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937
2013 Aug 22
2
New routine: FLAC__lpc_compute_autocorrelation_asm_ia32_sse_lag_16
...x
+ jz .loop_end
+ ALIGN 16
+.loop_start:
+ ; start by reading the next sample
+ movss xmm0, [eax] ; xmm0 = 0,0,0,data[sample]
+ add eax, 4
+ shufps xmm0, xmm0, 0 ; xmm0 = data[sample],data[sample],data[sample],data[sample]
+
+ ; shift xmm4:xmm3:xmm2:xmm1 left by one float
+ shufps xmm1, xmm1, 93h
+ shufps xmm2, xmm2, 93h
+ shufps xmm3, xmm3, 93h
+ shufps xmm4, xmm4, 93h
+ movss xmm4, xmm3
+ movss xmm3, xmm2
+ movss xmm2, xmm1
+ movss xmm1, xmm0
+
+ ; xmmB:xmmA:xmm6:xmm5 += xmm0:xmm0:xmm0:xmm0 * xmm4:xmm3:xmm2:xmm1
+ movaps xmm7, xmm0
+ mulps xmm7, xmm1
+ addps xmm5, xmm7
+ movaps xmm7, xmm0...