@@ -39,6 +39,7 @@ TESTCASES += test_clamps.tst
TESTCASES += test_extui.tst
TESTCASES += test_fail.tst
TESTCASES += test_flix.tst
+TESTCASES += test_fp0_arith.tst
TESTCASES += test_interrupt.tst
TESTCASES += test_loop.tst
TESTCASES += test_lsc.tst
@@ -98,6 +98,23 @@ test_\name:
s32i a3, a2, 0
.endm
+.macro dump r
+#ifdef DEBUG
+.data
+.align 4
+1: .word 0
+.text
+ movi a4, 1b
+ s32i a2, a4, 0
+ movi a2, 4
+ movi a3, 1
+ movi a5, 4
+ simcall
+ movi a4, 1b
+ l32i a2, a4, 0
+#endif
+.endm
+
#define glue(a, b) _glue(a, b)
#define _glue(a, b) a ## b
new file mode 100644
@@ -0,0 +1,173 @@
+#include "macros.inc"
+
+test_suite fp0_arith
+
+#if XCHAL_HAVE_FP
+
+.macro movfp fr, v
+ movi a2, \v
+ wfr \fr, a2
+.endm
+
+.macro check_res fr, r
+ rfr a2, \fr
+ dump a2
+ movi a3, \r
+ assert eq, a2, a3
+ rur a2, fsr
+ assert eqi, a2, 0
+.endm
+
+.macro test_op2_rm op, fr0, fr1, fr2, v0, v1, r
+ movi a2, 0
+ wur a2, fsr
+ movfp \fr0, \v0
+ movfp \fr1, \v1
+ \op \fr2, \fr0, \fr1
+ check_res \fr2, \r
+.endm
+
+.macro test_op3_rm op, fr0, fr1, fr2, fr3, v0, v1, v2, r
+ movi a2, 0
+ wur a2, fsr
+ movfp \fr0, \v0
+ movfp \fr1, \v1
+ movfp \fr2, \v2
+ \op \fr0, \fr1, \fr2
+ check_res \fr3, \r
+.endm
+
+.macro test_op2_ex op, fr0, fr1, fr2, v0, v1, rm, r
+ movi a2, \rm
+ wur a2, fcr
+ test_op2_rm \op, \fr0, \fr1, \fr2, \v0, \v1, \r
+ movi a2, (\rm) | 0x7c
+ wur a2, fcr
+ test_op2_rm \op, \fr0, \fr1, \fr2, \v0, \v1, \r
+.endm
+
+.macro test_op3_ex op, fr0, fr1, fr2, fr3, v0, v1, v2, rm, r
+ movi a2, \rm
+ wur a2, fcr
+ test_op3_rm \op, \fr0, \fr1, \fr2, \fr3, \v0, \v1, \v2, \r
+ movi a2, (\rm) | 0x7c
+ wur a2, fcr
+ test_op3_rm \op, \fr0, \fr1, \fr2, \fr3, \v0, \v1, \v2, \r
+.endm
+
+.macro test_op2 op, fr0, fr1, fr2, v0, v1, r0, r1, r2, r3
+ test_op2_ex \op, \fr0, \fr1, \fr2, \v0, \v1, 0, \r0
+ test_op2_ex \op, \fr0, \fr1, \fr2, \v0, \v1, 1, \r1
+ test_op2_ex \op, \fr0, \fr1, \fr2, \v0, \v1, 2, \r2
+ test_op2_ex \op, \fr0, \fr1, \fr2, \v0, \v1, 3, \r3
+.endm
+
+.macro test_op3 op, fr0, fr1, fr2, fr3, v0, v1, v2, r0, r1, r2, r3
+ test_op3_ex \op, \fr0, \fr1, \fr2, \fr3, \v0, \v1, \v2, 0, \r0
+ test_op3_ex \op, \fr0, \fr1, \fr2, \fr3, \v0, \v1, \v2, 1, \r1
+ test_op3_ex \op, \fr0, \fr1, \fr2, \fr3, \v0, \v1, \v2, 2, \r2
+ test_op3_ex \op, \fr0, \fr1, \fr2, \fr3, \v0, \v1, \v2, 3, \r3
+.endm
+
+.macro test_op2_cpe op
+ set_vector kernel, 2f
+ movi a2, 0
+ wsr a2, cpenable
+1:
+ \op f2, f0, f1
+ test_fail
+2:
+ rsr a2, excvaddr
+ movi a3, 1b
+ assert eq, a2, a3
+ rsr a2, exccause
+ movi a3, 32
+ assert eq, a2, a3
+
+ set_vector kernel, 0
+ movi a2, 1
+ wsr a2, cpenable
+.endm
+
+test add_s
+ movi a2, 1
+ wsr a2, cpenable
+
+ test_op2 add.s, f0, f1, f2, 0x3fc00000, 0x34400000, \
+ 0x3fc00002, 0x3fc00001, 0x3fc00002, 0x3fc00001
+ test_op2 add.s, f3, f4, f5, 0x3fc00000, 0x34a00000, \
