---
src/mesa/drivers/dri/i965/brw_fs.cpp | 14 ++++++++++++++
1 files changed, 14 insertions(+), 0 deletions(-)
diff --git a/src/mesa/drivers/dri/i965/brw_fs.cpp
b/src/mesa/drivers/dri/i965/brw_fs.cpp
index 7e9ce04..6d91668 100644
--- a/src/mesa/drivers/dri/i965/brw_fs.cpp
+++ b/src/mesa/drivers/dri/i965/brw_fs.cpp
@@ -1058,6 +1058,20 @@ fs_visitor::propagate_constants()
progress = true;
}
break;
+
+ case FS_OPCODE_RCP:
+ /* The hardware doesn't do math on immediate values
+ * (because why are you doing that, seriously?), but
+ * the correct answer is to just constant fold it
+ * anyway.
+ */
+ assert(i == 0);
+ if (inst->src[0].imm.f != 0.0f) {
+ scan_inst->opcode = BRW_OPCODE_MOV;
+ scan_inst->src[0] = inst->src[0];
+ progress = true;
+ }
+ break;
}
}
--
1.7.5.4
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