From f600f271b10d0214b111f2aa52a3d5740477e139 Mon Sep 17 00:00:00 2001 From: Tobias Burnus Date: Fri, 19 Feb 2021 10:42:15 +0100 Subject: [PATCH] Fortran: Fix ubound simplifcation [PR99027] gcc/fortran/ChangeLog: PR fortran/99027 * simplify.c (simplify_bound_dim): Honor DIMEN_ELEMENT when using dim=. gcc/testsuite/ChangeLog: PR fortran/99027 * gfortran.dg/ubound_1.f90: New test. --- gcc/fortran/simplify.c | 12 +++++++++++- gcc/testsuite/gfortran.dg/ubound_1.f90 | 22 ++++++++++++++++++++++ 2 files changed, 33 insertions(+), 1 deletion(-) create mode 100644 gcc/testsuite/gfortran.dg/ubound_1.f90 diff --git a/gcc/fortran/simplify.c b/gcc/fortran/simplify.c index 23317a2e2d9..35f267db588 100644 --- a/gcc/fortran/simplify.c +++ b/gcc/fortran/simplify.c @@ -4168,7 +4168,17 @@ simplify_bound_dim (gfc_expr *array, gfc_expr *kind, int d, int upper, { if (upper) { - if (!gfc_ref_dimen_size (&ref->u.ar, d - 1, &result->value.integer, NULL)) + int d2 = 0, cnt = 0; + for (int idx = 0; idx < ref->u.ar.dimen; ++idx) + { + if (ref->u.ar.dimen_type[idx] == DIMEN_ELEMENT) + d2++; + else if (cnt < d - 1) + cnt++; + else + break; + } + if (!gfc_ref_dimen_size (&ref->u.ar, d2 + d - 1, &result->value.integer, NULL)) goto returnNull; } else diff --git a/gcc/testsuite/gfortran.dg/ubound_1.f90 b/gcc/testsuite/gfortran.dg/ubound_1.f90 new file mode 100644 index 00000000000..7c588b026e1 --- /dev/null +++ b/gcc/testsuite/gfortran.dg/ubound_1.f90 @@ -0,0 +1,22 @@ +! { dg-do run } +! +! PR fortran/99027 +! + program test + integer, dimension (1:3,1:6) :: array + integer, dimension (2:5,3:7,4:9,-4:2) :: array2 + + if (any ([4] /= ubound (array (1, 1:4)))) stop 1 + if (4 /= ubound (array (1, 1:4), dim=1)) stop 2 + + if (any (ubound (array2 (3,3,4,:)) /= [4+1+2])) stop 3 + if ( ubound (array2 (3,3,4,:), dim=1) /= 4+1+2 ) stop 4 + + if (any (ubound (array2 (3,:,4,:)) /= [7-3+1, 4+1+2])) stop 5 + if ( ubound (array2 (3,:,4,:), dim=1) /= 7-3+1 ) stop 6 + if ( ubound (array2 (3,:,4,:), dim=2) /= 4+1+2) stop 7 + if (any (ubound (array2 (3,:,4:4,:)) /= [7-3+1, 1, 4+1+2])) stop 8 + if ( ubound (array2 (3,:,4:4,:), dim=1) /= 7-3+1 ) stop 9 + if ( ubound (array2 (3,:,4:4,:), dim=2) /= 1 ) stop 10 + if ( ubound (array2 (3,:,4:4,:), dim=3) /= 4+1+2) stop 11 + end program test -- 2.30.2