115 lines
3.4 KiB
Diff
115 lines
3.4 KiB
Diff
From: Michel Normand <normand@linux.vnet.ibm.com>
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Subject: openblas ppc64be up2 p8
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Date: Wed, 03 Feb 2021 15:39:25 +0100
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openblas ppc64be up2 p8
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because:
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* openblas build failed for ppc64 (BE) in openSUSE
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since version 0.3.12
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* ppc64 (BE) not supported by IBM after P8.
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Signed-off-by: Michel Normand <normand@linux.vnet.ibm.com>
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---
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Makefile.system | 10 +++++++---
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driver/others/dynamic_power.c | 11 +++++++++++
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2 files changed, 18 insertions(+), 3 deletions(-)
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Index: OpenBLAS-0.3.25/driver/others/dynamic_power.c
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===================================================================
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--- OpenBLAS-0.3.25.orig/driver/others/dynamic_power.c
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+++ OpenBLAS-0.3.25/driver/others/dynamic_power.c
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@@ -3,12 +3,14 @@
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extern gotoblas_t gotoblas_POWER6;
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extern gotoblas_t gotoblas_POWER8;
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+#if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
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#if ((!defined __GNUC__) || ( __GNUC__ >= 6)) || defined(__clang__)
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extern gotoblas_t gotoblas_POWER9;
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#endif
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#ifdef HAVE_P10_SUPPORT
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extern gotoblas_t gotoblas_POWER10;
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#endif
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+#endif
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extern void openblas_warning(int verbose, const char *msg);
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@@ -28,11 +30,13 @@ char *gotoblas_corename(void) {
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#endif
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if (gotoblas == &gotoblas_POWER8) return corename[2];
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#if ((!defined __GNUC__) || ( __GNUC__ >= 6)) || defined(__clang__)
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+#if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
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if (gotoblas == &gotoblas_POWER9) return corename[3];
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#endif
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#ifdef HAVE_P10_SUPPORT
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if (gotoblas == &gotoblas_POWER10) return corename[4];
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#endif
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+#endif
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return corename[0];
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}
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@@ -243,6 +247,10 @@ static gotoblas_t *get_coretype(void) {
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#endif
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if (__builtin_cpu_is("power8"))
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return &gotoblas_POWER8;
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+ /* Fall back to the POWER8 implementation for big endian */
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+#if __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
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+ return &gotoblas_POWER8;
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+#else
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#if ((!defined __GNUC__) || ( __GNUC__ >= 6)) || defined(__clang__)
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if (__builtin_cpu_is("power9"))
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return &gotoblas_POWER9;
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@@ -260,6 +268,7 @@ static gotoblas_t *get_coretype(void) {
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if (__builtin_cpu_is("power10"))
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return &gotoblas_POWER9;
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#endif
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+#endif
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return NULL;
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}
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@@ -284,12 +293,14 @@ static gotoblas_t *force_coretype(char *
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case 1: return (&gotoblas_POWER6);
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#endif
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case 2: return (&gotoblas_POWER8);
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+#if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
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#if ((!defined __GNUC__) || ( __GNUC__ >= 6)) || defined(__clang__)
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case 3: return (&gotoblas_POWER9);
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#endif
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#ifdef HAVE_P10_SUPPORT
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case 4: return (&gotoblas_POWER10);
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#endif
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+#endif
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default: return NULL;
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}
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snprintf(message, 128, "Core not found: %s\n", coretype);
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Index: OpenBLAS-0.3.25/Makefile.system
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===================================================================
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--- OpenBLAS-0.3.25.orig/Makefile.system
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+++ OpenBLAS-0.3.25/Makefile.system
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@@ -748,6 +748,9 @@ ifeq ($(ARCH), power)
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ifneq ($(C_COMPILER), PGI)
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DYNAMIC_CORE = POWER6
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DYNAMIC_CORE += POWER8
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+ifeq ($(__BYTE_ORDER__),__ORDER_BIG_ENDIAN__)
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+$(info, OpenBLAS: for big endian limit to POWER8 kernels.)
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+else
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ifneq ($(C_COMPILER), GCC)
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DYNAMIC_CORE += POWER9
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DYNAMIC_CORE += POWER10
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@@ -776,11 +779,12 @@ else
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$(info, OpenBLAS: Your gcc version is too old to build the POWER10 kernels.)
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endif
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endif
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-else
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+endif # __ORDER_BIG_ENDIAN__
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+else # C_COMPILER PGI
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DYNAMIC_CORE = POWER8
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DYNAMIC_CORE += POWER9
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-endif
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-endif
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+endif # C_COMPILER PGI
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+endif # ARCH power
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# If DYNAMIC_CORE is not set, DYNAMIC_ARCH cannot do anything, so force it to empty
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ifndef DYNAMIC_CORE
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