i965: Fix negation in the new FS backend.

Fixes:
glsl1-Negation
glsl1-Negation2

diff --git a/src/mesa/drivers/dri/i965/brw_fs.cpp b/src/mesa/drivers/dri/i965/brw_fs.cpp
index 7f2bf84..d05aa29 100644 (file)
--- a/src/mesa/drivers/dri/i965/brw_fs.cpp
+++ b/src/mesa/drivers/dri/i965/brw_fs.cpp
@@ -638,7 +638,7 @@ fs_visitor::visit(ir_expression *ir)
       emit(fs_inst(BRW_OPCODE_ADD, this->result, op[0], fs_reg(-1)));
       break;
    case ir_unop_neg:
-      op[0].negate = ~op[0].negate;
+      op[0].negate = !op[0].negate;
       this->result = op[0];
       break;
    case ir_unop_abs: