[PATCH v7 4/4] selftests/powerpc: update strlen() test to test the new assembly function for PPC32

From: Christophe Leroy
Date: Thu Jul 05 2018 - 04:29:13 EST


This patch adds a test for testing the new assembly strlen() for PPC32

Signed-off-by: Christophe Leroy <christophe.leroy@xxxxxx>
---
v7: reduced the scope to PPC32
v6: added additional necessary defines in ppc_asm.h
v5: no change
v4: new

tools/testing/selftests/powerpc/stringloops/Makefile | 5 ++++-
tools/testing/selftests/powerpc/stringloops/asm/ppc_asm.h | 10 ++++++++++
2 files changed, 14 insertions(+), 1 deletion(-)

diff --git a/tools/testing/selftests/powerpc/stringloops/Makefile b/tools/testing/selftests/powerpc/stringloops/Makefile
index df663ee9ddb3..2f0bd203e18a 100644
--- a/tools/testing/selftests/powerpc/stringloops/Makefile
+++ b/tools/testing/selftests/powerpc/stringloops/Makefile
@@ -13,9 +13,12 @@ $(OUTPUT)/memcmp_32: CFLAGS += -m32
$(OUTPUT)/strlen: strlen.c string.o
$(OUTPUT)/string.o: string.c

+$(OUTPUT)/strlen_32: strlen.c
+$(OUTPUT)/strlen_32: CFLAGS += -m32
+
ASFLAGS = $(CFLAGS)

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

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 136242ec4b0e..161a7ee54005 100644
--- a/tools/testing/selftests/powerpc/stringloops/asm/ppc_asm.h
+++ b/tools/testing/selftests/powerpc/stringloops/asm/ppc_asm.h
@@ -1,4 +1,5 @@
/* SPDX-License-Identifier: GPL-2.0 */
+
#include <ppc-asm.h>

#ifndef r1
@@ -6,3 +7,12 @@
#endif

#define _GLOBAL(A) FUNC_START(test_ ## A)
+
+#ifndef __powerpc64__
+#define SZL 4
+#define PPC_LLU lwzu
+#define PPC_LCMPI cmplwi
+#define PPC_ROTLI rotlwi
+#define PPC_CNTLZL cntlzw
+#define PPC_SRLI srwi
+#endif
--
2.13.3