target/843: ARM g77 `Unrecognizable insn' from const_double with -fPIC

philb@gnu.org philb@gnu.org
Sun Nov 19 04:06:00 GMT 2000


>Number:         843
>Category:       target
>Synopsis:       ARM g77 `Unrecognizable insn' from const_double with -fPIC
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    unassigned
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Sun Nov 19 04:06:01 PST 2000
>Closed-Date:
>Last-Modified:
>Originator:     philb@gnu.org
>Release:        unknown-1.0
>Organization:
>Environment:

>Description:
(current HEAD as of Nov 11; arm-linux target; attached file is test-case)

$ ./f771 -O2 -fPIC ~/zbknu.f
 zbknu_/home/pb/zbknu.f: In subroutine `zbknu':

/home/pb/zbknu.f:567: Unrecognizable insn:

(insn 291 5514 299 (set (reg/v:DF 90)
        (const_double:DF (mem/u/f:DF (symbol_ref/u:SI ("*.LC3")) 0) 0 [0x0] 0 [0x0] [0])) -1 (nil)
    (expr_list:REG_EQUAL (const_double:DF (mem/u/f:DF (symbol_ref/u:SI ("*.LC3")) 0) 0 [0x0] 0 [0x0] [0])
        (nil)))

Compiling without -fPIC is successful.
>How-To-Repeat:

>Fix:

>Release-Note:
>Audit-Trail:
>Unformatted:
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