From: Julian Brown <julian@codesourcery.com>
Date: Tue, 9 Feb 2021 22:09:00 +0000 (-0800)
Subject: Revert "openacc: Allow strided arrays in update directives"
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=b0fb2720d88d680af18981a2097397196b505a1f;p=gcc.git

Revert "openacc: Allow strided arrays in update directives"

This patch reverts the non-testsuite parts of commit
9a4d32f85ccebc0ee4b24e6d9d7a4f11c04d7146 which cause ICEs without the
yet-to-be-approved patch here:

  https://gcc.gnu.org/pipermail/gcc-patches/2021-February/564711.html

gcc/fortran/

	PR fortran/98979
	* openmp.c (resolve_omp_clauses): Omit OpenACC update in
	contiguity check and stride-specified error.
---

diff --git a/gcc/fortran/openmp.c b/gcc/fortran/openmp.c
index 797f6c86b62..aab17f0589f 100644
--- a/gcc/fortran/openmp.c
+++ b/gcc/fortran/openmp.c
@@ -5192,8 +5192,7 @@ resolve_omp_clauses (gfc_code *code, gfc_omp_clauses *omp_clauses,
 			   array isn't contiguous.  An expression such as
 			   arr(-n:n,-n:n) could be contiguous even if it looks
 			   like it may not be.  */
-			if (code->op != EXEC_OACC_UPDATE
-			    && list != OMP_LIST_CACHE
+			if (list != OMP_LIST_CACHE
 			    && list != OMP_LIST_DEPEND
 			    && !gfc_is_simply_contiguous (n->expr, false, true)
 			    && gfc_is_not_contiguous (n->expr))
@@ -5231,7 +5230,7 @@ resolve_omp_clauses (gfc_code *code, gfc_omp_clauses *omp_clauses,
 			int i;
 			gfc_array_ref *ar = &array_ref->u.ar;
 			for (i = 0; i < ar->dimen; i++)
-			  if (ar->stride[i] && code->op != EXEC_OACC_UPDATE)
+			  if (ar->stride[i])
 			    {
 			      gfc_error ("Stride should not be specified for "
 					 "array section in %s clause at %L",