Which ANSI section does that violate? -----Original Message----- From: Marc Glisse [mailto:marc.glisse@xxxxxxxx] Sent: Wednesday, May 28, 2014 2:43 PM To: Regan, Brian (EPC COE) Cc: 'gcc-help@xxxxxxxxxxx' Subject: RE: help understanding behaviour of unsuffixed float constants On Wed, 28 May 2014, Regan, Brian (EPC COE) wrote: > It might have been clearer if I included the objdump disassembly: > > It should be apparent below the difference when I force the unsuffixed > float to double (big value) and the second case where I have a > second(but smaller) unsuffixed double. Based on the ASNI item > highlighted in the original email (6.1.3.1 "An unsuffixed floating > constant has type double.") this difference is unexpected. The concern > is not a technical one - it is one of understanding and documenting > the deviation from the ANSI standard. Then you may also want to document that the compiler sometimes replaces 1+1 by 2 (objdump won't show you any addition). -- Marc Glisse
