Fixes rewrite by the register coalesce pass of references to
individual halves of 16-wide coalesced registers.
---
src/mesa/drivers/dri/i965/brw_fs_register_coalesce.cpp | 8 ++++++--
1 file changed, 6 insertions(+), 2 deletions(-)
diff --git a/src/mesa/drivers/dri/i965/brw_fs_register_coalesce.cpp
b/src/mesa/drivers/dri/i965/brw_fs_register_coalesce.cpp
index 09f0fad..2a26a46 100644
--- a/src/mesa/drivers/dri/i965/brw_fs_register_coalesce.cpp
+++ b/src/mesa/drivers/dri/i965/brw_fs_register_coalesce.cpp
@@ -211,9 +211,13 @@ fs_visitor::register_coalesce()
continue;
}
reg_to_offset[offset] = inst->dst.reg_offset;
- if (inst->src[0].width == 16)
- reg_to_offset[offset + 1] = inst->dst.reg_offset + 1;
mov[offset] = inst;
+
+ if (inst->exec_size * type_sz(inst->src[0].type) > REG_SIZE) {
+ reg_to_offset[offset + 1] = inst->dst.reg_offset + 1;
+ mov[offset + 1] = inst;
+ }
+
channels_remaining -= inst->regs_written;
}
--
2.1.3
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