-from soc.fu.test.common import (TestAccumulatorBase, skip_case)
-from soc.config.endian import bigendian
-from soc.simulator.program import Program
-from soc.decoder.isa.caller import SVP64State
-from soc.sv.trans.svp64 import SVP64Asm
+# moved to openpower-isa
+# https://git.libre-soc.org/?p=openpower-isa.git;a=summary
+# wildcard imports here ONLY to support migration
-
-class SVP64ALUTestCase(TestAccumulatorBase):
-
- def case_1_sv_add(self):
- # adds:
- # 1 = 5 + 9 => 0x5555 = 0x4321 + 0x1234
- # 2 = 6 + 10 => 0x3334 = 0x2223 + 0x1111
- isa = SVP64Asm(['sv.add 1.v, 5.v, 9.v'])
- lst = list(isa)
- print("listing", lst)
-
- # initial values in GPR regfile
- initial_regs = [0] * 32
- initial_regs[9] = 0x1234
- initial_regs[10] = 0x1111
- initial_regs[5] = 0x4321
- initial_regs[6] = 0x2223
- # SVSTATE (in this case, VL=2)
- svstate = SVP64State()
- svstate.vl[0:7] = 2 # VL
- svstate.maxvl[0:7] = 2 # MAXVL
- print("SVSTATE", bin(svstate.spr.asint()))
-
- self.add_case(Program(lst, bigendian), initial_regs,
- initial_svstate=svstate)
-
- def case_2_sv_add_scalar(self):
- # adds:
- # 1 = 5 + 9 => 0x5555 = 0x4321 + 0x1234
- isa = SVP64Asm(['sv.add 1, 5, 9'])
- lst = list(isa)
- print("listing", lst)
-
- # initial values in GPR regfile
- initial_regs = [0] * 32
- initial_regs[9] = 0x1234
- initial_regs[5] = 0x4321
- svstate = SVP64State()
- # SVSTATE (in this case, VL=1, so everything works as in v3.0B)
- svstate.vl[0:7] = 1 # VL
- svstate.maxvl[0:7] = 1 # MAXVL
- print("SVSTATE", bin(svstate.spr.asint()))
-
- self.add_case(Program(lst, bigendian), initial_regs,
- initial_svstate=svstate)
-
- # This case helps checking the encoding of the Extra field
- # It was built so the v3.0b registers are: 3, 2, 1
- # and the Extra field is: 101.110.111
- # The expected SVP64 register numbers are: 13, 10, 7
- # Any mistake in decoding will probably give a different answer
- def case_3_sv_check_extra(self):
- # adds:
- # 13 = 10 + 7 => 0x4242 = 0x1230 + 0x3012
- isa = SVP64Asm(['sv.add 13.v, 10.v, 7.v'])
- lst = list(isa)
- print("listing", lst)
-
- # initial values in GPR regfile
- initial_regs = [0] * 32
- initial_regs[7] = 0x3012
- initial_regs[10] = 0x1230
- svstate = SVP64State()
- # SVSTATE (in this case, VL=1, so everything works as in v3.0B)
- svstate.vl[0:7] = 1 # VL
- svstate.maxvl[0:7] = 1 # MAXVL
- print("SVSTATE", bin(svstate.spr.asint()))
-
- self.add_case(Program(lst, bigendian), initial_regs,
- initial_svstate=svstate)
-
- def case_4_sv_add_(self):
- # adds when Rc=1: TODO CRs higher up
- # 1 = 5 + 9 => 0 = -1+1 CR0=0b100
- # 2 = 6 + 10 => 0x3334 = 0x2223+0x1111 CR1=0b010
-
- isa = SVP64Asm(['sv.add. 1.v, 5.v, 9.v'])
- lst = list(isa)
- print("listing", lst)
-
- # initial values in GPR regfile
