Author: hager <[email protected]>
Branch: ppc-jit-backend
Changeset: r50495:1828b538ddf7
Date: 2011-12-14 11:50 +0100
http://bitbucket.org/pypy/pypy/changeset/1828b538ddf7/
Log: implemented GUARD_NO_EXCEPTION
diff --git a/pypy/jit/backend/ppc/ppcgen/opassembler.py
b/pypy/jit/backend/ppc/ppcgen/opassembler.py
--- a/pypy/jit/backend/ppc/ppcgen/opassembler.py
+++ b/pypy/jit/backend/ppc/ppcgen/opassembler.py
@@ -310,6 +310,19 @@
emit_cast_ptr_to_int = emit_same_as
emit_cast_int_to_ptr = emit_same_as
+ def emit_guard_no_exception(self, op, arglocs, regalloc):
+ loc = arglocs[0]
+ failargs = arglocs[1:]
+
+ if IS_PPC_32:
+ self.mc.lwz(loc.value, loc.value, 0)
+ self.mc.cmpwi(0, loc.value, 0)
+ else:
+ self.mc.ld(loc.value, loc.value, 0)
+ self.mc.cmpdi(0, loc.value, 0)
+
+ self._emit_guard(op, failargs, c.NE, save_exc=True)
+
def emit_guard_exception(self, op, arglocs, regalloc):
loc, loc1, resloc, pos_exc_value, pos_exception = arglocs[:5]
failargs = arglocs[5:]
diff --git a/pypy/jit/backend/ppc/ppcgen/regalloc.py
b/pypy/jit/backend/ppc/ppcgen/regalloc.py
--- a/pypy/jit/backend/ppc/ppcgen/regalloc.py
+++ b/pypy/jit/backend/ppc/ppcgen/regalloc.py
@@ -357,6 +357,14 @@
self.possibly_free_vars(op.getfailargs())
return arglocs
+ def prepare_guard_no_exception(self, op):
+ loc, box = self._ensure_value_is_boxed(
+ ConstInt(self.cpu.pos_exception()))
+ arglocs = self._prepare_guard(op, [loc])
+ self.possibly_free_var(box)
+ self.possibly_free_vars(op.getfailargs())
+ return arglocs
+
def prepare_guard_value(self, op):
boxes = list(op.getarglist())
b0, b1 = boxes
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