Re: [lra] a patch to fix ppc bootstrap failure

[Vladimir Makarov <vmakarov at redhat dot com>]

On 12-12-05 5:51 PM, Michael Meissner wrote:
> This is the file that causes the boostrap to fail if --enable-decimal-float is
> used as a configuration option on the LRA branch.  You need to compile this in
> 32-bit mode with either -mcpu=power7, -mcpu=power6, or -mhard-dfp to enable the
> decimal instructions.  I used -m32 -O2 -O3 -mcpu=power6.
I managed to reproduce it.  I'll look at this tomorrow.
Thanks, Mike.
> The error message is:
>
> /home/meissner/fsf-src/lra/libgcc/dfp-bit.c:248:1: error: unrecognizable insn:
>   }
>   ^
> (insn 291 25 289 2 (set (reg:DD 199)
>          (subreg:DD (reg:SD 33 1 [ arg_a ]) 0)) /home/meissner/fsf-src/lra/libgcc/dfp-bit.c:104 -1
>       (expr_list:REG_DEAD (reg:DI 33 1)
>          (nil)))