Re: CVS commit: src/lib/libc_fp
> On Jul 14, 2016, at 11:39 PM, David Holland > wrote: > > Can you call this MTC1_HAZARD like the MFC0_HAZARD that got added > recently elsewhere? It's a pipeline hazard and not a synchronization > (which to me at least indicates some form of handshake) and it's also > specific to mtc1/dmtc1. That's reasonable. > (also while this code appears to currently be 64-bit only, in the long > run the condition is wrong...) Well, O32 handles FP emulation. So this is really for N32/N64 since they default to softfloat. They use 64-bit registers so I don't see the point.
Re: CVS commit: src/lib/libc_fp
On Thu, Jul 14, 2016 at 01:59:19AM +, Matt Thomas wrote: > Added Files: > src/lib/libc_fp: Makefile gcc-softfloat.c > src/lib/libc_fp/arch/mips: Makefile.inc fpdf.S fpsf.S shlib_version > > Log Message: > Library which implements the softfloat primitives using FP instructions > Currently contains only untested MIPS routines. > XXX move arm libc_vfp to here. > > [...] > #ifdef MIPS3 > #defineCOP1_SYNC nop > #else > #defineCOP1_SYNC > #endif Can you call this MTC1_HAZARD like the MFC0_HAZARD that got added recently elsewhere? It's a pipeline hazard and not a synchronization (which to me at least indicates some form of handshake) and it's also specific to mtc1/dmtc1. (also while this code appears to currently be 64-bit only, in the long run the condition is wrong...) -- David A. Holland dholl...@netbsd.org
