Author: Armin Rigo <ar...@tunes.org>
Branch:
Changeset: r71138:95d8506f3861
Date: 2014-05-01 17:28 +0200
http://bitbucket.org/pypy/pypy/changeset/95d8506f3861/
Log: Actually, ud2 is unreachable, not ignored.
diff --git a/rpython/translator/c/gcc/trackgcroot.py
b/rpython/translator/c/gcc/trackgcroot.py
--- a/rpython/translator/c/gcc/trackgcroot.py
+++ b/rpython/translator/c/gcc/trackgcroot.py
@@ -522,8 +522,6 @@
'movnt', 'mfence', 'lfence', 'sfence',
# bit manipulations
'bextr',
- # invalid instruction
- 'ud2',
])
# a partial list is hopefully good enough for now; it's all to support
@@ -695,6 +693,9 @@
return self.visit_ret(line)
return []
+ def visit_ud2(self, line):
+ return InsnStop("ud2") # unreachable instruction
+
def visit_jmp(self, line):
tablelabels = []
match = self.r_jmp_switch.match(line)
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