linux-kernel - [PATCH v5 1/4] selftests/powerpc: add test for 32 bits memcmp

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Message-Id: <85de16f5629ac9f4a815230cced361908758b53a.1528463979.git.christophe.leroy@c-s.fr>
Date:   Fri,  8 Jun 2018 13:27:35 +0000 (UTC)
From:   Christophe Leroy <christophe.leroy@....fr>
To:     Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Paul Mackerras <paulus@...ba.org>,
        Michael Ellerman <mpe@...erman.id.au>, wei.guo.simon@...il.com
Cc:     linux-kernel@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org
Subject: [PATCH v5 1/4] selftests/powerpc: add test for 32 bits memcmp

This patch renames memcmp test to memcmp_64 and adds
a memcmp_32 test for testing the 32 bits version of memcmp()

Signed-off-by: Christophe Leroy <christophe.leroy@....fr>
---
 v5: no change
 v4: new

 tools/testing/selftests/powerpc/stringloops/Makefile    | 14 +++++++++++---
 tools/testing/selftests/powerpc/stringloops/memcmp_32.S |  1 +
 2 files changed, 12 insertions(+), 3 deletions(-)
 create mode 120000 tools/testing/selftests/powerpc/stringloops/memcmp_32.S

diff --git a/tools/testing/selftests/powerpc/stringloops/Makefile b/tools/testing/selftests/powerpc/stringloops/Makefile
index 1125e489055e..1e7301d4bac9 100644
--- a/tools/testing/selftests/powerpc/stringloops/Makefile
+++ b/tools/testing/selftests/powerpc/stringloops/Makefile
@@ -1,10 +1,18 @@
 # SPDX-License-Identifier: GPL-2.0
 # The loops are all 64-bit code
-CFLAGS += -m64
 CFLAGS += -I$(CURDIR)
 
-TEST_GEN_PROGS := memcmp
-EXTRA_SOURCES := memcmp_64.S ../harness.c
+EXTRA_SOURCES := ../harness.c
+
+$(OUTPUT)/memcmp_64: memcmp.c
+$(OUTPUT)/memcmp_64: CFLAGS += -m64
+
+$(OUTPUT)/memcmp_32: memcmp.c
+$(OUTPUT)/memcmp_32: CFLAGS += -m32
+
+ASFLAGS = $(CFLAGS)
+
+TEST_GEN_PROGS := memcmp_32 memcmp_64
 
 include ../../lib.mk
 
diff --git a/tools/testing/selftests/powerpc/stringloops/memcmp_32.S b/tools/testing/selftests/powerpc/stringloops/memcmp_32.S
new file mode 120000
index 000000000000..056f2b3af789
--- /dev/null
+++ b/tools/testing/selftests/powerpc/stringloops/memcmp_32.S
@@ -0,0 +1 @@
+../../../../../arch/powerpc/lib/memcmp_32.S
\ No newline at end of file
-- 
2.13.3