From e3ebeaafbc0fc1864f05746c49c1b6b98b3e12ad Mon Sep 17 00:00:00 2001
From: Jacob Lifshay <programmerjake@gmail.com>
Date: Wed, 14 Sep 2022 08:35:03 -0700
Subject: [PATCH] add svp64 fptrans tests

---
 .../decoder/isa/test_caller_svp64_fptrans.py  |  22 ++
 src/openpower/test/fptrans/fptrans_cases.py   | 284 ++++++++++++++++++
 2 files changed, 306 insertions(+)
 create mode 100644 src/openpower/decoder/isa/test_caller_svp64_fptrans.py

diff --git a/src/openpower/decoder/isa/test_caller_svp64_fptrans.py b/src/openpower/decoder/isa/test_caller_svp64_fptrans.py
new file mode 100644
index 00000000..c8529897
--- /dev/null
+++ b/src/openpower/decoder/isa/test_caller_svp64_fptrans.py
@@ -0,0 +1,22 @@
+""" svp64 fptrans tests
+"""
+
+import unittest
+from openpower.test.runner import TestRunnerBase
+from openpower.test.fptrans.fptrans_cases import SVP64FPTransCases
+
+# writing the test_caller invocation this way makes it work with pytest
+
+
+class TestSVP64FPTrans(TestRunnerBase):
+    def __init__(self, test):
+        assert test == 'test'
+        super().__init__(SVP64FPTransCases().test_data, fp=True)
+
+    def test(self):
+        # dummy function to make unittest try to test this class
+        pass
+
+
+if __name__ == "__main__":
+    unittest.main()
diff --git a/src/openpower/test/fptrans/fptrans_cases.py b/src/openpower/test/fptrans/fptrans_cases.py
index 0d05876c..f7e83bfe 100644
--- a/src/openpower/test/fptrans/fptrans_cases.py
+++ b/src/openpower/test/fptrans/fptrans_cases.py
@@ -2,6 +2,8 @@ from openpower.test.common import TestAccumulatorBase
 from openpower.sv.trans.svp64 import SVP64Asm
 from openpower.test.state import ExpectedState
 from openpower.simulator.program import Program
+from openpower.decoder.isa.caller import SVP64State
+import struct
 
 
 # FIXME: output values are just what my computer produces for the current
@@ -2312,3 +2314,285 @@ class FPTransCases(TestAccumulatorBase):
         e.fpregs[3] = 0x0
         e.crregs[1] = 0x2
         self.add_case(Program(lst, False), gprs, fpregs=fprs, expected=e)
+
+
+class SVP64FPTransCases(TestAccumulatorBase):
+    def case_sv_fatan2pi(self):
+        lst = list(SVP64Asm(["sv.fatan2pi *32,*64,*96"]))
+        gprs = [0] * 128
+        fprs = [0] * 128
+        svstate = SVP64State()
+        svstate.vl = 32
+        svstate.maxvl = 32
+        r = range(svstate.vl)
+        for i, rev_i in zip(r, reversed(r)):
+            fprs[64 + i] = struct.unpack("<Q", struct.pack("<d", i))[0]
+            fprs[96 + i] = struct.unpack("<Q", struct.pack("<d", rev_i))[0]
+        e = ExpectedState(pc=8, int_regs=gprs, fp_regs=fprs)
+        e.fpregs[32] = 0x0
+        e.fpregs[33] = 0x3f85b8cf3bae0f6f
+        e.fpregs[34] = 0x3f96719808aca26c
+        e.fpregs[35] = 0x3fa1652c7df3f5c4
+        e.fpregs[36] = 0x3fa7f854e2212de9
+        e.fpregs[37] = 0x3faef699518cc00c
+        e.fpregs[38] = 0x3fb331a583506fb4
+        e.fpregs[39] = 0x3fb72028ecef9844
+        e.fpregs[40] = 0x3fbb46dd1ce460e0
+        e.fpregs[41] = 0x3fbfa49f4f32b679
+        e.fpregs[42] = 0x3fc21b75e3b0004e
+        e.fpregs[43] = 0x3fc47cd84e0cb544
+        e.fpregs[44] = 0x3fc6f39a0b860052
+        e.fpregs[45] = 0x3fc97c0bade66a98
+        e.fpregs[46] = 0x3fcc11bdf5480ae5
+        e.fpregs[47] = 0x3fceafa71eebf23b
+        e.fpregs[48] = 0x3fd0a82c708a06e3
+        e.fpregs[49] = 0x3fd1f721055bfa8d
+        e.fpregs[50] = 0x3fd341fa290ccab4
+        e.fpregs[51] = 0x3fd48632fa3cffd8
