OpenHarmony/third_party_mesa3d
2
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

intel/compiler: fix cmod propagation for non 32-bit types

Browse Source 
v2:
 - Do not propagate if the bit-size changes

Reviewed-by: Jason Ekstrand <jason@jlekstrand.net>
This commit is contained in:
Iago Toral Quiroga
2018-11-19 13:08:07 +01:00
committed by Juan A. Suarez Romero
parent 66002eeebe
commit ddd1706ab3
1 changed files with 9 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files

13
src/intel/compiler/brw_fs_cmod_propagation.cpp
View File

@@ -244,8 +244,7 @@ opt_cmod_propagation_local(const gen_device_info *devinfo,
/* CMP's result is the same regardless of dest type. */
if (inst->conditional_mod == BRW_CONDITIONAL_NZ &&
scan_inst->opcode == BRW_OPCODE_CMP &&
(inst->dst.type == BRW_REGISTER_TYPE_D ||
inst->dst.type == BRW_REGISTER_TYPE_UD)) {
brw_reg_type_is_integer(inst->dst.type)) {
inst->remove(block);
progress = true;
break;
@@ -266,6 +265,12 @@ opt_cmod_propagation_local(const gen_device_info *devinfo,
/* Comparisons operate differently for ints and floats */
if (scan_inst->dst.type != inst->dst.type) {
/* Comparison result may be altered if the bit-size changes
* since that affects range, denorms, etc
*/
if (type_sz(scan_inst->dst.type) != type_sz(inst->dst.type))
break;
/* We should propagate from a MOV to another instruction in a
* sequence like:
*
@@ -279,8 +284,8 @@ opt_cmod_propagation_local(const gen_device_info *devinfo,
scan_inst->dst.type != BRW_REGISTER_TYPE_UD)) {
break;
}
} else if (scan_inst->dst.type == BRW_REGISTER_TYPE_F ||
inst->dst.type == BRW_REGISTER_TYPE_F) {
} else if (brw_reg_type_is_floating_point(scan_inst->dst.type) !=
brw_reg_type_is_floating_point(inst->dst.type)) {
break;
}
}