diff options
| -rw-r--r-- | lib/Target/IA64/IA64RegisterInfo.td | 22 |
1 files changed, 19 insertions, 3 deletions
diff --git a/lib/Target/IA64/IA64RegisterInfo.td b/lib/Target/IA64/IA64RegisterInfo.td index d50f8f43ed..60cdf991a2 100644 --- a/lib/Target/IA64/IA64RegisterInfo.td +++ b/lib/Target/IA64/IA64RegisterInfo.td @@ -226,7 +226,6 @@ def B6 : GR<0, "b6">; // // these are the scratch (+stacked) general registers -// ZERO (r0), GP (r1), SP (r12), ThreadP (r13) are not here... // FIXME/XXX we also reserve a frame pointer (r15) // FIXME/XXX we also reserve r2 for spilling/filling predicates // in IA64RegisterInfo.cpp @@ -283,7 +282,6 @@ def GR : RegisterClass<"IA64", i64, 64, // these are the scratch (+stacked) FP registers -// ZERO (F0) and ONE (F1) are not here def FP : RegisterClass<"IA64", f64, 64, [F6, F7, F8, F9, F10, F11, F12, F13, F14, F15, @@ -298,7 +296,25 @@ def FP : RegisterClass<"IA64", f64, 64, F96, F97, F98, F99, F100, F101, F102, F103, F104, F105, F106, F107, F108, F109, F110, F111, F112, F113, F114, F115, F116, F117, F118, F119, - F120, F121, F122, F123, F124, F125, F126, F127]>; + F120, F121, F122, F123, F124, F125, F126, F127, + F0, F1]> // these last two are hidden + { + let MethodProtos = [{ + iterator allocation_order_begin(MachineFunction &MF) const; + iterator allocation_order_end(MachineFunction &MF) const; + }]; + let MethodBodies = [{ + FPClass::iterator + FPClass::allocation_order_begin(MachineFunction &MF) const { + return begin(); // we don't hide any FP regs from the start + } + + FPClass::iterator + FPClass::allocation_order_end(MachineFunction &MF) const { + return end()-2; // we hide regs F0, F1 from the end + } + }]; +} // these are the predicate registers, p0 (1/TRUE) is not here def PR : RegisterClass<"IA64", i1, 64, |