EndLoc = Parser.getTok().getEndLoc();
- // If this is "db[0-7]", match it as an alias
- // for dr[0-7].
- if (RegNo == 0 && Tok.getString().size() == 3 &&
- Tok.getString().startswith("db")) {
- switch (Tok.getString()[2]) {
- case '0': RegNo = X86::DR0; break;
- case '1': RegNo = X86::DR1; break;
- case '2': RegNo = X86::DR2; break;
- case '3': RegNo = X86::DR3; break;
- case '4': RegNo = X86::DR4; break;
- case '5': RegNo = X86::DR5; break;
- case '6': RegNo = X86::DR6; break;
- case '7': RegNo = X86::DR7; break;
+ // If this is "db[0-15]", match it as an alias
+ // for dr[0-15].
+ if (RegNo == 0 && Tok.getString().startswith("db")) {
+ if (Tok.getString().size() == 3) {
+ switch (Tok.getString()[2]) {
+ case '0': RegNo = X86::DR0; break;
+ case '1': RegNo = X86::DR1; break;
+ case '2': RegNo = X86::DR2; break;
+ case '3': RegNo = X86::DR3; break;
+ case '4': RegNo = X86::DR4; break;
+ case '5': RegNo = X86::DR5; break;
+ case '6': RegNo = X86::DR6; break;
+ case '7': RegNo = X86::DR7; break;
+ case '8': RegNo = X86::DR8; break;
+ case '9': RegNo = X86::DR9; break;
+ }
+ } else if (Tok.getString().size() == 4 && Tok.getString()[2] == '1') {
+ switch (Tok.getString()[3]) {
+ case '0': RegNo = X86::DR10; break;
+ case '1': RegNo = X86::DR11; break;
+ case '2': RegNo = X86::DR12; break;
+ case '3': RegNo = X86::DR13; break;
+ case '4': RegNo = X86::DR14; break;
+ case '5': RegNo = X86::DR15; break;
+ }
}
if (RegNo != 0) {
mov %rdx, %dr15
// CHECK: movq %rdx, %dr15
// CHECK: encoding: [0x44,0x0f,0x23,0xfa]
+mov %rdx, %db15
+// CHECK: movq %rdx, %db15
+// CHECK: encoding: [0x44,0x0f,0x23,0xfa]
// rdar://8456371 - Handle commutable instructions written backward.
// CHECK: faddp %st(1)