Dead store elimination patch for switch statements

[Joern Rennecke]

In article < 199910270422.OAA01206@gluttony.geoffk.wattle.id.au > you wrote:

: The real fix is to treat switch tables in the same way as other
: constants, for instance CONST_DOUBLE, and have them explicitly inside
: the jump instruction and emitted to the constant pool in the usual
: way.

Some architectures don't allow the ADDR_(DIFF_)VEC to be placed arbitrarily.