[pypy-commit] pypy ppc-vsx-support: removed comments, fixed problem with rewrite (was changed slightly for vectorization)

[plan_rich]

Author: Richard Plangger <planrichi at gmail.com>
Branch: ppc-vsx-support
Changeset: r85772:1932988064a3
Date: 2016-07-19 16:45 +0200
http://bitbucket.org/pypy/pypy/changeset/1932988064a3/

Log:	removed comments, fixed problem with rewrite (was changed slightly
	for vectorization)

diff --git a/rpython/jit/backend/llsupport/rewrite.py b/rpython/jit/backend/llsupport/rewrite.py
--- a/rpython/jit/backend/llsupport/rewrite.py
+++ b/rpython/jit/backend/llsupport/rewrite.py
@@ -160,10 +160,9 @@
     def _emit_mul_if_factor_offset_not_supported(self, index_box,
                                                  factor, offset):
         factor, offset, new_index_box = cpu_simplify_scale(self.cpu, index_box, factor, offset)
-        if new_index_box is not None:
+        if new_index_box is not None and index_box is not new_index_box:
             self.emit_op(new_index_box)
-            return factor, offset, new_index_box
-        return factor, offset, index_box
+        return factor, offset, new_index_box
 
     def emit_gc_load_or_indexed(self, op, ptr_box, index_box, itemsize,
                                 factor, offset, sign, type='i'):
@@ -195,14 +194,6 @@
         NOT_SIGNED = 0
         CINT_ZERO = ConstInt(0)
         opnum = op.getopnum()
-        #if opnum == rop.CALL_MALLOC_NURSERY_VARSIZE:
-        #    v_length = op.getarg(2)
-        #    scale = op.getarg(1).getint()
-        #    if scale not in self.cpu.load_supported_factors:
-        #        scale, offset, v_length = \
-        #                self._emit_mul_if_factor_offset_not_supported(v_length, scale, 0)
-        #        op.setarg(1, ConstInt(scale))
-        #        op.setarg(2, v_length)
         if rop.is_getarrayitem(opnum) or \
            opnum in (rop.GETARRAYITEM_RAW_I,
                      rop.GETARRAYITEM_RAW_F):
@@ -786,10 +777,6 @@
              arraydescr.lendescr.offset != gc_descr.standard_array_length_ofs)):
             return False
         self.emitting_an_operation_that_can_collect()
-        #scale = itemsize
-        #if scale not in self.cpu.load_supported_factors:
-        #    scale, offset, v_length = \
-        #            self._emit_mul_if_factor_offset_not_supported(v_length, scale, 0)
         op = ResOperation(rop.CALL_MALLOC_NURSERY_VARSIZE,
                           [ConstInt(kind), ConstInt(itemsize), v_length],
                           descr=arraydescr)
@@ -986,6 +973,5 @@
                 index_box = ResOperation(rop.INT_MUL,
                         [index_box, ConstInt(factor)])
             factor = 1
-            return factor, offset, index_box
-        return factor, offset, None
+        return factor, offset, index_box
 
diff --git a/rpython/jit/backend/ppc/regalloc.py b/rpython/jit/backend/ppc/regalloc.py
--- a/rpython/jit/backend/ppc/regalloc.py
+++ b/rpython/jit/backend/ppc/regalloc.py
@@ -603,8 +603,6 @@
                 loc = self.loc(accuminfo.getoriginal())
                 args[i] = loc
                 accuminfo = accuminfo.next()
-
-        self.possibly_free_vars(op.getfailargs())
         return args
 
     def load_condition_into_cc(self, box):