These instructions will be used with immediate arguments in the upcoming
frexp and ldexp lowering passes.
---
src/mesa/drivers/dri/i965/brw_fs_copy_propagation.cpp | 11 +++++++++++
1 file changed, 11 insertions(+)
diff --git a/src/mesa/drivers/dri/i965/brw_fs_copy_propagation.cpp
b/src/mesa/drivers/dri/i965/brw_fs_copy_propagation.cpp
index 2780ab6..034ebef 100644
--- a/src/mesa/drivers/dri/i965/brw_fs_copy_propagation.cpp
+++ b/src/mesa/drivers/dri/i965/brw_fs_copy_propagation.cpp
@@ -341,9 +341,20 @@ fs_visitor::try_constant_propagate(fs_inst *inst,
acp_entry *entry)
progress = true;
break;
+ case BRW_OPCODE_SHL:
+ case BRW_OPCODE_SHR:
+ if (i == 1) {
+ inst->src[i] = entry->src;
+ progress = true;
+ }
+ break;
+
case BRW_OPCODE_MACH:
case BRW_OPCODE_MUL:
case BRW_OPCODE_ADD:
+ case BRW_OPCODE_OR:
+ case BRW_OPCODE_AND:
+ case BRW_OPCODE_XOR:
if (i == 1) {
inst->src[i] = entry->src;
progress = true;
--
1.8.3.2
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