[Mesa-dev] [PATCH v2 1/7] nv50/ir: enable PostRaConstantFolding for [c0, f0)

[Karol Herbst]

From: Karol Herbst <git at karolherbst.de>

helps shaders in multiple games

total instructions in shared programs : 1925865 -> 1922112 (-0.19%)
total gprs used in shared programs    : 251863 -> 251863 (0.00%)
total local used in shared programs   : 5673 -> 5673 (0.00%)
total bytes used in shared programs   : 17657840 -> 17624080 (-0.19%)

                local        gpr       inst      bytes
    helped           0           0        2082        2082
      hurt           0           0           0           0

v2: only Tesla needs the lower path

Signed-off-by: Karol Herbst <nouveau at karolherbst.de>
---
 src/gallium/drivers/nouveau/codegen/nv50_ir_peephole.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/gallium/drivers/nouveau/codegen/nv50_ir_peephole.cpp b/src/gallium/drivers/nouveau/codegen/nv50_ir_peephole.cpp
index 95e9fdf..ced9904 100644
--- a/src/gallium/drivers/nouveau/codegen/nv50_ir_peephole.cpp
+++ b/src/gallium/drivers/nouveau/codegen/nv50_ir_peephole.cpp
@@ -2883,7 +2883,7 @@ NV50PostRaConstantFolding::visit(BasicBlock *bb)
             def = def->getSrc(0)->getInsn();
          if (def && def->op == OP_MOV && def->src(0).getFile() == FILE_IMMEDIATE) {
             vtmp = i->getSrc(1);
-            if (isFloatType(i->sType)) {
+            if (typeSizeof(i->sType) >= 2) {
                i->setSrc(1, def->getSrc(0));
             } else {
                ImmediateValue val;
@@ -3325,7 +3325,7 @@ bool
 Program::optimizePostRA(int level)
 {
    RUN_PASS(2, FlatteningPass, run);
-   if (getTarget()->getChipset() < 0xc0)
+   if (getTarget()->getChipset() < NVISA_GK20A_CHIPSET)
       RUN_PASS(2, NV50PostRaConstantFolding, run);
 
    return true;
-- 
2.7.0