https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71270
--- Comment #2 from vekumar at gcc dot gnu.org ---
Looked at x86_64 gimple code for intrinsic_pack_1.f90.
After the SLP split we now vectorize at the place where we pass constant
arguments via a parameterstructure to _gfortran_pack call.
Before
parm.20D.3555.dtypeD.3497 = 297;
# .MEM_242 = VDEF <.MEM_241>
parm.20D.3555.dimD.3502[0].lboundD.3499 = 1;
# .MEM_243 = VDEF <.MEM_242>
parm.20D.3555.dimD.3502[0].uboundD.3500 = 9;
# .MEM_244 = VDEF <.MEM_243>
parm.20D.3555.dimD.3502[0].strideD.3498 = 1;
# .MEM_245 = VDEF <.MEM_244>
parm.20D.3555.dataD.3495 = &d_ri4D.3433[0];
# .MEM_246 = VDEF <.MEM_245>
parm.20D.3555.offsetD.3496 = -1;
After
# .MEM_243 = VDEF <.MEM_1566>
parm.20D.3555.dimD.3502[0].uboundD.3500 = 9;
# .MEM_245 = VDEF <.MEM_243>
parm.20D.3555.dataD.3495 = &d_ri4D.3433[0];
# .MEM_992 = VDEF <.MEM_245>
MEM[(integer(kind=8)D.9 *)&parm.20D.3555 + 8B] = vect_cst__993;
# PT = anything
# ALIGN = 16, MISALIGN = 8
_984 = &parm.20D.3555.offsetD.3496 + 16;
# .MEM_983 = VDEF <.MEM_992>
MEM[(integer(kind=8)D.9 *)_984] = vect_cst__999;
vect_cst__993={-1,297}
vect_cst__999={1,1}
Other places looks similar. This looks like correct gimple. I am verifying the
gimple generated for arm big endian target.