+ 0x3fc00002, 0x3fc00002, 0x3fc00003, 0x3fc00002
+
+ /* MAX_FLOAT + MAX_FLOAT = +inf/MAX_FLOAT */
+ test_op2 add.s, f6, f7, f8, 0x7f7fffff, 0x7f7fffff, \
+ 0x7f800000, 0x7f7fffff, 0x7f800000, 0x7f7fffff
+test_end
+
+test add_s_inf
+ /* 1 + +inf = +inf */
+ test_op2 add.s, f6, f7, f8, 0x3fc00000, 0x7f800000, \
+ 0x7f800000, 0x7f800000, 0x7f800000, 0x7f800000
+
+ /* +inf + -inf = default NaN */
+ test_op2 add.s, f0, f1, f2, 0x7f800000, 0xff800000, \
+ 0x7fc00000, 0x7fc00000, 0x7fc00000, 0x7fc00000
+test_end
+
+test add_s_nan
+ /* 1 + NaN = NaN */
+ test_op2 add.s, f9, f10, f11, 0x3fc00000, 0x7fc00001, \
+ 0x7fc00001, 0x7fc00001, 0x7fc00001, 0x7fc00001
+ test_op2 add.s, f12, f13, f14, 0x3fc00000, 0x7f800001, \
+ 0x7f800001, 0x7f800001, 0x7f800001, 0x7f800001
+
+ /* NaN1 + NaN2 = NaN1 */
+ test_op2 add.s, f15, f0, f1, 0x7f800001, 0x7fbfffff, \
+ 0x7f800001, 0x7f800001, 0x7f800001, 0x7f800001
+ test_op2 add.s, f2, f3, f4, 0x7fbfffff, 0x7f800001, \
+ 0x7fbfffff, 0x7fbfffff, 0x7fbfffff, 0x7fbfffff
+ test_op2 add.s, f5, f6, f7, 0x7fc00001, 0x7fbfffff, \
+ 0x7fc00001, 0x7fc00001, 0x7fc00001, 0x7fc00001
+ test_op2 add.s, f8, f9, f10, 0x7fbfffff, 0x7fc00001, \
+ 0x7fbfffff, 0x7fbfffff, 0x7fbfffff, 0x7fbfffff
+test_end
+
+test sub_s
+ test_op2 sub.s, f0, f1, f0, 0x3f800001, 0x33800000, \
+ 0x3f800000, 0x3f800000, 0x3f800001, 0x3f800000
+ test_op2 sub.s, f0, f1, f1, 0x3f800002, 0x33800000, \
+ 0x3f800002, 0x3f800001, 0x3f800002, 0x3f800001
+
+ /* norm - norm = denorm */
+ test_op2 sub.s, f6, f7, f8, 0x00800001, 0x00800000, \
+ 0x00000001, 0x00000001, 0x00000001, 0x00000001
+test_end
+
+test mul_s
+ test_op2 mul.s, f0, f1, f2, 0x3f800001, 0x3f800001, \
+ 0x3f800002, 0x3f800002, 0x3f800003, 0x3f800002
+
+ /* MAX_FLOAT/2 * MAX_FLOAT/2 = +inf/MAX_FLOAT */
+ test_op2 mul.s, f6, f7, f8, 0x7f000000, 0x7f000000, \
+ 0x7f800000, 0x7f7fffff, 0x7f800000, 0x7f7fffff
+ /* min norm * min norm = 0/denorm */
+ test_op2 mul.s, f6, f7, f8, 0x00800001, 0x00800000, \
+ 0x00000000, 0x00000000, 0x00000001, 0x00000000
+
+ /* inf * 0 = default NaN */
+ test_op2 mul.s, f6, f7, f8, 0x7f800000, 0x00000000, \
+ 0x7fc00000, 0x7fc00000, 0x7fc00000, 0x7fc00000
+test_end
+
+test madd_s
+ test_op3 madd.s, f0, f1, f2, f0, 0, 0x3f800001, 0x3f800001, \
+ 0x3f800002, 0x3f800002, 0x3f800003, 0x3f800002
+test_end
+
+test msub_s
+ test_op3 msub.s, f0, f1, f2, f0, 0x3f800000, 0x3f800001, 0x3f800001, \
+ 0xb4800000, 0xb4800000, 0xb4800000, 0xb4800001
+test_end
+
+#endif
+
+test_suite_end
Test arithmetic operations for normal, NaN and Inf arguments. Signed-off-by: Max Filippov <jcmvbkbc@gmail.com> --- tests/tcg/xtensa/Makefile | 1 + tests/tcg/xtensa/macros.inc | 17 ++++ tests/tcg/xtensa/test_fp0_arith.S | 173 ++++++++++++++++++++++++++++++++++++++ 3 files changed, 191 insertions(+) create mode 100644 tests/tcg/xtensa/test_fp0_arith.S