mirror of
https://git.code.sf.net/p/quake/quakeforge
synced 2024-11-26 22:31:05 +00:00
132 lines
4.3 KiB
Python
132 lines
4.3 KiB
Python
print("""// types are encoded as ubf where:
|
|
// u = 0: signed, u = 1: unsigned
|
|
// b = 0: 32-bit, b = 1: 64-bit
|
|
// f = 0: int, f = 1: float/double
|
|
// unsigned float/double is interpreted as bool
|
|
// width is ww where:
|
|
// ww = 00: 1 component
|
|
// ww = 01: 2 components
|
|
// ww = 10: 3 components
|
|
// ww = 11: 4 components
|
|
// full conversion code is wwsssddd where:
|
|
// ww = width
|
|
// sss = src type
|
|
// ddd = dst type
|
|
// case values are in octal
|
|
""")
|
|
types = [
|
|
"int",
|
|
"float",
|
|
"long",
|
|
"double",
|
|
"uint",
|
|
"int", # 32-bit bool
|
|
"ulong",
|
|
"long", # 64-bit bool
|
|
]
|
|
#does not include size (2 or 4, 3 is special)
|
|
vec_types = [
|
|
"ivec",
|
|
"vec",
|
|
"lvec",
|
|
"dvec",
|
|
"uivec",
|
|
"ivec", # 32-bit bool
|
|
"ulvec",
|
|
"lvec", # 64-bit bool
|
|
]
|
|
convert_matrix = [
|
|
#i f l d ui b ul B
|
|
[0, 1, 1, 1, 0, 3, 1, 3], # i
|
|
[1, 0, 1, 1, 1, 3, 1, 3], # f
|
|
[1, 1, 0, 1, 1, 3, 0, 3], # l
|
|
[1, 1, 1, 0, 1, 3, 1, 3], # d
|
|
|
|
[0, 1, 1, 1, 0, 3, 1, 3], # ui
|
|
[2, 2, 2, 2, 2, 0, 2, 3], # 32-bit bool
|
|
[1, 1, 0, 1, 1, 3, 0, 3], # ul
|
|
[2, 2, 2, 2, 2, 3, 2, 0], # 64-bit bool
|
|
]
|
|
|
|
def case_str(width, src_type, dst_type):
|
|
case = (width << 6) | (src_type << 3) | (dst_type)
|
|
return f"case {case:04o}:"
|
|
|
|
#FIXME look into using gcc's __builtin_convertvector
|
|
def cast_str(width, src_type, dst_type):
|
|
if width & 1:
|
|
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:
|
|
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:
|
|
return f"OPC({vec_types[dst_type]}{width+1})"
|
|
else:
|
|
return f"OPC({types[dst_type]})"
|
|
|
|
def zero_str(width, src_type):
|
|
ones = "{%s}" % (", ".join(["0"] * (width + 1)))
|
|
return f"{cast_str(width, src_type, src_type)} {ones}"
|
|
|
|
def one_str(width, src_type):
|
|
ones = "{%s}" % (", ".join(["1"] * (width + 1)))
|
|
return f"{cast_str(width, src_type, src_type)} {ones}"
|
|
|
|
def expand_str(width, src, pref=""):
|
|
src = [f"{pref}{src}[{i}]" for i in range(width + 1)]
|
|
return "{%s}" % (", ".join(src));
|
|
|
|
for width in range(4):
|
|
for src_type in range(8):
|
|
for dst_type in range(8):
|
|
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)
|
|
mode = convert_matrix[src_type][dst_type]
|
|
if mode == 0:
|
|
if dst_type & 2 != src_type & 2:
|
|
continue
|
|
if dst_type & 2:
|
|
src = src_str(width, 2, 2)
|
|
dst = dst_str(width, 2, 2)
|
|
else:
|
|
src = src_str(width, 0, 0)
|
|
dst = dst_str(width, 0, 0)
|
|
if width == 2:
|
|
print(f"{case} VectorCopy(&{src},&{dst}); break;")
|
|
else:
|
|
print(f"{case} {dst} = {src}; break;")
|
|
elif mode == 1:
|
|
if width == 0:
|
|
print(f"{case} {dst} = {cast} {src}; break;")
|
|
elif width == 2:
|
|
print(f"{case} VectorCompUop(&{dst},{cast},&{src}); break;")
|
|
else:
|
|
expand = expand_str(width, src)
|
|
print(f"{case} {dst} = {cast} {expand}; break;")
|
|
elif mode == 2:
|
|
one = one_str(width, src_type)
|
|
if width == 0:
|
|
print(f"{case} {dst} = !!{src}; break;")
|
|
elif width == 2:
|
|
print(f"{case} VectorCompUop(&{dst},!!,&{src}); break;")
|
|
else:
|
|
expand = expand_str(width, src, "!!")
|
|
print(f"{case} {dst} = {cast} {expand}; break;")
|
|
elif mode == 3:
|
|
zero = zero_str(width, src_type)
|
|
if width == 0:
|
|
print(f"{case} {dst} = -!!{src}; break;")
|
|
elif width == 2:
|
|
print(f"{case} VectorCompUop(&{dst},-!!,&{src}); break;")
|
|
else:
|
|
expand = expand_str(width, src, "-!!")
|
|
print(f"{case} {dst} = {cast} {expand}; break;")
|