diff options
Diffstat (limited to 'libgfortran/generated/reshape_r8.c')
-rw-r--r-- | libgfortran/generated/reshape_r8.c | 38 |
1 files changed, 33 insertions, 5 deletions
diff --git a/libgfortran/generated/reshape_r8.c b/libgfortran/generated/reshape_r8.c index 065fb3d351d..2a3e7338018 100644 --- a/libgfortran/generated/reshape_r8.c +++ b/libgfortran/generated/reshape_r8.c @@ -37,8 +37,6 @@ Boston, MA 02110-1301, USA. */ typedef GFC_ARRAY_DESCRIPTOR(1, index_type) shape_type; -/* The shape parameter is ignored. We can currently deduce the shape from the - return array. */ extern void reshape_r8 (gfc_array_r8 * const restrict, gfc_array_r8 * const restrict, @@ -83,12 +81,13 @@ reshape_r8 (gfc_array_r8 * const restrict ret, const GFC_REAL_8 *src; int n; int dim; + int sempty, pempty; if (ret->data == NULL) { rdim = shape->dim[0].ubound - shape->dim[0].lbound + 1; rs = 1; - for (n=0; n < rdim; n++) + for (n = 0; n < rdim; n++) { ret->dim[n].lbound = 0; rex = shape->data[n * shape->dim[0].stride]; @@ -130,13 +129,17 @@ reshape_r8 (gfc_array_r8 * const restrict ret, sdim = GFC_DESCRIPTOR_RANK (source); ssize = 1; + sempty = 0; for (n = 0; n < sdim; n++) { scount[n] = 0; sstride[n] = source->dim[n].stride; sextent[n] = source->dim[n].ubound + 1 - source->dim[n].lbound; if (sextent[n] <= 0) - abort (); + { + sempty = 1; + sextent[n] = 0; + } if (ssize == sstride[n]) ssize *= sextent[n]; @@ -148,13 +151,18 @@ reshape_r8 (gfc_array_r8 * const restrict ret, { pdim = GFC_DESCRIPTOR_RANK (pad); psize = 1; + pempty = 0; for (n = 0; n < pdim; n++) { pcount[n] = 0; pstride[n] = pad->dim[n].stride; pextent[n] = pad->dim[n].ubound + 1 - pad->dim[n].lbound; if (pextent[n] <= 0) - abort (); + { + pempty = 1; + pextent[n] = 0; + } + if (psize == pstride[n]) psize *= pextent[n]; else @@ -166,6 +174,7 @@ reshape_r8 (gfc_array_r8 * const restrict ret, { pdim = 0; psize = 1; + pempty = 1; pptr = NULL; } @@ -183,6 +192,24 @@ reshape_r8 (gfc_array_r8 * const restrict ret, rstride0 = rstride[0]; sstride0 = sstride[0]; + if (sempty && pempty) + abort (); + + if (sempty) + { + /* Switch immediately to the pad array. */ + src = pptr; + sptr = NULL; + sdim = pdim; + for (dim = 0; dim < pdim; dim++) + { + scount[dim] = pcount[dim]; + sextent[dim] = pextent[dim]; + sstride[dim] = pstride[dim]; + sstride0 = sstride[0] * sizeof (GFC_REAL_8); + } + } + while (rptr) { /* Select between the source and pad arrays. */ @@ -192,6 +219,7 @@ reshape_r8 (gfc_array_r8 * const restrict ret, src += sstride0; rcount[0]++; scount[0]++; + /* Advance to the next destination element. */ n = 0; while (rcount[n] == rextent[n]) |