Re: [PATCH 2/2] MATCH: add some of what phiopt's builtin_zero_pattern did

On 4/28/23 11:02, Andrew Pinski via Gcc-patches wrote: This adds the patterns for POPCOUNT BSWAP FFS PARITY CLZ and CTZ. For "a != 0 ? FUNC(a) : CST". CLRSB, CLRSBL, and CLRSBLL will be moved next. Note this is not enough to remove cond_removal_in_builtin_zero_pattern as we need to handle the

[PATCH 2/2] MATCH: add some of what phiopt's builtin_zero_pattern did

This adds the patterns for POPCOUNT BSWAP FFS PARITY CLZ and CTZ. For "a != 0 ? FUNC(a) : CST". CLRSB, CLRSBL, and CLRSBLL will be moved next. Note this is not enough to remove cond_removal_in_builtin_zero_pattern as we need to handle the case where there is an NOP_CONVERT inside the conditional t