1 files changed, 36 insertions, 0 deletions
diff --git a/isa/rv64uf/recoding.S b/isa/rv64uf/recoding.S
new file mode 100644
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+++ b/isa/rv64uf/recoding.S
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+# See LICENSE for license details.
+
+#*****************************************************************************
+# recoding.S
+#-----------------------------------------------------------------------------
+#
+# Test corner cases of John Hauser's microarchitectural recoding scheme.
+#
+
+#include "riscv_test.h"
+#include "test_macros.h"
+
+RVTEST_RV64UF
+RVTEST_CODE_BEGIN
+
+  # Infinity has a redundant internal form in Rocket.
+  # Make sure two different internal infinities compare as equal.
+  li TESTNUM, 8
+  flw f0, minf, a0
+  flw f1, three, a0
+  fmul.s f1, f1, f0
+  TEST_CASE( 8, a0, 1, feq.s a0, f0, f1)
+  TEST_CASE( 9, a0, 1, fle.s a0, f0, f1)
+  TEST_CASE(10, a0, 0, flt.s a0, f0, f1)
+
+  TEST_PASSFAIL
+
+RVTEST_CODE_END
+
+  .data
+RVTEST_DATA_BEGIN
+
+minf: .float -Inf
+three: .float 3.0
+
+RVTEST_DATA_END