1 /* Implementation of the MATMUL intrinsic
2 Copyright (C) 2002-2022 Free Software Foundation, Inc.
3 Contributed by Paul Brook <paul@nowt.org>
5 This file is part of the GNU Fortran runtime library (libgfortran).
7 Libgfortran is free software; you can redistribute it and/or
8 modify it under the terms of the GNU General Public
9 License as published by the Free Software Foundation; either
10 version 3 of the License, or (at your option) any later version.
12 Libgfortran is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 Under Section 7 of GPL version 3, you are granted additional
18 permissions described in the GCC Runtime Library Exception, version
19 3.1, as published by the Free Software Foundation.
21 You should have received a copy of the GNU General Public License and
22 a copy of the GCC Runtime Library Exception along with this program;
23 see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
24 <http://www.gnu.org/licenses/>. */
26 #include "libgfortran.h"
30 #if defined (HAVE_GFC_LOGICAL_16)
32 /* Dimensions: retarray(x,y) a(x, count) b(count,y).
33 Either a or b can be rank 1. In this case x or y is 1. */
35 extern void matmul_l16 (gfc_array_l16
* const restrict
,
36 gfc_array_l1
* const restrict
, gfc_array_l1
* const restrict
);
37 export_proto(matmul_l16
);
40 matmul_l16 (gfc_array_l16
* const restrict retarray
,
41 gfc_array_l1
* const restrict a
, gfc_array_l1
* const restrict b
)
43 const GFC_LOGICAL_1
* restrict abase
;
44 const GFC_LOGICAL_1
* restrict bbase
;
45 GFC_LOGICAL_16
* restrict dest
;
57 const GFC_LOGICAL_1
* restrict pa
;
58 const GFC_LOGICAL_1
* restrict pb
;
64 assert (GFC_DESCRIPTOR_RANK (a
) == 2
65 || GFC_DESCRIPTOR_RANK (b
) == 2);
67 if (retarray
->base_addr
== NULL
)
69 if (GFC_DESCRIPTOR_RANK (a
) == 1)
71 GFC_DIMENSION_SET(retarray
->dim
[0], 0,
72 GFC_DESCRIPTOR_EXTENT(b
,1) - 1, 1);
74 else if (GFC_DESCRIPTOR_RANK (b
) == 1)
76 GFC_DIMENSION_SET(retarray
->dim
[0], 0,
77 GFC_DESCRIPTOR_EXTENT(a
,0) - 1, 1);
81 GFC_DIMENSION_SET(retarray
->dim
[0], 0,
82 GFC_DESCRIPTOR_EXTENT(a
,0) - 1, 1);
84 GFC_DIMENSION_SET(retarray
->dim
[1], 0,
85 GFC_DESCRIPTOR_EXTENT(b
,1) - 1,
86 GFC_DESCRIPTOR_EXTENT(retarray
,0));
90 = xmallocarray (size0 ((array_t
*) retarray
), sizeof (GFC_LOGICAL_16
));
93 else if (unlikely (compile_options
.bounds_check
))
95 index_type ret_extent
, arg_extent
;
97 if (GFC_DESCRIPTOR_RANK (a
) == 1)
99 arg_extent
= GFC_DESCRIPTOR_EXTENT(b
,1);
100 ret_extent
= GFC_DESCRIPTOR_EXTENT(retarray
,0);
101 if (arg_extent
!= ret_extent
)
102 runtime_error ("Incorrect extent in return array in"
103 " MATMUL intrinsic: is %ld, should be %ld",
104 (long int) ret_extent
, (long int) arg_extent
);
106 else if (GFC_DESCRIPTOR_RANK (b
) == 1)
