nv50/ir: avoid folding immediates into imad operations

Commit 09ee907266 added logic to fold immediates into mad operations,
but the emission code is only there for fmad. Only allow it on float
types.

Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu>

diff --git a/src/gallium/drivers/nouveau/codegen/nv50_ir_peephole.cpp b/src/gallium/drivers/nouveau/codegen/nv50_ir_peephole.cpp
index dc048e605a50c46e468aeb77e11c667b5c573975..87d95892326fdbe645cd92273a88393d93376030 100644 (file)
--- a/src/gallium/drivers/nouveau/codegen/nv50_ir_peephole.cpp
+++ b/src/gallium/drivers/nouveau/codegen/nv50_ir_peephole.cpp
@@ -2315,7 +2315,8 @@ NV50PostRaConstantFolding::visit(BasicBlock *bb)
              i->src(0).getFile() != FILE_GPR ||
              i->src(1).getFile() != FILE_GPR ||
              i->src(2).getFile() != FILE_GPR ||
-             i->getDef(0)->reg.data.id != i->getSrc(2)->reg.data.id)
+             i->getDef(0)->reg.data.id != i->getSrc(2)->reg.data.id ||
+             !isFloatType(i->dType))
             break;
 
          def = i->getSrc(1)->getInsn();