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    SECTION .bss
align 64
    %assign size 4000h
    src1:       resb size
    src1_end:
    src2:       resb size
    src2_end:
    dst:        resb size
    dst_end:
 
    SECTION .text
    global _start
 
_start:
    vzeroupper
    vxorps      ymm2, ymm2, ymm2
    mov         rcx, 7031250 ; 3.6GHz -> 1 sec/clock
 
.L1:
    mov         rax, -size
 
align 16
.L2:
    %assign unroll 1
    %assign i 0
 
    %rep unroll
 
    vmovaps     ymm1, [i+src1_end+rax]
    vfmadd231ps ymm1, ymm2, [i+src2_end+rax]
    vmovaps     [i+dst_end+rax], ymm1
 
    %assign i i+32
    %endrep
 
    add         rax, 32*unroll
    jne         .L2
 
    dec         rcx
    jne         .L1
 
_exit:
    vzeroupper
    mov rax, 60
    mov rdi, 0
    syscall
 

prog.asm:34: error: impossible combination of address sizes
prog.asm:34: error: invalid effective address
prog.asm:34: error: impossible combination of address sizes
prog.asm:34: error: invalid effective address
prog.asm:34: error: impossible combination of address sizes
prog.asm:34: error: invalid effective address

Standard output is empty