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This patch models vector widening multiplication idioms for the spu. Tested on the vectorizer testcases (one additional testcase now gets vectorized: vect-widen-mult-s16.c). ok to commit once passes full make check? dorit :ADDPATCH (spu): ChangeLog: * config/spu/spu.md (vec_widen_umult_hi_v8hi): New. (vec_widen_umult_lo_v8hi, vec_widen_smult_hi_v8hi): New. (vec_widen_smult_lo_v8hi): New. * config/spu/spu.c (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): Defined. (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): Defined. (spu_builtin_mul_widen_even, spu_builtin_mul_widen_odd): New. Testsuite Changelog: * lib/target-supports.exp: Add spu to check_effective_target_vect_widen_mult_hi_to_si. Patch: (See attached file: dec19.spupatch.txt)
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dec19.spupatch.txt
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