regclass.c (call_really_used_regs): New array for registers which are actually used by a call.
2001-08-01 Andrew MacLeod <amacleod@redhat.com>
* regclass.c (call_really_used_regs): New array for registers which
are actually used by a call.
(init_reg_sets_1): Initialize regs_invalidated_by_call with the
new array.
(fix_register): Set call_really_used too.
* config/ia64/ia64.h (CALL_REALLY_USED_REGISTERS): Initialize.
* doc/tm.texi (CALL_REALLY_USED_REGISTERS): Document.