tests/tcg/xtensa: add FP0 group arithmetic tests

Test arithmetic operations for normal, NaN and Inf arguments.

Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
This commit is contained in:
Max Filippov 2012-09-06 04:23:44 +04:00
parent 5e33b037b5
commit 9d012e8ec2
3 changed files with 191 additions and 0 deletions

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@ -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

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@ -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

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@ -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