From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 2909 invoked by alias); 22 Mar 2012 15:16:47 -0000 Received: (qmail 2866 invoked by uid 22791); 22 Mar 2012 15:16:44 -0000 X-SWARE-Spam-Status: No, hits=-2.8 required=5.0 tests=ALL_TRUSTED,AWL,BAYES_00,TW_GJ X-Spam-Check-By: sourceware.org Received: from localhost (HELO gcc.gnu.org) (127.0.0.1) by sourceware.org (qpsmtpd/0.43rc1) with ESMTP; Thu, 22 Mar 2012 15:16:29 +0000 From: "gjl at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug rtl-optimization/52148] [4.7 regression] ICE: in spill_failure, at reload1.c:2120 Date: Thu, 22 Mar 2012 15:17:00 -0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: rtl-optimization X-Bugzilla-Keywords: FIXME, ice-on-valid-code X-Bugzilla-Severity: normal X-Bugzilla-Who: gjl at gcc dot gnu.org X-Bugzilla-Status: RESOLVED X-Bugzilla-Priority: P4 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: 4.7.0 X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/ Auto-Submitted: auto-generated Content-Type: text/plain; charset="UTF-8" MIME-Version: 1.0 Mailing-List: contact gcc-bugs-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Id: List-Archive: List-Post: List-Help: Sender: gcc-bugs-owner@gcc.gnu.org X-SW-Source: 2012-03/txt/msg01919.txt.bz2 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52148 --- Comment #6 from Georg-Johann Lay 2012-03-22 15:07:33 UTC --- Author: gjl Date: Thu Mar 22 15:06:57 2012 New Revision: 185697 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=185697 Log: libgcc/ Backport from 2012-03-07 mainline r185033. PR target/52507 * config/avr/lib1funcs.S (__movmemx_hi): Fix loop label in RAM-part. Backport from 2012-03-07 mainline r185031. PR target/52505 * config/avr/lib1funcs.S (__xload_1): Don't read unintentionally from RAM. Backport from 2012-03-07 mainline r185030. PR target/52461 PR target/52508 * config/avr/lib1funcs.S (__do_copy_data): Clear RAMPZ after usage if RAMPZ affects reading from RAM. (__tablejump_elpm__): Ditto. (.xload): Ditto. (__movmemx_hi): Ditto. (__do_global_ctors): Right condition for RAMPZ usage is "have ELPM". (__do_global_dtors): Ditto. (__xload_1, __xload_2, __xload_3, __xload_4): Ditto. (__movmemx_hi): Ditto. gcc/ Backport from 2012-03-22 mainline r185692. PR target/52496 * config/avr/avr.md (unspec): Remove UNSPEC_MEMORY_BARRIER. (unspecv): Add UNSPECV_MEMORY_BARRIER. (cli_sei): Use unspec_volatile instead of unspec for memory barrier. (delay_cycles_1, delay_cycles_2): Ditto. (delay_cycles_3, delay_cycles_4): Ditto. (nopv, *nopv): Ditto. (sleep, *sleep): Ditto. (wdr, *wdr): Ditto. Backport from 2012-03-21 mainline r185605. 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__libgcc): Use UNSPEC_LPM instead of MEM. (load_, load__clobber): New insns. (mov): For multi-byte move from non-generic 16-bit address spaces: Expand to load_ resp. load__clobber. (load_libgcc): Remove expander. (split-lpmx): Remove split. Backport from 2012-03-13 mainline r185329. PR target/52488 * config/avr/avr.c (avr_prologue_setup_frame): Cut down stack offset (size) to a value the insns can deal with. (expand_epilogue): Ditto. Backport from 2012-03-12 mainline r185256. PR target/52499 * config/avr/avr.c (avr_mode_code_base_reg_class): Change return type from reg_class_t to enum reg_class. * config/avr/avr-protos.h (avr_mode_code_base_reg_class): Ditto. Backport from 2012-03-12 mainline r185253. PR target/52148 * config/avr/avr.c (avr_out_movmem): Fix typo in output template for the case ADDR_SPACE_FLASH and AVR_HAVE_LPMX introduced in r184615 from 2012-02-28. Backport from 2012-03-08 mainline r185105. * config/avr/avr.md (*addhi3, addhi3_clobber): Add "w" alternative for constants in [-63,63]. Backport from 2012-03-08 mainline r185100. PR target/52496 * config/avr/avr.c (avr_mem_clobber): New static function. (avr_expand_delay_cycles): Add memory clobber operand to delay_cycles_1, delay_cycles_2, delay_cycles_3, delay_cycles_4. * config/avr/avr.md (unspec): Add UNSPEC_MEMORY_BARRIER. (enable_interrupt, disable_interrupt): New expander. (nopv, sleep, wdr): New expanders. (delay_cycles_1): Add memory clobber. (delay_cycles_2): Add memory clobber. (delay_cycles_3): Add memory clobber. (delay_cycles_4): Add memory clobber. (cli_sei): New insn from former "enable_interrupt", "disable_interrupt" with memory clobber. (*wdt): New insn from former "wdt" with memory clobber. (*nopv): Similar, but for "nopv". (*sleep): Similar, but for "sleep". Backport from 2012-03-07 mainline r185043. PR target/52484 * config/avr/avr.md (xload_A): Add R22... to register footprint. Backport from 2012-03-07 mainline r185032. PR target/52506 * gcc/config/avr/avr.c (expand_epilogue): Fix order of restoration to: RAMPZ, RAMPY, RAMPX, RAMPD. (expand_prologue): Only clear RAMPZ if it has effect on RAM-read. Backport from 2012-03-07 mainline r185031. PR target/52505 * config/avr/avr.c (avr_out_xload): Don't read unintentionally from RAM. * config/avr/avr.md (xload_8): Adjust insn length. Backport from 2012-03-07 mainline r185030. PR target/52461 * gcc/config/avr/avr.c (avr_out_lpm): Clear RAMPZ after usage if RAMPZ affects reading from RAM. Backport from 2012-03-05 mainline r184919. * config/avr/avr.md (*umaddqihi4.2): New insn-and-split. Modified: branches/gcc-4_7-branch/gcc/ChangeLog branches/gcc-4_7-branch/gcc/config/avr/avr-protos.h branches/gcc-4_7-branch/gcc/config/avr/avr.c branches/gcc-4_7-branch/gcc/config/avr/avr.md branches/gcc-4_7-branch/libgcc/ChangeLog branches/gcc-4_7-branch/libgcc/config/avr/lib1funcs.S