Hi, On Wed, 9 Dec 2009, H. Peter Anvin wrote:
> On 12/09/2009 06:56 AM, Michael Matz wrote: > >> > >> Aren't bits in the _Bool byte of"bar" specified by the psABI > > > > Right now they are specified in the psABI, you suggested to remove that > > specification. > > > > The intent of H.J.'s proposal is to require bits <7:1> == 0 in all cases > (and higher bits as don't cares, the same way a char is passed), Or bits <31:1> . But he also repeatedly suggests to remove the whole sentence about the bit clearing. That's what I'm opposing. I'm not against limiting the bit range that must be zero. > opposed to the current text which requires <63:1> == 0 when passed as > registers or on the stack (and <7:1> == 0 when stored in a memory > object.) Furthermore, the current psABI text is inconsistent for > arguments are return values; this is a bug in the wordsmithing of the > text rather than intentional, if I remember the original discussions > correctly. Right, I remember the same. Ciao, Michael.
