Gabe Black has uploaded this change for review. (
https://gem5-review.googlesource.com/c/public/gem5/+/49747 )
Change subject: arch: Split up src/dest register ID creation.
......................................................................
arch: Split up src/dest register ID creation.
This will allow us to selectively change the RegID of an operand to, for
instance, convert it to InvalidRegClass just as a source so it never
actually gets read.
Change-Id: I9f8117cbb2088f8150080f815cdb5cb84bd7218e
---
M src/arch/isa_parser/operand_types.py
1 file changed, 10 insertions(+), 4 deletions(-)
diff --git a/src/arch/isa_parser/operand_types.py
b/src/arch/isa_parser/operand_types.py
index 6121ff3..e22358f 100755
--- a/src/arch/isa_parser/operand_types.py
+++ b/src/arch/isa_parser/operand_types.py
@@ -118,6 +118,12 @@
def regId(self):
return f'RegId({self.reg_class}, {self.reg_spec})'
+ def srcRegId(self):
+ return self.regId()
+
+ def destRegId(self):
+ return self.regId()
+
def __init__(self, parser, full_name, ext, is_src, is_dest):
self.parser = parser
self.full_name = full_name
@@ -213,13 +219,13 @@
c_dest = ''
if self.is_src:
- c_src = self.src_reg_constructor % self.regId()
+ c_src = self.src_reg_constructor % self.srcRegId()
if self.hasReadPred():
c_src = '\n\tif (%s) {%s\n\t}' % \
(self.read_predicate, c_src)
if self.is_dest:
- c_dest = self.dst_reg_constructor % self.regId()
+ c_dest = self.dst_reg_constructor % self.destRegId()
c_dest += f'\n\t_numTypedDestRegs[{self.reg_class}]++;'
if self.hasWritePred():
c_dest = '\n\tif (%s) {%s\n\t}' % \
@@ -460,10 +466,10 @@
c_dest = ''
if self.is_src:
- c_src = self.src_reg_constructor % self.regId()
+ c_src = self.src_reg_constructor % self.srcRegId()
if self.is_dest:
- c_dest = self.dst_reg_constructor % self.regId()
+ c_dest = self.dst_reg_constructor % self.destRegId()
return c_src + c_dest
--
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Gerrit-Project: public/gem5
Gerrit-Branch: develop
Gerrit-Change-Id: I9f8117cbb2088f8150080f815cdb5cb84bd7218e
Gerrit-Change-Number: 49747
Gerrit-PatchSet: 1
Gerrit-Owner: Gabe Black <gabe.bl...@gmail.com>
Gerrit-MessageType: newchange
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