+        e.fpregs[52] = 0x3fd5c193d8f9a55f
+        e.fpregs[53] = 0x3fd6f2450e27ffd9
+        e.fpregs[54] = 0x3fd816d82c335262
+        e.fpregs[55] = 0x3fd92e48b8c6e7c8
+        e.fpregs[56] = 0x3fda37f5c4c419ef
+        e.fpregs[57] = 0x3fdb33969f2be413
+        e.fpregs[58] = 0x3fdc212cd5ce67ff
+        e.fpregs[59] = 0x3fdd00f563bbda43
+        e.fpregs[60] = 0x3fddd35a70418148
+        e.fpregs[61] = 0x3fde98e67f7535d9
+        e.fpregs[62] = 0x3fdf523986228f84
+        e.fpregs[63] = 0x3fe0000000000000
+        self.add_case(Program(lst, False), gprs, fpregs=fprs,
+                      initial_svstate=svstate, expected=e)
+
+    def case_sv_fpown(self):
+        lst = list(SVP64Asm(["sv.fpown *32,*64,*96"]))
+        gprs = [0] * 128
+        fprs = [0] * 128
+        svstate = SVP64State()
+        svstate.vl = 32
+        svstate.maxvl = 32
+        r = range(svstate.vl)
+        for i, rev_i in zip(r, reversed(r)):
+            fprs[64 + i] = struct.unpack("<Q", struct.pack("<d", i))[0]
+            gprs[96 + i] = rev_i
+        e = ExpectedState(pc=8, int_regs=gprs, fp_regs=fprs)
+        e.fpregs[32] = 0x0
+        e.fpregs[33] = 0x3ff0000000000000
+        e.fpregs[34] = 0x41c0000000000000
+        e.fpregs[35] = 0x42b4ce6b167f3100
+        e.fpregs[36] = 0x4350000000000000
+        e.fpregs[37] = 0x43b4adf4b7320335
+        e.fpregs[38] = 0x43f8a8cac5546000
+        e.fpregs[39] = 0x4424c57285ccad29
+        e.fpregs[40] = 0x4440000000000000
+        e.fpregs[41] = 0x444ab13886ff818c
+        e.fpregs[42] = 0x444b1ae4d6e2ef50
+        e.fpregs[43] = 0x44423c240e01248b
+        e.fpregs[44] = 0x443151acf6c00000
+        e.fpregs[45] = 0x44186287733beda8
+        e.fpregs[46] = 0x43fa727064cdd0e0
+        e.fpregs[47] = 0x43d6c9eb264f7e5e
+        e.fpregs[48] = 0x43b0000000000000
+        e.fpregs[49] = 0x4382b195ede100df
+        e.fpregs[50] = 0x43527e9813ff4800
+        e.fpregs[51] = 0x431f73fe261ba8c4
+        e.fpregs[52] = 0x42e74876e8000000
+        e.fpregs[53] = 0x42ae572cc2de3200
+        e.fpregs[54] = 0x4271916da5600000
+        e.fpregs[55] = 0x42323bb2ce410000
+        e.fpregs[56] = 0x41f1160000000000
+        e.fpregs[57] = 0x41ad1a94a2000000
+        e.fpregs[58] = 0x4166a97400000000
+        e.fpregs[59] = 0x412037e200000000
+        e.fpregs[60] = 0x40d5700000000000
+        e.fpregs[61] = 0x408a480000000000
+        e.fpregs[62] = 0x403e000000000000
+        e.fpregs[63] = 0x3ff0000000000000
+        self.add_case(Program(lst, False), gprs, fpregs=fprs,
+                      initial_svstate=svstate, expected=e)
+
+    def case_sv_frootn(self):
+        lst = list(SVP64Asm(["sv.frootn *32,*64,*96"]))
+        gprs = [0] * 128
+        fprs = [0] * 128
+        svstate = SVP64State()
+        svstate.vl = 32
+        svstate.maxvl = 32
+        r = range(svstate.vl)
+        for i, rev_i in zip(r, reversed(r)):
+            fprs[64 + i] = struct.unpack("<Q", struct.pack("<d", i))[0]
+            gprs[96 + i] = rev_i + 1
+        e = ExpectedState(pc=8, int_regs=gprs, fp_regs=fprs)
+        e.fpregs[32] = 0x0
+        e.fpregs[33] = 0x3ff0000000000000
+        e.fpregs[34] = 0x3ff05fbd4d5b4d5a
+        e.fpregs[35] = 0x3ff09e2569889351
+        e.fpregs[36] = 0x3ff0cfe6317120a2
+        e.fpregs[37] = 0x3ff0fb94d925b492
+        e.fpregs[38] = 0x3ff124397bbd71d1
+        e.fpregs[39] = 0x3ff14b8dd4dbe8ef
+        e.fpregs[40] = 0x3ff172b83c7d517b
+        e.fpregs[41] = 0x3ff19a98e90823cd
