Author: hager <sven.ha...@uni-duesseldorf.de>
Branch: ppc-jit-backend
Changeset: r49842:62d08e2b17fc
Date: 2011-11-26 15:44 -0800
http://bitbucket.org/pypy/pypy/changeset/62d08e2b17fc/
Log: Add ugly way to avoid problems with holes in MANAGED_REGS
diff --git a/pypy/jit/backend/ppc/ppcgen/ppc_assembler.py
b/pypy/jit/backend/ppc/ppcgen/ppc_assembler.py
--- a/pypy/jit/backend/ppc/ppcgen/ppc_assembler.py
+++ b/pypy/jit/backend/ppc/ppcgen/ppc_assembler.py
@@ -270,10 +270,7 @@
if group == self.FLOAT_TYPE:
assert 0, "not implemented yet"
else:
- if IS_PPC_32:
- value = decode32(spilling_area, spilling_depth -
stack_location * WORD)
- else:
- value = decode64(spilling_area, spilling_depth -
stack_location * WORD)
+ value = decode32(spilling_area, spilling_depth -
stack_location * WORD)
else: # REG_LOC
reg = ord(enc[i])
if group == self.FLOAT_TYPE:
@@ -281,10 +278,12 @@
self.fail_boxes_float.setitem(fail_index, value)
continue
else:
+ # XXX dirty, fix
+ sub = r.managed_regs_sub(reg)
if IS_PPC_32:
- value = decode32(regs, (reg - 3) * WORD)
+ value = decode32(regs, (reg - sub) * WORD)
else:
- value = decode64(regs, (reg - 3) * WORD)
+ value = decode64(regs, (reg - sub) * WORD)
if group == self.INT_TYPE:
self.fail_boxes_int.setitem(fail_index, value)
@@ -325,8 +324,10 @@
loc = regalloc.frame_manager.frame_pos(stack_loc, INT)
j += 4
else: # REG_LOC
- #loc = r.all_regs[ord(res)]
- loc = r.MANAGED_REGS[ord(res) - 3]
+ reg = ord(res)
+ # XXX dirty, fix
+ sub = r.managed_regs_sub(reg)
+ loc = r.MANAGED_REGS[reg - sub]
j += 1
locs.append(loc)
return locs
diff --git a/pypy/jit/backend/ppc/ppcgen/register.py
b/pypy/jit/backend/ppc/ppcgen/register.py
--- a/pypy/jit/backend/ppc/ppcgen/register.py
+++ b/pypy/jit/backend/ppc/ppcgen/register.py
@@ -16,8 +16,14 @@
RES = r3
MANAGED_REGS = [r3, r4, r5, r6, r7, r8, r9, r10,
- r11, r12, r13, r14, r15, r16, r17, r18,
+ r11, r12, r14, r15, r16, r17, r18,
r19, r20, r21, r22, r23, r24, r25, r26,
r27, r28, r29, r30]
PARAM_REGS = [r3, r4, r5, r6, r7, r8, r9, r10]
+
+# XXX fix this at some point
+def managed_regs_sub(reg):
+ if reg > r13.value:
+ return 4
+ return 3
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