Re: [PATCH 5/7] ifcvt: Try re-using CC for conditional moves.

2021-07-22 Thread Robin Dapp via Gcc-patches
v2 5/7] ifcvt: Try re-using CC for conditional moves. Following up on the previous patch, this patch makes noce_convert_multiple emit two cmov sequences: The same one as before and a second one that tries to re-use the existing CC. Then their costs are compared and the cheaper one is selec

[PATCH 5/7] ifcvt: Try re-using CC for conditional moves.

2021-06-25 Thread Robin Dapp via Gcc-patches
Following up on the previous patch, this patch makes noce_convert_multiple emit two cmov sequences: The same one as before and a second one that tries to re-use the existing CC. Then their costs are compared and the cheaper one is selected. --- gcc/ifcvt.c | 94