ac4cdf5cb4
Introduce two new unspecs, UNSPEC_COND_SMAX and UNSPEC_COND_SMIN, corresponding to rtl operators smax and smin. UNSPEC_COND_SMAX is used to generate fmaxnm instruction and UNSPEC_COND_SMIN is used to generate fminnm instruction. With these new unspecs, we can generate SVE2 max/min instructions using existing generic unpredicated and predicated instruction patterns that use optab attribute. Thus, we have removed specialised instruction patterns for max/min instructions that were using SVE_COND_FP_MAXMIN_PUBLIC iterator. No new test cases as the existing test cases should be enough to test this refactoring. gcc/ChangeLog: * config/aarch64/aarch64-sve.md (<fmaxmin><mode>3): Remove this instruction pattern. (cond_<fmaxmin><mode>): Remove this instruction pattern. * config/aarch64/iterators.md: New unspecs and changes to iterators and attrs to use the new unspecs |
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