108 arg_extent
= GFC_DESCRIPTOR_EXTENT(a
,0);
109 ret_extent
= GFC_DESCRIPTOR_EXTENT(retarray
,0);
110 if (arg_extent
!= ret_extent
)
111 runtime_error ("Incorrect extent in return array in"
112 " MATMUL intrinsic: is %ld, should be %ld",
113 (long int) ret_extent
, (long int) arg_extent
);
117 arg_extent
= GFC_DESCRIPTOR_EXTENT(a
,0);
118 ret_extent
= GFC_DESCRIPTOR_EXTENT(retarray
,0);
119 if (arg_extent
!= ret_extent
)
120 runtime_error ("Incorrect extent in return array in"
121 " MATMUL intrinsic for dimension 1:"
122 " is %ld, should be %ld",
123 (long int) ret_extent
, (long int) arg_extent
);
125 arg_extent
= GFC_DESCRIPTOR_EXTENT(b
,1);
126 ret_extent
= GFC_DESCRIPTOR_EXTENT(retarray
,1);
127 if (arg_extent
!= ret_extent
)
128 runtime_error ("Incorrect extent in return array in"
129 " MATMUL intrinsic for dimension 2:"
130 " is %ld, should be %ld",
131 (long int) ret_extent
, (long int) arg_extent
);
135 abase
= a
->base_addr
;
136 a_kind
= GFC_DESCRIPTOR_SIZE (a
);
138 if (a_kind
== 1 || a_kind
== 2 || a_kind
== 4 || a_kind
== 8
139 #ifdef HAVE_GFC_LOGICAL_16
143 abase
= GFOR_POINTER_TO_L1 (abase
, a_kind
);
145 internal_error (NULL
, "Funny sized logical array");
147 bbase
= b
->base_addr
;
148 b_kind
= GFC_DESCRIPTOR_SIZE (b
);
150 if (b_kind
== 1 || b_kind
== 2 || b_kind
== 4 || b_kind
== 8
151 #ifdef HAVE_GFC_LOGICAL_16
155 bbase
= GFOR_POINTER_TO_L1 (bbase
, b_kind
);
157 internal_error (NULL
, "Funny sized logical array");
159 dest
= retarray
->base_addr
;
162 if (GFC_DESCRIPTOR_RANK (retarray
) == 1)
164 rxstride
= GFC_DESCRIPTOR_STRIDE(retarray
,0);
169 rxstride
= GFC_DESCRIPTOR_STRIDE(retarray
,0);
170 rystride
= GFC_DESCRIPTOR_STRIDE(retarray
,1);
173 /* If we have rank 1 parameters, zero the absent stride, and set the size to
175 if (GFC_DESCRIPTOR_RANK (a
) == 1)
177 astride
= GFC_DESCRIPTOR_STRIDE_BYTES(a
,0);
178 count
= GFC_DESCRIPTOR_EXTENT(a
,0);
185 astride
= GFC_DESCRIPTOR_STRIDE_BYTES(a
,1);
186 count
= GFC_DESCRIPTOR_EXTENT(a
,1);
187 xstride
= GFC_DESCRIPTOR_STRIDE_BYTES(a
,0);
188 xcount
= GFC_DESCRIPTOR_EXTENT(a
,0);
190 if (GFC_DESCRIPTOR_RANK (b
) == 1)
192 bstride
= GFC_DESCRIPTOR_STRIDE_BYTES(b
,0);
193 assert(count
== GFC_DESCRIPTOR_EXTENT(b
,0));
200 bstride
= GFC_DESCRIPTOR_STRIDE_BYTES(b
,0);
201 assert(count
== GFC_DESCRIPTOR_EXTENT(b
,0));
202 ystride
= GFC_DESCRIPTOR_STRIDE_BYTES(b
,1);
203 ycount
= GFC_DESCRIPTOR_EXTENT(b
,1);
206 for (y
= 0; y
< ycount
; y
++)
208 for (x
= 0; x
< xcount
; x
++)
210 /* Do the summation for this element. For real and integer types
211 this is the same as DOT_PRODUCT. For complex types we use do
212 a*b, not conjg(a)*b. */
217 for (n
= 0; n
< count
; n
++)
231 abase
-= xstride
* xcount
;
233 dest
+= rystride
- (rxstride
* xcount
);