- initial_regs = [0] * 32
- initial_regs[9] = 0xffffffffffffffff
- initial_regs[10] = 0x1111
- initial_regs[5] = 0x1
- initial_regs[6] = 0x2223
-
- # SVSTATE (in this case, VL=2)
- svstate = SVP64State()
- svstate.vl[0:7] = 2 # VL
- svstate.maxvl[0:7] = 2 # MAXVL
- print("SVSTATE", bin(svstate.spr.asint()))
-
- self.add_case(Program(lst, bigendian), initial_regs,
- initial_svstate=svstate)
-
- def case_5_sv_check_vl_0(self):
- # adds:
- # 1 = 5 + 9 => 0x5555 = 0x4321 + 0x1234
- isa = SVP64Asm([
- 'sv.add 13.v, 10.v, 7.v', # skipped, because VL == 0
- 'add 1, 5, 9'
- ])
- lst = list(isa)
- print("listing", lst)
-
- # initial values in GPR regfile
- initial_regs = [0] * 32
- initial_regs[9] = 0x1234
- initial_regs[5] = 0x4321
- initial_regs[7] = 0x3012
- initial_regs[10] = 0x1230
- svstate = SVP64State()
- # SVSTATE (in this case, VL=0, so vector instructions are skipped)
- svstate.vl[0:7] = 0 # VL
- svstate.maxvl[0:7] = 0 # MAXVL
- print("SVSTATE", bin(svstate.spr.asint()))
-
- self.add_case(Program(lst, bigendian), initial_regs,
- initial_svstate=svstate)
-
- # checks that SRCSTEP was reset properly after an SV instruction
- def case_6_sv_add_multiple(self):
- # adds:
- # 1 = 5 + 9 => 0x5555 = 0x4321 + 0x1234
- # 2 = 6 + 10 => 0x3334 = 0x2223 + 0x1111
- # 3 = 7 + 11 => 0x4242 = 0x3012 + 0x1230
- # 13 = 10 + 7 => 0x2341 = 0x1111 + 0x1230
- # 14 = 11 + 8 => 0x3012 = 0x3012 + 0x0000
- # 15 = 12 + 9 => 0x1234 = 0x0000 + 0x1234
- isa = SVP64Asm([
- 'sv.add 1.v, 5.v, 9.v',
- 'sv.add 13.v, 10.v, 7.v'
- ])
- lst = list(isa)
- print("listing", lst)
-
- # initial values in GPR regfile
- initial_regs = [0] * 32
- initial_regs[9] = 0x1234
- initial_regs[10] = 0x1111
- initial_regs[11] = 0x3012
- initial_regs[5] = 0x4321
- initial_regs[6] = 0x2223
- initial_regs[7] = 0x1230
- # SVSTATE (in this case, VL=3)
- svstate = SVP64State()
- svstate.vl[0:7] = 3 # VL
- svstate.maxvl[0:7] = 3 # MAXVL
- print("SVSTATE", bin(svstate.spr.asint()))
-
- self.add_case(Program(lst, bigendian), initial_regs,
- initial_svstate=svstate)
-
- def case_7_sv_add_2(self):
- # adds:
- # 1 = 5 + 9 => 0x5555 = 0x4321 + 0x1234
- # r1 is scalar so ENDS EARLY
- isa = SVP64Asm(['sv.add 1, 5.v, 9.v'])
- lst = list(isa)
- print("listing", lst)
-
- # initial values in GPR regfile
- initial_regs = [0] * 32
- initial_regs[9] = 0x1234
- initial_regs[10] = 0x1111
- initial_regs[5] = 0x4321
- initial_regs[6] = 0x2223
- # SVSTATE (in this case, VL=2)
- svstate = SVP64State()
- svstate.vl[0:7] = 2 # VL
- svstate.maxvl[0:7] = 2 # MAXVL
- print("SVSTATE", bin(svstate.spr.asint()))
- self.add_case(Program(lst, bigendian), initial_regs,
- initial_svstate=svstate)
-
- def case_8_sv_add_3(self):
- # adds:
- # 1 = 5 + 9 => 0x5555 = 0x4321+0x1234
