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Re: [4.8, PATCH 26/26] Backport Power8 and LE support: Missing support
- 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 10:45:45 -0400
- Subject: Re: [4.8, PATCH 26/26] Backport Power8 and LE support: Missing support
- Authentication-results: sourceware.org; auth=none
- References: <1395257703 dot 17148 dot 28 dot camel at gnopaine>
On Wed, Mar 19, 2014 at 3:35 PM, Bill Schmidt
<wschmidt@linux.vnet.ibm.com> wrote:
> Hi,
>
> This patch (diff-trunk-missing) backports some LE pieces that were found
> not to have been backported from trunk to the IBM 4.8 branch until
> relatively recently.
>
> Thanks,
> Bill
>
>
> 2014-03-19 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
>
> Back port from trunk
> 2013-04-25 Alan Modra <amodra@gmail.com>
>
> PR target/57052
> * config/rs6000/rs6000.md (rotlsi3_internal7): Rename to
> rotlsi3_internal7le and condition on !BYTES_BIG_ENDIAN.
> (rotlsi3_internal8be): New BYTES_BIG_ENDIAN insn.
> Repeat for many other rotate/shift and mask patterns using subregs.
> Name lshiftrt insns.
> (ashrdisi3_noppc64): Rename to ashrdisi3_noppc64be and condition
> on WORDS_BIG_ENDIAN.
>
> 2013-06-07 Alan Modra <amodra@gmail.com>
>
> * config/rs6000/rs6000.c (rs6000_option_override_internal): Don't
> override user -mfp-in-toc.
> (offsettable_ok_by_alignment): Consider just the current access
> rather than the whole object, unless BLKmode. Handle
> CONSTANT_POOL_ADDRESS_P constants that lack a decl too.
> (use_toc_relative_ref): Allow CONSTANT_POOL_ADDRESS_P constants
> for -mcmodel=medium.
> * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Don't
> override user -mfp-in-toc or -msum-in-toc. Default to
> -mno-fp-in-toc for -mcmodel=medium.
>
> 2013-06-18 Alan Modra <amodra@gmail.com>
>
> * config/rs6000/rs6000.h (enum data_align): New.
> (LOCAL_ALIGNMENT, DATA_ALIGNMENT): Use rs6000_data_alignment.
> (DATA_ABI_ALIGNMENT): Define.
> (CONSTANT_ALIGNMENT): Correct comment.
> * config/rs6000/rs6000-protos.h (rs6000_data_alignment): Declare.
> * config/rs6000/rs6000.c (rs6000_data_alignment): New function.
>
> 2013-07-11 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
>
> * config/rs6000/rs6000.md (""*tls_gd_low<TLSmode:tls_abi_suffix>"):
> Require GOT register as additional operand in UNSPEC.
> ("*tls_ld_low<TLSmode:tls_abi_suffix>"): Likewise.
> ("*tls_got_dtprel_low<TLSmode:tls_abi_suffix>"): Likewise.
> ("*tls_got_tprel_low<TLSmode:tls_abi_suffix>"): Likewise.
> ("*tls_gd<TLSmode:tls_abi_suffix>"): Update splitter.
> ("*tls_ld<TLSmode:tls_abi_suffix>"): Likewise.
> ("tls_got_dtprel_<TLSmode:tls_abi_suffix>"): Likewise.
> ("tls_got_tprel_<TLSmode:tls_abi_suffix>"): Likewise.
>
> 2014-01-23 Pat Haugen <pthaugen@us.ibm.com>
>
> * config/rs6000/rs6000.c (rs6000_option_override_internal): Don't
> force flag_ira_loop_pressure if set via command line.
>
> 2014-02-06 Alan Modra <amodra@gmail.com>
>
> PR target/60032
> * config/rs6000/rs6000.c (rs6000_secondary_memory_needed_mode): Only
> change SDmode to DDmode when lra_in_progress.
Okay.
Thanks, David