diff options
| author | Matt Turner <mattst88@gmail.com> | 2018-10-11 09:55:38 -0700 |
|---|---|---|
| committer | Matt Turner <mattst88@gmail.com> | 2019-01-09 16:42:40 -0800 |
| commit | e76772af6c95b105258ad8c8b80614c3696b1422 (patch) | |
| tree | 29518290cef3fadb0632ccf74a079b1198898799 | |
| parent | 2623653126985be5aca1a29e24bdecb4bb42c8b4 (diff) | |
intel/compiler: Lower 64-bit MOV/SEL operations
| -rw-r--r-- | src/intel/compiler/brw_fs.cpp | 50 |
1 files changed, 49 insertions, 1 deletions
diff --git a/src/intel/compiler/brw_fs.cpp b/src/intel/compiler/brw_fs.cpp index c4052be978f..eb4fc327d5c 100644 --- a/src/intel/compiler/brw_fs.cpp +++ b/src/intel/compiler/brw_fs.cpp @@ -2421,9 +2421,35 @@ fs_visitor::opt_algebraic() { bool progress = false; - foreach_block_and_inst(block, fs_inst, inst, cfg) { + foreach_block_and_inst_safe(block, fs_inst, inst, cfg) { switch (inst->opcode) { case BRW_OPCODE_MOV: + if (!devinfo->has_64bit_types && + (inst->dst.type == BRW_REGISTER_TYPE_DF || + inst->dst.type == BRW_REGISTER_TYPE_UQ || + inst->dst.type == BRW_REGISTER_TYPE_Q)) { + assert(inst->dst.type == inst->src[0].type); + assert(!inst->saturate); + assert(!inst->src[0].abs); + assert(!inst->src[0].negate); + const brw::fs_builder ibld(this, block, inst); + + if (inst->src[0].file == IMM) { + ibld.MOV(subscript(inst->dst, BRW_REGISTER_TYPE_UD, 1), + brw_imm_ud(inst->src[0].u64 >> 32)); + ibld.MOV(subscript(inst->dst, BRW_REGISTER_TYPE_UD, 0), + brw_imm_ud(inst->src[0].u64)); + } else { + ibld.MOV(subscript(inst->dst, BRW_REGISTER_TYPE_UD, 1), + subscript(inst->src[0], BRW_REGISTER_TYPE_UD, 1)); + ibld.MOV(subscript(inst->dst, BRW_REGISTER_TYPE_UD, 0), + subscript(inst->src[0], BRW_REGISTER_TYPE_UD, 0)); + } + + inst->remove(block); + progress = true; + } + if ((inst->conditional_mod == BRW_CONDITIONAL_Z || inst->conditional_mod == BRW_CONDITIONAL_NZ) && inst->dst.is_null() && @@ -2549,6 +2575,28 @@ fs_visitor::opt_algebraic() } break; case BRW_OPCODE_SEL: + if (!devinfo->has_64bit_types && + (inst->dst.type == BRW_REGISTER_TYPE_DF || + inst->dst.type == BRW_REGISTER_TYPE_UQ || + inst->dst.type == BRW_REGISTER_TYPE_Q)) { + assert(inst->dst.type == inst->src[0].type); + assert(!inst->saturate); + assert(!inst->src[0].abs && !inst->src[0].negate); + assert(!inst->src[1].abs && !inst->src[1].negate); + const brw::fs_builder ibld(this, block, inst); + + set_predicate(inst->predicate, + ibld.SEL(subscript(inst->dst, BRW_REGISTER_TYPE_UD, 0), + subscript(inst->src[0], BRW_REGISTER_TYPE_UD, 0), + subscript(inst->src[1], BRW_REGISTER_TYPE_UD, 0))); + set_predicate(inst->predicate, + ibld.SEL(subscript(inst->dst, BRW_REGISTER_TYPE_UD, 1), + subscript(inst->src[0], BRW_REGISTER_TYPE_UD, 1), + subscript(inst->src[1], BRW_REGISTER_TYPE_UD, 1))); + + inst->remove(block); + progress = true; + } if (inst->src[0].equals(inst->src[1])) { inst->opcode = BRW_OPCODE_MOV; inst->src[1] = reg_undef; |