http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51974
Bug #: 51974
Summary: GCC fails to bootstrap with --enable-checking=release
on opensuse
Classification: Unclassified
Product: gcc
Version: 4.7.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: bootstrap
AssignedTo: unassig...@gcc.gnu.org
ReportedBy: ne...@intrepid.com
Host: Opensuse 12.1 x86_64
Target: x86_64-unknown-linux-gnu
I tried to build the latest trunk (183442) with --enable-checking=release on
the Opensuse 12.1 x86_64 host. Checking between stage2 and stage3 fails.
Bootstrap comparison failure!
gcc/tree-ssa-dom.o differs
gcc/tree-ssa-structalias.o differs
gcc/final.o differs
gcc/combine.o differs
gcc/reload1.o differs
gcc/tree-ssa-ccp.o differs
gcc/tree-ssa.o differs
This version passes on Fedora Core 15 x86_64. Anyone seen this? I am seeing the
following differences:
reload1.o:stage2
30b4: 0f 1f 40 00 nopl 0x0(%rax)
30b8: 41 8b 57 08 mov 0x8(%r15),%edx
30bc: 83 c2 7d add $0x7d,%edx
30bf: e9 7c fe ff ff jmpq 2f40
<_ZL16free_for_value_pi12machine_modei11reload_typeP7rtx_defS2_ii+0x1c0>
b0d4: 0f 1f 40 00 nopl 0x0(%rax)
b0d8: 48 63 f6 movslq %esi,%rsi
b0db: 48 29 70 18 sub %rsi,0x18(%rax)
b0df: e9 3c fe ff ff jmpq af20
<_ZL19elimination_effectsP7rtx_def12machine_mode+0xe0>
reload1.o:stage3
30c8: 41 8b 57 08 mov 0x8(%r15),%edx
30cc: 83 c2 7d add $0x7d,%edx
30cf: e9 7c fe ff ff jmpq 2f50
<_ZL16free_for_value_pi12machine_modei11reload_typeP7rtx_defS2_ii+0x1c0>
30d4: 0f 1f 40 00 nopl 0x0(%rax)
b0e8: 48 63 f6 movslq %esi,%rsi
b0eb: 48 29 70 18 sub %rsi,0x18(%rax)
b0ef: e9 3c fe ff ff jmpq af30
<_ZL19elimination_effectsP7rtx_def12machine_mode+0xe0>
b0f4: 0f 1f 40 00 nopl 0x0(%rax)
