1 files changed, 42 insertions, 0 deletions
diff --git a/isa/rv32ud/ldst.S b/isa/rv32ud/ldst.S
new file mode 100644
index 0000000..e39fe30
--- /dev/null
+++ b/isa/rv32ud/ldst.S
@@ -0,0 +1,42 @@
+# See LICENSE for license details.
+
+#*****************************************************************************
+# ldst.S
+#-----------------------------------------------------------------------------
+#
+# This test verifies that flw, fld, fsw, and fsd work properly.
+#
+
+#include "riscv_test.h"
+#include "test_macros.h"
+
+RVTEST_RV32UF
+RVTEST_CODE_BEGIN
+
+  la s0, tdat
+  TEST_CASE_D32(2, a0, a1, 0x40000000bf800000, fld f2, 0(s0); fsd f2, 16(s0); lw a0, 16(s0); lw a1, 20(s0))
+  TEST_CASE_D32(3, a0, a1, 0x40000000bf800000, fld f2, 0(s0); fsw f2, 16(s0); lw a0, 16(s0); lw a1, 20(s0))
+  TEST_CASE_D32(4, a0, a1, 0x40000000bf800000, flw f2, 0(s0); fsw f2, 16(s0); lw a0, 16(s0); lw a1, 20(s0))
+  TEST_CASE_D32(5, a0, a1, 0xc080000040400000, fld f2, 8(s0); fsd f2, 16(s0); lw a0, 16(s0); lw a1, 20(s0))
+  TEST_CASE_D32(6, a0, a1, 0xffffffff40400000, flw f2, 8(s0); fsd f2, 16(s0); lw a0, 16(s0); lw a1, 20(s0))
+
+  TEST_PASSFAIL
+
+RVTEST_CODE_END
+
+  .data
+RVTEST_DATA_BEGIN
+
+  TEST_DATA
+
+tdat:
+.word 0xbf800000
+.word 0x40000000
+.word 0x40400000
+.word 0xc0800000
+.word 0xdeadbeef
+.word 0xcafebabe
+.word 0xabad1dea
+.word 0x1337d00d
+
+RVTEST_DATA_END