diff options
Diffstat (limited to 'src/mesa/drivers')
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_fs.cpp | 12 | ||||
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_vec4.cpp | 12 |
2 files changed, 24 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_fs.cpp b/src/mesa/drivers/dri/i965/brw_fs.cpp index 7280b6bac26..0ada5837cfd 100644 --- a/src/mesa/drivers/dri/i965/brw_fs.cpp +++ b/src/mesa/drivers/dri/i965/brw_fs.cpp @@ -2367,6 +2367,18 @@ fs_visitor::opt_algebraic() break; } 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 BRW_OPCODE_SEL: if (inst->src[0].equals(inst->src[1])) { inst->opcode = BRW_OPCODE_MOV; diff --git a/src/mesa/drivers/dri/i965/brw_vec4.cpp b/src/mesa/drivers/dri/i965/brw_vec4.cpp index 0fac9495210..89881967dfd 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) { |