Author: edelsohn
Branch: ppc-jit-backend
Changeset: r50966:03c64ec12500
Date: 2011-12-30 12:16 -0500
http://bitbucket.org/pypy/pypy/changeset/03c64ec12500/
Log: allocate and deallocate SCRATCH in store_reg. refer to r.SCRATCH in
b_abs and bl_abs.
diff --git a/pypy/jit/backend/ppc/ppcgen/codebuilder.py
b/pypy/jit/backend/ppc/ppcgen/codebuilder.py
--- a/pypy/jit/backend/ppc/ppcgen/codebuilder.py
+++ b/pypy/jit/backend/ppc/ppcgen/codebuilder.py
@@ -990,11 +990,12 @@
self.ldx(rD.value, 0, rD.value)
def store_reg(self, source_reg, addr):
- self.load_imm(r.r0, addr)
+ self.alloc_scratch_reg(addr)
if IS_PPC_32:
- self.stwx(source_reg.value, 0, r.r0.value)
+ self.stwx(source_reg.value, 0, r.SCRATCH.value)
else:
- self.stdx(source_reg.value, 0, r.r0.value)
+ self.stdx(source_reg.value, 0, r.SCRATCH.value)
+ self.free_scratch_reg()
def b_offset(self, offset):
curpos = self.currpos()
@@ -1021,7 +1022,7 @@
def b_abs(self, address, trap=False):
self.alloc_scratch_reg(address)
- self.mtctr(r.r0.value)
+ self.mtctr(r.SCRATCH.value)
self.free_scratch_reg()
if trap:
self.trap()
@@ -1029,7 +1030,7 @@
def bl_abs(self, address):
self.alloc_scratch_reg(address)
- self.mtctr(r.r0.value)
+ self.mtctr(r.SCRATCH.value)
self.free_scratch_reg()
self.bctrl()
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