See summary table in Summary of Memory and Initialization topic.
__m128
_mm_set_ss(float w )
Sets the low word of an SP FP value to w
and clears the upper three words.
r0 := w
r1 := r2
:= r3 := 0.0
__m128
_mm_set1_ps(float w )
or
__m128
_mm_set_ps1(float w )
Sets the four SP FP values to w.
r0 := r1
:= r2 := r3 := w
__m128
_mm_set_ps(float z,
float y,
float x,
float w )
Sets the four SP FP values to the four inputs.
r0 := w
r1 := x
r2 := y
r3 := z
__m128
_mm_setr_ps(float z,
float y,
float x,
float w )
Sets the four SP FP values to the four inputs in reverse order.
r0 := z
r1 := y
r2 := x
r3 := w
__m128 _mm_setzero_ps(void)
Clears the four SP FP values.
r0 := r1
:= r2 := r3 := 0.0