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This patch makes the SVE CLASTB GPR alternative more expensive than the FPR alternative in order to avoid unnecessary cross-file moves. It also fixes the prefix used to print the FPR; <vw> only handles 32-bit and 64-bit elements. 2019-08-07 Richard Sandiford <richard.sandiford@arm.com> gcc/ * config/aarch64/aarch64-sve.md (fold_extract_last_<mode>): Disparage the GPR alternative relative to the FPR one. Fix handling of 8-bit and 16-bit FPR values. gcc/testsuite/ * gcc.target/aarch64/sve/clastb_8.c: New test. From-SVN: r274191
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