$gcc -Wall -O1 -g -fno-strict-aliasing -mpreferred-stack-boundary=2
-fomit-frame-pointer -falign-functions=0 -fno-gcse -fno-reorder-blocks
-fno-optimize-sibling-calls -I. -I..
-I/usr/src/ark/BUILD/qemu-0.9.0/target-i386 -I/usr/src/ark/BUILD/qemu-0.9.0
-I/usr/src/ark/BUILD/qemu-0.9.0/linux-user
-I/usr/src/ark/BUILD/qemu-0.9.0/linux-user/i386 -D_GNU_SOURCE
-D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -I/usr/src/ark/BUILD/qemu-0.9.0/fpu
-DHAS_AUDIO -I/usr/src/ark/BUILD/qemu-0.9.0/slirp -c -o op.o
/usr/src/ark/BUILD/qemu-0.9.0/target-i386/op.c
/usr/src/ark/BUILD/qemu-0.9.0/target-i386/ops_sse.h: In function
'op_pshufw_mmx':
/usr/src/ark/BUILD/qemu-0.9.0/target-i386/ops_sse.h:593: error: unable to find
a register to spill in class 'GENERAL_REGS'
/usr/src/ark/BUILD/qemu-0.9.0/target-i386/ops_sse.h:593: error: this is the
insn:
(insn 16 15 17 2 /usr/src/ark/BUILD/qemu-0.9.0/target-i386/ops_sse.h:588 (set
(strict_low_part (subreg:HI (reg/v:DI 63 [ r ]) 0))
(mem/s/j:HI (plus:SI (mult:SI (reg:SI 64)
(const_int 2 [0x2]))
(reg/v/f:SI 59 [ s ])) [0 <variable>._w S2 A16])) 40
{*movstricthi_1} (insn_list:REG_DEP_TRUE 52 (insn_list:REG_DEP_TRUE 11
(insn_list:REG_DEP_TRUE 15 (nil))))
(expr_list:REG_DEAD (reg:SI 64)
(nil)))
/usr/src/ark/BUILD/qemu-0.9.0/target-i386/ops_sse.h:593: confused by earlier
errors, bailing out
The same code compiles ok with -O0
--
Summary: ICE while compiling qemu 0.9.0 with -O1 or higher
Product: gcc
Version: 4.2.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: middle-end
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: bero at arklinux dot org
GCC build triplet: i586-pc-linux-gnu
GCC host triplet: i586-pc-linux-gnu
GCC target triplet: i586-pc-linux-gnu
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=31753
