Merge pull request #4125 from lioncash/macro-shift

macro_jit_x64: Amend readability of Compile_ExtractShiftLeftRegister()
master
merry 2020-06-20 16:08:23 +07:00 committed by GitHub
commit 928e9c09aa
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1 changed files with 7 additions and 6 deletions

@ -239,10 +239,10 @@ void MacroJITx64Impl::Compile_ExtractInsert(Macro::Opcode opcode) {
}
void MacroJITx64Impl::Compile_ExtractShiftLeftImmediate(Macro::Opcode opcode) {
auto dst = Compile_GetRegister(opcode.src_a, eax);
auto src = Compile_GetRegister(opcode.src_b, RESULT);
const auto dst = Compile_GetRegister(opcode.src_a, eax);
const auto src = Compile_GetRegister(opcode.src_b, RESULT);
shr(src, al);
shr(src, dst.cvt8());
if (opcode.bf_size != 0 && opcode.bf_size != 31) {
and_(src, opcode.GetBitfieldMask());
} else if (opcode.bf_size == 0) {
@ -258,8 +258,8 @@ void MacroJITx64Impl::Compile_ExtractShiftLeftImmediate(Macro::Opcode opcode) {
}
void MacroJITx64Impl::Compile_ExtractShiftLeftRegister(Macro::Opcode opcode) {
auto dst = Compile_GetRegister(opcode.src_a, eax);
auto src = Compile_GetRegister(opcode.src_b, RESULT);
const auto dst = Compile_GetRegister(opcode.src_a, eax);
const auto src = Compile_GetRegister(opcode.src_b, RESULT);
if (opcode.bf_src_bit != 0) {
shr(src, opcode.bf_src_bit);
@ -268,7 +268,8 @@ void MacroJITx64Impl::Compile_ExtractShiftLeftRegister(Macro::Opcode opcode) {
if (opcode.bf_size != 31) {
and_(src, opcode.GetBitfieldMask());
}
shl(src, al);
shl(src, dst.cvt8());
Compile_ProcessResult(opcode.result_operation, opcode.dst);
}