------- Additional Comments From berndtrog at yahoo dot com 2005-04-30 17:41
-------
I can confirm this bug for 4_0 and head (using -Os).
Note:
gcc-head-2004-12-07 compiles usart.i OK.
gcc-head-2004-12-29 fails with:
usart.c: In function 'UsartIOCtl':
usart.c:821: error: unable to find a register to spill in class
'BASE_POINTER_REGS'
usart.c:821: error: this is the insn:
(insn 653 159 160 14 (set (mem:HI (plus:HI (reg/f:HI 28 r28)
(const_int 1 [0x1])) [32 S2 A8])
(reg:HI 24 r24)) 12 {*movhi} (nil)
(nil))
usart.c:821: internal compiler error: in spill_failure, at reload1.c:1873
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=19636
