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Description: Skip optimizations for big-endian PowerPC.
Some of the existing optimized files/cases for PowerPC
contain assembly instructions with implicit big-endian
behavior - thus incorrect for the little-endian mode -
incurring tests failures during the build (i.e., FTBFS).
This is being worked on; this is the workaround for now.
.
Note: this is an alternative for Michael Normand's patch
'atlas.3.10.2-ppc64le_do_not_use_files_with_lvx.patch',
in order not to touch file lists/indexes, but only C
source code, so the C preprocessor can avoid code per-arch.
.
For more details, see:
https://bugzilla.redhat.com/show_bug.cgi?id=1080073#c40
Bug-Debian: https://bugs.debian.org/766695
Forwarded: http://sourceforge.net/p/math-atlas/patches/65/
Author: Mauricio Faria de Oliveira <mauricfo@linux.vnet.ibm.com>
Reviewed-by: Sébastien Villemot <sebastien@debian.org>
Last-Update: 2014-10-28
--- a/tune/blas/gemm/CASES/ATL_cmm4x4x128_av.c
+++ b/tune/blas/gemm/CASES/ATL_cmm4x4x128_av.c
@@ -7,6 +7,11 @@
* meaning that this kernel will do an extra store of vector C to memory
* for load by the scalar FPU.
*/
+
+#if defined(__powerpc64__) && (__BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__)
+/* FIXME: port to little-endian powerpc64. */
+#else
+
#include "atlas_asm.h"
#if !defined(ATL_AS_OSX_PPC) && !defined(ATL_GAS_LINUX_PPC)
@@ -4257,3 +4262,5 @@ MPEELEDU:
ld r3, FST(r1)
addi r1, r1, FSIZE
blr
+
+#endif /* little-endian powerpc64 */
--- a/tune/blas/gemm/CASES/ATL_dmm4x4x80_ppc.c
+++ b/tune/blas/gemm/CASES/ATL_dmm4x4x80_ppc.c
@@ -28,6 +28,10 @@
*
*/
+#if defined(__powerpc64__) && (__BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__)
+/* FIXME: port to little-endian powerpc64. */
+#else
+
#include "atlas_asm.h"
/*
* NOTE: this kernel written by R. Clint Whaley, but it uses two key ideas
@@ -7502,3 +7506,5 @@ DONE:
addi r1, r1, FSIZE
#endif
blr
+
+#endif /* little-endian powerpc64 */
--- a/tune/blas/gemm/CASES/ATL_dmm8x4x2_vsx.c
+++ b/tune/blas/gemm/CASES/ATL_dmm8x4x2_vsx.c
@@ -27,6 +27,10 @@
*
*/
+#if defined(__powerpc64__) && (__BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__)
+/* FIXME: port to little-endian powerpc64. */
+#else
+
#include <altivec.h>
#include "atlas_misc.h"
#include "atlas_prefetch.h" /* ATL_pfl1R, ATL_pfl1W */
@@ -659,3 +663,5 @@ void ATL_USERMM
}
}
}
+
+#endif /* little-endian powerpc64 */
--- a/tune/blas/gemm/CASES/ATL_smm4x4x128_av.c
+++ b/tune/blas/gemm/CASES/ATL_smm4x4x128_av.c
@@ -28,6 +28,9 @@
*
*/
+#if defined(__powerpc64__) && (__BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__)
+/* FIXME: port to little-endian powerpc64. */
+#else
#include "atlas_asm.h"
@@ -8340,3 +8343,5 @@ MPEELEDU:
ld r3, FST(r1)
addi r1, r1, FSIZE
blr
+
+#endif /* little-endian powerpc64 */
--- a/tune/blas/gemm/CASES/ATL_smm8x2x4_av.c
+++ b/tune/blas/gemm/CASES/ATL_smm8x2x4_av.c
@@ -27,6 +27,10 @@
*
*/
+#if defined(__powerpc64__) && (__BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__)
+/* FIXME: port to little-endian powerpc64. */
+#else
+
#include <altivec.h>
#include "atlas_misc.h"
#include "atlas_prefetch.h" /* ATL_pfl1R, ATL_pfl1W */
@@ -326,3 +330,5 @@ void ATL_USERMM
}
}
}
+
+#endif /* little-endian powerpc64 */
|
