Author: David Schneider <[email protected]>
Branch: ppc-jit-backend
Changeset: r52718:a194a3b4885f
Date: 2012-02-21 02:11 -0800
http://bitbucket.org/pypy/pypy/changeset/a194a3b4885f/
Log: store frame size for malloc_slowpath in a variable
diff --git a/pypy/jit/backend/ppc/ppc_assembler.py
b/pypy/jit/backend/ppc/ppc_assembler.py
--- a/pypy/jit/backend/ppc/ppc_assembler.py
+++ b/pypy/jit/backend/ppc/ppc_assembler.py
@@ -301,7 +301,10 @@
if IS_PPC_64:
for _ in range(6):
mc.write32(0)
- mc.subi(r.SP.value, r.SP.value, BACKCHAIN_SIZE * WORD + 1*WORD)
+ frame_size = (# add space for floats later
+ + WORD # Link Register
+ + BACKCHAIN_SIZE * WORD)
+ mc.subi(r.SP.value, r.SP.value, frame_size)
mc.mflr(r.SCRATCH.value)
if IS_PPC_32:
mc.stw(r.SCRATCH.value, r.SP.value, 0)
@@ -329,7 +332,7 @@
mc.load(r.SCRATCH.value, r.SP.value, 0)
mc.mtlr(r.SCRATCH.value) # restore LR
- mc.addi(r.SP.value, r.SP.value, BACKCHAIN_SIZE * WORD + 1*WORD) #
restore old SP
+ mc.addi(r.SP.value, r.SP.value, frame_size) # restore old SP
mc.blr()
# if r3 == 0 we skip the return above and jump to the exception path
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