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authorSong Gao <gaosong@loongson.cn>2022-07-16 16:54:26 +0800
committerRichard Henderson <richard.henderson@linaro.org>2022-07-19 22:55:10 +0530
commit0c7213dd668215d00aa56002f7a0193284b6c1a2 (patch)
treef0d63b480634a532c18c3a288e913a2b8fd2c0f5 /tests/tcg
parent500cd33abb5f0eb6303e35ccd808143298c3aba0 (diff)
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tests/tcg/loongarch64: Add pcadd related instructions test
This includes: - PCADDI - PCADDU12I - PCADDU18I - PCALAU12I Signed-off-by: Song Gao <gaosong@loongson.cn> Message-Id: <20220716085426.3098060-9-gaosong@loongson.cn> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'tests/tcg')
-rw-r--r--tests/tcg/loongarch64/Makefile.target1
-rw-r--r--tests/tcg/loongarch64/test_pcadd.c38
2 files changed, 39 insertions, 0 deletions
diff --git a/tests/tcg/loongarch64/Makefile.target b/tests/tcg/loongarch64/Makefile.target
index b320d9f..0115de7 100644
--- a/tests/tcg/loongarch64/Makefile.target
+++ b/tests/tcg/loongarch64/Makefile.target
@@ -14,5 +14,6 @@ LOONGARCH64_TESTS = test_bit
LOONGARCH64_TESTS += test_div
LOONGARCH64_TESTS += test_fclass
LOONGARCH64_TESTS += test_fpcom
+LOONGARCH64_TESTS += test_pcadd
TESTS += $(LOONGARCH64_TESTS)
diff --git a/tests/tcg/loongarch64/test_pcadd.c b/tests/tcg/loongarch64/test_pcadd.c
new file mode 100644
index 0000000..da2a64d
--- /dev/null
+++ b/tests/tcg/loongarch64/test_pcadd.c
@@ -0,0 +1,38 @@
+#include <assert.h>
+#include <inttypes.h>
+#include <string.h>
+
+#define TEST_PCADDU(N) \
+void test_##N(int a) \
+{ \
+ uint64_t rd1 = 0; \
+ uint64_t rd2 = 0; \
+ uint64_t rm, rn; \
+ \
+ asm volatile(""#N" %0, 0x104\n\t" \
+ ""#N" %1, 0x12345\n\t" \
+ : "=r"(rd1), "=r"(rd2) \
+ : ); \
+ rm = rd2 - rd1; \
+ if (!strcmp(#N, "pcalau12i")) { \
+ rn = ((0x12345UL - 0x104) << a) & ~0xfff; \
+ } else { \
+ rn = ((0x12345UL - 0x104) << a) + 4; \
+ } \
+ assert(rm == rn); \
+}
+
+TEST_PCADDU(pcaddi)
+TEST_PCADDU(pcaddu12i)
+TEST_PCADDU(pcaddu18i)
+TEST_PCADDU(pcalau12i)
+
+int main()
+{
+ test_pcaddi(2);
+ test_pcaddu12i(12);
+ test_pcaddu18i(18);
+ test_pcalau12i(12);
+
+ return 0;
+}