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Re: Param ordering; < and <=

This page is part of the web mail archives of SRFI 32 from before July 7th, 2015. The new archives for SRFI 32 contain all messages, not just those from before July 7th, 2015.

On Mon, 22 Jul 2002, Ben Goetter (in the field) wrote:

> Numerically, op< is less expensive than op<=.  Assuming that a fixnum
> (lambda (x y) (< x y)) compiles to a signed-comparison sequence like
> (x86)

> On the x86 and ARM, JL (BLT) tests two flag bits, whereas JLE (BLE)
> tests three.  (For unsigned comparisons, JB (BCC) tests one flag bit,
> whereas JBE (BLS) tests two.)

This seems kinda low-level and architecture-specific.  Does
it really make a significant difference?  What about other