SSE2 Packed and Scalar Double-Precision Floating-Point Instructions (x86 Assembly Language Reference Manual)

x86 Assembly Language Reference Manual

SSE2 Packed and Scalar Double-Precision Floating-Point Instructions

The SSE2 packed and scalar double-precision floating-point instructions operate on double-precision floating-point operands.

SSE2 Data Movement Instructions

The SSE2 data movement instructions move double-precision floating-point data between XMM registers and memory.

Table 3–36 SSE2 Data Movement Instructions


Solaris Mnemonic	Intel/AMD Mnemonic	Description
`movapd`	`MOVAPD`	move two aligned packed double-precision floating-point values between XMM registers and memory
`movhpd`	`MOVHPD`	move high packed double-precision floating-point value to or from the high quadword of an XMM register and memory
`movlpd`	`MOVLPD`	move low packed single-precision floating-point value to or from the low quadword of an XMM register and memory
`movmskpd`	`MOVMSKPD`	extract sign mask from two packed double-precision floating-point values
`movsd`	`MOVSD`	move scalar double-precision floating-point value between XMM registers and memory.
`movupd`	`MOVUPD`	move two unaligned packed double-precision floating-point values between XMM registers and memory

SSE2 Packed Arithmetic Instructions

The SSE2 arithmetic instructions operate on packed and scalar double-precision floating-point operands.

Table 3–37 SSE2 Packed Arithmetic Instructions


Solaris Mnemonic	Intel/AMD Mnemonic	Description
`addpd`	`ADDPD`	add packed double-precision floating-point values
`addsd`	`ADDSD`	add scalar double-precision floating-point values
`divpd`	`DIVPD`	divide packed double-precision floating-point values
`divsd`	`DIVSD`	divide scalar double-precision floating-point values
`maxpd`	`MAXPD`	return maximum packed double-precision floating-point values
`maxsd`	`MAXSD`	return maximum scalar double-precision floating-point value
`minpd`	`MINPD`	return minimum packed double-precision floating-point values
`minsd`	`MINSD`	return minimum scalar double-precision floating-point value
`mulpd`	`MULPD`	multiply packed double-precision floating-point values
`mulsd`	`MULSD`	multiply scalar double-precision floating-point values
`sqrtpd`	`SQRTPD`	compute packed square roots of packed double-precision floating-point values
`sqrtsd`	`SQRTSD`	compute scalar square root of scalar double-precision floating-point value
`subpd`	`SUBPD`	subtract packed double-precision floating-point values
`subsd`	`SUBSD`	subtract scalar double-precision floating-point values

SSE2 Logical Instructions

The SSE2 logical instructions operate on packed double-precision floating-point values.

Table 3–38 SSE2 Logical Instructions


Solaris Mnemonic	Intel/AMD Mnemonic	Description
`andnpd`	`ANDNPD`	perform bitwise logical AND NOT of packed double-precision floating-point values
`andpd`	`ANDPD`	perform bitwise logical AND of packed double-precision floating-point values
`orpd`	`ORPD`	perform bitwise logical OR of packed double-precision floating-point values
`xorpd`	`XORPD`	perform bitwise logical XOR of packed double-precision floating-point values

SSE2 Compare Instructions

The SSE2 compare instructions compare packed and scalar double-precision floating-point values and return the results of the comparison to either the destination operand or to the EFLAGS register.

Table 3–39 SSE2 Compare Instructions


Solaris Mnemonic	Intel/AMD Mnemonic	Description
`cmppd`	`CMPPD`	compare packed double-precision floating-point values
`cmpsd`	`CMPSD`	compare scalar double-precision floating-point values
`comisd`	`COMISD`	perform ordered comparison of scalar double-precision floating-point values and set flags in EFLAGS register
`ucomisd`	`UCOMISD`	perform unordered comparison of scalar double-precision floating-point values and set flags in EFLAGS register

SSE2 Shuffle and Unpack Instructions

The SSE2 shuffle and unpack instructions operate on packed double-precision floating-point operands.

Table 3–40 SSE2 Shuffle and Unpack Instructions


Solaris Mnemonic	Intel/AMD Mnemonic	Description
`shufpd`	`SHUFPD`	shuffle values in packed double-precision floating-point operands
`unpckhpd`	`UNPCKHPD`	unpack and interleave the high values from two packed double-precision floating-point operands
`unpcklpd`	`UNPCKLPD`	unpack and interleave the low values from two packed double-precision floating-point operands

SSE2 Conversion Instructions

The SSE2 conversion instructions convert packed and individual doubleword integers into packed and scalar double-precision floating-point values (and vice versa). These instructions also convert between packed and scalar single-precision and double-precision floating-point values.

Table 3–41 SSE2 Conversion Instructions


Solaris Mnemonic	Intel/AMD Mnemonic	Description
`cvtdq2pd`	`CVTDQ2PD`	convert packed doubleword integers to packed double-precision floating-point values
`cvtpd2dq`	`CVTPD2DQ`	convert packed double-precision floating-point values to packed doubleword integers
`cvtpd2pi`	`CVTPD2PI`	convert packed double-precision floating-point values to packed doubleword integers
`cvtpd2ps`	`CVTPD2PS`	convert packed double-precision floating-point values to packed single-precision floating-point values
`cvtpi2pd`	`CVTPI2PD`	convert packed doubleword integers to packed double-precision floating-point values
`cvtps2pd`	`CVTPS2PD`	convert packed single-precision floating-point values to packed double-precision floating-point values
`cvtsd2si`	`CVTSD2SI`	convert scalar double-precision floating-point values to a doubleword integer
`cvtsd2ss`	`CVTSD2SS`	convert scalar double-precision floating-point values to scalar single-precision floating-point values
`cvtsi2sd`	`CVTSI2SD`	convert doubleword integer to scalar double-precision floating-point value
`cvtss2sd`	`CVTSS2SD`	convert scalar single-precision floating-point values to scalar double-precision floating-point values
`cvttpd2dq`	`CVTTPD2DQ`	convert with truncation packed double-precision floating-point values to packed doubleword integers
`cvttpd2pi`	`CVTTPD2PI`	convert with truncation packed double-precision floating-point values to packed doubleword integers
`cvttsd2si`	`CVTTSD2SI`	convert with truncation scalar double-precision floating-point values to scalar doubleword integers