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Subject[RFC PATCH 2/3] selftests/powerpc: update strlen() test to test the new assembly function for PPC64
Date
This patch adds a test for testing the new assembly strlen() for PPC64

Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
---
Untested

tools/testing/selftests/powerpc/stringloops/Makefile | 5 ++++-
tools/testing/selftests/powerpc/stringloops/asm/ppc_asm.h | 12 ++++++++++++
tools/testing/selftests/powerpc/stringloops/strlen_64.S | 1 +
3 files changed, 17 insertions(+), 1 deletion(-)
create mode 120000 tools/testing/selftests/powerpc/stringloops/strlen_64.S

diff --git a/tools/testing/selftests/powerpc/stringloops/Makefile b/tools/testing/selftests/powerpc/stringloops/Makefile
index 2f0bd203e18a..bff66284375c 100644
--- a/tools/testing/selftests/powerpc/stringloops/Makefile
+++ b/tools/testing/selftests/powerpc/stringloops/Makefile
@@ -16,9 +16,12 @@ $(OUTPUT)/string.o: string.c
$(OUTPUT)/strlen_32: strlen.c
$(OUTPUT)/strlen_32: CFLAGS += -m32

+$(OUTPUT)/strlen_64: strlen.c
+$(OUTPUT)/strlen_64: CFLAGS += -m64
+
ASFLAGS = $(CFLAGS)

-TEST_GEN_PROGS := memcmp_32 memcmp_64 strlen strlen_32
+TEST_GEN_PROGS := memcmp_32 memcmp_64 strlen strlen_32 strlen_64

include ../../lib.mk

diff --git a/tools/testing/selftests/powerpc/stringloops/asm/ppc_asm.h b/tools/testing/selftests/powerpc/stringloops/asm/ppc_asm.h
index 161a7ee54005..891092990217 100644
--- a/tools/testing/selftests/powerpc/stringloops/asm/ppc_asm.h
+++ b/tools/testing/selftests/powerpc/stringloops/asm/ppc_asm.h
@@ -1,4 +1,9 @@
/* SPDX-License-Identifier: GPL-2.0 */
+#ifdef __LITTLE_ENDIAN__
+#define CONFIG_CPU_LITTLE_ENDIAN
+#else
+#define CONFIG_CPU_BIG_ENDIAN
+#endif

#include <ppc-asm.h>

@@ -15,4 +20,11 @@
#define PPC_ROTLI rotlwi
#define PPC_CNTLZL cntlzw
#define PPC_SRLI srwi
+#else
+#define SZL 8
+#define PPC_LLU ldu
+#define PPC_LCMPI cmpldi
+#define PPC_ROTLI rotldi
+#define PPC_CNTLZL cntlzd
+#define PPC_SRLI srdi
#endif
diff --git a/tools/testing/selftests/powerpc/stringloops/strlen_64.S b/tools/testing/selftests/powerpc/stringloops/strlen_64.S
new file mode 120000
index 000000000000..d720a2766ec3
--- /dev/null
+++ b/tools/testing/selftests/powerpc/stringloops/strlen_64.S
@@ -0,0 +1 @@
+../../../../../arch/powerpc/lib/strlen_64.S
\ No newline at end of file
--
2.13.3
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