Author: Richard Plangger <planri...@gmail.com>
Branch: s390x-backend
Changeset: r81884:f5ab3026a4db
Date: 2016-01-21 10:08 +0100
http://bitbucket.org/pypy/pypy/changeset/f5ab3026a4db/
Log: made register r13 dirty before flushing the non volatile registers
to the stack, it seems that this cannot happen in the test suite
because it is either ffi/ctypes that restores a constant r13 after
the call and the translated tests might not need r13 after finishing
the jit code
diff --git a/rpython/jit/backend/zarch/assembler.py
b/rpython/jit/backend/zarch/assembler.py
--- a/rpython/jit/backend/zarch/assembler.py
+++ b/rpython/jit/backend/zarch/assembler.py
@@ -633,7 +633,6 @@
looptoken, clt.allgcrefs)
self.pool.pre_assemble(self, operations)
entrypos = self.mc.get_relative_pos()
- self.mc.LARL(r.POOL, l.halfword(self.pool.pool_start - entrypos))
self._call_header_with_stack_check()
looppos = self.mc.get_relative_pos()
frame_depth_no_fixed_size = self._assemble(regalloc, inputargs,
@@ -1000,6 +999,7 @@
def _call_header(self):
# Build a new stackframe of size STD_FRAME_SIZE_IN_BYTES
self.mc.STMG(r.r6, r.r15, l.addr(6*WORD, r.SP))
+ self.mc.LARL(r.POOL, l.halfword(self.pool.pool_start -
self.mc.get_relative_pos()))
# save the back chain
self.mc.STG(r.SP, l.addr(0, r.SP))
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