diff options
Diffstat (limited to 'src/intel/compiler/brw_vec4.cpp')
| -rw-r--r-- | src/intel/compiler/brw_vec4.cpp | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/src/intel/compiler/brw_vec4.cpp b/src/intel/compiler/brw_vec4.cpp index 2e9ec6f5ef3..e0d6476dea6 100644 --- a/src/intel/compiler/brw_vec4.cpp +++ b/src/intel/compiler/brw_vec4.cpp @@ -799,10 +799,19 @@ vec4_visitor::opt_algebraic() break; if (inst->saturate) { - if (inst->dst.type != inst->src[0].type) + /* Full mixed-type saturates don't happen. However, we can end up + * with things like: + * + * mov.sat(8) g21<1>DF -1F + * + * Other mixed-size-but-same-base-type cases may also be possible. + */ + if (inst->dst.type != inst->src[0].type && + inst->dst.type != BRW_REGISTER_TYPE_DF && + inst->src[0].type != BRW_REGISTER_TYPE_F) assert(!"unimplemented: saturate mixed types"); - if (brw_saturate_immediate(inst->dst.type, + if (brw_saturate_immediate(inst->src[0].type, &inst->src[0].as_brw_reg())) { inst->saturate = false; progress = true; |