diff options
| author | Kristian H. Kristensen <[email protected]> | 2020-03-04 11:58:58 -0800 |
|---|---|---|
| committer | Marge Bot <[email protected]> | 2020-03-09 16:31:08 +0000 |
| commit | e3cc81e86cc71259626a52b057d67c4a77c19839 (patch) | |
| tree | d071b29833a0ff7f5c13367a79cab74d0b49b091 /src/compiler/glsl/lower_instructions.cpp | |
| parent | 4fcac46cbd720ec88a6762cf5cda5906eb379c9d (diff) | |
glsl/lower_instructions: Handle fp16 for FDIV_TO_MUL_RCP
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/3929>
Diffstat (limited to 'src/compiler/glsl/lower_instructions.cpp')
| -rw-r--r-- | src/compiler/glsl/lower_instructions.cpp | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/src/compiler/glsl/lower_instructions.cpp b/src/compiler/glsl/lower_instructions.cpp index 9aca7c9d8df..c549d16d2ac 100644 --- a/src/compiler/glsl/lower_instructions.cpp +++ b/src/compiler/glsl/lower_instructions.cpp @@ -63,7 +63,8 @@ * reciprocal. By breaking the operation down, constant reciprocals * can get constant folded. * - * FDIV_TO_MUL_RCP only lowers single-precision floating point division; + * FDIV_TO_MUL_RCP lowers single-precision and half-precision + * floating point division; * DDIV_TO_MUL_RCP only lowers double-precision floating point division. * DIV_TO_MUL_RCP is a convenience macro that sets both flags. * INT_DIV_TO_MUL_RCP handles the integer case, converting to and from floating @@ -209,7 +210,7 @@ lower_instructions_visitor::sub_to_add_neg(ir_expression *ir) void lower_instructions_visitor::div_to_mul_rcp(ir_expression *ir) { - assert(ir->operands[1]->type->is_float() || ir->operands[1]->type->is_double()); + assert(ir->operands[1]->type->is_float_16_32_64()); /* New expression for the 1.0 / op1 */ ir_rvalue *expr; @@ -342,7 +343,7 @@ lower_instructions_visitor::mod_to_floor(ir_expression *ir) /* Don't generate new IR that would need to be lowered in an additional * pass. */ - if ((lowering(FDIV_TO_MUL_RCP) && ir->type->is_float()) || + if ((lowering(FDIV_TO_MUL_RCP) && ir->type->is_float_16_32()) || (lowering(DDIV_TO_MUL_RCP) && ir->type->is_double())) div_to_mul_rcp(div_expr); @@ -1773,7 +1774,7 @@ lower_instructions_visitor::visit_leave(ir_expression *ir) case ir_binop_div: if (ir->operands[1]->type->is_integer_32() && lowering(INT_DIV_TO_MUL_RCP)) int_div_to_mul_rcp(ir); - else if ((ir->operands[1]->type->is_float() && lowering(FDIV_TO_MUL_RCP)) || + else if ((ir->operands[1]->type->is_float_16_32() && lowering(FDIV_TO_MUL_RCP)) || (ir->operands[1]->type->is_double() && lowering(DDIV_TO_MUL_RCP))) div_to_mul_rcp(ir); break; |