Bug 44721 - [4.6 regression] Failed to bootstrap (ICE in extract_insn, at recog.c:2127)
Summary: [4.6 regression] Failed to bootstrap (ICE in extract_insn, at recog.c:2127)
Status: RESOLVED FIXED
Alias: None
Product: gcc
Classification: Unclassified
Component: bootstrap (show other bugs)
Version: 4.6.0
: P3 normal
Target Milestone: 4.6.0
Assignee: Not yet assigned to anyone
URL:
Keywords: build, ice-on-valid-code
: 44723 (view as bug list)
Depends on:
Blocks:
 
Reported: 2010-06-30 02:10 UTC by H.J. Lu
Modified: 2010-06-30 10:16 UTC (History)
3 users (show)

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Description H.J. Lu 2010-06-30 02:10:27 UTC 
On Linux/x86-64, revision 161570:

http://gcc.gnu.org/ml/gcc-cvs/2010-06/msg01488.html

gave

../../src-trunk/gcc/coverage.c: In function \u2018htab_counts_entry_hash\u2019:
../../src-trunk/gcc/coverage.c:151:1: error: unrecognizable insn:
(insn 25 7 26 2 ../../src-trunk/gcc/coverage.c:150 (set (reg:DI 1 dx)
        (mem/s:SI (plus:DI (reg/v/f:DI 5 di [orig:64 of ] [64])
                (const_int 4 [0x4])) [15 entry_2->ctr+0 S4 A32])) -1 (nil))
../../src-trunk/gcc/coverage.c:151:1: internal compiler error: in extract_insn, at recog.c:2127
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.
make[6]: *** [coverage.o] Error 1
Comment 1 Joost VandeVondele 2010-06-30 07:14:11 UTC 
similar error compiling CP2K with rev 161570, (rev 161517 was still OK).

/data/vondele/gcc_bench/cp2k/makefiles/../src/qs_rho0_methods.F:850:0: error: unrecognizable insn:
(insn 6975 398 6976 13 /data/vondele/gcc_bench/cp2k/makefiles/../src/qs_rho0_methods.F:712 (set (reg:DI 1 dx)
        (mem/c/i:SI (plus:DI (reg/f:DI 7 sp)
                (const_int 4656 [0x1230])) [2 lmax_0+0 S4 A128])) -1 (nil))
/data/vondele/gcc_bench/cp2k/makefiles/../src/qs_rho0_methods.F:850:0: internal compiler error: in extract_insn, at recog.c:2127
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.
Comment 2 Richard Biener 2010-06-30 09:47:42 UTC 
Subject: Bug 44721

Author: rguenth
Date: Wed Jun 30 09:47:25 2010
New Revision: 161594

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=161594
Log:
2010-06-30  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/44721
	* config/i386/i386.md (peephole2 for arithmetic ops with memory):
	Fix last commit.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/config/i386/i386.md
Comment 3 Richard Biener 2010-06-30 10:15:42 UTC 
*** Bug 44723 has been marked as a duplicate of this bug. ***
Comment 4 Richard Biener 2010-06-30 10:16:05 UTC 
Fixed.