Author: Richard Plangger <[email protected]>
Branch: s390x-backend
Changeset: r82819:539acda35771
Date: 2016-03-06 18:35 +0100
http://bitbucket.org/pypy/pypy/changeset/539acda35771/
Log: kill unused methods (_apply_scale, _multiply_by_constant)
diff --git a/rpython/jit/backend/ppc/opassembler.py
b/rpython/jit/backend/ppc/opassembler.py
--- a/rpython/jit/backend/ppc/opassembler.py
+++ b/rpython/jit/backend/ppc/opassembler.py
@@ -828,63 +828,6 @@
SIZE2SCALE = dict([(1<<_i, _i) for _i in range(32)])
- def _multiply_by_constant(self, loc, multiply_by, scratch_loc):
- # XXX should die together with _apply_scale() but can't because
- # of emit_zero_array() and malloc_cond_varsize() at the moment
- assert loc.is_reg()
- if multiply_by == 1:
- return loc
- try:
- scale = self.SIZE2SCALE[multiply_by]
- except KeyError:
- if _check_imm_arg(multiply_by):
- self.mc.mulli(scratch_loc.value, loc.value, multiply_by)
- else:
- self.mc.load_imm(scratch_loc, multiply_by)
- if IS_PPC_32:
- self.mc.mullw(scratch_loc.value, loc.value,
- scratch_loc.value)
- else:
- self.mc.mulld(scratch_loc.value, loc.value,
- scratch_loc.value)
- else:
- self.mc.sldi(scratch_loc.value, loc.value, scale)
- return scratch_loc
-
- def _apply_scale(self, ofs, index_loc, itemsize):
- # XXX should die now that getarrayitem and getinteriorfield are gone
- # but can't because of emit_zero_array() at the moment
-
- # For arrayitem and interiorfield reads and writes: this returns an
- # offset suitable for use in ld/ldx or similar instructions.
- # The result will be either the register r2 or a 16-bit immediate.
- # The arguments stand for "ofs + index_loc * itemsize",
- # with the following constrains:
- assert ofs.is_imm() # must be an immediate...
- assert _check_imm_arg(ofs.getint()) # ...that fits 16 bits
- assert index_loc is not r.SCRATCH2 # can be a reg or imm (any size)
- assert itemsize.is_imm() # must be an immediate (any size)
-
- multiply_by = itemsize.value
- offset = ofs.getint()
- if index_loc.is_imm():
- offset += index_loc.getint() * multiply_by
- if _check_imm_arg(offset):
- return imm(offset)
- else:
- self.mc.load_imm(r.SCRATCH2, offset)
- return r.SCRATCH2
- else:
- index_loc = self._multiply_by_constant(index_loc, multiply_by,
- r.SCRATCH2)
- # here, the new index_loc contains 'index_loc * itemsize'.
- # If offset != 0 then we have to add it here. Note that
- # mc.addi() would not be valid with operand r0.
- if offset != 0:
- self.mc.addi(r.SCRATCH2.value, index_loc.value, offset)
- index_loc = r.SCRATCH2
- return index_loc
-
def _copy_in_scratch2(self, loc):
if loc.is_imm():
self.mc.li(r.SCRATCH2.value, loc.value)
_______________________________________________
pypy-commit mailing list
[email protected]
https://mail.python.org/mailman/listinfo/pypy-commit
