This commit is contained in:
fares
2019-11-25 02:52:22 -05:00
76 changed files with 386716 additions and 14 deletions

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.type vx_vec_test, @function
.global vx_vec_test
vx_vec_test:
# vector-vector add routine of 32-bit integers
# void vvaddint32(size_t n, const int*x, const int*y, int*z)
# { for (size_t i=0; i<n; i++) { z[i]=x[i]+y[i]; } }
#
# a0 = n, a1 = x, a2 = y, a3 = z
# Non-vector instructions are indented
vsetvli t0, a0, e32 # Set vector length based on 32-bit vectors
loop:
vlw.v v0, (a1) # Get first vector
sub a0, a0, t0 # Decrement number done
slli t0, t0, 2 # Multiply number done by 4 bytes
add a1, a1, t0 # Bump pointer
vlw.v v1, (a2) # Get second vector
add a2, a2, t0 # Bump pointer
vadd.vv v2, v0, v1 # Sum vectors
vsw.v v2, (a3) # Store result
add a3, a3, t0 # Bump pointer
bnez a0, loop # Loop back
ret # Finished