Old:

0000000000000ab0 <ff_emu_edge_hfix8_mmx>:
 ab0:	46 0f b6 14 01       	movzbl (%rcx,%r8,1),%r10d
 ab5:	45 69 d2 01 01 01 01 	imul   $0x1010101,%r10d,%r10d
 abc:	41 0f 6e c2          	movd   %r10d,%mm0
 ac0:	0f 62 c0             	punpckldq %mm0,%mm0
 ac3:	0f 7f 01             	movq   %mm0,(%rcx)
 ac6:	48 01 d1             	add    %rdx,%rcx
 ac9:	49 ff c9             	dec    %r9
 acc:	75 e2                	jne    ab0 <ff_emu_edge_hfix8_mmx>
 ace:	f3 c3                	repz retq

0000000000000b60 <ff_emu_edge_hfix16_sse2>:
 b60:	46 0f b6 14 01       	movzbl (%rcx,%r8,1),%r10d
 b65:	45 69 d2 01 01 01 01 	imul   $0x1010101,%r10d,%r10d
 b6c:	66 41 0f 6e c2       	movd   %r10d,%xmm0
 b71:	66 0f 70 c0 00       	pshufd $0x0,%xmm0,%xmm0
 b76:	f3 0f 7f 01          	movdqu %xmm0,(%rcx)
 b7a:	48 01 d1             	add    %rdx,%rcx
 b7d:	49 ff c9             	dec    %r9
 b80:	75 de                	jne    b60 <ff_emu_edge_hfix16_sse2>
 b82:	f3 c3                	repz retq

New:

0000000000000b00 <ff_emu_edge_hfix8_mmxext>:
 b00:	42 0f 6e 44 01 fd    	movd   -0x3(%rcx,%r8,1),%mm0
 b06:	0f 60 c0             	punpcklbw %mm0,%mm0
 b09:	0f 70 c0 ff          	pshufw $0xff,%mm0,%mm0
 b0d:	0f 7f 01             	movq   %mm0,(%rcx)
 b10:	48 01 d1             	add    %rdx,%rcx
 b13:	49 ff c9             	dec    %r9
 b16:	75 e8                	jne    b00 <ff_emu_edge_hfix8_mmxext>
 b18:	f3 c3                	repz retq

0000000000000b80 <ff_emu_edge_hfix16_sse2>:
 b80:	66 42 0f 6e 44 01 fd 	movd   -0x3(%rcx,%r8,1),%xmm0
 b87:	66 0f 60 c0          	punpcklbw %xmm0,%xmm0
 b8b:	f2 0f 70 c0 ff       	pshuflw $0xff,%xmm0,%xmm0
 b90:	66 0f 6c c0          	punpcklqdq %xmm0,%xmm0
 b94:	f3 0f 7f 01          	movdqu %xmm0,(%rcx)
 b98:	48 01 d1             	add    %rdx,%rcx
 b9b:	49 ff c9             	dec    %r9
 b9e:	75 e0                	jne    b80 <ff_emu_edge_hfix16_sse2>
 ba0:	f3 c3                	repz retq

0000000000000d40 <ff_emu_edge_hfix16_ssse3>:
 d40:	66 0f 6f 0d 00 00 00 	movdqa 0x0(%rip),%xmm1        # d48 <ff_emu_edge_hfix16_ssse3.loop_y>
0000000000000d48 <ff_emu_edge_hfix16_ssse3.loop_y>:
 d48:	66 42 0f 6e 44 01 fd 	movd   -0x3(%rcx,%r8,1),%xmm0
 d4f:	66 0f 38 00 c1       	pshufb %xmm1,%xmm0
 d54:	f3 0f 7f 01          	movdqu %xmm0,(%rcx)
 d58:	48 01 d1             	add    %rdx,%rcx
 d5b:	49 ff c9             	dec    %r9
 d5e:	75 e8                	jne    d48 <ff_emu_edge_hfix16_ssse3.loop_y>
 d60:	c3                   	retq