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Re: [4.8, PATCH 23/26] Backport Power8 and LE support: PR60137, PR60203


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


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