With current GCC CVS (4.0.0 20050122) I get the following ICE compiling glibc:
/opt/gcc/4.0-devel/libexec/gcc/x86_64-suse-linux-gnu/4.0.0/cc1 -fpreprocessed
s_fma2.i -quiet -dumpbase s_fma.c -mtune=k8-auxbase-strip /tmp/s_fma.o -g -O2
-Wall -Winline -Wno-pointer-sign -Wstrict-prototypes -Wwrite-strings
-Wno-uninitialized -std=gnu99 -version -o s_fma.s
GNU C version 4.0.0 20050122 (experimental) (x86_64-suse-linux-gnu)
compiled by GNU C version 4.0.0 20050122 (experimental).
GGC heuristics: --param ggc-min-expand=30 --param ggc-min-heapsize=4096
s_fma2.i: In function ?__fma?:
s_fma2.i:123: error: insn does not satisfy its constraints:
(insn 268 84 86 7 s_fma2.i:5 (set (reg/v:DI 21 xmm0 [orig:79 _bitsy ] [79])
(const_int 2310346608841064448 [0x2010000000000000])) 81
{*movdi_1_rex64} (nil)
(nil))
s_fma2.i:123: internal compiler error: in reload_cse_simplify_operands, at
postreload.c:391
Please submit a full bug report,
with preprocessed source if appropriate.
See <URL:http://gcc.gnu.org/bugs.html> for instructions.
--
Summary: ICE: insn does not satisfy its constraints
Product: gcc
Version: 4.0.0
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: target
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: aj at gcc dot gnu dot org
CC: gcc-bugs at gcc dot gnu dot org
GCC build triplet: x86_64-linux-gnu
GCC host triplet: x86_64-linux-gnu
GCC target triplet: x86_64-linux-gnu
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=19584
