Unrecognizable insn

[Shinpei Kato]

For your information, there is a greg dump file.
Could you guess anything from it?

Regards,
Shinpei

error message:
***********************************************************************
../../../../../gcc-3.4.0/newlib/libc/stdlib/erand48.c: In function `_erand48_r':../../../../../gcc-3.4.0/newlib/libc/stdlib/erand48.c:25: error: unrecognizable insn:
(insn 94 35 36 0 ../../../../../gcc-3.4.0/newlib/libc/stdlib/erand48.c:22 (set (subreg:HI (reg:SI 32 $f0) 2)
        (mem:HI (reg/v/f:SI 17 $17 [orig:175 xseed ] [175]) [5 S2 A16])) -1 (nil)
    (nil))
***********************************************************************

erand48.c.25.greg:
***********************************************************************
;; Function _erand48_r

;; 0 regs to allocate:
;; 174 conflicts: 174 175 4 5 17 28 29
;; 175 conflicts: 174 175 180 187 191 2 3 4 5 6 17 28 29 31 32 33 34 37 38
;; 176 conflicts: 176 28 29 31 37 38
;; 180 conflicts: 175 180 187 2 3 6 17 28 29 31 32 33 34 37 38
;; 187 conflicts: 175 180 187 17 28 29 32 33 37 38
;; 191 conflicts: 175 191 195 2 3 6 17 28 29 31 32 33 34 37 38
;; 195 conflicts: 191 195 28 29 31 32 33 37 38

Spilling for insn 36.
Using reg 32 for reload 0
Spilling for insn 54.
Using reg 32 for reload 0
Spilling for insn 73.
Using reg 32 for reload 0

Reloads for insn # 36
Reload 0: reload_in (SI) = (subreg:SI (mem:HI (reg/v/f:SI 17 $17 [orig:175 xseed ] [175]) [5 S2 A16]) 0)
	FP_REGS, RELOAD_FOR_INPUT (opnum = 1)
	reload_in_reg: (subreg:SI (mem:HI (reg/v/f:SI 17 $17 [orig:175 xseed ] [175]) [5 S2 A16]) 0)
	reload_reg_rtx: (reg:SI 32 $f0)

Reloads for insn # 54
Reload 0: reload_in (SI) = (subreg:SI (mem:HI (plus:SI (reg/v/f:SI 17 $17 [orig:175 xseed ] [175])
                                                            (const_int 2 [0x2])) [5 S2 A16]) 0)
	FP_REGS, RELOAD_FOR_INPUT (opnum = 1)
	reload_in_reg: (subreg:SI (mem:HI (plus:SI (reg/v/f:SI 17 $17 [orig:175 xseed ] [175])
                                                            (const_int 2 [0x2])) [5 S2 A16]) 0)
	reload_reg_rtx: (reg:SI 32 $f0)

Reloads for insn # 73
Reload 0: reload_in (SI) = (subreg:SI (mem:HI (plus:SI (reg/v/f:SI 17 $17 [orig:175 xseed ] [175])
                                                            (const_int 4 [0x4])) [5 S2 A16]) 0)
	FP_REGS, RELOAD_FOR_INPUT (opnum = 1)
	reload_in_reg: (subreg:SI (mem:HI (plus:SI (reg/v/f:SI 17 $17 [orig:175 xseed ] [175])
                                                            (const_int 4 [0x4])) [5 S2 A16]) 0)
	reload_reg_rtx: (reg:SI 32 $f0)
***********************************************************************