[pypy-commit] pypy string-promote-2: pyjitpl support, unfinished

fijal noreply at buildbot.pypy.org
Tue Oct 11 11:49:17 CEST 2011


Author: Maciej Fijalkowski <fijall at gmail.com>
Branch: string-promote-2
Changeset: r47932:e7fbc95d83be
Date: 2011-10-11 11:48 +0200
http://bitbucket.org/pypy/pypy/changeset/e7fbc95d83be/

Log:	pyjitpl support, unfinished

diff --git a/pypy/jit/codewriter/jtransform.py b/pypy/jit/codewriter/jtransform.py
--- a/pypy/jit/codewriter/jtransform.py
+++ b/pypy/jit/codewriter/jtransform.py
@@ -464,11 +464,13 @@
                                         [S, S],
                                         lltype.Signed,
                                         EffectInfo.EF_ELIDABLE_CANNOT_RAISE)
-            descr = self.callcontrol.callinfocollection.callinfo_for_oopspec(
-                EffectInfo.OS_STREQ_NONNULL)[0]
-            op1 = SpaceOperation('str_guard_value', [op.args[0], descr],
+            descr, p = self.callcontrol.callinfocollection.callinfo_for_oopspec(
+                EffectInfo.OS_STREQ_NONNULL)
+            # XXX
+            c = Constant(p.adr.ptr, lltype.typeOf(p.adr.ptr))
+            op1 = SpaceOperation('str_guard_value', [op.args[0], c, descr],
                                  op.result)
-            return op1
+            return [SpaceOperation('-live-', [], None), op1, None]
         else:
             log.WARNING('ignoring hint %r at %r' % (hints, self.graph))
 
@@ -1439,7 +1441,6 @@
             func = heaptracker.adr2int(
                 llmemory.cast_ptr_to_adr(c_func.value))
         self.callcontrol.callinfocollection.add(oopspecindex, calldescr, func)
-        return calldescr
 
     def _handle_stroruni_call(self, op, oopspec_name, args):
         SoU = args[0].concretetype     # Ptr(STR) or Ptr(UNICODE)
diff --git a/pypy/jit/codewriter/test/test_jtransform.py b/pypy/jit/codewriter/test/test_jtransform.py
--- a/pypy/jit/codewriter/test/test_jtransform.py
+++ b/pypy/jit/codewriter/test/test_jtransform.py
@@ -858,7 +858,8 @@
     tr = Transformer(FakeCPU(), FakeBuiltinCallControl())
     op0 = tr.rewrite_operation(op)
     assert op0.opname == 'str_guard_value'
-    assert op0.args == [v1, 'calldescr']
+    assert op0.args[0] == v1
+    assert op0.args[2] == 'calldescr'
     assert op0.result == v2
 
 def test_unicode_concat():
diff --git a/pypy/jit/metainterp/blackhole.py b/pypy/jit/metainterp/blackhole.py
--- a/pypy/jit/metainterp/blackhole.py
+++ b/pypy/jit/metainterp/blackhole.py
@@ -523,6 +523,9 @@
     @arguments("f")
     def bhimpl_float_guard_value(a):
         pass
+    @arguments("r")
+    def bhimpl_str_guard_value(a):
+        pass
 
     @arguments("self", "i")
     def bhimpl_int_push(self, a):
diff --git a/pypy/jit/metainterp/pyjitpl.py b/pypy/jit/metainterp/pyjitpl.py
--- a/pypy/jit/metainterp/pyjitpl.py
+++ b/pypy/jit/metainterp/pyjitpl.py
@@ -166,11 +166,12 @@
 
     def make_result_of_lastop(self, resultbox):
         got_type = resultbox.type
-        if not we_are_translated():
-            typeof = {'i': history.INT,
-                      'r': history.REF,
-                      'f': history.FLOAT}
-            assert typeof[self.jitcode._resulttypes[self.pc]] == got_type
+        # XXX disabled for now, conflicts with str_guard_value
+        #if not we_are_translated():
+        #    typeof = {'i': history.INT,
+        #              'r': history.REF,
+        #              'f': history.FLOAT}
+        #    assert typeof[self.jitcode._resulttypes[self.pc]] == got_type
         target_index = ord(self.bytecode[self.pc-1])
         if got_type == history.INT:
             self.registers_i[target_index] = resultbox
@@ -895,6 +896,17 @@
     def _opimpl_guard_value(self, orgpc, box):
         self.implement_guard_value(orgpc, box)
 