- # 2 = 5 + 10 => 0x5432 = 0x4321+0x1111
- isa = SVP64Asm(['sv.add 1.v, 5, 9.v'])
- lst = list(isa)
- print("listing", lst)
-
- # initial values in GPR regfile
- initial_regs = [0] * 32
- initial_regs[9] = 0x1234
- initial_regs[10] = 0x1111
- initial_regs[5] = 0x4321
- initial_regs[6] = 0x2223
- # SVSTATE (in this case, VL=2)
- svstate = SVP64State()
- svstate.vl[0:7] = 2 # VL
- svstate.maxvl[0:7] = 2 # MAXVL
- print("SVSTATE", bin(svstate.spr.asint()))
- self.add_case(Program(lst, bigendian), initial_regs,
- initial_svstate=svstate)
-
- def case_9_sv_extsw_intpred(self):
- # extsb, integer twin-pred mask: source is ~r3 (0b01), dest r3 (0b10)
- # works as follows, where any zeros indicate "skip element"
- # - sources are 9 and 10
- # - dests are 5 and 6
- # - source mask says "pick first element from source (5)
- # - dest mask says "pick *second* element from dest (10)
- #
- # therefore the operation that's carried out is:
- # GPR(10) = extsb(GPR(5))
- #
- # this is a type of back-to-back VREDUCE and VEXPAND but it applies
- # to *operations*, not just MVs like in traditional Vector ISAs
- # ascii graphic:
- #
- # reg num 0 1 2 3 4 5 6 7 8 9 10
- # src ~r3=0b01 Y N
- # |
- # +-----+
- # |
- # dest r3=0b10 N Y
-
- # expected results:
- # r5 = 0x0 dest r3 is 0b10: skip
- # r6 = 0xffff_ffff_ffff_ff91 2nd bit of r3 is 1
- isa = SVP64Asm(['sv.extsb/sm=~r3/dm=r3 5.v, 9.v'])
- lst = list(isa)
- print("listing", lst)
-
- # initial values in GPR regfile
- initial_regs = [0] * 32
- initial_regs[3] = 0b10 # predicate mask
- initial_regs[9] = 0x91 # source ~r3 is 0b01 so this will be used
- initial_regs[10] = 0x90 # this gets skipped
- # SVSTATE (in this case, VL=2)
- svstate = SVP64State()
- svstate.vl[0:7] = 2 # VL
- svstate.maxvl[0:7] = 2 # MAXVL
- print("SVSTATE", bin(svstate.spr.asint()))
-
- self.add_case(Program(lst, bigendian), initial_regs,
- initial_svstate=svstate)
-
- def case_10_intpred_vcompress(self):
- # reg num 0 1 2 3 4 5 6 7 8 9 10 11
- # src r3=0b101 Y N Y
- # | |
- # +-------+ |
- # | +-----------+
- # | |
- # dest always Y Y Y
-
- # expected results:
- # r5 = 0xffff_ffff_ffff_ff90 (from r9)
- # r6 = 0xffff_ffff_ffff_ff92 (from r11)
- # r7 = 0x0 (VL loop runs out before we can use it)
- isa = SVP64Asm(['sv.extsb/sm=r3 5.v, 9.v'])
- lst = list(isa)
- print("listing", lst)
-
- # initial values in GPR regfile
- initial_regs = [0] * 32
- initial_regs[3] = 0b101 # predicate mask
- initial_regs[9] = 0x90 # source r3 is 0b101 so this will be used
- initial_regs[10] = 0x91 # this gets skipped
- initial_regs[11] = 0x92 # source r3 is 0b101 so this will be used
- # SVSTATE (in this case, VL=3)
- svstate = SVP64State()
- svstate.vl[0:7] = 3 # VL
- svstate.maxvl[0:7] = 3 # MAXVL
