Renaming xe::cpu::frontend to xe::cpu::ppc.

src/xenia/cpu/ppc/testing/instr_mulhd.s

@@ -0,0 +1,89 @@
+test_mulhd_1:
+  #_ REGISTER_IN r4 1
+  #_ REGISTER_IN r5 0
+  mulhd r3, r4, r5
+  blr
+  #_ REGISTER_OUT r3 0
+  #_ REGISTER_OUT r4 1
+  #_ REGISTER_OUT r5 0
+
+test_mulhd_1_constant:
+  li r4, 1
+  li r5, 0
+  mulhd r3, r4, r5
+  blr
+  #_ REGISTER_OUT r3 0
+  #_ REGISTER_OUT r4 1
+  #_ REGISTER_OUT r5 0
+
+test_mulhd_2:
+  #_ REGISTER_IN r4 0xFFFFFFFFFFFFFFFF
+  #_ REGISTER_IN r5 1
+  mulhd r3, r4, r5
+  blr
+  #_ REGISTER_OUT r3 0xFFFFFFFFFFFFFFFF
+  #_ REGISTER_OUT r4 0xFFFFFFFFFFFFFFFF
+  #_ REGISTER_OUT r5 1
+
+test_mulhd_2_constant:
+  li r4, -1
+  li r5, 1
+  mulhd r3, r4, r5
+  blr
+  #_ REGISTER_OUT r3 0xFFFFFFFFFFFFFFFF
+  #_ REGISTER_OUT r4 0xFFFFFFFFFFFFFFFF
+  #_ REGISTER_OUT r5 1
+
+test_mulhd_3:
+  #_ REGISTER_IN r4 0xFFFFFFFFFFFFFFFF
+  #_ REGISTER_IN r5 2
+  mulhd r3, r4, r5
+  blr
+  #_ REGISTER_OUT r3 0xFFFFFFFFFFFFFFFF
+  #_ REGISTER_OUT r4 0xFFFFFFFFFFFFFFFF
+  #_ REGISTER_OUT r5 2
+
+test_mulhd_3_constant:
+  li r4, -1
+  li r5, 2
+  mulhd r3, r4, r5
+  blr
+  #_ REGISTER_OUT r3 0xFFFFFFFFFFFFFFFF
+  #_ REGISTER_OUT r4 0xFFFFFFFFFFFFFFFF
+  #_ REGISTER_OUT r5 2
+
+test_mulhd_4:
+  #_ REGISTER_IN r4 0x8000000000000000
+  #_ REGISTER_IN r5 1
+  mulhd r3, r4, r5
+  blr
+  #_ REGISTER_OUT r3 0xFFFFFFFFFFFFFFFF
+  #_ REGISTER_OUT r4 0x8000000000000000
+  #_ REGISTER_OUT r5 1
+
+test_mulhd_4_constant:
+  li r5, 1
+  sldi r4, r5, 63
+  mulhd r3, r4, r5
+  blr
+  #_ REGISTER_OUT r3 0xFFFFFFFFFFFFFFFF
+  #_ REGISTER_OUT r4 0x8000000000000000
+  #_ REGISTER_OUT r5 1
+
+test_mulhd_5:
+  #_ REGISTER_IN r4 0xFFFFFFFFFFFFFFFF
+  #_ REGISTER_IN r5 0xFFFFFFFFFFFFFFFF
+  mulhd r3, r4, r5
+  blr
+  #_ REGISTER_OUT r3 0
+  #_ REGISTER_OUT r4 0xFFFFFFFFFFFFFFFF
+  #_ REGISTER_OUT r5 0xFFFFFFFFFFFFFFFF
+
+test_mulhd_5_constant:
+  li r4, -1
+  li r5, -1
+  mulhd r3, r4, r5
+  blr
+  #_ REGISTER_OUT r3 0
+  #_ REGISTER_OUT r4 0xFFFFFFFFFFFFFFFF
+  #_ REGISTER_OUT r5 0xFFFFFFFFFFFFFFFF