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Diffstat (limited to 'src/intel/compiler/brw_fs.cpp')
-rw-r--r--src/intel/compiler/brw_fs.cpp16
1 files changed, 9 insertions, 7 deletions
diff --git a/src/intel/compiler/brw_fs.cpp b/src/intel/compiler/brw_fs.cpp
index fea5a145a8e..fdbc6dbd0ea 100644
--- a/src/intel/compiler/brw_fs.cpp
+++ b/src/intel/compiler/brw_fs.cpp
@@ -3489,18 +3489,20 @@ fs_visitor::lower_integer_multiplication()
bool needs_mov = false;
fs_reg orig_dst = inst->dst;
+ fs_reg low = inst->dst;
if (orig_dst.is_null() || orig_dst.file == MRF ||
regions_overlap(inst->dst, inst->size_written,
inst->src[0], inst->size_read(0)) ||
regions_overlap(inst->dst, inst->size_written,
inst->src[1], inst->size_read(1))) {
needs_mov = true;
- inst->dst = fs_reg(VGRF, alloc.allocate(dispatch_width / 8),
- inst->dst.type);
+ low.nr = alloc.allocate(regs_written(inst));
+ low.offset = low.offset % REG_SIZE;
}
- fs_reg low = inst->dst;
- fs_reg high(VGRF, alloc.allocate(dispatch_width / 8),
- inst->dst.type);
+
+ fs_reg high = inst->dst;
+ high.nr = alloc.allocate(regs_written(inst));
+ high.offset = high.offset % REG_SIZE;
if (devinfo->gen >= 7) {
if (inst->src[1].file == IMM) {
@@ -3521,13 +3523,13 @@ fs_visitor::lower_integer_multiplication()
inst->src[1]);
}
- ibld.ADD(subscript(inst->dst, BRW_REGISTER_TYPE_UW, 1),
+ ibld.ADD(subscript(low, BRW_REGISTER_TYPE_UW, 1),
subscript(low, BRW_REGISTER_TYPE_UW, 1),
subscript(high, BRW_REGISTER_TYPE_UW, 0));
if (needs_mov || inst->conditional_mod) {
set_condmod(inst->conditional_mod,
- ibld.MOV(orig_dst, inst->dst));
+ ibld.MOV(orig_dst, low));
}
}