Author: David Schneider <[email protected]>
Branch: arm-backed-float
Changeset: r44313:cf9ada0b49ac
Date: 2011-05-20 10:40 +0200
http://bitbucket.org/pypy/pypy/changeset/cf9ada0b49ac/
Log: ensure stack alignment when patching the stack pointer to reserve
space for spilling variables
diff --git a/pypy/jit/backend/arm/assembler.py
b/pypy/jit/backend/arm/assembler.py
--- a/pypy/jit/backend/arm/assembler.py
+++ b/pypy/jit/backend/arm/assembler.py
@@ -617,6 +617,12 @@
if frame_depth == 1:
return
n = (frame_depth-1)*WORD
+
+ # ensure the sp is 8 byte aligned when patching it
+ if n % 8 != 0:
+ n += WORD
+ assert n % 8 == 0
+
self._adjust_sp(n, cb, base_reg=r.fp)
def _adjust_sp(self, n, cb=None, fcond=c.AL, base_reg=r.sp):
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