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authorChris Lattner <sabre@nondot.org>2005-04-12 15:12:51 +0000
committerChris Lattner <sabre@nondot.org>2005-04-12 15:12:51 +0000
commit9c24ba642e30ddfd6d4cd508d71b47060aff51a6 (patch)
tree0e558e212a89543490a1d960f3c247beaddfa20b
parentea6f770fb04ceeab7388a3bea217183ce2344cc7 (diff)
Put out* into the allocation order, allowing the register allocator to
coallesce moves into outgoing args. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21249 91177308-0d34-0410-b5e6-96231b3b80d8
-rw-r--r--lib/Target/IA64/IA64RegisterInfo.td7
1 files changed, 3 insertions, 4 deletions
diff --git a/lib/Target/IA64/IA64RegisterInfo.td b/lib/Target/IA64/IA64RegisterInfo.td
index f67bc00e23..be2adb347d 100644
--- a/lib/Target/IA64/IA64RegisterInfo.td
+++ b/lib/Target/IA64/IA64RegisterInfo.td
@@ -249,14 +249,13 @@ def GR : RegisterClass<i64, 64,
r104, r105, r106, r107, r108, r109, r110, r111,
r112, r113, r114, r115, r116, r117, r118, r119,
r120, r121, r122, r123, r124, r125, r126, r127,
- r0, r1, r2, r12, r13, r15, r22,
out0, out1, out2, out3,
- out4, out5, out6, out7]> // these last 15 are special (look down)
-
+ out4, out5, out6, out7,
+ r0, r1, r2, r12, r13, r15, r22]> // these last 7 are special (look down)
{
let Methods = [{
iterator allocation_order_end(MachineFunction &MF) const {
- int numReservedRegs=15; // the 15 special registers r0,r1,r2,r12,r13 etc
+ int numReservedRegs=7; // the 15 special registers r0,r1,r2,r12,r13 etc
// we also can't allocate registers for use as locals if they're
// already required as 'out' registers
numReservedRegs+=MF.getInfo<IA64FunctionInfo>()->outRegsUsed;