[pypy-commit] pypy ppc-jit-backend: Add support for convert_float_bytes_to_longlong and

[edelsohn]

Author: edelsohn
Branch: ppc-jit-backend
Changeset: r55618:635cf13e082a
Date: 2012-06-12 10:46 -0400
http://bitbucket.org/pypy/pypy/changeset/635cf13e082a/

Log:	Add support for convert_float_bytes_to_longlong and
	convert_longlong_bytes_to_float.

diff --git a/pypy/jit/backend/ppc/opassembler.py b/pypy/jit/backend/ppc/opassembler.py
--- a/pypy/jit/backend/ppc/opassembler.py
+++ b/pypy/jit/backend/ppc/opassembler.py
@@ -223,6 +223,16 @@
         self.mc.lfd(temp_loc.value, r.SPP.value, FORCE_INDEX_OFS + WORD)
         self.mc.fcfid(res.value, temp_loc.value)
 
+    def emit_convert_float_bytes_to_longlong(self, op, arglocs, regalloc):
+        l0, res = arglocs
+        self.mc.stfd(l0.value, r.SPP.value, FORCE_INDEX_OFS + WORD)
+        self.mc.ld(res.value, r.SPP.value, FORCE_INDEX_OFS + WORD)
+
+    def emit_convert_longlong_bytes_to_float(self, op, arglocs, regalloc):
+        l0, res = arglocs
+        self.mc.std(l0.value, r.SPP.value, FORCE_INDEX_OFS + WORD)
+        self.mc.lfd(res.value, r.SPP.value, FORCE_INDEX_OFS + WORD)
+
 class GuardOpAssembler(object):
 
     _mixin_ = True
diff --git a/pypy/jit/backend/ppc/regalloc.py b/pypy/jit/backend/ppc/regalloc.py
--- a/pypy/jit/backend/ppc/regalloc.py
+++ b/pypy/jit/backend/ppc/regalloc.py
@@ -508,6 +508,20 @@
         res = self.fprm.force_allocate_reg(op.result)
         return [loc1, temp_loc, res]
 
+    def prepare_convert_float_bytes_to_longlong(self, op):
+        loc1 = self._ensure_value_is_boxed(op.getarg(0))
+        self.possibly_free_vars_for_op(op)
+        self.free_temp_vars()
+        res = self.rm.force_allocate_reg(op.result)
+        return [loc1, res]
+
+    def prepare_convert_longlong_bytes_to_float(self, op):
+        loc1 = self._ensure_value_is_boxed(op.getarg(0))
+        self.possibly_free_vars_for_op(op)
+        self.free_temp_vars()
+        res = self.fprm.force_allocate_reg(op.result)
+        return [loc1, res]
+
     def prepare_finish(self, op):
         args = [None] * (op.numargs() + 1)
         for i in range(op.numargs()):