From: Chris Lattner <sabre@nondot.org>
Date: Tue, 12 Apr 2005 15:12:51 +0000 (+0000)
Subject: Put out* into the allocation order, allowing the register allocator to
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=9c24ba642e30ddfd6d4cd508d71b47060aff51a6;p=oota-llvm.git

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
---

diff --git a/lib/Target/IA64/IA64RegisterInfo.td b/lib/Target/IA64/IA64RegisterInfo.td
index f67bc00e23f..be2adb347d6 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;