[Bug rtl-optimization/26945] New: [3.4/4.0/4.1 regression] Attempt to delete prologue/epilogue insn
tausq at debian dot org
gcc-bugzilla@gcc.gnu.org
Thu Mar 30 16:27:00 GMT 2006
Compile attached test case with optimization causes an ICE:
$ gcc -c -O1 bug.c
bug.c: In function 'parsearguments':
bug.c:46: error: Attempt to delete prologue/epilogue insn:
(insn/f 97 96 98 0 (set (mem:SI (plus:SI (reg/f:SI 30 %r30)
(const_int -124 [0xffffff84])) [0 S4 A32])
(reg:SI 4 %r4)) -1 (nil)
(nil))
bug.c:46: internal compiler error: in propagate_one_insn, at flow.c:1690
Please submit a full bug report,
with preprocessed source if appropriate.
See <URL:http://gcc.gnu.org/bugs.html> for instructions.
For Debian GNU/Linux specific bug reporting instructions,
see <URL:file:///usr/share/doc/gcc-4.0/README.Bugs>.
This may be related to PR12535 but the code that triggers the problem is
different.
--
Summary: [3.4/4.0/4.1 regression] Attempt to delete
prologue/epilogue insn
Product: gcc
Version: 4.0.3
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: rtl-optimization
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: tausq at debian dot org
GCC build triplet: hppa-unknown-linux
GCC host triplet: hppa-unknown-linux
GCC target triplet: hppa-unknown-linux
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=26945
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