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Re: gcse.c patch for IA-64 glibc math test failures


On Tue, Dec 16, 2003 at 01:05:57AM -0800, Jim Wilson wrote:
> + 	    && ! FLOAT_MODE_P (GET_MODE (XEXP (cond, 0)))

The correct test is HONOR_SIGNED_ZEROS.  That takes care of
IEEE FP, non-IEEE FP, and flag_unsafe_math_optimizations.

It also documents the FP property that is of interest to
that particular optimization.


r~


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