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-rw-r--r--tests/tcg/xtensa/test_dfp0_arith.S162
1 files changed, 162 insertions, 0 deletions
diff --git a/tests/tcg/xtensa/test_dfp0_arith.S b/tests/tcg/xtensa/test_dfp0_arith.S
new file mode 100644
index 0000000000..53bf8122d0
--- /dev/null
+++ b/tests/tcg/xtensa/test_dfp0_arith.S
@@ -0,0 +1,162 @@
+#include "macros.inc"
+#include "fpu.h"
+
+test_suite fp0_arith
+
+#if XCHAL_HAVE_DFP
+
+.macro movfp fr, v
+ movi a2, ((\v) >> 32) & 0xffffffff
+ movi a3, ((\v) & 0xffffffff)
+ wfrd \fr, a2, a3
+.endm
+
+.macro check_res fr, r, sr
+ rfrd a2, \fr
+ dump a2
+ movi a3, ((\r) >> 32) & 0xffffffff
+ assert eq, a2, a3
+ rfr a2, \fr
+ dump a2
+ movi a3, ((\r) & 0xffffffff)
+ assert eq, a2, a3
+ rur a2, fsr
+ movi a3, \sr
+ assert eq, a2, a3
+.endm
+
+test add_d
+ movi a2, 1
+ wsr a2, cpenable
+
+ /* MAX_FLOAT + MAX_FLOAT = +inf/MAX_FLOAT */
+ test_op2 add.d, f6, f7, f8, F64_MAX, F64_MAX, \
+ F64_PINF, F64_MAX, F64_PINF, F64_MAX, \
+ FSR_OI, FSR_OI, FSR_OI, FSR_OI
+test_end
+
+test add_d_inf
+ /* 1 + +inf = +inf */
+ test_op2 add.d, f6, f7, f8, F64_1, F64_PINF, \
+ F64_PINF, F64_PINF, F64_PINF, F64_PINF, \
+ FSR__, FSR__, FSR__, FSR__
+
+ /* +inf + -inf = default NaN */
+ test_op2 add.d, f0, f1, f2, F64_PINF, F64_NINF, \
+ F64_DNAN, F64_DNAN, F64_DNAN, F64_DNAN, \
+ FSR_V, FSR_V, FSR_V, FSR_V
+test_end
+
+test add_d_nan_dfpu
+ /* 1 + QNaN = QNaN */
+ test_op2 add.d, f9, f10, f11, F64_1, F64_QNAN(1), \
+ F64_QNAN(1), F64_QNAN(1), F64_QNAN(1), F64_QNAN(1), \
+ FSR__, FSR__, FSR__, FSR__
+ /* 1 + SNaN = QNaN */
+ test_op2 add.d, f12, f13, f14, F64_1, F64_SNAN(1), \
+ F64_QNAN(1), F64_QNAN(1), F64_QNAN(1), F64_QNAN(1), \
+ FSR_V, FSR_V, FSR_V, FSR_V
+
+ /* SNaN1 + SNaN2 = QNaN2 */
+ test_op2 add.d, f15, f0, f1, F64_SNAN(1), F64_SNAN(2), \
+ F64_QNAN(1), F64_QNAN(1), F64_QNAN(1), F64_QNAN(1), \
+ FSR_V, FSR_V, FSR_V, FSR_V
+ /* QNaN1 + SNaN2 = QNaN2 */
+ test_op2 add.d, f5, f6, f7, F64_QNAN(1), F64_SNAN(2), \
+ F64_QNAN(1), F64_QNAN(1), F64_QNAN(1), F64_QNAN(1), \
+ FSR_V, FSR_V, FSR_V, FSR_V
+ /* SNaN1 + QNaN2 = QNaN2 */
+ test_op2 add.d, f8, f9, f10, F64_SNAN(1), F64_QNAN(2), \
+ F64_QNAN(1), F64_QNAN(1), F64_QNAN(1), F64_QNAN(1), \
+ FSR_V, FSR_V, FSR_V, FSR_V
+test_end
+
+test sub_d
+ /* norm - norm = denorm */
+ test_op2 sub.d, f6, f7, f8, F64_MIN_NORM | 1, F64_MIN_NORM, \
+ 0x00000001, 0x00000001, 0x00000001, 0x00000001, \
+ FSR__, FSR__, FSR__, FSR__
+test_end
+
+test mul_d
+ test_op2 mul.d, f0, f1, f2, F64_1 | 1, F64_1 | 1, \
+ F64_1 | 2, F64_1 | 2, F64_1 | 3, F64_1 | 2, \
+ FSR_I, FSR_I, FSR_I, FSR_I
+ /* MAX_FLOAT/2 * MAX_FLOAT/2 = +inf/MAX_FLOAT */
+ test_op2 mul.d, f6, f7, f8, F64_MAX_2, F64_MAX_2, \
+ F64_PINF, F64_MAX, F64_PINF, F64_MAX, \
+ FSR_OI, FSR_OI, FSR_OI, FSR_OI
+ /* min norm * min norm = 0/denorm */
