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authorMax Filippov <jcmvbkbc@gmail.com>2011-10-10 06:25:41 +0400
committerBlue Swirl <blauwirbel@gmail.com>2011-10-15 21:03:41 +0000
commite7e9af5c822bdeee65a55c14299a71898d151287 (patch)
tree0772f6bfb3519b70490eab3020cf0d896724ad0c
parent6825b6c33c5668f0993b03937623d3e891aa540f (diff)
downloadqemu-arm-e7e9af5c822bdeee65a55c14299a71898d151287.tar.gz
target-xtensa: add MAC16 unit tests
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
-rw-r--r--tests/xtensa/Makefile1
-rw-r--r--tests/xtensa/test_mac16.S243
2 files changed, 244 insertions, 0 deletions
diff --git a/tests/xtensa/Makefile b/tests/xtensa/Makefile
index 70bd097ec4..15d39dace1 100644
--- a/tests/xtensa/Makefile
+++ b/tests/xtensa/Makefile
@@ -28,6 +28,7 @@ TESTCASES += test_clamps.tst
TESTCASES += test_fail.tst
TESTCASES += test_interrupt.tst
TESTCASES += test_loop.tst
+TESTCASES += test_mac16.tst
TESTCASES += test_max.tst
TESTCASES += test_min.tst
TESTCASES += test_mmu.tst
diff --git a/tests/xtensa/test_mac16.S b/tests/xtensa/test_mac16.S
new file mode 100644
index 0000000000..5ddd160ffc
--- /dev/null
+++ b/tests/xtensa/test_mac16.S
@@ -0,0 +1,243 @@
+.include "macros.inc"
+
+test_suite 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
+
+test_suite_end