diff options
Diffstat (limited to 'src/mesa/drivers/dri/i965/brw_vec4.cpp')
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_vec4.cpp | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_vec4.cpp b/src/mesa/drivers/dri/i965/brw_vec4.cpp index 0fac949..8988196 100644 --- a/src/mesa/drivers/dri/i965/brw_vec4.cpp +++ b/src/mesa/drivers/dri/i965/brw_vec4.cpp @@ -693,6 +693,18 @@ vec4_visitor::opt_algebraic() progress = true; } break; + case BRW_OPCODE_CMP: + if (inst->conditional_mod == BRW_CONDITIONAL_GE && + inst->src[0].abs && + inst->src[0].negate && + inst->src[1].is_zero()) { + inst->src[0].abs = false; + inst->src[0].negate = false; + inst->conditional_mod = BRW_CONDITIONAL_Z; + progress = true; + break; + } + break; case SHADER_OPCODE_RCP: { vec4_instruction *prev = (vec4_instruction *)inst->prev; if (prev->opcode == SHADER_OPCODE_SQRT) { |