----Original Message---- >From: Paul Koning >Sent: 15 April 2005 17:56
>>>>>> "Dave" == Dave Korn <[EMAIL PROTECTED]> writes: > > Dave> Doesn't the C language spec require the mode to be switchable > Dave> at runtime? > > Dave> In any case, the ARM or Alpha isn't prevented from working in > Dave> such a fashion just because the rounding mode is encoded in the > Dave> instruction; it just means that fp primitives have to be > Dave> compiled as intrinsics that test whatever flag controls the > Dave> rounding mode and then branch to an fp insn of the appropriate > Dave> form. > > That only works if the notion of switchable rounding mode exists. I'm not sure. Either you don't get me, or I don't get you, but what I thought I was describing was a way of working around the lack of a switchable mode by compiling the code both ways with a runtime test of a flag. cheers, DaveK -- Can't think of a witty .sigline today....