diff options
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_vec4_copy_propagation.cpp | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_vec4_copy_propagation.cpp b/src/mesa/drivers/dri/i965/brw_vec4_copy_propagation.cpp index 1a667ebf2b2..64f6ccc98f7 100644 --- a/src/mesa/drivers/dri/i965/brw_vec4_copy_propagation.cpp +++ b/src/mesa/drivers/dri/i965/brw_vec4_copy_propagation.cpp @@ -95,6 +95,7 @@ try_constant_propagation(vec4_instruction *inst, int arg, src_reg *values[4]) inst->src[arg] = value; return true; + case BRW_OPCODE_MACH: case BRW_OPCODE_MUL: case BRW_OPCODE_ADD: if (arg == 1) { @@ -102,9 +103,10 @@ try_constant_propagation(vec4_instruction *inst, int arg, src_reg *values[4]) return true; } else if (arg == 0 && inst->src[1].file != IMM) { /* Fit this constant in by commuting the operands. Exception: we - * can't do this for 32-bit integer MUL because it's asymmetric. + * can't do this for 32-bit integer MUL/MACH because it's asymmetric. */ - if (inst->opcode == BRW_OPCODE_MUL && + if ((inst->opcode == BRW_OPCODE_MUL || + inst->opcode == BRW_OPCODE_MACH) && (inst->src[1].type == BRW_REGISTER_TYPE_D || inst->src[1].type == BRW_REGISTER_TYPE_UD)) break; |