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Start implementing Thumb disassembler

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This commit is contained in:
MerryMage
2016-07-07 21:51:47 +08:00
parent f31b530703
commit e5f6450a24
10 changed files with 160 additions and 14 deletions
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6
src/backend_x64/emit_x64.cpp
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@@ -221,7 +221,7 @@ void EmitX64::EmitMostSignificantBit(IR::Value* value_) {
// TODO: Flag optimization
code->SHL(32, R(result), Imm8(31));
code->SHR(32, R(result), Imm8(31));
}
void EmitX64::EmitIsZero(IR::Value* value_) {
@@ -312,11 +312,11 @@ void EmitX64::EmitLogicalShiftRight(IR::Value* value_) {
// TODO: Optimize this.
code->CMP(32, R(shift), Imm8(32));
code->CMP(8, R(shift), Imm8(32));
auto Rs_gt32 = code->J_CC(CC_A);
auto Rs_eq32 = code->J_CC(CC_E);
// if (Rs & 0xFF == 0) goto end;
code->TEST(32, R(shift), R(shift));
code->TEST(8, R(shift), R(shift));
auto Rs_zero = code->J_CC(CC_Z);
// if (Rs & 0xFF < 32) {
code->SHR(32, R(result), R(shift));