- print("SVSTATE", bin(svstate.spr.asint()))
-
- self.add_case(Program(lst, bigendian), initial_regs,
- initial_svstate=svstate)
-
- def case_11_intpred_vexpand(self):
- # reg num 0 1 2 3 4 5 6 7 8 9 10 11
- # src always Y Y Y
- # | |
- # +-------+ |
- # | +------+
- # | |
- # dest r3=0b101 Y N Y
-
- # expected results:
- # r5 = 0xffff_ffff_ffff_ff90 1st bit of r3 is 1
- # r6 = 0x0 skip
- # r7 = 0xffff_ffff_ffff_ff91 3nd bit of r3 is 1
- isa = SVP64Asm(['sv.extsb/dm=r3 5.v, 9.v'])
- lst = list(isa)
- print("listing", lst)
-
- # initial values in GPR regfile
- initial_regs = [0] * 32
- initial_regs[3] = 0b101 # predicate mask
- initial_regs[9] = 0x90 # source is "always", so this will be used
- initial_regs[10] = 0x91 # likewise
- initial_regs[11] = 0x92 # the VL loop runs out before we can use it
- # SVSTATE (in this case, VL=3)
- svstate = SVP64State()
- svstate.vl[0:7] = 3 # VL
- svstate.maxvl[0:7] = 3 # MAXVL
- print("SVSTATE", bin(svstate.spr.asint()))
-
- self.add_case(Program(lst, bigendian), initial_regs,
- initial_svstate=svstate)
-
- def case_12_sv_twinpred(self):
- # reg num 0 1 2 3 4 5 6 7 8 9 10 11
- # src r3=0b101 Y N Y
- # |
- # +-----+
- # |
- # dest ~r3=0b010 N Y N
-
- # expected results:
- # r5 = 0x0 dest ~r3 is 0b010: skip
- # r6 = 0xffff_ffff_ffff_ff90 2nd bit of ~r3 is 1
- # r7 = 0x0 dest ~r3 is 0b010: skip
- isa = SVP64Asm(['sv.extsb/sm=r3/dm=~r3 5.v, 9.v'])
- lst = list(isa)
- print("listing", lst)
-
- # initial values in GPR regfile
- initial_regs = [0] * 32
- initial_regs[3] = 0b101 # predicate mask
- initial_regs[9] = 0x90 # source r3 is 0b101 so this will be used
- initial_regs[10] = 0x91 # this gets skipped
- initial_regs[11] = 0x92 # VL loop runs out before we can use it
- # SVSTATE (in this case, VL=3)
- svstate = SVP64State()
- svstate.vl[0:7] = 3 # VL
- svstate.maxvl[0:7] = 3 # MAXVL
- print("SVSTATE", bin(svstate.spr.asint()))
-
- self.add_case(Program(lst, bigendian), initial_regs,
- initial_svstate=svstate)
-
- # checks integer predication.
- def case_13_sv_predicated_add(self):
- # adds:
- # 1 = 5 + 9 => 0x5555 = 0x4321 + 0x1234
- # 2 = 0 (skipped)
- # 3 = 7 + 11 => 0x4242 = 0x3012 + 0x1230
- #
- # 13 = 0 (skipped)
- # 14 = 11 + 8 => 0xB063 = 0x3012 + 0x8051
- # 15 = 0 (skipped)
- isa = SVP64Asm([
- 'sv.add/m=r30 1.v, 5.v, 9.v',
- 'sv.add/m=~r30 13.v, 10.v, 7.v'
- ])
- lst = list(isa)
- print("listing", lst)
-
- # initial values in GPR regfile
- initial_regs = [0] * 32
- initial_regs[30] = 0b101 # predicate mask
- initial_regs[9] = 0x1234
- initial_regs[10] = 0x1111
- initial_regs[11] = 0x3012
- initial_regs[5] = 0x4321
- initial_regs[6] = 0x2223
- initial_regs[7] = 0x1230
- initial_regs[8] = 0x8051
- # SVSTATE (in this case, VL=3)
- svstate = SVP64State()
