re PR libfortran/32972 (performance of pack/unpack)

2008-03-19  Thomas Koenig  <tkoenig@gcc.gnu.org>

	PR libfortran/32972
	* Makefile.am (in_pack_c): Add in_pack_i1.c, in_pack_i2.c,
	in_pack_r4.c, in_pack_r8.c, in_pack_r10.c and in_pack_r16.c.
	(in_unpack_c): Add in_unpack_i1.c, in_unpack_i2.c,
	in_unpack_r4.c, in_unpack_r8.c, in_unpack_r10.c and
	in_unpack_r16.c.
	* Makefile.in: Regenerate.
	* libgfortran.h:  Add prototypes for internal_pack_1,
	internal_pack_2, internal_pack_16, internal_pack_r4,
	internal_pack_r8, internal_pack_r10, internal_pack_r16,
	internal_pack_c10 and internal_pack_c16.  Add prototypes for
	internal_unpack_1, internal_unpack_2, internal_unpack_16,
	internal_unpack_r4, internal_unpack_r8, internal_unpack_r10,
	internal_unpack_r16, internal_unpack_c10 and
	internal_unpack_c16.
	* runtime/in_pack_generic.c (internal_pack): Use sizeof instead
	of hardwired sizes.
	Add calls to internal_pack_1, internal_pack_2,
	internal_pack_16, internal_pack_r4, internal_pack_r8,
	internal_pack_r10, internal_pack_r16, internal_pack_c10 and
	internal_pack_c16.
	* runtime/in_unpack_generic.c (internal_unpack):  Use sizeof
	instead of hardwired sizes.
	Add calls to internal_unpack_1, internal_unpack_2,
	internal_unpack_16, internal_unpack_r4, internal_unpack_r8,
	internal_unpack_r10, internal_unpack_r16, internal_unpack_c10
	and internal_unpack_c16.
	* generated/in_pack_r4.c:  New file.
	* generated/in_pack_i2.c:  New file.
	* generated/in_unpack_i1.c:  New file.
	* generated/in_pack_r10.c:  New file.
	* generated/in_unpack_r4.c:  New file.
	* generated/in_unpack_i2.c:  New file.
	* generated/in_unpack_r16.c:  New file.
	* generated/in_pack_r8.c:  New file.
	* generated/in_unpack_r10.c:  New file.
	* generated/in_unpack_r8.c:  New file.
	* generated/in_pack_r16.c:  New file.
	* generated/in_pack_i1.c:  New file.

2008-03-19  Thomas Koenig  <tkoenig@gcc.gnu.org>

	PR libfortran/32972
	* gfortran.dg/internal_pack_1.f90:  New test case.
	* gfortran.dg/internal_pack_2.f90:  New test case.
	* gfortran.dg/internal_pack_3.f90:  New test case.

From-SVN: r133344

1 files changed, 51 insertions, 3 deletions

diff --git a/libgfortran/libgfortran.h b/libgfortran/libgfortran.h
index 427b2fa..98af40e 100644
--- a/libgfortran/libgfortran.h
+++ b/libgfortran/libgfortran.h
@@ -609,10 +609,15 @@ extern void reshape_packed (char *, index_type, const char *, index_type,
 			    const char *, index_type);
 internal_proto(reshape_packed);
 
-/* Repacking functions.  */
+/* Repacking functions.  These are called internally by internal_pack
+   and internal_unpack.  */
+
+GFC_INTEGER_1 *internal_pack_1 (gfc_array_i1 *);
+internal_proto(internal_pack_1);
+
+GFC_INTEGER_2 *internal_pack_2 (gfc_array_i2 *);
+internal_proto(internal_pack_2);
 
-/* ??? These aren't currently used by the compiler, though we
-   certainly could do so.  */
 GFC_INTEGER_4 *internal_pack_4 (gfc_array_i4 *);
 internal_proto(internal_pack_4);
 
@@ -624,6 +629,22 @@ GFC_INTEGER_16 *internal_pack_16 (gfc_array_i16 *);
 internal_proto(internal_pack_16);
 #endif
 
+GFC_REAL_4 *internal_pack_r4 (gfc_array_r4 *);
+internal_proto(internal_pack_r4);
+
+GFC_REAL_8 *internal_pack_r8 (gfc_array_r8 *);
+internal_proto(internal_pack_r8);
+
+#if defined HAVE_GFC_REAL_10
+GFC_REAL_10 *internal_pack_r10 (gfc_array_r10 *);
+internal_proto(internal_pack_r10);
+#endif
+
+#if defined HAVE_GFC_REAL_16
+GFC_REAL_16 *internal_pack_r16 (gfc_array_r16 *);
+internal_proto(internal_pack_r16);
+#endif
+
 GFC_COMPLEX_4 *internal_pack_c4 (gfc_array_c4 *);
 internal_proto(internal_pack_c4);
 
@@ -635,6 +656,17 @@ GFC_COMPLEX_10 *internal_pack_c10 (gfc_array_c10 *);
 internal_proto(internal_pack_c10);
 #endif
 
+#if defined HAVE_GFC_COMPLEX_16
+GFC_COMPLEX_16 *internal_pack_c16 (gfc_array_c16 *);
+internal_proto(internal_pack_c16);
+#endif
+
+extern void internal_unpack_1 (gfc_array_i1 *, const GFC_INTEGER_1 *);
+internal_proto(internal_unpack_1);
+
+extern void internal_unpack_2 (gfc_array_i2 *, const GFC_INTEGER_2 *);
+internal_proto(internal_unpack_2);
+
 extern void internal_unpack_4 (gfc_array_i4 *, const GFC_INTEGER_4 *);
 internal_proto(internal_unpack_4);
 
@@ -646,6 +678,22 @@ extern void internal_unpack_16 (gfc_array_i16 *, const GFC_INTEGER_16 *);
 internal_proto(internal_unpack_16);
 #endif
 
+extern void internal_unpack_r4 (gfc_array_r4 *, const GFC_REAL_4 *);
+internal_proto(internal_unpack_r4);
+
+extern void internal_unpack_r8 (gfc_array_r8 *, const GFC_REAL_8 *);
+internal_proto(internal_unpack_r8);
+
+#if defined HAVE_GFC_REAL_10
+extern void internal_unpack_r10 (gfc_array_r10 *, const GFC_REAL_10 *);
+internal_proto(internal_unpack_r10);
+#endif
+
+#if defined HAVE_GFC_REAL_16
+extern void internal_unpack_r16 (gfc_array_r16 *, const GFC_REAL_16 *);
+internal_proto(internal_unpack_r16);
+#endif
+
 extern void internal_unpack_c4 (gfc_array_c4 *, const GFC_COMPLEX_4 *);
 internal_proto(internal_unpack_c4);