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Re: [PATCH] MIPS32 DSP intrinsics
Richard Henderson wrote:
On Thu, Jun 02, 2005 at 03:37:21PM -0700, Mark Mitchell wrote:
If they're just unspecs/intrinsics, then the
instructions are magic, and as long as they're correctly
conditionalized, what's to worry about?
Should they be using regular rtl patterns instead of unspecs?
Should they be using unspec-volatile instead of plain unspec?
Fair questions. But, what are the consequences of getting it wrong? I
think, just that the compiler doesn't work as well as it might on the
Is this situation really unprecedented? Have we never had a port in the
FSF tree without at least one of publicly available simulators, manuals,
or silicon? I'm not asking facetiously; I'm honestly not sure. My
impression is that we've had such ports in the past.