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From: "gjl at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug target/52461] [avr] XMEGA+EBI: RAMPZ clobbered while reading from flash
Date: Wed, 21 Mar 2012 13:24:00 -0000	[thread overview]
Message-ID: <bug-52461-4-KhAvB0KkA1@http.gcc.gnu.org/bugzilla/> (raw)
In-Reply-To: <bug-52461-4@http.gcc.gnu.org/bugzilla/>

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52461

--- Comment #9 from Georg-Johann Lay <gjl at gcc dot gnu.org> 2012-03-21 13:20:25 UTC ---
Author: gjl
Date: Wed Mar 21 13:20:20 2012
New Revision: 185605

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=185605
Log:
    PR rtl-optimization/52543
    PR target/52461
    * config/avr/avr-protos.h (avr_load_lpm): New prototype.
    * config/avr/avr.c (avr_mode_dependent_address_p): New function.
    (TARGET_MODE_DEPENDENT_ADDRESS_P): New define.
    (avr_load_libgcc_p): Restrict to __flash loads.
    (avr_out_lpm): Only handle 1-byte loads from __flash.
    (avr_load_lpm): New function.
    (avr_find_unused_d_reg): Remove.
    (avr_out_lpm_no_lpmx): Remove.
    (adjust_insn_length): Handle ADJUST_LEN_LOAD_LPM.
    * config/avr/avr.md (unspec): Add UNSPEC_LPM.
    (load_<mode>_libgcc): Use UNSPEC_LPM instead of MEM.
    (load_<mode>, load_<mode>_clobber): New insns.
    (mov<mode>): For multi-byte move from non-generic
    16-bit address spaces: Expand to load_<mode> resp.
    load_<mode>_clobber.
    (load<mode>_libgcc): Remove expander.
    (split-lpmx): Remove split.


Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/config/avr/avr-protos.h
    trunk/gcc/config/avr/avr.c
    trunk/gcc/config/avr/avr.md


  parent reply	other threads:[~2012-03-21 13:22 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-03-02 12:19 [Bug target/52461] New: " gjl at gcc dot gnu.org
2012-03-02 12:23 ` [Bug target/52461] " gjl at gcc dot gnu.org
2012-03-02 12:31 ` gjl at gcc dot gnu.org
2012-03-03 14:13 ` gjl at gcc dot gnu.org
2012-03-06  7:55 ` saturn at quantentunnel dot de
2012-03-06 12:43 ` gjl at gcc dot gnu.org
2012-03-06 12:46 ` gjl at gcc dot gnu.org
2012-03-07 10:14 ` saturn at quantentunnel dot de
2012-03-07 10:34 ` gjl at gcc dot gnu.org
2012-03-07 11:08 ` fbi.sr at gmx dot de
2012-03-07 12:35 ` gjl at gcc dot gnu.org
2012-03-21 13:24 ` gjl at gcc dot gnu.org [this message]
2012-03-22 15:14 ` gjl at gcc dot gnu.org
2012-03-22 15:55 ` gjl at gcc dot gnu.org

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