diff options
Diffstat (limited to 'backend/src/backend/gen75_encoder.cpp')
| -rw-r--r-- | backend/src/backend/gen75_encoder.cpp | 22 |
1 files changed, 15 insertions, 7 deletions
diff --git a/backend/src/backend/gen75_encoder.cpp b/backend/src/backend/gen75_encoder.cpp index 321e07b..724865b 100644 --- a/backend/src/backend/gen75_encoder.cpp +++ b/backend/src/backend/gen75_encoder.cpp @@ -254,17 +254,25 @@ namespace gbe insn.header.opcode == GEN_OPCODE_ENDIF || insn.header.opcode == GEN_OPCODE_IF || insn.header.opcode == GEN_OPCODE_BRC || + insn.header.opcode == GEN_OPCODE_WHILE || insn.header.opcode == GEN_OPCODE_ELSE); - if (insn.header.opcode == GEN_OPCODE_IF) { - this->setSrc1(&insn, GenRegister::immd(jumpDistance)); - return; + if( insn.header.opcode == GEN_OPCODE_WHILE ){ + // if this WHILE instruction jump back to an ELSE instruction, + // need add distance to go to the next instruction. + GenNativeInstruction & insn_else = *(GenNativeInstruction *)&this->store[insnID+jumpDistance]; + if(insn_else.header.opcode == GEN_OPCODE_ELSE){ + jumpDistance += 2; + } } - else if (insn.header.opcode == GEN_OPCODE_JMPI) { - //jumpDistance'unit is Qword, and the HSW's offset of jmpi is in byte, so multi 8 + + if (insn.header.opcode != GEN_OPCODE_JMPI) + this->setSrc1(&insn, GenRegister::immd(jumpDistance)); + else { + //jumpDistance'unit is Qword, and the HSW's JMPI offset of jmpi is in byte, so multi 8 jumpDistance = (jumpDistance - 2) * 8; + this->setSrc1(&insn, GenRegister::immd(jumpDistance)); } - - this->setSrc1(&insn, GenRegister::immd(jumpDistance)); + return; } } /* End of the name space. */ |