- svstate.vl[0:7] = 3 # VL
- svstate.maxvl[0:7] = 3 # MAXVL
- print("SVSTATE", bin(svstate.spr.asint()))
-
- self.add_case(Program(lst, bigendian), initial_regs,
- initial_svstate=svstate)
-
- # checks an instruction with no effect (all mask bits are zeros)
- def case_14_intpred_all_zeros_all_ones(self):
- # adds:
- # 1 = 0 (skipped)
- # 2 = 0 (skipped)
- # 3 = 0 (skipped)
- #
- # 13 = 10 + 7 => 0x2341 = 0x1111 + 0x1230
- # 14 = 11 + 8 => 0xB063 = 0x3012 + 0x8051
- # 15 = 12 + 9 => 0x7736 = 0x6502 + 0x1234
- isa = SVP64Asm([
- 'sv.add/m=r30 1.v, 5.v, 9.v',
- 'sv.add/m=~r30 13.v, 10.v, 7.v'
- ])
- lst = list(isa)
- print("listing", lst)
-
- # initial values in GPR regfile
- initial_regs = [0] * 32
- initial_regs[30] = 0 # predicate mask
- initial_regs[9] = 0x1234
- initial_regs[10] = 0x1111
- initial_regs[11] = 0x3012
- initial_regs[12] = 0x6502
- initial_regs[5] = 0x4321
- initial_regs[6] = 0x2223
- initial_regs[7] = 0x1230
- initial_regs[8] = 0x8051
- # SVSTATE (in this case, VL=3)
- svstate = SVP64State()
- svstate.vl[0:7] = 3 # VL
- svstate.maxvl[0:7] = 3 # MAXVL
- print("SVSTATE", bin(svstate.spr.asint()))
-
- self.add_case(Program(lst, bigendian), initial_regs,
- initial_svstate=svstate)
-
- # checks that we are able to resume in the middle of a VL loop,
- # after an interrupt, or after the user has updated src/dst step
- # let's assume the user has prepared src/dst step before running this
- # vector instruction
- # make sure we skip mask bits before the initial step
- def case_15_intpred_reentrant(self):
- # reg num 0 1 2 3 4 5 6 7 8 9 10 11 12
- # srcstep=1 v
- # src r3=0b0101 Y N Y N
- # : |
- # + - - + |
- # : +-------+
- # : |
- # dest ~r3=0b1010 N Y N Y
- # dststep=2 ^
- #
- # expected results:
- # r5 = 0x0 # skip
- # r6 = 0x0 # dststep starts at 3, so this gets skipped
- # r7 = 0x0 # skip
- # r8 = 0xffff_ffff_ffff_ff92 # this will be used
-
- isa = SVP64Asm(['sv.extsb/sm=r3/dm=~r3 5.v, 9.v'])
- lst = list(isa)
- print("listing", lst)
-
- # initial values in GPR regfile
- initial_regs = [0] * 32
- initial_regs[3] = 0b0101 # mask
- initial_regs[9] = 0x90 # srcstep starts at 2, so this gets skipped
- initial_regs[10] = 0x91 # skip
- initial_regs[11] = 0x92 # this will be used
- initial_regs[12] = 0x93 # skip
-
- # SVSTATE (in this case, VL=4)
- svstate = SVP64State()
- svstate.vl[0:7] = 4 # VL
- svstate.maxvl[0:7] = 4 # MAXVL
- # set src/dest step on the middle of the loop
- svstate.srcstep[0:7] = 1
- svstate.dststep[0:7] = 2
- print("SVSTATE", bin(svstate.spr.asint()))
-
- self.add_case(Program(lst, bigendian), initial_regs,
- initial_svstate=svstate)
-
- def case_16_shift_one_by_r3_dest(self):
- # reg num 0 1 2 3 4 5 6 7 8 9 10 11
- # src r30=0b100 N N Y
- # |
