This testsuite failure can be reproduced for both x86_64 and i686 with -msse2:
FAIL: gcc.c-torture/execute/simd-1.c compilation, -O0
UNRESOLVED: gcc.c-torture/execute/simd-1.c execution, -O0
FAIL: gcc.c-torture/execute/simd-1.c compilation, -O1
UNRESOLVED: gcc.c-torture/execute/simd-1.c execution, -O1
FAIL: gcc.c-torture/execute/simd-1.c compilation, -O2
UNRESOLVED: gcc.c-torture/execute/simd-1.c execution, -O2
FAIL: gcc.c-torture/execute/simd-1.c compilation, -O3 -fomit-frame-pointer
UNRESOLVED: gcc.c-torture/execute/simd-1.c execution, -O3 -fomit-frame-pointer
FAIL: gcc.c-torture/execute/simd-1.c compilation, -O3 -g
UNRESOLVED: gcc.c-torture/execute/simd-1.c execution, -O3 -g
FAIL: gcc.c-torture/execute/simd-1.c compilation, -Os
UNRESOLVED: gcc.c-torture/execute/simd-1.c execution, -Os
simd-1.c:74: error: unrecognizable insn:
(insn 47 46 48 0 (set (reg:SI 78 [ D.1529 ])
(vec_select:SI (reg:V4SI 154)
(parallel [
(const_int 1 [0x1])
]))) -1 (nil)
(expr_list:REG_DEAD (reg:V4SI 154)
(nil)))
simd-1.c:74: internal compiler error: in extract_insn, at recog.c:2020
However, on i686 with -msse, the error is different:
simd-1.c:74: error: unrecognizable insn:
(insn 24 23 25 0 (set (reg:V4SF 218)
(vec_select:V4SF (vec_concat:V8SF (subreg:V4SF (reg:V4SI 207 [ i.0 ]) 0)
(subreg:V4SF (reg:V4SI 207 [ i.0 ]) 0))
(parallel [
(const_int 1 [0x1])
(const_int 1 [0x1])
(const_int 1 [0x1])
(const_int 1 [0x1])
]))) -1 (nil)
(nil))
simd-1.c:74: internal compiler error: in extract_insn, at recog.c:2020
--
Summary: gcc.c-torture/execute/simd-1.c compilation fails for
x64_86 and i686 with -msse2
Product: gcc
Version: 4.0.0
Status: UNCONFIRMED
Keywords: ssemmx
Severity: normal
Priority: P2
Component: target
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: uros at kss-loka dot si
CC: gcc-bugs at gcc dot gnu dot org
GCC host triplet: i686-*, x86_64-*
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=19427
