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i965/fs: Fix lower_load_payload() to take into account non-zero reg_offset.

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Fixes metadata guess when instructions in the program specify a
destination register with non-zero reg_offset and when the payload of
a LOAD_PAYLOAD spans several registers.

Reviewed-by: Jason Ekstrand <jason.ekstrand@intel.com>
This commit is contained in:
Francisco Jerez 2015-02-06 15:06:05 +02:00
parent 08b4c8f7bf
commit ea7b4d25c8
1 changed files with 2 additions and 2 deletions
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4
src/mesa/drivers/dri/i965/brw_fs.cpp
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@ -3127,7 +3127,7 @@ fs_visitor::lower_load_payload()
foreach_block_and_inst_safe (block, fs_inst, inst, cfg) {
if (inst->dst.file == GRF) {
const int dst_reg = vgrf_to_reg[inst->dst.reg];
const int dst_reg = vgrf_to_reg[inst->dst.reg] + inst->dst.reg_offset;
bool force_sechalf = inst->force_sechalf &&
!inst->force_writemask_all;
bool toggle_sechalf = inst->dst.width == 16 &&
@ -3176,7 +3176,7 @@ fs_visitor::lower_load_payload()
}
if (dst.file == GRF) {
const int dst_reg = vgrf_to_reg[dst.reg];
const int dst_reg = vgrf_to_reg[dst.reg] + dst.reg_offset;
const bool force_writemask = mov->force_writemask_all;
metadata[dst_reg].force_writemask_all = force_writemask;
metadata[dst_reg].force_sechalf = mov->force_sechalf;