From df7c6e75627b704ed9e651963383e2ee0e9704f0 Mon Sep 17 00:00:00 2001
From: Michael Kuron <m.kuron@gmx.de>
Date: Wed, 28 Sep 2022 19:50:15 +0200
Subject: [PATCH] Fix storeAAndFlushCacheline when multiple assignments are in
the same scope
---
pystencils/backends/cbackend.py | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/pystencils/backends/cbackend.py b/pystencils/backends/cbackend.py
index de9cb0d31..e06c29898 100644
--- a/pystencils/backends/cbackend.py
+++ b/pystencils/backends/cbackend.py
@@ -339,7 +339,9 @@ class CBackend:
ptr, self.sympy_printer.doprint(rhs), **self._kwargs) + ';'
code = f"{code}\nif ({flushcond}) {{\n\t{code2}\n}}"
elif nontemporal and 'storeAAndFlushCacheline' in self._vector_instruction_set:
- tmpvar = '_tmp_' + hashlib.sha1(self.sympy_printer.doprint(rhs).encode('ascii')).hexdigest()[:8]
+ lhs_hash = hashlib.sha1(self.sympy_printer.doprint(node.lhs).encode('ascii')).hexdigest()[:8]
+ rhs_hash = hashlib.sha1(self.sympy_printer.doprint(rhs).encode('ascii')).hexdigest()[:8]
+ tmpvar = f'_tmp_{lhs_hash}_{rhs_hash}'
code = 'const ' + self._print(node.lhs.dtype).replace(' const', '') + ' ' + tmpvar + ' = ' \
+ self.sympy_printer.doprint(rhs) + ';'
code1 = self._vector_instruction_set[instr].format(ptr, tmpvar, printed_mask, **self._kwargs) + ';'
--
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