+        e.fpregs[42] = 0x3ff1c3f003e174f7
+        e.fpregs[43] = 0x3ff1ef73c93abb21
+        e.fpregs[44] = 0x3ff21ddfeba4e8fd
+        e.fpregs[45] = 0x3ff250029ab74d74
+        e.fpregs[46] = 0x3ff286c9c55d5e76
+        e.fpregs[47] = 0x3ff2c352ac749326
+        e.fpregs[48] = 0x3ff306fe0a31b715
+        e.fpregs[49] = 0x3ff3538be101623e
+        e.fpregs[50] = 0x3ff3ab43a7d494dc
+        e.fpregs[51] = 0x3ff41130952e3b5e
+        e.fpregs[52] = 0x3ff4897f7b709b03
+        e.fpregs[53] = 0x3ff51a16addd4cea
+        e.fpregs[54] = 0x3ff5cb96ce4d114c
+        e.fpregs[55] = 0x3ff6ab23d0cbc00b
+        e.fpregs[56] = 0x3ff7cdc62dc660be
+        e.fpregs[57] = 0x3ff957533ae6a7d2
+        e.fpregs[58] = 0x3ffb89fed8923714
+        e.fpregs[59] = 0x3ffeee504bc32425
+        e.fpregs[60] = 0x40026711a672020b
+        e.fpregs[61] = 0x4008941ad80a2b83
+        e.fpregs[62] = 0x4015e8add236a58f
+        e.fpregs[63] = 0x403f000000000000
+        self.add_case(Program(lst, False), gprs, fpregs=fprs,
+                      initial_svstate=svstate, expected=e)
+
+    def case_sv_fsinpi(self):
+        lst = list(SVP64Asm(["sv.fsinpi *32,*64"]))
+        gprs = [0] * 128
+        fprs = [0] * 128
+        svstate = SVP64State()
+        svstate.vl = 32
+        svstate.maxvl = 32
+        for i in range(svstate.vl):
+            fprs[64 + i] = struct.unpack("<Q", struct.pack("<d", i / 4))[0]
+        e = ExpectedState(pc=8, int_regs=gprs, fp_regs=fprs)
+        e.fpregs[32] = 0x0
+        e.fpregs[33] = 0x3fe6a09e667f3bcc
+        e.fpregs[34] = 0x3ff0000000000000
+        e.fpregs[35] = 0x3fe6a09e667f3bcd
+        e.fpregs[36] = 0x3ca1a62633145c07
+        e.fpregs[37] = 0xbfe6a09e667f3bcc
+        e.fpregs[38] = 0xbff0000000000000
+        e.fpregs[39] = 0xbfe6a09e667f3bce
+        e.fpregs[40] = 0xbcb1a62633145c07
+        e.fpregs[41] = 0x3fe6a09e667f3bcb
+        e.fpregs[42] = 0x3ff0000000000000
+        e.fpregs[43] = 0x3fe6a09e667f3bd4
+        e.fpregs[44] = 0x3cba79394c9e8a0a
+        e.fpregs[45] = 0xbfe6a09e667f3bd0
+        e.fpregs[46] = 0xbff0000000000000
+        e.fpregs[47] = 0xbfe6a09e667f3bd5
+        e.fpregs[48] = 0xbcc1a62633145c07
+        e.fpregs[49] = 0x3fe6a09e667f3bcf
+        e.fpregs[50] = 0x3ff0000000000000
+        e.fpregs[51] = 0x3fe6a09e667f3bd6
+        e.fpregs[52] = 0x3cc60fafbfd97309
+        e.fpregs[53] = 0xbfe6a09e667f3bce
+        e.fpregs[54] = 0xbff0000000000000
+        e.fpregs[55] = 0xbfe6a09e667f3bd7
+        e.fpregs[56] = 0xbcca79394c9e8a0a
+        e.fpregs[57] = 0x3fe6a09e667f3bcd
+        e.fpregs[58] = 0x3ff0000000000000
+        e.fpregs[59] = 0x3fe6a09e667f3bd7
+        e.fpregs[60] = 0x3ccee2c2d963a10c
+        e.fpregs[61] = 0xbfe6a09e667f3bcd
+        e.fpregs[62] = 0xbff0000000000000
+        e.fpregs[63] = 0xbfe6a09e667f3bd8
+        self.add_case(Program(lst, False), gprs, fpregs=fprs,
+                      initial_svstate=svstate, expected=e)
+
+    def case_sv_fminc(self):
+        lst = list(SVP64Asm(["sv.fminc *32,*64,*96"]))
+        gprs = [0] * 128
+        fprs = [0] * 128
+        svstate = SVP64State()
+        svstate.vl = 32
+        svstate.maxvl = 32
+        r = range(svstate.vl)
+        for i, rev_i in zip(r, reversed(r)):
+            fprs[64 + i] = struct.unpack("<Q", struct.pack("<d", i))[0]
+            fprs[96 + i] = struct.unpack("<Q", struct.pack("<d", rev_i))[0]
+        e = ExpectedState(pc=8, int_regs=gprs, fp_regs=fprs)
+        e.fpregs[32] = 0x0
