diff options
Diffstat (limited to 'lib/Target/ARM/ARMRegisterInfo.td')
| -rw-r--r-- | lib/Target/ARM/ARMRegisterInfo.td | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/lib/Target/ARM/ARMRegisterInfo.td b/lib/Target/ARM/ARMRegisterInfo.td index 77414108aa..76eb496bde 100644 --- a/lib/Target/ARM/ARMRegisterInfo.td +++ b/lib/Target/ARM/ARMRegisterInfo.td @@ -228,6 +228,9 @@ def rGPR : RegisterClass<"ARM", [i32], 32, (sub GPR, SP, PC)> { // the general GPR register class above (MOV, e.g.) def tGPR : RegisterClass<"ARM", [i32], 32, (trunc GPR, 8)>; +// The high registers in thumb mode, R8-R15. +def hGPR : RegisterClass<"ARM", [i32], 32, (sub GPR, tGPR)>; + // For tail calls, we can't use callee-saved registers, as they are restored // to the saved value before the tail call, which would clobber a call address. // Note, getMinimalPhysRegClass(R0) returns tGPR because of the names of |