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[gamecode] Clean up a pile of duplicate code

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All those duplicated formats were getting unwieldy, especially as I want
to add more conversion modes.
This commit is contained in:
Bill Currie 2022-01-13 16:10:06 +09:00
parent 3eb2194343
commit ba1d73200f
1 changed files with 32 additions and 6 deletions
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38
libs/gamecode/convert.py
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@ -46,22 +46,48 @@ convert_matrix = [
[1, 1, 0, 1, 1, 0, 0, 0], # ul
[0, 0, 0, 0, 0, 0, 0, 0], # X
]
def case_str(width, src_type, dst_type):
case = (width << 6) | (src_type << 3) | (dst_type)
return f"case {case:04o}:"
def cast_str(width, src_type, dst_type):
if width & 1 and (src_type & 2) == (dst_type & 2):
return f"(pr_{vec_types[dst_type]}{width+1}_t)"
else:
return f"(pr_{types[dst_type]}_t)"
def src_str(width, src_type, dst_type):
if width & 1 and (src_type & 2) == (dst_type & 2):
return f"OPA({vec_types[src_type]}{width+1})"
else:
return f"OPA({types[src_type]})"
def dst_str(width, src_type, dst_type):
if width & 1 and (src_type & 2) == (dst_type & 2):
return f"OPC({vec_types[dst_type]}{width+1})"
else:
return f"OPC({types[dst_type]})"
for width in range(4):
for src_type in range(8):
for dst_type in range(8):
mode = convert_matrix[src_type][dst_type]
if not mode:
continue
case = (width << 6) | (src_type << 3) | (dst_type)
case = case_str(width, src_type, dst_type)
cast = cast_str(width, src_type, dst_type)
src = src_str(width, src_type, dst_type)
dst = dst_str(width, src_type, dst_type)
if width == 0:
print(f"case {case:04o}: OPC({types[dst_type]}) = (pr_{types[dst_type]}_t) OPA({types[src_type]}); break;")
print(f"{case} {dst} = {cast} {src}; break;")
elif width == 2:
print(f"case {case:04o}: VectorCompUop(&OPC({types[dst_type]}), (pr_{types[dst_type]}_t), &OPA({types[src_type]})); break;")
print(f"{case} VectorCompUop(&{dst}, {cast}, &{src}); break;")
else:
if (src_type & 2) == (dst_type & 2):
print(f"case {case:04o}: OPC({vec_types[dst_type]}{width+1}) = (pr_{vec_types[dst_type]}{width+1}_t) OPA({vec_types[src_type]}{width+1}); break;")
print(f"{case} {dst} = {cast} {src}; break;")
else:
print(f"case {case:04o}:")
print(f"{case}")
for i in range(width + 1):
print(f"\t(&OPC({types[dst_type]}))[{i}] = (pr_{types[dst_type]}_t) (&OPA({types[src_type]}))[{i}];")
print(f"\t(&{dst})[{i}] = {cast} (&{src})[{i}];")
print(f"\tbreak;")