search for: xmm_mem_1

...d, -0xXX(%rbp), %xmm2 ## xmm2 = mem[3,0,1,2] > ... > vinsertps $0xc0, %xmm4, %xmm2, %xmm2 ## xmm2 = xmm4[3],xmm2[1,2,3] > > Note that the second version does the shuffle in-place, in xmm2. > > > Some are blends (har har) of those two: > vpermilps $-0x6d, %xmm_mem_1, %xmm6 ## xmm6 = xmm_mem_1[3,0,1,2] > vpermilps $-0x6d, -0xXX(%rax), %xmm1 ## xmm1 = mem_2[3,0,1,2] > vblendps $0x1, %xmm1, %xmm6, %xmm0 ## xmm0 = xmm1[0],xmm6[1,2,3] > becomes: > vmovaps -0xXX(%rax), %xmm0 ## %xmm0 = mem_2[0,1,2,3] > vpermilps $-0x...

...; vinsertps $0xc0, %xmm4, %xmm2, %xmm2 ## xmm2 = >>> xmm4[3],xmm2[1,2,3] >>> >>> Note that the second version does the shuffle in-place, in xmm2. >>> >>> >>> Some are blends (har har) of those two: >>> vpermilps $-0x6d, %xmm_mem_1, %xmm6 ## xmm6 = xmm_mem_1[3,0,1,2] >>> vpermilps $-0x6d, -0xXX(%rax), %xmm1 ## xmm1 = mem_2[3,0,1,2] >>> vblendps $0x1, %xmm1, %xmm6, %xmm0 ## xmm0 = xmm1[0],xmm6[1,2,3] >>> becomes: >>> vmovaps -0xXX(%rax), %xmm0 ## %xmm0 = mem_2[0,1,...

...mem[3,0,1,2] >> ... >> vinsertps $0xc0, %xmm4, %xmm2, %xmm2 ## xmm2 = xmm4[3],xmm2[1,2,3] >> >> Note that the second version does the shuffle in-place, in xmm2. >> >> >> Some are blends (har har) of those two: >> vpermilps $-0x6d, %xmm_mem_1, %xmm6 ## xmm6 = xmm_mem_1[3,0,1,2] >> vpermilps $-0x6d, -0xXX(%rax), %xmm1 ## xmm1 = mem_2[3,0,1,2] >> vblendps $0x1, %xmm1, %xmm6, %xmm0 ## xmm0 = xmm1[0],xmm6[1,2,3] >> becomes: >> vmovaps -0xXX(%rax), %xmm0 ## %xmm0 = mem_2[0,1,2,3] >>...

...xmm4, %xmm2, %xmm2 ## xmm2 = >>>> xmm4[3],xmm2[1,2,3] >>>> >>>> Note that the second version does the shuffle in-place, in xmm2. >>>> >>>> >>>> Some are blends (har har) of those two: >>>> vpermilps $-0x6d, %xmm_mem_1, %xmm6 ## xmm6 = xmm_mem_1[3,0,1,2] >>>> vpermilps $-0x6d, -0xXX(%rax), %xmm1 ## xmm1 = mem_2[3,0,1,2] >>>> vblendps $0x1, %xmm1, %xmm6, %xmm0 ## xmm0 = >>>> xmm1[0],xmm6[1,2,3] >>>> becomes: >>>> vmovaps -0xXX(%...

Greetings LLVM hackers and x86 vector shufflers! I would like to flip on another chunk of the new vector shuffling, specifically the logic to mark ~all shuffles as "legal". This can be tested today with the flag "-x86-experimental-vector-shuffle-legality". I would essentially like to make this the default (by removing the "false" path). Doing this will allow me to