[Bug rtl-optimization/15792] missed subreg optimization

[ian at airs dot com]

------- Comment #6 from ian at airs dot com  2006-02-02 18:18 -------
With the version of RTH's subreg lowering pass which I am working on, I get
identical code for both functions:

test1:
        movl    8(%esp), %eax
        orl     4(%esp), %eax
        jne     .L7
        ret
        .p2align 4,,7
.L7:
        jmp     gh


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=15792