optimization/10315: [3.2/3.3 regression] [powerpc] ICE: in extract_insn, at recog.c:2175

[Geoff Keating]

> Cc: Steven Bosscher <s.bosscher@student.tudelft.nl>, gcc-gnats@gcc.gnu.org,
>    gcc-bugs@gcc.gnu.org, adconrad@0c3.net, 186299@bugs.debian.org
> Date: Tue, 22 Apr 2003 23:14:37 -0400
> From: David Edelsohn <dje@watson.ibm.com>
> X-OriginalArrivalTime: 23 Apr 2003 03:14:43.0793 (UTC) FILETIME=[7C849410:01C30946]
> 
> 	The problem is easy_fp_constant():
> 
>   /* If we are using V.4 style PIC, consider all constants to be hard.  */
>   if (flag_pic && DEFAULT_ABI == ABI_V4)
>     return 0;
> 
> This means that "input_operand" predicate fails for movdf_hardfloat32 when
> presented with const_double:DF.  I'm not sure what's suppose to save us at
> that point.

In that case, the RTL should never have been generated...

-- 
- Geoffrey Keating <geoffk@geoffk.org>