for i in range(32):
self.assertEqual(sim.gpr(i), SelectableInt(expected[i], 64))
- def test__svstep_1(self):
+ def test_svstep_1(self):
lst = SVP64Asm(["setvl 0, 0, 10, 1, 1, 1", # actual setvl (VF mode)
"setvl 0, 0, 1, 1, 0, 0", # svstep
"setvl 0, 0, 1, 1, 0, 0" # svstep
print(" gpr1", sim.gpr(0))
self.assertEqual(sim.gpr(0), SelectableInt(0, 64))
- def test__svstep_2(self):
+ def test_svstep_2(self):
"""tests svstep when it reaches VL
"""
lst = SVP64Asm(["setvl 0, 0, 2, 1, 1, 1", # actual setvl (VF mode)
self.assertEqual(sim.gpr(0), SelectableInt(0, 64))
CR0 = sim.crl[0]
print(" CR0", bin(CR0.get_range().value))
- self.assertEqual(CR0[CRFields.EQ], 1)
+ self.assertEqual(CR0[CRFields.EQ], 0)
self.assertEqual(CR0[CRFields.LT], 0)
self.assertEqual(CR0[CRFields.GT], 0)
- self.assertEqual(CR0[CRFields.SO], 0)
+ self.assertEqual(CR0[CRFields.SO], 1)
- def test__svstep_3(self):
+ def test_svstep_3(self):
"""tests svstep when it *doesn't* reach VL
"""
lst = SVP64Asm(["setvl 0, 0, 3, 1, 1, 1", # actual setvl (VF mode)
print(" CR0", bin(CR0.get_range().value))
self.assertEqual(CR0[CRFields.EQ], 0)
self.assertEqual(CR0[CRFields.LT], 0)
- self.assertEqual(CR0[CRFields.GT], 1)
+ self.assertEqual(CR0[CRFields.GT], 0)
self.assertEqual(CR0[CRFields.SO], 0)
- def test__setvl_1(self):
+ def test_setvl_1(self):
"""straight setvl, testing if VL and MVL are over-ridden
"""
lst = SVP64Asm(["setvl 1, 0, 10, 0, 1, 1",
print(" gpr1", sim.gpr(1))
self.assertEqual(sim.gpr(1), SelectableInt(10, 64))
- def test__sv_add(self):
+ def test_svstep_inner_loop_6(self):
+ """tests svstep inner loop, running 6 times, looking for "k".
+ also sees if k is actually output into reg 2 (RT=2)
+ """
+ lst = SVP64Asm([
+ # set triple butterfly mode with persistent "REMAP"
+ "svshape 8, 1, 1, 1, 1",
+ "svremap 31, 1, 0, 2, 0, 1, 1",
+ "setvl. 0, 0, 2, 1, 0, 0",# svstep (Rc=1)
+ "setvl. 0, 0, 2, 1, 0, 0",# svstep (Rc=1)
+ "setvl. 0, 0, 2, 1, 0, 0",# svstep (Rc=1)
+ "setvl. 0, 0, 2, 1, 0, 0",# svstep (Rc=1)
+ "setvl. 0, 0, 2, 1, 0, 0",# svstep (Rc=1)
+ "setvl. 2, 0, 2, 1, 0, 0",# svstep (Rc=1)
+ ])
+ lst = list(lst)
+
+ # SVSTATE
+ svstate = SVP64State()
+ #svstate.vl = 2 # VL
+ #svstate.maxvl = 2 # MAXVL
+ print ("SVSTATE", bin(svstate.asint()))
+
+ with Program(lst, bigendian=False) as program:
+ sim = self.run_tst_program(program, svstate=svstate)
+ print ("SVSTATE after", bin(sim.svstate.asint()))
+ print (" vl", bin(sim.svstate.vl))
+ print (" mvl", bin(sim.svstate.maxvl))
+ print (" srcstep", bin(sim.svstate.srcstep))
+ print (" dststep", bin(sim.svstate.dststep))
+ print (" vfirst", bin(sim.svstate. vfirst))
