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Re: [PATCH] s390: performance fix for tc pipeline recycle on z10
- From: "Andreas Krebbel" <krebbel at linux dot vnet dot ibm dot com>
- To: Wolfgang Gellerich <gelleric at linux dot vnet dot ibm dot com>
- Cc: gcc-patches at gcc dot gnu dot org
- Date: Mon, 15 Dec 2008 15:28:13 +0100
- Subject: Re: [PATCH] s390: performance fix for tc pipeline recycle on z10
- References: <49428626.6020103@linux.vnet.ibm.com>
Hi Wolfgang,
> 2008-12-11 Wolfgang Gellerich <gellerich@de.ibm.com>
>
> * config/s390/s390.c (s390_swap_cmp): New function.
> (s390_non_addr_reg_read_p): New function.
> (s390_z10_optimize_cmp): New function.
> (s390_reorg): Added call to s390_optimize_cmp.
> * config/s390/s390.md (nop1): New insn.
Thanks!
I've applied your patch to mainline with a few minor changes.
E.g. I've removed several superfluous brackets in if conditions.
Bye,
-Andreas-