[llvm-bugs] [Bug 46621] [X86][AVX] Avoid vpsrlq $32, %xmm, %xmm split in v4u64 uint2fp v4f64

[via llvm-bugs]

https://bugs.llvm.org/show_bug.cgi?id=46621

Simon Pilgrim <llvm-dev at redking.me.uk> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|---                         |FIXED
 Fixed By Commit(s)|                            |fb1d61b7257ccd5ba0c96bcea78
                   |                            |d6516384ce5b6

--- Comment #1 from Simon Pilgrim <llvm-dev at redking.me.uk> ---
https://godbolt.org/z/4docGfYEK

Fixed at rGfb1d61b7257ccd5ba0c96bcea78d6516384ce5b6

cvt_v4u64_v4f64:
  vxorps %xmm1, %xmm1, %xmm1
  vblendps $170, %ymm1, %ymm0, %ymm2 # ymm2 =
ymm0[0],ymm1[1],ymm0[2],ymm1[3],ymm0[4],ymm1[5],ymm0[6],ymm1[7]
  vshufps $221, %ymm1, %ymm0, %ymm0 # ymm0 =
ymm0[1,3],ymm1[1,3],ymm0[5,7],ymm1[5,7]
  vorps .LCPI0_0(%rip), %ymm2, %ymm2
  vpermilps $216, %ymm0, %ymm0 # ymm0 = ymm0[0,2,1,3,4,6,5,7]
  vorps .LCPI0_1(%rip), %ymm0, %ymm0
  vsubpd .LCPI0_2(%rip), %ymm0, %ymm0
  vaddpd %ymm0, %ymm2, %ymm0
  retq

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