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authorSong Gao <gaosong@loongson.cn>2022-07-16 16:54:22 +0800
committerRichard Henderson <richard.henderson@linaro.org>2022-07-19 21:53:58 +0530
commita5661c3ab5d1bf32d1284ee523d33151f3c525aa (patch)
tree68dced1f827cd8417839931de08a1a180efcecd6 /tests/tcg/loongarch64
parent79e853b584ff097f410638c52a3d60b5ca044ad5 (diff)
tests/tcg/loongarch64: Add clo related instructions test
This includes: - CL{O/Z}.{W/D} - CT{O/Z}.{W/D} Signed-off-by: Song Gao <gaosong@loongson.cn> Message-Id: <20220716085426.3098060-5-gaosong@loongson.cn> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'tests/tcg/loongarch64')
-rw-r--r--tests/tcg/loongarch64/Makefile.target15
-rw-r--r--tests/tcg/loongarch64/test_bit.c88
2 files changed, 103 insertions, 0 deletions
diff --git a/tests/tcg/loongarch64/Makefile.target b/tests/tcg/loongarch64/Makefile.target
new file mode 100644
index 0000000000..c0bd8b9b86
--- /dev/null
+++ b/tests/tcg/loongarch64/Makefile.target
@@ -0,0 +1,15 @@
+# -*- Mode: makefile -*-
+#
+# LoongArch64 specific tweaks
+
+# Loongarch64 doesn't support gdb, so skip the EXTRA_RUNS
+EXTRA_RUNS =
+
+LOONGARCH64_SRC=$(SRC_PATH)/tests/tcg/loongarch64
+VPATH += $(LOONGARCH64_SRC)
+
+LDFLAGS+=-lm
+
+LOONGARCH64_TESTS = test_bit
+
+TESTS += $(LOONGARCH64_TESTS)
diff --git a/tests/tcg/loongarch64/test_bit.c b/tests/tcg/loongarch64/test_bit.c
new file mode 100644
index 0000000000..a6d9904909
--- /dev/null
+++ b/tests/tcg/loongarch64/test_bit.c
@@ -0,0 +1,88 @@
+#include <assert.h>
+#include <inttypes.h>
+
+#define ARRAY_SIZE(X) (sizeof(X) / sizeof(*(X)))
+#define TEST_CLO(N) \
+static uint64_t test_clo_##N(uint64_t rj) \
+{ \
+ uint64_t rd = 0; \
+ \
+ asm volatile("clo."#N" %0, %1\n\t" \
+ : "=r"(rd) \
+ : "r"(rj) \
+ : ); \
+ return rd; \
+}
+
+#define TEST_CLZ(N) \
+static uint64_t test_clz_##N(uint64_t rj) \
+{ \
+ uint64_t rd = 0; \
+ \
+ asm volatile("clz."#N" %0, %1\n\t" \
+ : "=r"(rd) \
+ : "r"(rj) \
+ : ); \
+ return rd; \
+}
+
+#define TEST_CTO(N) \
+static uint64_t test_cto_##N(uint64_t rj) \
+{ \
+ uint64_t rd = 0; \
+ \
+ asm volatile("cto."#N" %0, %1\n\t" \
+ : "=r"(rd) \
+ : "r"(rj) \
+ : ); \
+ return rd; \
+}
+
+#define TEST_CTZ(N) \
+static uint64_t test_ctz_##N(uint64_t rj) \
+{ \
+ uint64_t rd = 0; \
+ \
+ asm volatile("ctz."#N" %0, %1\n\t" \
+ : "=r"(rd) \
+ : "r"(rj) \
+ : ); \
+ return rd; \
+}
+
+TEST_CLO(w)
+TEST_CLO(d)
+TEST_CLZ(w)
+TEST_CLZ(d)
+TEST_CTO(w)
+TEST_CTO(d)
+TEST_CTZ(w)
+TEST_CTZ(d)
+
+struct vector {
+ uint64_t (*func)(uint64_t);
+ uint64_t u;
+ uint64_t r;
+};
+
+static struct vector vectors[] = {
+ {test_clo_w, 0xfff11fff392476ab, 0},
+ {test_clo_d, 0xabd28a64000000, 0},
+ {test_clz_w, 0xfaffff42392476ab, 2},
+ {test_clz_d, 0xabd28a64000000, 8},
+ {test_cto_w, 0xfff11fff392476ab, 2},
+ {test_cto_d, 0xabd28a64000000, 0},
+ {test_ctz_w, 0xfaffff42392476ab, 0},
+ {test_ctz_d, 0xabd28a64000000, 26},
+};
+
+int main()
+{
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(vectors); i++) {
+ assert((*vectors[i].func)(vectors[i].u) == vectors[i].r);
+ }
+
+ return 0;
+}