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Add Load/Store Pair for RV32 extensions (Zilsd & Zcmlsd) #177

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merged 2 commits into from
Jun 7, 2024
Merged

Add Load/Store Pair for RV32 extensions (Zilsd & Zcmlsd) #177

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7e837b7
Adding support for Zilsd extension
christian-herber-nxp Dec 11, 2023
63285ba
Split Zilsd into Zilsd and Zcmlsd
christian-herber-nxp Apr 16, 2024
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4 changes: 2 additions & 2 deletions riscv_config/constants.py
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Original file line number Diff line number Diff line change
Expand Up @@ -21,10 +21,10 @@
] + Zvef_extensions + Zved_extensions

Z_extensions = [
"Zicbom", "Zicbop", "Zicboz", "Zicntr", "Zicsr", "Zicond", "Zicfilp", "Zicfiss", "Zifencei", "Zihintpause", "Zihpm", "Zimop",
"Zicbom", "Zicbop", "Zicboz", "Zicntr", "Zicsr", "Zicond", "Zicfilp", "Zicfiss", "Zifencei", "Zihintpause", "Zihpm", "Zilsd", "Zimop",
"Zmmul",
"Zam", "Zabha", "Zacas",
"Zca", "Zcb", "Zcf", "Zcd" , "Zcmp", "Zcmt", "Zcmop",
"Zca", "Zcb", "Zcf", "Zcd" , "Zcmp", "Zcmt", "Zcmop", "Zcmlsd",
"Zfh", "Zfa",
"Zfinx", "Zdinx", "Zhinx", "Zhinxmin",
"Ztso",
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6 changes: 6 additions & 0 deletions riscv_config/isa_validator.py
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Expand Up @@ -82,6 +82,12 @@ def get_extension_list(isa):
if 'S' in extension_list and not 'U' in extension_list:
err_list.append( "S cannot exist without U.")
err = True
if 'Zcmlsd' in extension_list and 'Zcf' in extension_list:
err_list.append( "Zcmlsd encodings are mutually exclusive with Zcf.")
err = True
if 'Zcmlsd' in extension_list and 'Zilsd' not in extension_list:
err_list.append( "Zcmlsd cannot exist without Zilsd.")
err = True
if 'Zkn' in extension_list and ( set(['Zbkb', 'Zbkc', 'Zbkx', 'Zkne', 'Zknd', 'Zknh']) & set(extension_list)):
err_list.append( "Zkn is a superset of Zbkb, Zbkc, Zbkx, Zkne, Zknd, Zknh. In presence of Zkn the subsets must be ignored in the ISA string.")
err = True
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