+ self.assertEqual(sim.svstate.vl, 12)
+ self.assertEqual(sim.svstate.maxvl, 12)
+ # svstep called twice, didn't reach VL, so srcstep/dststep both 2
+ self.assertEqual(sim.svstate.srcstep, 6)
+ self.assertEqual(sim.svstate.dststep, 6)
+ self.assertEqual(sim.gpr(2), SelectableInt(1, 64))
+ self.assertEqual(sim.svstate.vfirst, 1)
+ CR0 = sim.crl[0]
+ print(" CR0", bin(CR0.get_range().value))
+ self.assertEqual(CR0[CRFields.EQ], 0)
+ self.assertEqual(CR0[CRFields.LT], 1)
+ self.assertEqual(CR0[CRFields.GT], 1)
+ self.assertEqual(CR0[CRFields.SO], 0)
+
+ def test_svstep_inner_loop_3(self):
+ """tests svstep inner loop, running 3 times
+ """
+ lst = SVP64Asm([
+ # set triple butterfly mode with persistent "REMAP"
+ "svshape 8, 1, 1, 1, 1",
+ "svremap 31, 1, 0, 2, 0, 1, 1",
+ "setvl. 0, 0, 2, 1, 0, 0",# svstep (Rc=1)
+ "setvl. 0, 0, 2, 1, 0, 0",# svstep (Rc=1)
+ "setvl. 0, 0, 2, 1, 0, 0", # svstep (Rc=1)
+ ])
+ lst = list(lst)
+
+ # SVSTATE
+ svstate = SVP64State()
+ #svstate.vl = 2 # VL
+ #svstate.maxvl = 2 # MAXVL
+ print ("SVSTATE", bin(svstate.asint()))
+
+ with Program(lst, bigendian=False) as program:
+ sim = self.run_tst_program(program, svstate=svstate)
+ print ("SVSTATE after", bin(sim.svstate.asint()))
+ print (" vl", bin(sim.svstate.vl))
+ print (" mvl", bin(sim.svstate.maxvl))
+ print (" srcstep", bin(sim.svstate.srcstep))
+ print (" dststep", bin(sim.svstate.dststep))
+ print (" vfirst", bin(sim.svstate. vfirst))
+ self.assertEqual(sim.svstate.vl, 12)
+ self.assertEqual(sim.svstate.maxvl, 12)
+ # svstep called twice, didn't reach VL, so srcstep/dststep both 2
+ self.assertEqual(sim.svstate.srcstep, 3)
+ self.assertEqual(sim.svstate.dststep, 3)
+ self.assertEqual(sim.gpr(0), SelectableInt(0, 64))
+ self.assertEqual(sim.svstate.vfirst, 1)
+ CR0 = sim.crl[0]
+ print(" CR0", bin(CR0.get_range().value))
+ self.assertEqual(CR0[CRFields.EQ], 0)
+ self.assertEqual(CR0[CRFields.LT], 1)
+ self.assertEqual(CR0[CRFields.GT], 1)
+ self.assertEqual(CR0[CRFields.SO], 0)
+
+ def test_svstep_inner_loop_4(self):
+ """tests svstep inner loop, running 4 times
+ """
+ lst = SVP64Asm([
+ # set triple butterfly mode with persistent "REMAP"
+ "svshape 8, 1, 1, 1, 1",
+ "svremap 31, 1, 0, 2, 0, 1, 1",
+ "setvl. 0, 0, 2, 1, 0, 0",# svstep (Rc=1)
+ "setvl. 0, 0, 2, 1, 0, 0",# svstep (Rc=1)
+ "setvl. 0, 0, 2, 1, 0, 0", # svstep (Rc=1)
+ "setvl. 0, 0, 2, 1, 0, 0", # svstep (Rc=1)
+ ])
+ lst = list(lst)
+
+ # SVSTATE
+ svstate = SVP64State()
+ #svstate.vl = 2 # VL
+ #svstate.maxvl = 2 # MAXVL
+ print ("SVSTATE", bin(svstate.asint()))
+
+ with Program(lst, bigendian=False) as program:
