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-rw-r--r--src/compiler/glsl/ir_optimization.h1
-rw-r--r--src/compiler/glsl/lower_int64.cpp7
2 files changed, 8 insertions, 0 deletions
diff --git a/src/compiler/glsl/ir_optimization.h b/src/compiler/glsl/ir_optimization.h
index 6fc7ff8ffa6..e4f78f038fd 100644
--- a/src/compiler/glsl/ir_optimization.h
+++ b/src/compiler/glsl/ir_optimization.h
@@ -52,6 +52,7 @@
/* Opertaions for lower_64bit_integer_instructions() */
#define MUL64 (1U << 0)
+#define SIGN64 (1U << 1)
/**
* \see class lower_packing_builtins_visitor
diff --git a/src/compiler/glsl/lower_int64.cpp b/src/compiler/glsl/lower_int64.cpp
index 5952de51c2e..a12eba85c58 100644
--- a/src/compiler/glsl/lower_int64.cpp
+++ b/src/compiler/glsl/lower_int64.cpp
@@ -361,6 +361,13 @@ lower_64bit_visitor::handle_rvalue(ir_rvalue **rvalue)
assert(ir != NULL);
switch (ir->operation) {
+ case ir_unop_sign:
+ if (lowering(SIGN64)) {
+ *rvalue = handle_op(ir, "__builtin_sign64", generate_ir::sign64);
+ this->progress = true;
+ }
+ break;
+
case ir_binop_mul:
if (lowering(MUL64)) {
*rvalue = handle_op(ir, "__builtin_umul64", generate_ir::umul64);