2010/12/13 Christian König <deathsim...@vodafone.de>: > tgsi_helper_copy is used on several occasions to copy a temporary result > into the real destination register to emulate writemasks for OP3 and > reduction operations. According to R600 ISA that's unnecessary. >
What in R600 ISA makes you think so (page) ? write mask is bit 4 SQ_ALU_WORD1_OP2 but bit 4 of SQ_ALU_WORD1_OP3 is in SRC2_SEL field. Cheers, Jerome _______________________________________________ mesa-dev mailing list mesa-dev@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/mesa-dev