Bootstrap failure on ia64

[David Edelsohn]

>>>>> Roger Sayle writes:

Roger> Sorry for the inconvenience.  I'm looking into it.  But any help
Roger> that you can provide would be very much appreciated.  For example,
Roger> a preprocessed source file (privately?) or what the value of mode
Roger> is in the failing trunc_int_for_mode or a stack trace.

Roger> Sorry I can't provide an immediate fix.  From my understanding of it
Roger> the code looks good and is an improvement on what was there before.
Roger> I'll try my best to reproduce this on ia64-hp-hpux11.22, but the
Roger> very different handling of Pmode vs. ptr_mode on HPUX may mask the
Roger> problem.

	FYI, I receive the same error on PowerPC in the testsuite,
although the compiler does bootstrap.  If not for the G++ bootstrap
failure, you would have received this feedback much earlier.

/gcc/dje/src/gcc/testsuite/gcc.c-torture/compile/20030518-1.c:7: internal compiler error: in trunc_int_for_mode, at explow.c:56

/gcc/dje/src/gcc/testsuite/gcc.c-torture/execute/builtins/string-4.c:62: internal compiler error: in trunc_int_for_mode, at explow.c:56

David