[Bug tdep/13766] New: [7.3/7.4 Regression] "info vec" and info "float" don't work with AVX

["hjl.tools at gmail dot com" <sourceware-bugzilla@sourceware.org>]

http://sourceware.org/bugzilla/show_bug.cgi?id=13766

             Bug #: 13766
           Summary: [7.3/7.4 Regression] "info vec" and info "float" don't
                    work with AVX
           Product: gdb
           Version: 7.4
            Status: NEW
          Severity: normal
          Priority: P2
         Component: tdep
        AssignedTo: unassigned@sourceware.org
        ReportedBy: hjl.tools@gmail.com
    Classification: Unclassified


On Fedora 15/x86-64 with AVX support, gdb 7.3/7.4 give

GNU gdb (GDB) Fedora (7.3.1-47.fc15)
Copyright (C) 2011 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.  Type "show copying"
and "show warranty" for details.
This GDB was configured as "x86_64-redhat-linux-gnu".
For bug reporting instructions, please see:
<http://www.gnu.org/software/gdb/bugs/>...
Reading symbols from /export/home/hjl/bugs/gdb/vdso/64...done.
Setting up the environment for debugging gdb.
Function "internal_error" not defined.
Make breakpoint pending on future shared library load? (y or [n]) [answered N;
input not from terminal]
Function "info_command" not defined.
Make breakpoint pending on future shared library load? (y or [n]) [answered N;
input not from terminal]
.gdbinit:8: Error in sourced command file:
Argument required (one or more breakpoint numbers).
(gdb) b main
Breakpoint 1 at 0x4005a7: file sleepalot.c, line 12.
(gdb) r
Starting program: /export/home/hjl/bugs/gdb/vdso/64 

Breakpoint 1, main (argc=1, argv=0x7fffffffe3d8) at sleepalot.c:12
12       printf("I'm process %d\n", getpid());
Missing separate debuginfos, use: debuginfo-install glibc-2.14.1-6.1.x86_64
(gdb) info float
  R7: Empty   Register 31 is not available
(gdb) info vec
mxcsr          0x1f80    [ IM DM ZM OM UM PM ]
ymm0           *value not available*
ymm1           *value not available*
ymm2           *value not available*
ymm3           *value not available*
ymm4           *value not available*
ymm5           *value not available*
ymm6           *value not available*
ymm7           *value not available*
ymm8           *value not available*
ymm9           *value not available*
ymm10          *value not available*
ymm11          *value not available*
ymm12          *value not available*
ymm13          *value not available*
ymm14          *value not available*
ymm15          *value not available*
(gdb)

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