in XC.
xxblendvw xxblendvw XT, XA, XB, XC XX4-form VSX Selects words from XA or XB based on the MSB of words in XC.
xxbrd xxbrd XT,XB XX-form VSX Reverses the bytes of each doubleword element in a vector register.
xxbrh xxbrh XT,XB XX2-form VSX Reverses the bytes of each halfword in a vector register.
xxbrw xxbrw XT,XB XX2-form VSX Reverses the bytes of each word in a vector register.
xxeval xxeval XT, XA, XB, XC, IMM 8RR:XX4-form VSX Performs an arbitrary 3-input boolean logic function (LUT3) on vectors. The 8-bit immediate 'IMM' defines the truth table.
xxextractuw xxextractuw RT, XS, UIM XX2-form VSX Extracts an unsigned word from a vector register and places it into another vector register.
xxgenpcvbm xxgenpcvbm XT, XB, IMM XX2-form VSX Generates a permute control vector based on the byte mask in VSR[VRB+32].
xxgenpcvdm xxgenpcvdm XT, XB, IMM XX2-form VSX Generates a permute control vector (PCV) based on the doubleword mask in VSR[VRB+32] and stores it in VSR[XT].
xxgenpcvhm xxgenpcvhm XT, XB, IMM XX2-form VSX Generates a permute control vector (PCV) based on the halfword mask in VSR[VRB+32].
xxgenpcvwm xxgenpcvwm XT, XB, IMM XX2-form VSX Generates a permute control vector (PCV) based on the word mask in VSR[VRB+32] and stores it in VSR[XT].
xxinsertw xxinsertw XT, RB, UIM XX2-form VSX Inserts a 32-bit word from a GPR into a specific element of a VSR.
xxland xxland XT, XA, XB XX3-form VSX Performs a bitwise AND operation on the contents of two vector registers and stores the result in another vector register.
xxlandc xxlandc XT, XA, XB XX3-form VSX vD = vA & ~vB
xxleqv xxleqv XT, XA, XB XX3-form VSX vD = ~(vA ^ vB) (XNOR)
xxlnand xxlnand XT, XA, XB XX3-form VSX vD = ~(vA & vB)
xxlnor xxlnor XT, XA, XB XX3-form VSX Performs a logical NOR operation on the contents of two VSX registers and stores the result in another VSX register.
xxlor xxlor XT, XA, XB XX3-form VSX Bitwise OR.
xxlorc xxlorc XT, XA, XB XX3-form VSX vD = vA | ~vB
xxlxor xxlxor XT, XA, XB XX3-form VSX Bitwise XOR.
xxmfacc xxmfacc AT X-form MMA Copies data from an Accumulator back to 4 adjacent VSRs.
xxmrghd xxmrghd XT, XA, XB XX3-form VSX Merges high doublewords from XA and XB.
xxmrghw xxmrghw XT, XA, XB XX3-form VSX Merges the high words of two VSX registers into a target VSX register.
xxmrgld xxmrgld XT, XA, XB XX3-form VSX Merges low doublewords from XA and XB.
xxmrglw xxmrglw XT, XA, XB XX3-form VSX Merges low words from two VSRs.
xxmtacc xxmtacc AT X-form MMA Copies data from 4 adjacent VSRs into an Accumulator.
xxperm xxperm XT, XA, XB, XC XX4-form VSX Performs a vector permute operation on the contents of three VSX registers.
xxpermdi xxpermdi XT, XA, XB, DM XX3-form VSX Selects two doublewords from the four available in source registers XA and XB based on a 2-bit selector.
xxpermr xxpermr XT, XA, XB, XC XX4-form VSX Little-endian optimized permute.
xxpermx xxpermx XT, XA, XB, XC, UIM XX4-form VSX Permutes bytes from two source vectors using a control vector and a 3-bit selector.
xxsel xxsel XT, XA, XB, XC XX4-form VSX Selects elements from two source vectors based on a mask vector.
xxsetaccz xxsetaccz AT X-form MMA Clears a 512-bit Accumulator register (composed of 4 VSRs) to zero.
xxsldwi xxsldwi XT,XA,XB,SHW XX3-form VSX Shifts the contents of two vector registers left by a specified number of words and places the result into another vector register.
xxsplti32dx xxsplti32dx XT, IX, IMM 8RR:D-form VSX Splats a 32-bit immediate into a doubleword index.
xxspltib xxspltib XT, IMM X-form VSX Copies an immediate byte value into each byte element of a vector register.
xxspltidp xxspltidp XT, IMM 8RR:D-form VSX Spatially duplicates a 32-bit immediate (converted to double) into both double elements.
xxspltiw xxspltiw XT, IMM 8RR:D-form VSX Spatially duplicates a 32-bit immediate into all 4 words of the target.
xxspltw xxspltw XT, XS, UIM XX2-form VSX Replicates a word element from one vector register into all elements of another vector register.
xxswapd xxswapd XT, XB XX2-form VSX Swaps the two doublewords in the register.