(forwarding this question)
This code
j = --i + i--;
Is transformed into this (pseudo)WHIRL:
STID(i) - ADD - LDID(i) ; this is the side
\ INTCONST(-1); effect of the --i expression
STID(preg_I4) - LDID(i)
I suspect that the translation is done in a way that that ensures correctness.
The temp is not needed in your example, but it is needed for:
j = i-- + i--
Doug
-Original Message-
From: C. Bergström [mailto:cbergst...@pathscale.com]
Sent: Wednesday, September 29, 2010 7:15 AM
To:
I think it might have been done to handle the case where i is volatile.
It might also be needed for code dealing with auto decrement coupled with
pointer dereferencing and the computing of pointer involves an expression
having side effects.
Murthy
-Original Message-
From: Gilmore, Doug
