From: Elie Tournier <[email protected]>
Signed-off-by: Elie Tournier <[email protected]>
---
src/compiler/glsl/ir_optimization.h | 3 ++-
src/compiler/glsl/lower_64bit.cpp | 7 +++++++
2 files changed, 9 insertions(+), 1 deletion(-)
diff --git a/src/compiler/glsl/ir_optimization.h
b/src/compiler/glsl/ir_optimization.h
index 1b5d50a..6ef75f5 100644
--- a/src/compiler/glsl/ir_optimization.h
+++ b/src/compiler/glsl/ir_optimization.h
@@ -72,10 +72,11 @@
#define D2F (1U << 13)
#define F2D (1U << 14)
#define SQRT64 (1U << 15)
+#define TRUNC64 (1U << 16)
#define LOWER_ALL_DOUBLE_OPS (ABS64 | NEG64 | SIGN64 | EQ64 | LT64 | \
ADD64 | MUL64 | D2U | U2D | D2I | I2D | \
- D2F | F2D | SQRT64)
+ D2F | F2D | SQRT64 | TRUNC64)
/**
* \see class lower_packing_builtins_visitor
diff --git a/src/compiler/glsl/lower_64bit.cpp
b/src/compiler/glsl/lower_64bit.cpp
index 4920150..3c34211 100644
--- a/src/compiler/glsl/lower_64bit.cpp
+++ b/src/compiler/glsl/lower_64bit.cpp
@@ -482,6 +482,13 @@ lower_64bit_visitor::handle_rvalue(ir_rvalue **rvalue)
}
break;
+ case ir_unop_trunc:
+ if (lowering(TRUNC64)) {
+ if (ir->type->base_type == GLSL_TYPE_DOUBLE)
+ *rvalue = handle_op(ir, "__builtin_ftrunc64",
generate_ir::ftrunc64);
+ }
+ break;
+
case ir_unop_u2d:
if (lowering(U2D)) {
if (ir->type->base_type == GLSL_TYPE_DOUBLE)
--
2.9.5
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