From: Brian Cain <[email protected]>
Signed-off-by: Brian Cain <[email protected]>
---
target/hexagon/hex_common.py | 27 ++++++++++++++++++++++-----
1 file changed, 22 insertions(+), 5 deletions(-)
diff --git a/target/hexagon/hex_common.py b/target/hexagon/hex_common.py
index 758e5fd12d..242dee3731 100755
--- a/target/hexagon/hex_common.py
+++ b/target/hexagon/hex_common.py
@@ -349,6 +349,12 @@ def helper_arg(self):
self.reg_tcg(),
f"{self.helper_arg_type()} {self.helper_arg_name()}"
)
+ def from_subtype(self, subtype):
+ if subtype == "":
+ return self
+ raise Exception(
+ f"unknown subtype '{subtype}' on generic Register class")
+
#
# Every register is either Single or Pair or Hvx
@@ -1070,11 +1076,22 @@ def init_registers():
for reg in new_regs:
new_registers[f"{reg.regtype}{reg.regid}"] = reg
-def get_register(tag, regtype, regid):
- if f"{regtype}{regid}V" in semdict[tag]:
- return registers[f"{regtype}{regid}"]
- else:
- return new_registers[f"{regtype}{regid}"]
+def is_new_reg(tag, regid):
+ if regid[0] in "NO":
+ return True
+ return regid[0] == "P" and \
+ f"{regid}N" in semdict[tag] and \
+ f"{regid}V" not in semdict[tag]
+
+def get_register(tag, regtype, regid, subtype=""):
+ regid = f"{regtype}{regid}"
+ is_new = is_new_reg(tag, regid)
+ try:
+ reg = new_registers[regid] if is_new else registers[regid]
+ except KeyError:
+ raise Exception(f"Unknown {'new ' if is_new else ''}register {regid}"
+\
+ f"from '{tag}' with syntax '{semdict[tag]}'") from None
+ return reg.from_subtype(subtype)
def helper_ret_type(tag, regs):
## If there is a scalar result, it is the return type
--
2.34.1
