Set Operations for Streaming SIMD Extensions 2

The set operation intrinsics for the PentiumŪ 4 processor are listed in the following table followed by their descriptions.

Intrinsic Corresponding Instruction

_mm_set_epi64

Composite

_mm_set_epi32

Composite

_mm_set_epi16

Composite

_mm_set_epi8

Composite

_mm_set1_epi64

Composite

_mm_set1_epi32

Composite

_mm_set1_epi16

Composite

_mm_set1_epi8

Composite

_mm_setr_epi64

Composite

_mm_setr_epi32

Composite

_mm_setr_epi16

Composite

_mm_setr_epi8

Composite

_mm_setzero_si128

PXOR

 

__m128i _mm_set_epi64 (__m64 q1, __m64 q0)

Sets the 2 64-bit integer values.

r0 := q0

r1 := q1

 

__m128i _mm_set_epi32 (int i3, int i2, int i1, int i0)

Sets the 4 signed 32-bit integer values.

r0 := i0

r1 := i1

r2 := i2

r3 := i3

 

__m128i _mm_set_epi16 (short w7, short w6,

short w5, short w4,

short w3, short w2,

short w1, short w0)

Sets the 8 signed 16-bit integer values.

r0 := w0

r1 := w1

...

r7 := w7

 

__m128i _mm_set_epi8 (char b15, char b14,

char b13, char b12,

char b11, char b10,

char b9, char b8,

char b7, char b6,

char b5, char b4,

char b3, char b2,

char b1, char b0)

Sets the 16 signed 8-bit integer values.

r0 := b0

r1 := b1

...

r15 := b15

 

__m128i _mm_set1_epi64 (__m64 q)

Sets the 2 64-bit integer values to q.

r0 := q

r1 := q

 

__m128i _mm_set1_epi32 (int i)

Sets the 4 signed 32-bit integer values to i.

r0 := i

r1 := i

r2 := i

r3 := i

 

__m128i _mm_set1_epi16 (short w)

Sets the 8 signed 16-bit integer values to w.

r0 := w

r1 := w

...

r7 := w

 

__m128i _mm_set1_epi8 (char b)

Sets the 16 signed 8-bit integer values to b.

r0 := b

r1 := b

...

r15 := b

 

__m128i _mm_setr_epi64 (__m64 q0, __m64 q1)

Sets the 2 64-bit integer values in reverse order.

r0 := q0

r1 := q1

 

__m128i _mm_setr_epi32 (int i0, int i1,

int i2, int i3)

Sets the 4 signed 32-bit integer values in reverse order.

r0 := i0

r1 := i1

r2 := i2

r3 := i3

 

__m128i _mm_setr_epi16 (short w0, short w1,

short w2, short w3,

short w4, short w5,

short w6, short w7)

Sets the 8 signed 16-bit integer values in reverse order.

r0 := w0

r1 := w1

...

r7 := w7

 

__m128i _mm_setr_epi8 (char b0, char b1,

char b2, char b3,

char b4, char b5,

char b6, char b7,

char b8, char b9,

char b10, char b11,

char b12, char b13,

char b14, char b15)

Sets the 16 signed 8-bit integer values in reverse order.

r0 := b0

r1 := b1

...

r15 := b15

 

__m128i _mm_setzero_si128 ()

Sets the 128-bit value to zero.

r := 0x0