[PATCH v2 27/30] tests/tcg/ppc64le: tests for brh/brw/brd

["Alex Bennée" <alex.bennee@linaro.org>]

From: Matheus Ferst <matheus.ferst@eldorado.org.br>

Tests for Byte-Reverse Halfword, Word and Doubleword

Signed-off-by: Matheus Ferst <matheus.ferst@eldorado.org.br>
Tested-by: Fabiano Rosas <farosas@linux.ibm.com>
[AJB: tweak to make rules for skip/plugins]
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20210423205757.1752480-3-matheus.ferst@eldorado.org.br>
---
 tests/tcg/ppc64le/byte_reverse.c  | 21 +++++++++++++++++++++
 tests/tcg/ppc64/Makefile.target   | 13 +++++++++++++
 tests/tcg/ppc64le/Makefile.target | 13 +++++++++++++
 3 files changed, 47 insertions(+)
 create mode 100644 tests/tcg/ppc64le/byte_reverse.c

diff --git a/tests/tcg/ppc64le/byte_reverse.c b/tests/tcg/ppc64le/byte_reverse.c
new file mode 100644
index 0000000000..53b76fc2e2
--- /dev/null
+++ b/tests/tcg/ppc64le/byte_reverse.c
@@ -0,0 +1,21 @@
+#include <assert.h>
+
+int main(void)
+{
+    unsigned long var;
+
+    var = 0xFEDCBA9876543210;
+    asm("brh %0, %0" : "+r"(var));
+    assert(var == 0xDCFE98BA54761032);
+
+    var = 0xFEDCBA9876543210;
+    asm("brw %0, %0" : "+r"(var));
+    assert(var == 0x98BADCFE10325476);
+
+    var = 0xFEDCBA9876543210;
+    asm("brd %0, %0" : "+r"(var));
+    assert(var == 0x1032547698BADCFE);
+
+    return 0;
+}
+
diff --git a/tests/tcg/ppc64/Makefile.target b/tests/tcg/ppc64/Makefile.target
index 0c6a4585fc..a6a4ddaeca 100644
--- a/tests/tcg/ppc64/Makefile.target
+++ b/tests/tcg/ppc64/Makefile.target
@@ -10,4 +10,17 @@ PPC64_TESTS=bcdsub
 endif
 bcdsub: CFLAGS += -mpower8-vector
 
+PPC64_TESTS += byte_reverse
+ifneq ($(DOCKER_IMAGE)$(CROSS_CC_HAS_POWER10),)
+run-byte_reverse: QEMU_OPTS+=-cpu POWER10
+run-plugin-byte_reverse-with-%: QEMU_OPTS+=-cpu POWER10
+else
+byte_reverse:
+	$(call skip-test, "BUILD of $@", "missing compiler support")
+run-byte_reverse:
+	$(call skip-test, "RUN of byte_reverse", "not built")
+run-plugin-byte_reverse-with-%:
+	$(call skip-test, "RUN of byte_reverse ($*)", "not built")
+endif
+
 TESTS += $(PPC64_TESTS)
diff --git a/tests/tcg/ppc64le/Makefile.target b/tests/tcg/ppc64le/Makefile.target
index 1acfcff94a..c0c14ffbad 100644
--- a/tests/tcg/ppc64le/Makefile.target
+++ b/tests/tcg/ppc64le/Makefile.target
@@ -9,4 +9,17 @@ PPC64LE_TESTS=bcdsub
 endif
 bcdsub: CFLAGS += -mpower8-vector
 
+PPC64LE_TESTS += byte_reverse
+ifneq ($(DOCKER_IMAGE)$(CROSS_CC_HAS_POWER10),)
+run-byte_reverse: QEMU_OPTS+=-cpu POWER10
+run-plugin-byte_reverse-with-%: QEMU_OPTS+=-cpu POWER10
+else
+byte_reverse:
+	$(call skip-test, "BUILD of $@", "missing compiler support")
+run-byte_reverse:
+	$(call skip-test, "RUN of byte_reverse", "not built")
+run-plugin-byte_reverse-with-%:
+	$(call skip-test, "RUN of byte_reverse ($*)", "not built")
+endif
+
 TESTS += $(PPC64LE_TESTS)
-- 
2.20.1