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Re: [patch] Add TST to RX

From: Paolo Bonzini <bonzini at gnu dot org>
To: kazuhiro inaoka <kazuhiro dot inaoka dot ud at renesas dot com>
Cc: DJ Delorie <dj at redhat dot com>, gcc-patches at gcc dot gnu dot org, Nick Clifton <nickc at redhat dot com>
Date: Thu, 15 Jul 2010 13:41:51 +0200
Subject: Re: [patch] Add TST to RX
References: <201007140217.o6E2Hp4w001032@greed.delorie.com> <4C3EDA70.3000609@renesas.com>

On 07/15/2010 11:52 AM, kazuhiro inaoka wrote:


rx-elf-gcc -S -O1 pr32482.c
pr32482.c: In function 'drain_cpu_caches':
pr32482.c:23:1: internal compiler error: in reverse_condition, at
jump.c:477
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.

rx-elf-gcc -S -O3 shft.c
shft.c: In function 'foo':
shft.c:9:1: internal compiler error: in swap_condition, at jump.c:566
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.

If these are (as it is likely) called with a ZERO_EXTRACT argument, this shows again that the pattern are wrong and that the real bug lies wherever (if_then_else (zero_extract)) is generated by combine.

Paolo

References:
- [patch] Add TST to RX
  - From: DJ Delorie
- Re: [patch] Add TST to RX
  - From: kazuhiro inaoka

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