target-xtensa: add s32c1i unit tests

Signed-off-by: NMax Filippov <jcmvbkbc@gmail.com>
Signed-off-by: NBlue Swirl <blauwirbel@gmail.com>

tests/tcg/xtensa/Makefile

@@ -42,6 +42,7 @@ endif
 TESTCASES += test_quo.tst
 TESTCASES += test_rem.tst
 TESTCASES += test_rst0.tst
+TESTCASES += test_s32c1i.tst
 TESTCASES += test_sar.tst
 TESTCASES += test_sext.tst
 TESTCASES += test_shift.tst

tests/tcg/xtensa/test_s32c1i.S

+.include "macros.inc"
+
+test_suite s32c1i
+
+test s32c1i_nowrite
+    movi    a2, 1f
+    movi    a3, 1
+    wsr     a3, scompare1
+    movi    a1, 2
+    s32c1i  a1, a2, 0
+    assert  ne, a1, a3
+    l32i    a1, a2, 0
+    assert  eqi, a1, 3
+
+.data
+.align 4
+1:
+    .word   3
+.text
+test_end
+
+test s32c1i_write
+    movi    a2, 1f
+    movi    a3, 3
+    wsr     a3, scompare1
+    movi    a1, 2
+    s32c1i  a1, a2, 0
+    assert  eq, a1, a3
+    l32i    a1, a2, 0
+    assert  eqi, a1, 2
+
+.data
+.align 4
+1:
+    .word   3
+.text
+test_end
+
+test_suite_end