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#include "macros.inc"
test_suite mac16
#if XCHAL_HAVE_MAC16
#define ext16(v) (((v) & 0xffff) | (((v) & 0x8000) * 0x1ffffffe))
#define mul16(a, b) ((ext16(a) * ext16(b)))
.macro assert_acc_value v
rsr a4, ACCLO
movi a5, (\v) & 0xffffffff
assert eq, a4, a5
rsr a4, ACCHI
movi a5, (\v) >> 32
sext a5, a5, 7
assert eq, a4, a5
.endm
.macro init_reg sr, reg, val
.if (\sr)
movi a4, \val
wsr a4, \reg
.else
movi \reg, \val
.endif
.endm
.macro test_mulxx mulop, comb, s, t, a, b
init_reg \comb & 2, \s, \a
init_reg \comb & 1, \t, \b
\mulop\().ll \s, \t
assert_acc_value mul16(\a, \b)
\mulop\().lh \s, \t
assert_acc_value mul16(\a, (\b >> 16))
\mulop\().hl \s, \t
assert_acc_value mul16((\a >> 16), \b)
\mulop\().hh \s, \t
assert_acc_value mul16((\a >> 16), (\b >> 16))
.endm
test mul_aa
test_mulxx mul.aa, 0, a2, a3, 0xf7315a5a, 0xa5a5137f
test_end
test mul_ad
test_mulxx mul.ad, 1, a2, m2, 0xf7315a5a, 0xa5a5137f
test_end
test mul_da
test_mulxx mul.da, 2, m1, a3, 0xf7315a5a, 0xa5a5137f
test_end
test mul_dd
test_mulxx mul.dd, 3, m0, m3, 0xf7315a5a, 0xa5a5137f
test_end
.macro init_acc iv
movi a4, (\iv) & 0xffffffff
wsr a4, ACCLO
movi a4, (\iv) >> 32
wsr a4, ACCHI
.endm
.macro test_mulxxx mulop, comb, s, t, a, b, iv, op
init_reg \comb & 2, \s, \a
init_reg \comb & 1, \t, \b
init_acc \iv
\mulop\().ll \s, \t
assert_acc_value (\iv \op mul16(\a, \b))
init_acc \iv
\mulop\().lh \s, \t
assert_acc_value (\iv \op mul16(\a, (\b >> 16)))
init_acc \iv
\mulop\().hl \s, \t
assert_acc_value (\iv \op mul16((\a >> 16), \b))
init_acc \iv
\mulop\().hh \s, \t
assert_acc_value (\iv \op mul16((\a >> 16), (\b >> 16)))
.endm
test mula_aa
test_mulxxx mula.aa, 0, a2, a3, 0xf7315a5a, 0xa5a5137f, 0xfff73155aa, +
test_end
test mula_ad
test_mulxxx mula.ad, 1, a2, m2, 0xf7315a5a, 0xa5a5137f, 0xfff73155aa, +
test_end
test mula_da
test_mulxxx mula.da, 2, m1, a3, 0xf7315a5a, 0xa5a5137f, 0x0ff73155aa, +
test_end
test mula_dd
test_mulxxx mula.dd, 3, m0, m3, 0xf7315a5a, 0xa5a5137f, 0x0ff73155aa, +
test_end
test muls_aa
test_mulxxx muls.aa, 0, a2, a3, 0xf7315a5a, 0xa5a5137f, 0x0ff73155aa, -
test_end
test muls_ad
test_mulxxx muls.ad, 1, a2, m2, 0xf7315a5a, 0xa5a5137f, 0x0ff73155aa, -
test_end
test muls_da
test_mulxxx muls.da, 2, m1, a3, 0xf7315a5a, 0xa5a5137f, 0xfff73155aa, -
test_end
test muls_dd
test_mulxxx muls.dd, 3, m0, m3, 0xf7315a5a, 0xa5a5137f, 0xfff73155aa, -
test_end
test ldinc
movi a2, 1f - 4
ldinc m0, a2
movi a3, 1f
assert eq, a2, a3
rsr a3, m0
movi a4, 0x55aa137f
assert eq, a3, a4
ldinc m1, a2
movi a3, 1f + 4
assert eq, a2, a3
rsr a3, m1
movi a4, 0x12345678
assert eq, a3, a4
.data
1: .word 0x55aa137f, 0x12345678, 0x137fa5a5
.text
test_end
test lddec
movi a2, 1f
lddec m2, a2
movi a3, 1f - 4
assert eq, a2, a3
rsr a3, m2
movi a4, 0x12345678
assert eq, a3, a4
lddec m3, a2
movi a3, 1f - 8
assert eq, a2, a3
rsr a3, m3
movi a4, 0x55aa137f
assert eq, a3, a4
.data
.word 0x55aa137f, 0x12345678
1:
.text
test_end
.macro test_mulxxx_ld mulop, ldop, comb, w, x, s, t, a, b, iv, op
init_reg \comb & 2, \s, \a
init_reg \comb & 1, \t, \b
init_acc \iv
\mulop\().ll.\ldop \w, \x, \s, \t
assert_acc_value (\iv \op mul16(\a, \b))
init_acc \iv
\mulop\().lh.\ldop \w, \x, \s, \t
assert_acc_value (\iv \op mul16(\a, (\b >> 16)))
init_acc \iv
\mulop\().hl.\ldop \w, \x, \s, \t
assert_acc_value (\iv \op mul16((\a >> 16), \b))
init_acc \iv
\mulop\().hh.\ldop \w, \x, \s, \t
assert_acc_value (\iv \op mul16((\a >> 16), (\b >> 16)))
.endm
test mula_da_ldinc
movi a2, 1f - 4
test_mulxxx_ld mula.da, ldinc, 2, m1, a2, m1, a3, \
0xf7315a5a, 0xa5a5137f, 0x0ff73155aa, +
movi a3, 1f + 12
assert eq, a2, a3
rsr a2, m1
movi a3, 0x12345678
assert eq, a2, a3
.data
1: .word 0xf7315a5a, 0xf7315a5a, 0xf7315a5a, 0x12345678
.text
test_end
test mula_dd_ldinc
movi a2, 1f - 4
test_mulxxx_ld mula.dd, ldinc, 3, m2, a2, m1, m2, \
0xf7315a5a, 0xa5a5137f, 0x0ff73155aa, +
movi a3, 1f + 12
assert eq, a2, a3
rsr a2, m2
movi a3, 0x12345678
assert eq, a2, a3
.data
1: .word 0xa5a5137f, 0xa5a5137f, 0xa5a5137f, 0x12345678
.text
test_end
test mula_da_lddec
movi a2, 1f
test_mulxxx_ld mula.da, lddec, 2, m1, a2, m1, a3, \
0xf7315a5a, 0xa5a5137f, 0x0ff73155aa, +
movi a3, 1f - 16
assert eq, a2, a3
rsr a2, m1
movi a3, 0x12345678
assert eq, a2, a3
.data
.word 0x12345678, 0xf7315a5a, 0xf7315a5a, 0xf7315a5a
1:
.text
test_end
test mula_dd_lddec
movi a2, 1f
test_mulxxx_ld mula.dd, lddec, 3, m2, a2, m1, m2, \
0xf7315a5a, 0xa5a5137f, 0x0ff73155aa, +
movi a3, 1f - 16
assert eq, a2, a3
rsr a2, m2
movi a3, 0x12345678
assert eq, a2, a3
.data
.word 0x12345678, 0xa5a5137f, 0xa5a5137f, 0xa5a5137f
1:
.text
test_end
#endif
test_suite_end
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