[Bug rtl-optimization/23650] Scheduler does not handle zero_extract correctly

[Erwin dot Unruh at fujitsu-siemens dot com]

------- Additional Comments From Erwin dot Unruh at fujitsu-siemens dot com  2005-09-02 09:08 -------
The zero_extract is generated by the combiner pass (x.c.17.combine). Note that 
the official documentation of zero_extract requires a mem:QI (see 
http://gcc.gnu.org/onlinedocs/gccint/Bit_002dFields.html).

I just tested the case with a 4.0.1 crosscompiler. The error is still present.

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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=23650