+        e.fpregs[33] = 0x3ff0000000000000
+        e.fpregs[34] = 0x4000000000000000
+        e.fpregs[35] = 0x4008000000000000
+        e.fpregs[36] = 0x4010000000000000
+        e.fpregs[37] = 0x4014000000000000
+        e.fpregs[38] = 0x4018000000000000
+        e.fpregs[39] = 0x401c000000000000
+        e.fpregs[40] = 0x4020000000000000
+        e.fpregs[41] = 0x4022000000000000
+        e.fpregs[42] = 0x4024000000000000
+        e.fpregs[43] = 0x4026000000000000
+        e.fpregs[44] = 0x4028000000000000
+        e.fpregs[45] = 0x402a000000000000
+        e.fpregs[46] = 0x402c000000000000
+        e.fpregs[47] = 0x402e000000000000
+        e.fpregs[48] = 0x402e000000000000
+        e.fpregs[49] = 0x402c000000000000
+        e.fpregs[50] = 0x402a000000000000
+        e.fpregs[51] = 0x4028000000000000
+        e.fpregs[52] = 0x4026000000000000
+        e.fpregs[53] = 0x4024000000000000
+        e.fpregs[54] = 0x4022000000000000
+        e.fpregs[55] = 0x4020000000000000
+        e.fpregs[56] = 0x401c000000000000
+        e.fpregs[57] = 0x4018000000000000
+        e.fpregs[58] = 0x4014000000000000
+        e.fpregs[59] = 0x4010000000000000
+        e.fpregs[60] = 0x4008000000000000
+        e.fpregs[61] = 0x4000000000000000
+        e.fpregs[62] = 0x3ff0000000000000
+        e.fpregs[63] = 0x0
+        self.add_case(Program(lst, False), gprs, fpregs=fprs,
+                      initial_svstate=svstate, expected=e)
+
+    def case_sv_fmaxmag19(self):
+        lst = list(SVP64Asm(["sv.fmaxmag19 *32,*64,*96"]))
+        gprs = [0] * 128
+        fprs = [0] * 128
+        svstate = SVP64State()
+        svstate.vl = 32
+        svstate.maxvl = 32
+        r = range(svstate.vl)
+        for i, rev_i in zip(r, reversed(r)):
+            fprs[64 + i] = struct.unpack("<Q", struct.pack("<d", i))[0]
+            fprs[96 + i] = struct.unpack("<Q", struct.pack("<d", rev_i))[0]
+        e = ExpectedState(pc=8, int_regs=gprs, fp_regs=fprs)
+        e.fpregs[32] = 0x403f000000000000
+        e.fpregs[33] = 0x403e000000000000
+        e.fpregs[34] = 0x403d000000000000
+        e.fpregs[35] = 0x403c000000000000
+        e.fpregs[36] = 0x403b000000000000
+        e.fpregs[37] = 0x403a000000000000
+        e.fpregs[38] = 0x4039000000000000
+        e.fpregs[39] = 0x4038000000000000
+        e.fpregs[40] = 0x4037000000000000
+        e.fpregs[41] = 0x4036000000000000
+        e.fpregs[42] = 0x4035000000000000
+        e.fpregs[43] = 0x4034000000000000
+        e.fpregs[44] = 0x4033000000000000
+        e.fpregs[45] = 0x4032000000000000
+        e.fpregs[46] = 0x4031000000000000
+        e.fpregs[47] = 0x4030000000000000
+        e.fpregs[48] = 0x4030000000000000
+        e.fpregs[49] = 0x4031000000000000
+        e.fpregs[50] = 0x4032000000000000
+        e.fpregs[51] = 0x4033000000000000
+        e.fpregs[52] = 0x4034000000000000
+        e.fpregs[53] = 0x4035000000000000
+        e.fpregs[54] = 0x4036000000000000
+        e.fpregs[55] = 0x4037000000000000
+        e.fpregs[56] = 0x4038000000000000
+        e.fpregs[57] = 0x4039000000000000
+        e.fpregs[58] = 0x403a000000000000
+        e.fpregs[59] = 0x403b000000000000
+        e.fpregs[60] = 0x403c000000000000
+        e.fpregs[61] = 0x403d000000000000
+        e.fpregs[62] = 0x403e000000000000
+        e.fpregs[63] = 0x403f000000000000
+        self.add_case(Program(lst, False), gprs, fpregs=fprs,
+                      initial_svstate=svstate, expected=e)
-- 
2.30.2