SSE-accelerated strcmpeq implementation

gistfile1.txt

global strcmpeq
strcmpeq:
	xor 			rax, rax
	xor 			rdx, rdx

.loop:
  movdqu 		xmm1, [rdi + rdx]
	pcmpistri xmm1, [rsi + rdx], 0x18	; EQUAL_EACH | NEGATIVE_POLARITY
	jc 				.diff
	jz 				.equal
	add 			rdx, 16
	jmp 			.loop

.equal:
  inc 			eax
.diff:
  ret