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Re: fix cse/resource register lifetime inconsistency
- To: law at cygnus dot com
- Subject: Re: fix cse/resource register lifetime inconsistency
- From: Jim Wilson <wilson at cygnus dot com>
- Date: Mon, 23 Aug 1999 21:05:36 -0700
- cc: egcs-patches at egcs dot cygnus dot com
I suspect the macro is still needed.
If you have call expanders which emit an insn to restore the PIC register
after a call, then the optimizer might optimize away that instruction unless
you tell it that calls clobber the PIC register.
Jim