[Mesa-dev] [PATCH v2 7.5/18] intel/compiler: support negate and abs of half float immediates

[Jose Maria Casanova Crespo]

---
 src/intel/compiler/brw_shader.cpp | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/intel/compiler/brw_shader.cpp b/src/intel/compiler/brw_shader.cpp
index 284c2e8233c..537defd05d9 100644
--- a/src/intel/compiler/brw_shader.cpp
+++ b/src/intel/compiler/brw_shader.cpp
@@ -605,7 +605,8 @@ 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 ^= 0x80008000;
+      return true;
    case BRW_REGISTER_TYPE_NF:
       unreachable("no NF immediates");
    }
@@ -651,7 +652,8 @@ brw_abs_immediate(enum brw_reg_type type, struct brw_reg *reg)
    case BRW_REGISTER_TYPE_V:
       assert(!"unimplemented: abs V immediate");
    case BRW_REGISTER_TYPE_HF:
-      assert(!"unimplemented: abs HF immediate");
+      reg->ud &= ~0x80008000;
+      return true;
    case BRW_REGISTER_TYPE_NF:
       unreachable("no NF immediates");
    }
-- 
2.14.3