[Mesa-dev] [PATCH 24/51] intel/compiler: Add support for negating 16-bit floats

Topi Pohjolainen topi.pohjolainen at gmail.com
Fri Nov 24 12:26:51 UTC 2017


Signed-off-by: Topi Pohjolainen <topi.pohjolainen at intel.com>
---
 src/intel/compiler/brw_shader.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/intel/compiler/brw_shader.cpp b/src/intel/compiler/brw_shader.cpp
index cc9297772b..3a83f55f28 100644
--- a/src/intel/compiler/brw_shader.cpp
+++ b/src/intel/compiler/brw_shader.cpp
@@ -653,7 +653,8 @@ brw_negate_immediate(enum brw_reg_type type, struct brw_reg *reg)
    case BRW_REGISTER_TYPE_V:
       assert(!"unimplemented: negate UV/V immediate");
    case BRW_REGISTER_TYPE_HF:
-      assert(!"unimplemented: negate HF immediate");
+      reg->ud ^= 0x00008000;
+      return true;
    }
 
    return false;
-- 
2.11.0



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