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From: "meissner at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug target/57052] missed optimization with rotate and mask
Date: Fri, 14 Mar 2014 19:36:00 -0000 [thread overview]
Message-ID: <bug-57052-4-lbYyj1VmT2@http.gcc.gnu.org/bugzilla/> (raw)
In-Reply-To: <bug-57052-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57052
--- Comment #2 from Michael Meissner <meissner at gcc dot gnu.org> ---
Author: meissner
Date: Fri Mar 14 19:36:18 2014
New Revision: 208574
URL: http://gcc.gnu.org/viewcvs?rev=208574&root=gcc&view=rev
Log:
2014-03-12 Michael Meissner <meissner@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.
Modified:
branches/ibm/gcc-4_8-branch/gcc/ChangeLog.ibm
branches/ibm/gcc-4_8-branch/gcc/config/rs6000/linux64.h
branches/ibm/gcc-4_8-branch/gcc/config/rs6000/rs6000-protos.h
branches/ibm/gcc-4_8-branch/gcc/config/rs6000/rs6000.c
branches/ibm/gcc-4_8-branch/gcc/config/rs6000/rs6000.h
branches/ibm/gcc-4_8-branch/gcc/config/rs6000/rs6000.md
next prev parent reply other threads:[~2014-03-14 19:36 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-04-24 0:00 [Bug target/57052] New: " amodra at gmail dot com
2013-04-24 9:13 ` [Bug target/57052] " amodra at gmail dot com
2013-04-25 7:57 ` amodra at gmail dot com
2014-03-14 19:36 ` meissner at gcc dot gnu.org [this message]
2014-04-04 15:11 ` wschmidt at gcc dot gnu.org
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