+ test_op2 mul.d, f6, f7, f8, F64_MIN_NORM, F64_MIN_NORM, \
+ F64_0, F64_0, 0x00000001, F64_0, \
+ FSR_UI, FSR_UI, FSR_UI, FSR_UI
+ /* inf * 0 = default NaN */
+ test_op2 mul.d, f6, f7, f8, F64_PINF, F64_0, \
+ F64_DNAN, F64_DNAN, F64_DNAN, F64_DNAN, \
+ FSR_V, FSR_V, FSR_V, FSR_V
+test_end
+
+test madd_d
+ test_op3 madd.d, f0, f1, f2, f0, F64_0, F64_1 | 1, F64_1 | 1, \
+ F64_1 | 2, F64_1 | 2, F64_1 | 3, F64_1 | 2, \
+ FSR_I, FSR_I, FSR_I, FSR_I
+test_end
+
+test madd_d_precision
+ test_op3 madd.d, f0, f1, f2, f0, \
+ F64_MINUS | F64_1 | 2, F64_1 | 1, F64_1 | 1, \
+ 0x3970000000000000, 0x3970000000000000, 0x3970000000000000, 0x3970000000000000, \
+ FSR__, FSR__, FSR__, FSR__
+test_end
+
+test madd_d_nan_dfpu
+ /* DFPU madd/msub NaN1, NaN2, NaN3 priority: NaN1, NaN3, NaN2 */
+ test_op3 madd.d, f0, f1, f2, f0, F64_QNAN(1), F64_1, F64_1, \
+ F64_QNAN(1), F64_QNAN(1), F64_QNAN(1), F64_QNAN(1), \
+ FSR__, FSR__, FSR__, FSR__
+ test_op3 madd.d, f0, f1, f2, f0, F64_1, F64_QNAN(2), F64_1, \
+ F64_QNAN(2), F64_QNAN(2), F64_QNAN(2), F64_QNAN(2), \
+ FSR__, FSR__, FSR__, FSR__
+ test_op3 madd.d, f0, f1, f2, f0, F64_1, F64_1, F64_QNAN(3), \
+ F64_QNAN(3), F64_QNAN(3), F64_QNAN(3), F64_QNAN(3), \
+ FSR__, FSR__, FSR__, FSR__
+
+ test_op3 madd.d, f0, f1, f2, f0, F64_QNAN(1), F64_QNAN(2), F64_1, \
+ F64_QNAN(1), F64_QNAN(1), F64_QNAN(1), F64_QNAN(1), \
+ FSR__, FSR__, FSR__, FSR__
+ test_op3 madd.d, f0, f1, f2, f0, F64_QNAN(1), F64_1, F64_QNAN(3), \
+ F64_QNAN(1), F64_QNAN(1), F64_QNAN(1), F64_QNAN(1), \
+ FSR__, FSR__, FSR__, FSR__
+ test_op3 madd.d, f0, f1, f2, f0, F64_1, F64_QNAN(2), F64_QNAN(3), \
+ F64_QNAN(3), F64_QNAN(3), F64_QNAN(3), F64_QNAN(3), \
+ FSR__, FSR__, FSR__, FSR__
+
+ test_op3 madd.d, f0, f1, f2, f0, F64_QNAN(1), F64_QNAN(2), F64_QNAN(3), \
+ F64_QNAN(1), F64_QNAN(1), F64_QNAN(1), F64_QNAN(1), \
+ FSR__, FSR__, FSR__, FSR__
+
+ /* inf * 0 = default NaN */
+ test_op3 madd.d, f0, f1, f2, f0, F64_1, F64_PINF, F64_0, \
+ F64_DNAN, F64_DNAN, F64_DNAN, F64_DNAN, \
+ FSR_V, FSR_V, FSR_V, FSR_V
+ /* inf * 0 + SNaN1 = QNaN1 */
+ test_op3 madd.d, f0, f1, f2, f0, F64_SNAN(1), F64_PINF, F64_0, \
+ F64_QNAN(1), F64_QNAN(1), F64_QNAN(1), F64_QNAN(1), \
+ FSR_V, FSR_V, FSR_V, FSR_V
+ /* inf * 0 + QNaN1 = QNaN1 */
+ test_op3 madd.d, f0, f1, f2, f0, F64_QNAN(1), F64_PINF, F64_0, \
+ F64_QNAN(1), F64_QNAN(1), F64_QNAN(1), F64_QNAN(1), \
+ FSR_V, FSR_V, FSR_V, FSR_V
+
+ /* madd/msub SNaN turns to QNaN and sets Invalid flag */
+ test_op3 madd.d, f0, f1, f2, f0, F64_SNAN(1), F64_1, F64_1, \
+ F64_QNAN(1), F64_QNAN(1), F64_QNAN(1), F64_QNAN(1), \
+ FSR_V, FSR_V, FSR_V, FSR_V
+ test_op3 madd.d, f0, f1, f2, f0, F64_QNAN(1), F64_SNAN(2), F64_1, \
+ F64_QNAN(1), F64_QNAN(1), F64_QNAN(1), F64_QNAN(1), \
+ FSR_V, FSR_V, FSR_V, FSR_V
+test_end
+
+#endif
+
+test_suite_end