From 50d52df278c547ffd53505a3ebf98f13cba5bd56 Mon Sep 17 00:00:00 2001 From: Ian Romanick Date: Mon, 17 Oct 2016 13:55:54 -0700 Subject: glsl: Add a lowering pass for 64-bit integer sign() Signed-off-by: Ian Romanick Reviewed-by: Matt Turner --- src/compiler/glsl/ir_optimization.h | 1 + src/compiler/glsl/lower_int64.cpp | 7 +++++++ 2 files changed, 8 insertions(+) (limited to 'src/compiler') 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); -- cgit v1.2.3