+ sim = self.run_tst_program(program, svstate=svstate)
+ print ("SVSTATE after", bin(sim.svstate.asint()))
+ print (" vl", bin(sim.svstate.vl))
+ print (" mvl", bin(sim.svstate.maxvl))
+ print (" srcstep", bin(sim.svstate.srcstep))
+ print (" dststep", bin(sim.svstate.dststep))
+ print (" vfirst", bin(sim.svstate. vfirst))
+ self.assertEqual(sim.svstate.vl, 12)
+ self.assertEqual(sim.svstate.maxvl, 12)
+ # svstep called twice, didn't reach VL, so srcstep/dststep both 2
+ self.assertEqual(sim.svstate.srcstep, 4)
+ self.assertEqual(sim.svstate.dststep, 4)
+ self.assertEqual(sim.gpr(0), SelectableInt(0, 64))
+ self.assertEqual(sim.svstate.vfirst, 1)
+ CR0 = sim.crl[0]
+ print(" CR0", bin(CR0.get_range().value))
+ self.assertEqual(CR0[CRFields.EQ], 0)
+ self.assertEqual(CR0[CRFields.LT], 1)
+ self.assertEqual(CR0[CRFields.GT], 0)
+ self.assertEqual(CR0[CRFields.SO], 0)
+
+ def test_svstep_inner_loop_4_jl(self):
+ """tests svstep inner loop, running 4 times, checking
+ "jl" is returned after 4th iteration
+ """
+ lst = SVP64Asm([
+ # set triple butterfly mode with persistent "REMAP"
+ "svshape 8, 1, 1, 1, 1",
+ "svremap 31, 1, 0, 2, 0, 1, 1",
+ "setvl. 0, 0, 2, 1, 0, 0",# svstep (Rc=1)
+ "setvl. 0, 0, 2, 1, 0, 0",# svstep (Rc=1)
+ "setvl. 0, 0, 2, 1, 0, 0", # svstep (Rc=1)
+ "setvl. 2, 0, 2, 1, 0, 0", # svstep (Rc=1)
+ ])
+ lst = list(lst)
+
+ # SVSTATE
+ svstate = SVP64State()
+ #svstate.vl = 2 # VL
+ #svstate.maxvl = 2 # MAXVL
+ print ("SVSTATE", bin(svstate.asint()))
+
+ with Program(lst, bigendian=False) as program:
+ sim = self.run_tst_program(program, svstate=svstate)
+ print ("SVSTATE after", bin(sim.svstate.asint()))
+ print (" vl", bin(sim.svstate.vl))
+ print (" mvl", bin(sim.svstate.maxvl))
+ print (" srcstep", bin(sim.svstate.srcstep))
+ print (" dststep", bin(sim.svstate.dststep))
+ print (" vfirst", bin(sim.svstate. vfirst))
+ self.assertEqual(sim.svstate.vl, 12)
+ self.assertEqual(sim.svstate.maxvl, 12)
+ # svstep called twice, didn't reach VL, so srcstep/dststep both 2
+ self.assertEqual(sim.svstate.srcstep, 4)
+ self.assertEqual(sim.svstate.dststep, 4)
+ self.assertEqual(sim.gpr(2), SelectableInt(6, 64))
+ self.assertEqual(sim.svstate.vfirst, 1)
+ CR0 = sim.crl[0]
+ print(" CR0", bin(CR0.get_range().value))
+ self.assertEqual(CR0[CRFields.EQ], 0)
+ self.assertEqual(CR0[CRFields.LT], 1)
+ self.assertEqual(CR0[CRFields.GT], 0)
+ self.assertEqual(CR0[CRFields.SO], 0)
+
+ def test_svstep_inner_loop_8_jl(self):
+ """tests svstep inner loop, running 8 times (sv.setvl.), checking
+ jl is copied into a *Vector* result.
+
+ fuuun...
