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237380cdec
Evaluate the BACK argument of MINLOC/MAXLOC once before the scalarization loops in the case where the DIM argument is present. This is a follow-up to r15-1994-ga55d24b3cf7f4d07492bb8e6fcee557175b47ea3 which added knowledge of BACK to the scalarizer, to r15-2701-ga10436a8404ad2f0cc5aa4d6a0cc850abe5ef49e which removed it to handle it out of scalarization instead, and to more immediate previous patches that added inlining support for MINLOC/MAXLOC with DIM. The inlining support for MINLOC/MAXLOC with DIM introduced nested loops, which made the evaluation of BACK (removed from the scalarizer knowledge by the forementionned commit) wrapped in a loop, so possibly executed more than once. This change adds BACK to the scalarization chain if MINLOC/MAXLOC will use nested loops, so that it is evaluated by the scalarizer only once before the outermost loop in that case. PR fortran/90608 gcc/fortran/ChangeLog: * trans-intrinsic.cc (walk_inline_intrinsic_minmaxloc): Add a scalar element for BACK as first item of the chain if BACK is present and there will be nested loops. (gfc_conv_intrinsic_minmaxloc): Evaluate BACK using an inherited scalarization chain if there is a nested loop. gcc/testsuite/ChangeLog: * gfortran.dg/maxloc_8.f90: New test. * gfortran.dg/minloc_9.f90: New test. |
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