diff options
Diffstat (limited to 'lib/Target/ARM/ARMRegisterInfo.td')
| -rw-r--r-- | lib/Target/ARM/ARMRegisterInfo.td | 22 |
1 files changed, 6 insertions, 16 deletions
diff --git a/lib/Target/ARM/ARMRegisterInfo.td b/lib/Target/ARM/ARMRegisterInfo.td index e41d9fc26a..b7e609426c 100644 --- a/lib/Target/ARM/ARMRegisterInfo.td +++ b/lib/Target/ARM/ARMRegisterInfo.td @@ -386,14 +386,9 @@ def tcGPR : RegisterClass<"ARM", [i32], 32, [R0, R1, R2, R3, R9, R12]> { return ARM_GPR_NOR9_TC; else return ARM_GPR_R9_TC; - } else { - if (Subtarget.isR9Reserved()) - return ARM_GPR_NOR9_TC; - else if (Subtarget.isThumb()) - return ARM_GPR_R9_TC; - else - return ARM_GPR_R9_TC; - } + } else + // R9 is either callee-saved or reserved; can't use it. + return ARM_GPR_NOR9_TC; } tcGPRClass::iterator @@ -412,14 +407,9 @@ def tcGPR : RegisterClass<"ARM", [i32], 32, [R0, R1, R2, R3, R9, R12]> { I = ARM_GPR_NOR9_TC + (sizeof(ARM_GPR_NOR9_TC)/sizeof(unsigned)); else I = ARM_GPR_R9_TC + (sizeof(ARM_GPR_R9_TC)/sizeof(unsigned)); - } else { - if (Subtarget.isR9Reserved()) - I = ARM_GPR_NOR9_TC + (sizeof(ARM_GPR_NOR9_TC)/sizeof(unsigned)); - else if (Subtarget.isThumb()) - I = ARM_GPR_R9_TC + (sizeof(ARM_GPR_R9_TC)/sizeof(unsigned)); - else - I = ARM_GPR_R9_TC + (sizeof(ARM_GPR_R9_TC)/sizeof(unsigned)); - } + } else + // R9 is either callee-saved or reserved; can't use it. + I = ARM_GPR_NOR9_TC + (sizeof(ARM_GPR_NOR9_TC)/sizeof(unsigned)); return I; } }]; |