diff options
-rw-r--r-- | backend/src/backend/gen_insn_scheduling.cpp | 4 | ||||
-rw-r--r-- | backend/src/backend/gen_insn_selection.cpp | 14 | ||||
-rw-r--r-- | backend/src/backend/gen_insn_selection.hpp | 2 |
3 files changed, 18 insertions, 2 deletions
diff --git a/backend/src/backend/gen_insn_scheduling.cpp b/backend/src/backend/gen_insn_scheduling.cpp index a0a25944..f3ed4b03 100644 --- a/backend/src/backend/gen_insn_scheduling.cpp +++ b/backend/src/backend/gen_insn_scheduling.cpp @@ -379,7 +379,7 @@ namespace gbe } // Track writes in accumulators - if (insn.state.accWrEnable) { + if (insn.modAcc()) { const uint32_t index = this->getIndex(GenRegister::acc()); this->nodes[index] = node; } @@ -517,7 +517,7 @@ namespace gbe tracker.addDependency(node, getFlag(insn), WRITE_AFTER_WRITE); // write-after-write for accumulators - if (insn.state.accWrEnable) + if (insn.modAcc()) tracker.addDependency(node, GenRegister::acc(), WRITE_AFTER_WRITE); // write-after-write in memory diff --git a/backend/src/backend/gen_insn_selection.cpp b/backend/src/backend/gen_insn_selection.cpp index 45cd1198..0e33f5d6 100644 --- a/backend/src/backend/gen_insn_selection.cpp +++ b/backend/src/backend/gen_insn_selection.cpp @@ -189,6 +189,20 @@ namespace gbe this->opcode == SEL_OP_DWORD_GATHER; } + bool SelectionInstruction::modAcc(void) const { + return this->opcode == SEL_OP_I64SUB || + this->opcode == SEL_OP_I64ADD || + this->opcode == SEL_OP_MUL_HI || + this->opcode == SEL_OP_HADD || + this->opcode == SEL_OP_RHADD || + this->opcode == SEL_OP_I64MUL || + this->opcode == SEL_OP_I64_MUL_HI || + this->opcode == SEL_OP_I64MADSAT || + this->opcode == SEL_OP_I64DIV || + this->opcode == SEL_OP_I64REM || + this->opcode == SEL_OP_MACH; + } + bool SelectionInstruction::isWrite(void) const { return this->opcode == SEL_OP_UNTYPED_WRITE || this->opcode == SEL_OP_WRITE64 || diff --git a/backend/src/backend/gen_insn_selection.hpp b/backend/src/backend/gen_insn_selection.hpp index 7fef11f5..8bffb167 100644 --- a/backend/src/backend/gen_insn_selection.hpp +++ b/backend/src/backend/gen_insn_selection.hpp @@ -77,6 +77,8 @@ namespace gbe bool isRead(void) const; /*! Does it write memory? */ bool isWrite(void) const; + /*! Does it modify the acc register. */ + bool modAcc(void) const; /*! Is it a branch instruction (i.e. modify control flow) */ bool isBranch(void) const; /*! Is it a label instruction (i.e. change the implicit mask) */ |