xenia/fox-tools
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

rv2fox: Understand sh, lh, lhu, sb, lb, lbu

Browse Source
This commit is contained in:
Ry 2023-02-07 00:58:39 -08:00
parent 8b5d547107
commit 4c11013af0
1 changed files with 2 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
gcc/rv2fox
View File

@ -167,6 +167,7 @@ class Converter:
def ldst_to_size(insn): def ldst_to_size(insn):
size_map = { size_map = {
'lb': 8, 'lh': 16, 'lw': 32, 'lb': 8, 'lh': 16, 'lw': 32,
'lbu': 8, 'lhu': 16,
'sb': 8, 'sh': 16, 'sw': 32, 'sb': 8, 'sh': 16, 'sw': 32,
} }
if insn in size_map: if insn in size_map:
@ -283,7 +284,7 @@ class Converter:
self.e.mov(tmp, self.reg(rs1)) self.e.mov(tmp, self.reg(rs1))
self.e.insn(op, tmp, self.reg(rs2)) self.e.insn(op, tmp, self.reg(rs2))
self.e.mov(self.reg(rd), tmp) self.e.mov(self.reg(rd), tmp)
elif insn in ['sw', 'lw']: elif insn in ['sw', 'lw', 'sh', 'lh', 'lhu', 'sb', 'lb', 'lbu']:
rval, address = operands rval, address = operands
offset, rbase = re.fullmatch(r'(-?[0-9]+)\(([a-z0-9]+)\)', address).groups() offset, rbase = re.fullmatch(r'(-?[0-9]+)\(([a-z0-9]+)\)', address).groups()
self.ldst(insn, self.reg(rval), self.reg(rbase), offset) self.ldst(insn, self.reg(rval), self.reg(rbase), offset)