def gen_def_helper_opn(f, tag, regtype, regid, toss, numregs, i):
if (hex_common.is_pair(regid)):
f.write(", %s" % (def_helper_types_pair[regtype]))
elif (hex_common.is_single(regid)):
f.write(", %s" % (def_helper_types[regtype]))
else:
print("Bad register parse: ",regtype,regid,toss,numregs)
def genptr_dst_write_opn(f, regtype, regid, tag):
if (hex_common.is_pair(regid)):
genptr_dst_write(f, tag, regtype, regid)
elif (hex_common.is_single(regid)):
genptr_dst_write(f, tag, regtype, regid)
else:
print("Bad register parse: ", regtype, regid, toss, numregs)
def gen_helper_dest_decl_opn(f, regtype, regid, i):
if (hex_common.is_pair(regid)):
gen_helper_dest_decl_pair(f, regtype, regid, i)
elif (hex_common.is_single(regid)):
gen_helper_dest_decl(f, regtype, regid, i)
else:
print("Bad register parse: ", regtype, regid, toss, numregs)
def genptr_src_read_opn(f, regtype, regid, tag):
if (hex_common.is_pair(regid)):
genptr_src_read(f, regtype, regid)
elif (hex_common.is_single(regid)):
if hex_common.is_old_val(regtype, regid, tag):
genptr_src_read(f, regtype, regid)
elif hex_common.is_new_val(regtype, regid, tag):
genptr_src_read_new(f, regtype, regid)
else:
print("Bad register parse: ", regtype, regid, toss, numregs)
else:
print("Bad register parse: ", regtype, regid, toss, numregs)
def genptr_decl_opn(f, tag, regtype, regid, toss, numregs, i):
if (hex_common.is_pair(regid)):
genptr_decl(f, tag, regtype, regid, i)
elif (hex_common.is_single(regid)):
if hex_common.is_old_val(regtype, regid, tag):
genptr_decl(f, tag, regtype, regid, i)
elif hex_common.is_new_val(regtype, regid, tag):
genptr_decl_new(f, regtype, regid, i)
else:
print("Bad register parse: ", regtype, regid, toss, numregs)
else:
print("Bad register parse: ", regtype, regid, toss, numregs)
def gen_helper_arg_opn(f, regtype, regid, i, tag):
if (hex_common.is_pair(regid)):
gen_helper_arg_pair(f, regtype, regid, i)
elif (hex_common.is_single(regid)):
if hex_common.is_old_val(regtype, regid, tag):
gen_helper_arg(f, regtype, regid, i)
elif hex_common.is_new_val(regtype, regid, tag):
gen_helper_arg_new(f, regtype, regid, i)
else:
print("Bad register parse: ", regtype, regid, toss, numregs)
else:
print("Bad register parse: ", regtype, regid, toss, numregs)
def gen_helper_call_opn(f, tag, regtype, regid, toss, numregs, i):
if (i > 0): f.write(", ")
if (hex_common.is_pair(regid)):
f.write("%s%sV" % (regtype, regid))
elif (hex_common.is_single(regid)):
if hex_common.is_old_val(regtype, regid, tag):
f.write("%s%sV" % (regtype, regid))
elif hex_common.is_new_val(regtype, regid, tag):
f.write("%s%sN" % (regtype, regid))
else:
print("Bad register parse: ", regtype, regid, toss, numregs)
else:
print("Bad register parse: ", regtype, regid, toss, numregs)
def gen_helper_return_opn(f, regtype, regid, i):
if (hex_common.is_pair(regid)):
if (hex_common.is_hvx_reg(regtype)):
gen_helper_dst_write_ext_pair(f, regtype, regid)
else:
gen_helper_return_pair(f, regtype, regid, i)
elif (hex_common.is_single(regid)):
if (hex_common.is_hvx_reg(regtype)):
gen_helper_dst_write_ext(f, regtype, regid)
else:
gen_helper_return(f, regtype, regid, i)
else:
print("Bad register parse: ", regtype, regid, toss, numregs)
def genptr_dst_write_opn(f, regtype, regid, tag):
if (hex_common.is_pair(regid)):
if (hex_common.is_hvx_reg(regtype)):
if (hex_common.is_tmp_result(tag)):
genptr_dst_write_ext(f, tag, regtype, regid, "EXT_TMP")
else:
genptr_dst_write_ext(f, tag, regtype, regid)
else:
genptr_dst_write(f, tag, regtype, regid)
elif (hex_common.is_single(regid)):
if (hex_common.is_hvx_reg(regtype)):
if (hex_common.is_new_result(tag)):
genptr_dst_write_ext(f, tag, regtype, regid, "EXT_NEW")
if (hex_common.is_tmp_result(tag)):
genptr_dst_write_ext(f, tag, regtype, regid, "EXT_TMP")
else:
genptr_dst_write_ext(f, tag, regtype, regid, "EXT_DFL")
else:
genptr_dst_write(f, tag, regtype, regid)
else:
print("Bad register parse: ", regtype, regid, toss, numregs)
def genptr_dst_write_opn(f, regtype, regid, tag):
if (hex_common.is_pair(regid)):
if (hex_common.is_hvx_reg(regtype)):
if ('A_CVI_TMP' in hex_common.attribdict[tag]