+    @arguments("orgpc", "box", "box", "descr")
+    def opimpl_str_guard_value(self, orgpc, box, funcbox, descr):
+        if isinstance(box, Const):
+            return box     # no promotion needed, already a Const
+        else:
+            constbox = box.constbox()
+            resbox = self.do_residual_call(funcbox, descr, [box, constbox])
+            self.generate_guard(rop.GUARD_TRUE, resbox, resumepc=orgpc)
+            self.metainterp.replace_box(box, constbox)
+            return constbox
+
     opimpl_int_guard_value = _opimpl_guard_value
     opimpl_ref_guard_value = _opimpl_guard_value
     opimpl_float_guard_value = _opimpl_guard_value
diff --git a/pypy/jit/metainterp/test/test_ajit.py b/pypy/jit/metainterp/test/test_ajit.py
--- a/pypy/jit/metainterp/test/test_ajit.py
+++ b/pypy/jit/metainterp/test/test_ajit.py
@@ -13,7 +13,7 @@
 from pypy.rlib.jit import (JitDriver, we_are_jitted, hint, dont_look_inside,
     loop_invariant, elidable, promote, jit_debug, assert_green,
     AssertGreenFailed, unroll_safe, current_trace_length, look_inside_iff,
-    isconstant, isvirtual)
+    isconstant, isvirtual, promote_string)
 from pypy.rlib.rarithmetic import ovfcheck
 from pypy.rpython.lltypesystem import lltype, llmemory, rffi
 from pypy.rpython.ootypesystem import ootype
diff --git a/pypy/jit/metainterp/test/test_string.py b/pypy/jit/metainterp/test/test_string.py
--- a/pypy/jit/metainterp/test/test_string.py
+++ b/pypy/jit/metainterp/test/test_string.py
@@ -3,7 +3,8 @@
 from pypy.jit.codewriter.policy import StopAtXPolicy
 from pypy.jit.metainterp.test.support import LLJitMixin, OOJitMixin
 from pypy.rlib.debug import debug_print
-from pypy.rlib.jit import JitDriver, dont_look_inside, we_are_jitted
+from pypy.rlib.jit import JitDriver, dont_look_inside, we_are_jitted,\
+     promote_string
 from pypy.rlib.rstring import StringBuilder
 from pypy.rpython.ootypesystem import ootype
 
@@ -507,6 +508,17 @@
                           'jump': 1, 'int_is_true': 1,
                           'guard_not_invalidated': 1})
 
+    def test_promote_string(self):
+        driver = JitDriver(greens = [], reds = ['n'])
+        
+        def f(n):
+            while n < 12:
+                driver.jit_merge_point(n=n)
+                promote_string(str(n % 3))
+                n += 1
+            return 0
+
+        self.meta_interp(f, [0])
 
 #class TestOOtype(StringTests, OOJitMixin):
 #    CALL = "oosend"
diff --git a/pypy/rlib/jit.py b/pypy/rlib/jit.py
--- a/pypy/rlib/jit.py
+++ b/pypy/rlib/jit.py
@@ -38,7 +38,7 @@
     possible arguments are:
 
     * promote - promote the argument from a variable into a constant
-    * string_promote - same, but promote string by *value*
+    * promote_string - same, but promote string by *value*
     * access_directly - directly access a virtualizable, as a structure
                         and don't treat it as a virtualizable
     * fresh_virtualizable - means that virtualizable was just allocated.


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