[Mesa-dev] [PATCH 2/2] nv50/ir: Extend ImmediateValue::applyLog2 to 64-bit integers

Karol Herbst kherbst at redhat.com
Tue May 22 21:06:17 UTC 2018


From: Pierre Moreau <pierre.morrow at free.fr>

Signed-off-by: Karol Herbst <kherbst at redhat.com>
---
 src/gallium/drivers/nouveau/codegen/nv50_ir.cpp | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/src/gallium/drivers/nouveau/codegen/nv50_ir.cpp b/src/gallium/drivers/nouveau/codegen/nv50_ir.cpp
index c987da99085..49425b98b91 100644
--- a/src/gallium/drivers/nouveau/codegen/nv50_ir.cpp
+++ b/src/gallium/drivers/nouveau/codegen/nv50_ir.cpp
@@ -423,7 +423,10 @@ ImmediateValue::isNegative() const
 bool
 ImmediateValue::isPow2() const
 {
-   return util_is_power_of_two_or_zero(reg.data.u32);
+   if (reg.type == TYPE_U64 || reg.type == TYPE_S64)
+      return util_is_power_of_two_or_zero64(reg.data.u64);
+   else
+      return util_is_power_of_two_or_zero(reg.data.u32);
 }
 
 void
@@ -440,6 +443,12 @@ ImmediateValue::applyLog2()
    case TYPE_U32:
       reg.data.u32 = util_logbase2(reg.data.u32);
       break;
+   case TYPE_S64:
+      assert(!this->isNegative());
+      // fall through
+   case TYPE_U64:
+      reg.data.u64 = util_logbase2_64(reg.data.u64);
+      break;
    case TYPE_F32:
       reg.data.f32 = log2f(reg.data.f32);
       break;
-- 
2.17.0



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