Integer operations

 

libsimdpp

Types

Capabilities

Operations

Conversions

Bitwise operations

Floating-point operations

Integer operations

Memory access operations

Shuffle operations

Miscellaneous operations

 

Integer operations

Elementary operations
add add_sat	sub sub_sat	mul_lo mul_hi mull	neg
Comparisons
cmp_eq cmp_neq	cmp_lt cmp_gt	cmp_le cmp_ge
Reduction
reduce_add reduce_mul reduce_min reduce_max	reduce_and reduce_or reduce_popcnt
Miscellaneous
abs avg avg_trunc	min max	popcnt
shift_l(scalar) shift_l(vector)	shift_r(scalar) shift_r(vector)

 

The following simple operations for integer computations are provided.

Elementary operations
add	performs addition (function template)
add_sat	performs saturated addition (function template)
sub	performs subtraction (function template)
sub_sat	performs saturated subtration (function template)
mul_lo	performs multiplication, returns lower half of the result (function template)
mul_hi	performs multiplication, returns higher half of the result (function template)
mull	performs multiplication, extends element width (function template)
neg	performs negation (function template)
Comparisons
cmp_eq	compares vector elements for equality (function template)
cmp_neq	compares vector elements for inequality (function template)
cmp_lt	compares vector elements for less than (function template)
cmp_gt	compares vector elements for greater than (function template)
cmp_le	compares vector elements for less than or equal (function template)
cmp_ge	compares vector elements for greater than or equal (function template)
Reduction
reduce_add	computes the sum of all elements in the vector (function template)
reduce_mul	computes the product of all elements in the vector (function template)
reduce_min	computes the minimum of all elements in the vector (function template)
reduce_max	computes the maximum of all elements in the vector (function template)
reduce_and	computes bitwise AND of all elements in the vector (function template)
reduce_or	computes bitwise OR of all elements in the vector (function template)
reduce_popcnt	computes the sum of set bits in all elements in the vector (function template)
Miscellaneous
abs	computes absolute value (function template)
avg	computes rounded average (function template)
avg_trunc	computes truncated average (function template)
min	selects minimum values (function template)
max	selects maximum values (function template)
shift_l(scalar)	performs left shift by scalar (function template)
shift_l(vector)	performs left shift by vector (function template)
shift_r(scalar)	performs right shift by scalar (function template)
shift_r(vector)	performs right shift by vector (function template)
popcnt	computes the number of set bits (function template)