Now the VEC4_OPCODE_FROM_DOUBLE's destination data is written with
stride 2. We need to take into account this when doing the split
so we don't overwrite data.
Signed-off-by: Samuel Iglesias Gonsálvez <sigles...@igalia.com>
---
src/intel/compiler/brw_vec4.cpp | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/src/intel/compiler/brw_vec4.cpp b/src/intel/compiler/brw_vec4.cpp
index b26f8035811..f4eea954404 100644
--- a/src/intel/compiler/brw_vec4.cpp
+++ b/src/intel/compiler/brw_vec4.cpp
@@ -2198,6 +2198,7 @@ vec4_visitor::lower_simd_width()
linst->group = channel_offset;
linst->size_written = size_written;
+ bool d2f_pass = (inst->opcode == VEC4_OPCODE_FROM_DOUBLE && n > 0);
/* Compute split dst region */
dst_reg dst;
if (needs_temp) {
@@ -2212,7 +2213,11 @@ vec4_visitor::lower_simd_width()
inst->insert_before(block, copy);
}
} else {
- dst = horiz_offset(inst->dst, channel_offset);
+ /* d2x conversion is done with a destination's stride of 2. We need
+ * to take into account when splitting it.
+ */
+ unsigned stride = d2f_pass ? 2 : 1;
+ dst = horiz_offset(inst->dst, stride * channel_offset);
}
linst->dst = dst;
--
2.11.0
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