Signed-off-by: Fredrik Noring <nor...@nocrew.org>
---
tests/tcg/mips/mipsn32r5900/Makefile | 1 +
tests/tcg/mips/mipsn32r5900/sq.c | 105 +++++++++++++++++++++++++++
2 files changed, 106 insertions(+)
create mode 100644 tests/tcg/mips/mipsn32r5900/sq.c
diff --git a/tests/tcg/mips/mipsn32r5900/Makefile
b/tests/tcg/mips/mipsn32r5900/Makefile
index cb3ef9d26a..a9e9481457 100644
--- a/tests/tcg/mips/mipsn32r5900/Makefile
+++ b/tests/tcg/mips/mipsn32r5900/Makefile
@@ -10,6 +10,7 @@ CFLAGS = -Wall -mabi=n32 -march=r5900 -static
TESTCASES = lq.tst
TESTCASES += pcpyuld.tst
+TESTCASES += sq.tst
all: $(TESTCASES)
diff --git a/tests/tcg/mips/mipsn32r5900/sq.c b/tests/tcg/mips/mipsn32r5900/sq.c
new file mode 100644
index 0000000000..97b21711ba
--- /dev/null
+++ b/tests/tcg/mips/mipsn32r5900/sq.c
@@ -0,0 +1,105 @@
+/*
+ * Test SQ.
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <inttypes.h>
+#include <assert.h>
+
+#define GUARD_BYTE 0xA9
+
+/* 128-bit multimedia register */
+struct mmr { uint64_t hi, lo; } __attribute__((aligned(16)));
+
+static uint8_t data[64];
+
+#define SQ(value, base, offset) \
+ __asm__ __volatile__ ( \
+ " pcpyld %0, %0, %1\n" \
+ " sq %0, %3(%2)\n" \
+ : \
+ : "r" (value.hi), "r" (value.lo), \
+ "r" (base), "i" (offset))
+
+static void verify_sq(struct mmr value, const void *base, int16_t offset)
+{
+ /*
+ * The least significant four bits of the effective address are
+ * masked to zero, effectively creating an aligned address. No
+ * address exceptions due to alignment are possible.
+ */
+ const uint8_t *b = base;
+ const uint8_t *o = &b[offset];
+ const uint8_t *a = (const uint8_t*)((unsigned long)o & ~0xFUL);
+ size_t i;
+
+ for (i = 0; i < sizeof(data); i++) {
+ ssize_t d = &data[i] - &a[0];
+
+ if (d < 0) {
+ assert(data[i] == GUARD_BYTE);
+ } else if (d < 8) {
+ assert(data[i] == ((value.lo >> (8 * (d - 0))) & 0xFF));
+ } else if (d < 16) {
+ assert(data[i] == ((value.hi >> (8 * (d - 8))) & 0xFF));
+ } else {
+ assert(data[i] == GUARD_BYTE);
+ }
+ }
+}
+
+#define VERIFY_SQ(base, offset) \
+ do { \
+ struct mmr value = { \
+ .hi = 0x6665646362613938, \
+ .lo = 0x3736353433323130 \
+ }; \
+ \
+ memset(data, GUARD_BYTE, sizeof(data)); \
+ SQ(value, base, offset); \
+ verify_sq(value, base, offset); \
+ } while (0)
+
+int main()
+{
+ int i;
+
+ for (i = 16; i < 48; i++) {
+ VERIFY_SQ(&data[i], -16);
+ VERIFY_SQ(&data[i], -15);
+ VERIFY_SQ(&data[i], -14);
+ VERIFY_SQ(&data[i], -13);
+ VERIFY_SQ(&data[i], -12);
+ VERIFY_SQ(&data[i], -11);
+ VERIFY_SQ(&data[i], -10);
+ VERIFY_SQ(&data[i], -9);
+ VERIFY_SQ(&data[i], -8);
+ VERIFY_SQ(&data[i], -7);
+ VERIFY_SQ(&data[i], -6);
+ VERIFY_SQ(&data[i], -5);
+ VERIFY_SQ(&data[i], -4);
+ VERIFY_SQ(&data[i], -3);
+ VERIFY_SQ(&data[i], -2);
+ VERIFY_SQ(&data[i], -1);
+ VERIFY_SQ(&data[i], 0);
+ VERIFY_SQ(&data[i], 1);
+ VERIFY_SQ(&data[i], 2);
+ VERIFY_SQ(&data[i], 3);
+ VERIFY_SQ(&data[i], 4);
+ VERIFY_SQ(&data[i], 5);
+ VERIFY_SQ(&data[i], 6);
+ VERIFY_SQ(&data[i], 7);
+ VERIFY_SQ(&data[i], 8);
+ VERIFY_SQ(&data[i], 9);
+ VERIFY_SQ(&data[i], 10);
+ VERIFY_SQ(&data[i], 11);
+ VERIFY_SQ(&data[i], 12);
+ VERIFY_SQ(&data[i], 13);
+ VERIFY_SQ(&data[i], 14);
+ VERIFY_SQ(&data[i], 15);
+ VERIFY_SQ(&data[i], 16);
+ }
+
+ return 0;
+}
--
2.19.2