or 'A_CVI_TMP_DST' in hex_common.attribdict[tag]):
genptr_dst_write_ext(f, tag, regtype, regid, "EXT_TMP")
else:
genptr_dst_write_ext(f, tag, regtype, regid)
else:
genptr_dst_write(f, tag, regtype, regid)
elif (hex_common.is_single(regid)):
if (hex_common.is_hvx_reg(regtype)):
if 'A_CVI_NEW' in hex_common.attribdict[tag]:
genptr_dst_write_ext(f, tag, regtype, regid, "EXT_NEW")
elif 'A_CVI_TMP' in hex_common.attribdict[tag]:
genptr_dst_write_ext(f, tag, regtype, regid, "EXT_TMP")
elif 'A_CVI_TMP_DST' in hex_common.attribdict[tag]:
genptr_dst_write_ext(f, tag, regtype, regid, "EXT_TMP")
else:
genptr_dst_write_ext(f, tag, regtype, regid, "EXT_DFL")
else:
genptr_dst_write(f, tag, regtype, regid)
else:
print("Bad register parse: ", regtype, regid, toss, numregs)
def gen_helper_function(f, tag, tagregs, tagimms):
regs = tagregs[tag]
imms = tagimms[tag]
numresults = 0
numscalarresults = 0
numscalarreadwrite = 0
for regtype, regid, toss, numregs in regs:
if (hex_common.is_written(regid)):
numresults += 1
if (hex_common.is_scalar_reg(regtype)):
numscalarresults += 1
if (hex_common.is_readwrite(regid)):
if (hex_common.is_scalar_reg(regtype)):
numscalarreadwrite += 1
if (numscalarresults > 1):
## The helper is bogus when there is more than one result
f.write(
"void HELPER(%s)(CPUHexagonState *env) { BOGUS_HELPER(%s); }\n" %
(tag, tag))
else:
## The return type of the function is the type of the destination
## register (if scalar)
i = 0
for regtype, regid, toss, numregs in regs:
if (hex_common.is_written(regid)):
if (hex_common.is_pair(regid)):
if (hex_common.is_hvx_reg(regtype)):
continue
else:
gen_helper_return_type_pair(f, regtype, regid, i)
elif (hex_common.is_single(regid)):
if (hex_common.is_hvx_reg(regtype)):
continue
else:
gen_helper_return_type(f, regtype, regid, i)
else:
print("Bad register parse: ", regtype, regid, toss,
numregs)
i += 1
if (numscalarresults == 0):
f.write("void")
f.write(" HELPER(%s)(CPUHexagonState *env" % tag)
## Arguments include the vector destination operands
i = 1
for regtype, regid, toss, numregs in regs:
if (hex_common.is_written(regid)):
if (hex_common.is_pair(regid)):
if (hex_common.is_hvx_reg(regtype)):
gen_helper_arg_ext_pair(f, regtype, regid, i)
else:
continue
elif (hex_common.is_single(regid)):
if (hex_common.is_hvx_reg(regtype)):
gen_helper_arg_ext(f, regtype, regid, i)
else:
# This is the return value of the function
continue
else:
print("Bad register parse: ", regtype, regid, toss,
numregs)
i += 1
## Arguments to the helper function are the source regs and immediates
for regtype, regid, toss, numregs in regs:
if (hex_common.is_read(regid)):
if (hex_common.is_hvx_reg(regtype)
and hex_common.is_readwrite(regid)):
continue
gen_helper_arg_opn(f, regtype, regid, i, tag)
i += 1
for immlett, bits, immshift in imms:
gen_helper_arg_imm(f, immlett)
i += 1
if hex_common.need_slot(tag):
if i > 0: f.write(", ")
f.write("uint32_t slot")
i += 1
if hex_common.need_part1(tag):
if i > 0: f.write(", ")
f.write("uint32_t part1")
f.write(")\n{\n")
if (not hex_common.need_slot(tag)):
f.write(" uint32_t slot __attribute__((unused)) = 4;\n")
if hex_common.need_ea(tag): gen_decl_ea(f)
## Declare the return variable
i = 0
for regtype, regid, toss, numregs in regs:
if (hex_common.is_writeonly(regid)):
gen_helper_dest_decl_opn(f, regtype, regid, i)
i += 1
for regtype, regid, toss, numregs in regs:
if (hex_common.is_read(regid)):
if (hex_common.is_pair(regid)):
if (hex_common.is_hvx_reg(regtype)):
gen_helper_src_var_ext_pair(f, regtype, regid, i)
elif (hex_common.is_single(regid)):
if (hex_common.is_hvx_reg(regtype)):
gen_helper_src_var_ext(f, regtype, regid)
else:
print("Bad register parse: ", regtype, regid, toss,
numregs)
if 'A_FPOP' in hex_common.attribdict[tag]:
f.write(' arch_fpop_start(env);\n')
f.write(" %s\n" % hex_common.semdict[tag])
if 'A_FPOP' in hex_common.attribdict[tag]:
f.write(' arch_fpop_end(env);\n')
## Save/return the return variable
for regtype, regid, toss, numregs in regs:
if (hex_common.is_written(regid)):
gen_helper_return_opn(f, regtype, regid, i)
f.write("}\n\n")
