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Re: [PATCH] fast Copysign for PPC, -flag_unsafe_math_optimizations only
On Sun, Jan 30, 2005 at 05:01:00PM -0700, Roger Sayle wrote:
> Except for in back-ends, which shouldn't need to check which of their
> floating point modes support signed zeros, in which case the usual
> HONOR_SIGNED_ZEROS test reduces to flag_unsafe_math_optimizations.
No. Using the proper HONOR macro also documents what aspect
of flag_unsafe_math_optimizations is being relied on.