[Bug rtl-optimization/17099] [3.5 Regression] Bootstrap failure on powerpc64-redhat-linux

[jakub at gcc dot gnu dot org]

------- Additional Comments From jakub at gcc dot gnu dot org  2004-08-19 16:37 -------
I think the bug is in combine.c (force_to_mode).
force_to_mode (
(subreg:DI (ior:SI (lshiftrt:SI (reg:SI 125)
            (const_int 31 [0x1f]))
        (subreg/s:SI (reg:DI 134 [ iftmp.1 ]) 4)) 0)
, DImode, 3, 0, 0)
returns
(ior:DI (lshiftrt:DI (subreg:DI (reg:SI 125) 0)
        (const_int 31 [0x1f]))
    (reg:DI 134 [ iftmp.1 ]))


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=17099