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Re: [4.8, PATCH 23/26] Backport Power8 and LE support: PR60137, PR60203
- From: David Edelsohn <dje dot gcc at gmail dot com>
- To: Bill Schmidt <wschmidt at linux dot vnet dot ibm dot com>
- Cc: GCC Patches <gcc-patches at gcc dot gnu dot org>
- Date: Thu, 3 Apr 2014 10:44:04 -0400
- Subject: Re: [4.8, PATCH 23/26] Backport Power8 and LE support: PR60137, PR60203
- Authentication-results: sourceware.org; auth=none
- References: <1395257669 dot 17148 dot 25 dot camel at gnopaine>
On Wed, Mar 19, 2014 at 3:34 PM, Bill Schmidt
<wschmidt@linux.vnet.ibm.com> wrote:
> Hi,
>
> This patch (diff-pr60137-pr60203) backports fixes for two little-endian
> vector mode problems.
>
> Thanks,
> Bill
>
>
> [gcc]
>
> 2014-03-19 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
>
> Backport from mainline r207699.
> 2014-02-11 Michael Meissner <meissner@linux.vnet.ibm.com>
>
> PR target/60137
> * config/rs6000/rs6000.md (128-bit GPR splitter): Add a splitter
> for VSX/Altivec vectors that land in GPR registers.
>
> Backport from mainline r207808.
> 2014-02-15 Michael Meissner <meissner@linux.vnet.ibm.com>
>
> PR target/60203
> * config/rs6000/rs6000.md (rreg): Add TFmode, TDmode constraints.
> (mov<mode>_internal, TFmode/TDmode): Split TFmode/TDmode moves
> into 64-bit and 32-bit moves. On 64-bit moves, add support for
> using direct move instructions on ISA 2.07. Also adjust
> instruction length for 64-bit.
> (mov<mode>_64bit, TFmode/TDmode): Likewise.
> (mov<mode>_32bit, TFmode/TDmode): Likewise.
>
> Backport from mainline r207868.
> 2014-02-18 Michael Meissner <meissner@linux.vnet.ibm.com>
>
> PR target/60203
> * config/rs6000/rs6000.md (mov<mode>_64bit, TF/TDmode moves):
> Split 64-bit moves into 2 patterns. Do not allow the use of
> direct move for TDmode in little endian, since the decimal value
> has little endian bytes within a word, but the 64-bit pieces are
> ordered in a big endian fashion, and normal subreg's of TDmode are
> not allowed.
> (mov<mode>_64bit_dm): Likewise.
> (movtd_64bit_nodm): Likewise.
>
> [gcc/testsuite]
>
> 2014-03-19 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
>
> Backport from mainline r207699.
> 2014-02-11 Michael Meissner <meissner@linux.vnet.ibm.com>
>
> PR target/60137
> * gcc.target/powerpc/pr60137.c: New file.
>
> Backport from mainline r207808.
> 2014-02-15 Michael Meissner <meissner@linux.vnet.ibm.com>
>
> PR target/60203
> * gcc.target/powerpc/pr60203.c: New testsuite.
Okay.
Thanks, David