volatile required?

[David T. Sandberg]

In article <756 at crdos1.crd.ge.COM> davidsen at crdos1.UUCP (bill davidsen) writes:
:In article <16785 at watdragon.waterloo.edu>, afscian at violet.waterloo.edu (Anthony Scian) writes:
:|  NO. This is a convenient type of oversight that allows so called
:|  "optimizing compilers" like Turbo C and Microsoft C to squeeze
:|  out extra performance from benchmarks.
:
:  I wrote a reply saying that MSC v4.85 and later didn't do this.
:Someone replied that if certainly did, if you use the -Oa option.

For the record, MSC 5.1 produces the correct results from the
original program snippet (4) even when compiling with either
the -Oa or the -Ox switch.

-- 
                                  David Sandberg - Quadric Systems
 "I began neglecting my shoes."   PSEUDO: dts at quad.uucp
                                  ACTUAL: ..uunet!rosevax!sialis!quad!dts