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| author | Max Filippov | 2020-07-04 19:16:22 +0200 |
|---|---|---|
| committer | Max Filippov | 2020-08-21 21:48:15 +0200 |
| commit | ac81ff227d264b29b8b75068a75d047e2d736d6f (patch) | |
| tree | 561a678804d35f4da36e13782664f60150f6d4e6 | |
| parent | tests/tcg/xtensa: update test_fp0_arith for DFPU (diff) | |
| download | qemu-ac81ff227d264b29b8b75068a75d047e2d736d6f.tar.gz qemu-ac81ff227d264b29b8b75068a75d047e2d736d6f.tar.xz qemu-ac81ff227d264b29b8b75068a75d047e2d736d6f.zip | |
tests/tcg/xtensa: expand madd tests
Test that madd doesn't do rounding after multiplication.
Test NaN propagation rules for FPU2000 and DFPU madd opcode.
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
| -rw-r--r-- | tests/tcg/xtensa/test_fp0_arith.S | 104 |
1 files changed, 104 insertions, 0 deletions
diff --git a/tests/tcg/xtensa/test_fp0_arith.S b/tests/tcg/xtensa/test_fp0_arith.S index df870eb7a0..7eefc1da40 100644 --- a/tests/tcg/xtensa/test_fp0_arith.S +++ b/tests/tcg/xtensa/test_fp0_arith.S @@ -146,6 +146,110 @@ test madd_s FSR_I, FSR_I, FSR_I, FSR_I test_end +test madd_s_precision + test_op3 madd.s, f0, f1, f2, f0, 0xbf800002, 0x3f800001, 0x3f800001, \ + 0x28800000, 0x28800000, 0x28800000, 0x28800000, \ + FSR__, FSR__, FSR__, FSR__ +test_end + +#if DFPU +test madd_s_nan_dfpu + /* DFPU madd/msub NaN1, NaN2, NaN3 priority: NaN1, NaN3, NaN2 */ + test_op3 madd.s, f0, f1, f2, f0, F32_QNAN(1), F32_1, F32_1, \ + F32_QNAN(1), F32_QNAN(1), F32_QNAN(1), F32_QNAN(1), \ + FSR__, FSR__, FSR__, FSR__ + test_op3 madd.s, f0, f1, f2, f0, F32_1, F32_QNAN(2), F32_1, \ + F32_QNAN(2), F32_QNAN(2), F32_QNAN(2), F32_QNAN(2), \ + FSR__, FSR__, FSR__, FSR__ + test_op3 madd.s, f0, f1, f2, f0, F32_1, F32_1, F32_QNAN(3), \ + F32_QNAN(3), F32_QNAN(3), F32_QNAN(3), F32_QNAN(3), \ + FSR__, FSR__, FSR__, FSR__ + + test_op3 madd.s, f0, f1, f2, f0, F32_QNAN(1), F32_QNAN(2), F32_1, \ + F32_QNAN(1), F32_QNAN(1), F32_QNAN(1), F32_QNAN(1), \ + FSR__, FSR__, FSR__, FSR__ + test_op3 madd.s, f0, f1, f2, f0, F32_QNAN(1), F32_1, F32_QNAN(3), \ + F32_QNAN(1), F32_QNAN(1), F32_QNAN(1), F32_QNAN(1), \ + FSR__, FSR__, FSR__, FSR__ + test_op3 madd.s, f0, f1, f2, f0, F32_1, F32_QNAN(2), F32_QNAN(3), \ + F32_QNAN(3), F32_QNAN(3), F32_QNAN(3), F32_QNAN(3), \ + FSR__, FSR__, FSR__, FSR__ + + test_op3 madd.s, f0, f1, f2, f0, F32_QNAN(1), F32_QNAN(2), F32_QNAN(3), \ + F32_QNAN(1), F32_QNAN(1), F32_QNAN(1), F32_QNAN(1), \ + FSR__, FSR__, FSR__, FSR__ + + /* inf * 0 = default NaN */ + test_op3 madd.s, f0, f1, f2, f0, F32_1, F32_PINF, F32_0, \ + F32_DNAN, F32_DNAN, F32_DNAN, F32_DNAN, \ + FSR_V, FSR_V, FSR_V, FSR_V + /* inf * 0 + SNaN1 = QNaN1 */ + test_op3 madd.s, f0, f1, f2, f0, F32_SNAN(1), F32_PINF, F32_0, \ + F32_QNAN(1), F32_QNAN(1), F32_QNAN(1), F32_QNAN(1), \ + FSR_V, FSR_V, FSR_V, FSR_V + /* inf * 0 + QNaN1 = QNaN1 */ + test_op3 madd.s, f0, f1, f2, f0, F32_QNAN(1), F32_PINF, F32_0, \ + F32_QNAN(1), F32_QNAN(1), F32_QNAN(1), F32_QNAN(1), \ + FSR_V, FSR_V, FSR_V, FSR_V + + /* madd/msub SNaN turns to QNaN and sets Invalid flag */ + test_op3 madd.s, f0, f1, f2, f0, F32_SNAN(1), F32_1, F32_1, \ + F32_QNAN(1), F32_QNAN(1), F32_QNAN(1), F32_QNAN(1), \ + FSR_V, FSR_V, FSR_V, FSR_V + test_op3 madd.s, f0, f1, f2, f0, F32_QNAN(1), F32_SNAN(2), F32_1, \ + F32_QNAN(1), F32_QNAN(1), F32_QNAN(1), F32_QNAN(1), \ + FSR_V, FSR_V, FSR_V, FSR_V +test_end +#else +test madd_s_nan_fpu2k + /* FPU2000 madd/msub NaN1, NaN2, NaN3 priority: NaN2, NaN3, NaN1 */ + test_op3 madd.s, f0, f1, f2, f0, F32_QNAN(1), F32_1, F32_1, \ + F32_QNAN(1), F32_QNAN(1), F32_QNAN(1), F32_QNAN(1), \ + FSR__, FSR__, FSR__, FSR__ + test_op3 madd.s, f0, f1, f2, f0, F32_1, F32_QNAN(2), F32_1, \ + F32_QNAN(2), F32_QNAN(2), F32_QNAN(2), F32_QNAN(2), \ + FSR__, FSR__, FSR__, FSR__ + test_op3 madd.s, f0, f1, f2, f0, F32_1, F32_1, F32_QNAN(3), \ + F32_QNAN(3), F32_QNAN(3), F32_QNAN(3), F32_QNAN(3), \ + FSR__, FSR__, FSR__, FSR__ + + test_op3 madd.s, f0, f1, f2, f0, F32_QNAN(1), F32_QNAN(2), F32_1, \ + F32_QNAN(2), F32_QNAN(2), F32_QNAN(2), F32_QNAN(2), \ + FSR__, FSR__, FSR__, FSR__ + test_op3 madd.s, f0, f1, f2, f0, F32_QNAN(1), F32_1, F32_QNAN(3), \ + F32_QNAN(3), F32_QNAN(3), F32_QNAN(3), F32_QNAN(3), \ + FSR__, FSR__, FSR__, FSR__ + test_op3 madd.s, f0, f1, f2, f0, F32_1, F32_QNAN(2), F32_QNAN(3), \ + F32_QNAN(2), F32_QNAN(2), F32_QNAN(2), F32_QNAN(2), \ + FSR__, FSR__, FSR__, FSR__ + + test_op3 madd.s, f0, f1, f2, f0, F32_QNAN(1), F32_QNAN(2), F32_QNAN(3), \ + F32_QNAN(2), F32_QNAN(2), F32_QNAN(2), F32_QNAN(2), \ + FSR__, FSR__, FSR__, FSR__ + + /* inf * 0 = default NaN */ + test_op3 madd.s, f0, f1, f2, f0, F32_1, F32_PINF, F32_0, \ + F32_DNAN, F32_DNAN, F32_DNAN, F32_DNAN, \ + FSR__, FSR__, FSR__, FSR__ + /* inf * 0 + SNaN1 = SNaN1 */ + test_op3 madd.s, f0, f1, f2, f0, F32_SNAN(1), F32_PINF, F32_0, \ + F32_SNAN(1), F32_SNAN(1), F32_SNAN(1), F32_SNAN(1), \ + FSR__, FSR__, FSR__, FSR__ + /* inf * 0 + QNaN1 = QNaN1 */ + test_op3 madd.s, f0, f1, f2, f0, F32_QNAN(1), F32_PINF, F32_0, \ + F32_QNAN(1), F32_QNAN(1), F32_QNAN(1), F32_QNAN(1), \ + FSR__, FSR__, FSR__, FSR__ + + /* madd/msub SNaN is preserved */ + test_op3 madd.s, f0, f1, f2, f0, F32_SNAN(1), F32_1, F32_1, \ + F32_SNAN(1), F32_SNAN(1), F32_SNAN(1), F32_SNAN(1), \ + FSR__, FSR__, FSR__, FSR__ + test_op3 madd.s, f0, f1, f2, f0, F32_QNAN(1), F32_SNAN(2), F32_1, \ + F32_SNAN(2), F32_SNAN(2), F32_SNAN(2), F32_SNAN(2), \ + FSR__, FSR__, FSR__, FSR__ +test_end +#endif + test msub_s test_op3 msub.s, f0, f1, f2, f0, 0x3f800000, 0x3f800001, 0x3f800001, \ 0xb4800000, 0xb4800000, 0xb4800000, 0xb4800001, \ |