---
src/mesa/drivers/dri/i965/brw_fs_channel_expressions.cpp | 1 +
src/mesa/drivers/dri/i965/brw_fs_visitor.cpp | 10 ++++++++++
src/mesa/drivers/dri/i965/brw_vec4_visitor.cpp | 7 +++++++
3 files changed, 18 insertions(+)
diff --git a/src/mesa/drivers/dri/i965/brw_fs_channel_expressions.cpp
b/src/mesa/drivers/dri/i965/brw_fs_channel_expressions.cpp
index 8cbe1c9..fe1d64c 100644
--- a/src/mesa/drivers/dri/i965/brw_fs_channel_expressions.cpp
+++ b/src/mesa/drivers/dri/i965/brw_fs_channel_expressions.cpp
@@ -233,6 +233,7 @@ ir_channel_expressions_visitor::visit_leave(ir_assignment
*ir)
case ir_binop_add:
case ir_binop_sub:
case ir_binop_mul:
+ case ir_binop_mul64:
case ir_binop_div:
case ir_binop_carry:
case ir_binop_borrow:
diff --git a/src/mesa/drivers/dri/i965/brw_fs_visitor.cpp
b/src/mesa/drivers/dri/i965/brw_fs_visitor.cpp
index 531ef52..4047d49 100644
--- a/src/mesa/drivers/dri/i965/brw_fs_visitor.cpp
+++ b/src/mesa/drivers/dri/i965/brw_fs_visitor.cpp
@@ -539,6 +539,16 @@ fs_visitor::visit(ir_expression *ir)
emit(MUL(this->result, op[0], op[1]));
}
break;
+ case ir_binop_mul64: {
+ if (brw->gen >= 7 && dispatch_width == 16)
+ fail("16-wide explicit accumulator operands unsupported\n");
+
+ struct brw_reg acc = retype(brw_acc_reg(), BRW_REGISTER_TYPE_UD);
+
+ emit(MUL(acc, op[0], op[1]));
+ emit(MACH(this->result, op[0], op[1]));
+ break;
+ }
case ir_binop_div:
/* Floating point should be lowered by DIV_TO_MUL_RCP in the compiler. */
assert(ir->type->is_integer());
diff --git a/src/mesa/drivers/dri/i965/brw_vec4_visitor.cpp
b/src/mesa/drivers/dri/i965/brw_vec4_visitor.cpp
index 86dc83d..d822576 100644
--- a/src/mesa/drivers/dri/i965/brw_vec4_visitor.cpp
+++ b/src/mesa/drivers/dri/i965/brw_vec4_visitor.cpp
@@ -1451,6 +1451,13 @@ vec4_visitor::visit(ir_expression *ir)
emit(MUL(result_dst, op[0], op[1]));
}
break;
+ case ir_binop_mul64: {
+ struct brw_reg acc = retype(brw_acc_reg(), BRW_REGISTER_TYPE_UD);
+
+ emit(MUL(acc, op[0], op[1]));
+ emit(MACH(result_dst, op[0], op[1]));
+ break;
+ }
case ir_binop_div:
/* Floating point should be lowered by DIV_TO_MUL_RCP in the compiler. */
assert(ir->type->is_integer());
--
1.8.1.5
_______________________________________________
mesa-dev mailing list
mesa-dev@lists.freedesktop.org
http://lists.freedesktop.org/mailman/listinfo/mesa-dev