+ """
+ lst = SVP64Asm([
+ # set DCT triple butterfly mode with persistent "REMAP"
+ "svshape 8, 1, 1, 2, 0",
+ "svremap 0, 0, 0, 2, 0, 1, 1",
+ "sv.svstep 2.v, 4, 1", # svstep get vector of ci
+ "sv.svstep 16.v, 3, 1", # svstep get vector of step
+ ])
+ lst = list(lst)
+
+ # SVSTATE
+ svstate = SVP64State()
+ #svstate.vl = 2 # VL
+ #svstate.maxvl = 2 # MAXVL
+ print ("SVSTATE", bin(svstate.asint()))
+
+ with Program(lst, bigendian=False) as program:
+ sim = self.run_tst_program(program, svstate=svstate)
+ print ("SVSTATE after", bin(sim.svstate.asint()))
+ print (" vl", bin(sim.svstate.vl))
+ print (" mvl", bin(sim.svstate.maxvl))
+ print (" srcstep", bin(sim.svstate.srcstep))
+ print (" dststep", bin(sim.svstate.dststep))
+ print (" vfirst", bin(sim.svstate. vfirst))
+ self.assertEqual(sim.svstate.vl, 12)
+ self.assertEqual(sim.svstate.maxvl, 12)
+ # svstep called four times, reset occurs, srcstep zero
+ self.assertEqual(sim.svstate.srcstep, 0)
+ self.assertEqual(sim.svstate.dststep, 0)
+ for i in range(4):
+ self.assertEqual(sim.gpr(2+i), SelectableInt(8, 64))
+ self.assertEqual(sim.gpr(6+i), SelectableInt(4, 64))
+ self.assertEqual(sim.gpr(10+i), SelectableInt(2, 64))
+ self.assertEqual(sim.gpr(16+i), SelectableInt(i, 64))
+ self.assertEqual(sim.gpr(24+i), SelectableInt(0, 64))
+ for i in range(2):
+ self.assertEqual(sim.gpr(20+i), SelectableInt(i, 64))
+ self.assertEqual(sim.gpr(22+i), SelectableInt(i, 64))
+ self.assertEqual(sim.svstate.vfirst, 0)
+ CR0 = sim.crl[0]
+ print(" CR0", bin(CR0.get_range().value))
+ self.assertEqual(CR0[CRFields.EQ], 0)
+ self.assertEqual(CR0[CRFields.LT], 0)
+ self.assertEqual(CR0[CRFields.GT], 0)
+ self.assertEqual(CR0[CRFields.SO], 0)
+
+ def test_sv_add(self):
"""sets VL=2 then adds:
* 1 = 5 + 9 => 0x5555 = 0x4321+0x1234
* 2 = 6 + 10 => 0x3334 = 0x2223+0x1111
sim = self.run_tst_program(program, initial_regs)
self._check_regs(sim, expected_regs)
- def test__svstep_add_1(self):
+ def test_svstep_add_1(self):
"""tests svstep with an add, when it reaches VL
lst = SVP64Asm(["setvl 3, 0, 2, 1, 1, 1",
'sv.add 1.v, 5.v, 9.v',
self.assertEqual(sim.svstate.vfirst, 0)
CR0 = sim.crl[0]
print(" CR0", bin(CR0.get_range().value))
- self.assertEqual(CR0[CRFields.EQ], 1)
+ self.assertEqual(CR0[CRFields.EQ], 0)
self.assertEqual(CR0[CRFields.LT], 0)
self.assertEqual(CR0[CRFields.GT], 0)
- self.assertEqual(CR0[CRFields.SO], 0)
+ self.assertEqual(CR0[CRFields.SO], 1)
# check registers as expected
self._check_regs(sim, expected_regs)
- def test__svstep_add_2(self):
+ def test_svstep_add_2(self):
"""tests svstep with a branch.
lst = SVP64Asm(["setvl 3, 0, 2, 1, 1, 1",
'sv.add 1.v, 5.v, 9.v',
"setvl. 0, 0, 1, 1, 0, 0",
- "bc 4, 2, -0xc"
+ "bc 6, 3, -0xc"
])
sequence is as follows:
* setvl sets VL=2 but also "Vertical First" mode.
lst = SVP64Asm(["setvl 3, 0, 2, 1, 1, 1",
'sv.add 1.v, 5.v, 9.v',
"setvl. 0, 0, 1, 1, 0, 0", # svstep - this is 64-bit!
- "bc 4, 2, -0xc" # branch to add (64-bit op so -0xc!)
+ "bc 6, 3, -0xc" # branch to add (64-bit op so -0xc!)
])
lst = list(lst)
self.assertEqual(sim.svstate.vfirst, 0)
CR0 = sim.crl[0]
print(" CR0", bin(CR0.get_range().value))
- self.assertEqual(CR0[CRFields.EQ], 1)
+ self.assertEqual(CR0[CRFields.EQ], 0)
self.assertEqual(CR0[CRFields.LT], 0)
self.assertEqual(CR0[CRFields.GT], 0)
- self.assertEqual(CR0[CRFields.SO], 0)
+ self.assertEqual(CR0[CRFields.SO], 1)
# check registers as expected
self._check_regs(sim, expected_regs)