- # +-----------+
- # |
- # dest r3=1: 1<<r3=0b010 N Y N
- #
- # expected results:
- # r5 = 0x0 skipped
- # r6 = 0xffff_ffff_ffff_ff92 r3 is 1, so this is used
- # r7 = 0x0 skipped
-
- isa = SVP64Asm(['sv.extsb/dm=1<<r3/sm=r30 5.v, 9.v'])
- lst = list(isa)
- print("listing", lst)
-
- # initial values in GPR regfile
- initial_regs = [0] * 32
- initial_regs[3] = 1 # dest mask = 1<<r3 = 0b010
- initial_regs[30] = 0b100 # source mask
- initial_regs[9] = 0x90 # skipped
- initial_regs[10] = 0x91 # skipped
- initial_regs[11] = 0x92 # 3rd bit of r30 is 1
- # SVSTATE (in this case, VL=3)
- svstate = SVP64State()
- svstate.vl[0:7] = 3 # VL
- svstate.maxvl[0:7] = 3 # MAXVL
- print("SVSTATE", bin(svstate.spr.asint()))
-
- self.add_case(Program(lst, bigendian), initial_regs,
- initial_svstate=svstate)
-
- def case_17_shift_one_by_r3_source(self):
- # reg num 0 1 2 3 4 5 6 7 8 9 10 11
- # src r3=2: 1<<r3=0b100 N N Y
- # |
- # +-----------+
- # |
- # dest r30=0b010 N Y N
- #
- # expected results:
- # r5 = 0x0 skipped
- # r6 = 0xffff_ffff_ffff_ff92 2nd bit of r30 is 1
- # r7 = 0x0 skipped
-
- isa = SVP64Asm(['sv.extsb/sm=1<<r3/dm=r30 5.v, 9.v'])
- lst = list(isa)
- print("listing", lst)
-
- # initial values in GPR regfile
- initial_regs = [0] * 32
- initial_regs[3] = 2 # source mask = 1<<r3 = 0b100
- initial_regs[30] = 0b010 # dest mask
- initial_regs[9] = 0x90 # skipped
- initial_regs[10] = 0x91 # skipped
- initial_regs[11] = 0x92 # r3 is 2, so this will be used
- # SVSTATE (in this case, VL=3)
- svstate = SVP64State()
- svstate.vl[0:7] = 3 # VL
- svstate.maxvl[0:7] = 3 # MAXVL
- print("SVSTATE", bin(svstate.spr.asint()))
-
- self.add_case(Program(lst, bigendian), initial_regs,
- initial_svstate=svstate)
-
- def case_18_sv_add_cr_pred(self):
- # adds, CR predicated mask CR4.eq = 1, CR5.eq = 0, invert (ne)
- # 1 = 5 + 9 => not to be touched (skipped)
- # 2 = 6 + 10 => 0x3334 = 0x2223+0x1111
- # expected results:
- # r1 = 0xbeef skipped since CR4 is 1 and test is inverted
- # r2 = 0x3334 CR5 is 0, so this is used
- isa = SVP64Asm(['sv.add/m=ne 1.v, 5.v, 9.v'])
- lst = list(isa)
- print("listing", lst)
-
- # initial values in GPR regfile
- initial_regs = [0] * 32
- initial_regs[1] = 0xbeef # not to be altered
- initial_regs[9] = 0x1234
- initial_regs[10] = 0x1111
- initial_regs[5] = 0x4321
- initial_regs[6] = 0x2223
- # SVSTATE (in this case, VL=2)
- svstate = SVP64State()
- svstate.vl[0:7] = 2 # VL
- svstate.maxvl[0:7] = 2 # MAXVL
- print("SVSTATE", bin(svstate.spr.asint()))
-
- # set up CR predicate - CR4.eq=1 and CR5.eq=0
- cr = 0b0010 << ((7-4)*4) # CR4.eq (we hope)
-
- self.add_case(Program(lst, bigendian), initial_regs,
- initial_svstate=svstate, initial_cr=cr)
+from openpower.test.alu.svp64_cases import *