http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48366
Summary: [4.7 Regression] ICE in extract_constrain_insn_cached,
at recog.c:2024
Product: gcc
Version: 4.7.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: middle-end
AssignedTo: unassig...@gcc.gnu.org
ReportedBy: dang...@gcc.gnu.org
Host: hppa64-hp-hpux11.11
Target: hppa64-hp-hpux11.11
Build: hppa64-hp-hpux11.11
Executing on host: /test/gnu/gcc/objdir/gcc/xgcc -B/test/gnu/gcc/objdir/gcc/
-
O0 -w -c -o 20010518-1.o
/test/gnu/gcc/gcc/gcc/testsuite/gcc.c-torture/compile
/20010518-1.c (timeout = 300)
/test/gnu/gcc/gcc/gcc/testsuite/gcc.c-torture/compile/20010518-1.c: In function
'emit_reload_insns':
/test/gnu/gcc/gcc/gcc/testsuite/gcc.c-torture/compile/20010518-1.c:205:1:
error:
insn does not satisfy its constraints:
(insn 554 553 555 (set (reg:DI 1 %r1)
(reg:DI 50 %fr22 [285]))
/test/gnu/gcc/gcc/gcc/testsuite/gcc.c-torture/c
ompile/20010518-1.c:167 120 {*pa.md:4101}
(nil))
/test/gnu/gcc/gcc/gcc/testsuite/gcc.c-torture/compile/20010518-1.c:205:1:
intern
al compiler error: in extract_constrain_insn_cached, at recog.c:2024
Numerous other similar testsuite falls, all at -O0.
-bash-3.2$ ./xgcc -B./ -v
Reading specs from ./specs
COLLECT_GCC=./xgcc
COLLECT_LTO_WRAPPER=./lto-wrapper
Target: hppa64-hp-hpux11.11
Configured with: ../gcc/configure --with-gnu-as --with-as=/opt/gnu64/bin/as
--with-ld=/usr/ccs/bin/ld --enable-shared --with-local-prefix=/opt/gnu64
--prefix=/opt/gnu64/gcc/gcc-4.6.0 --build=hppa64-hp-hpux11.11
--enable-threads=posix --disable-nls --with-gmp=/opt/gnu64/gcc/gcc-4.6.0
--with-libelf=/opt/gnu64 --enable-languages=c,c++,objc,obj-c++,fortran,lto
Thread model: posix
gcc version 4.7.0 20110330 (experimental) [trunk revision 171715] (GCC)
Probably, has to do with change in handling of cover classes. It
is not possible to copy directly between GENERAL_REGS and FP_REGS
on PA.
