[tree-ssa] bootstrap failure on ppc-apple-darwin6.6

[Andrew Pinski]

Here is the diff of the two asm (of cppexp.c where the problem is 
found),
temp is the one compiled with stage2, and temp1 is the one compiled 
with stage1:
--- temp/cppexp.s	Wed May 21 02:07:54 2003
+++ temp1/cppexp.s	Wed May 21 02:08:40 2003
@@ -3648,12 +3648,11 @@
  	stw r7,40(r1)
  	stw r9,48(r1)
  	stw r10,52(r1)
-	lwz r11,64(r1)
+	lwz r11,56(r1)
  	.stabd	68,0,1140
  	bne- cr7,L597
-	lwz r0,56(r1)
-	addic r7,r0,-1
-	subfe r2,r7,r0
+	addic r7,r11,-1
+	subfe r2,r7,r11
  L597:
  	.stabd	68,0,1144
  	cmpwi cr7,r11,9
@@ -3722,7 +3721,7 @@
  	.stabs	"pfile:P(1,2)",64,0,1135,4
  	.stabs	"lhs:p(60,56)",160,0,1136,32
  	.stabs	"rhs:p(60,56)",160,0,1136,48
-	.stabs	"op:p(60,18)",160,0,1137,64
+	.stabs	"op:p(60,18)",160,0,1137,56
  	.stabs	"op:r(60,18)",64,0,1137,11
  	.align 2
  _num_inequality_op:
@@ -3748,16 +3747,14 @@
  	stw r8,140(r1)
  	stw r9,144(r1)
  	stw r10,148(r1)
+	lwz r30,152(r1)
  	.stabd	68,0,1170
  	lwz r0,440(r4)
  	mr r4,r6
-	.stabd	68,0,1169
-	lwz r30,160(r1)
-	.stabd	68,0,1170
  	mr r6,r8
-	lwz r9,152(r1)
  	mr r8,r10
  	lwz r10,156(r1)
+	mr r9,r30
  	stw r0,56(r1)
  	bl _num_greater_eq
  	.stabd	68,0,1172
@@ -3873,7 +3870,7 @@
  	.stabs	"pfile:P(1,2)",64,0,1166,4
  	.stabs	"lhs:p(60,56)",160,0,1167,128
  	.stabs	"rhs:p(60,56)",160,0,1167,144
-	.stabs	"op:p(60,18)",160,0,1168,160
+	.stabs	"op:p(60,18)",160,0,1168,152
  	.stabs	"gte:r(0,20)",64,0,1170,3
  	.stabs	"op:r(60,18)",64,0,1168,30
  	.align 2
@@ -3896,7 +3893,7 @@
  	.stabd	68,0,1195
  	bne- cr0,L630
  	.stabd	68,0,1196
-	lwz r0,64(r1)
+	lwz r0,56(r1)
  	.stabd	68,0,1195
  	mr r5,r4
  	.stabd	68,0,1196
@@ -3922,7 +3919,7 @@
  	subfic r0,r4,0
  	adde r4,r0,r4
  	.stabd	68,0,1196
-	lwz r0,64(r1)
+	lwz r0,56(r1)
  	.stabd	68,0,1195
  	mr r5,r4
  	.stabd	68,0,1196
@@ -3949,7 +3946,7 @@
  	.stabs	"pfile:P(1,2)",64,0,1190,4
  	.stabs	"lhs:p(60,56)",160,0,1191,32
  	.stabs	"rhs:p(60,56)",160,0,1191,48
-	.stabs	"op:p(60,18)",160,0,1192,64
+	.stabs	"op:p(60,18)",160,0,1192,56
  	.stabs	"eq:r(0,20)",64,0,1195,5
  	.stabs	"op:r(60,18)",64,0,1192,0
  	.align 2
@@ -4448,7 +4445,7 @@
  	mr r29,r6
  	stwu r1,-128(r1)
  	mr r11,r7
-	lwz r30,192(r1)
+	lwz r30,184(r1)
  	mr r28,r8
  	stw r9,176(r1)
  	.stabd	68,0,1406
@@ -4817,7 +4814,7 @@
  	.stabs	"pfile:P(1,2)",64,0,1330,4
  	.stabs	"lhs:p(60,56)",160,0,1331,160
  	.stabs	"rhs:p(60,56)",160,0,1331,176
-	.stabs	"op:p(60,18)",160,0,1332,192
+	.stabs	"op:p(60,18)",160,0,1332,184
  	.stabs	"result:(60,56)",128,0,1334,80
  	.stabs	"precision:r(7,2)",64,0,1335,26
  	.stabs	"gte:r(0,20)",64,0,1336,3
@@ -5373,7 +5370,7 @@
  	bne+ cr7,L826
  L808:
  	.stabd	68,0,1572
-	lwz r0,224(r1)
+	lwz r0,216(r1)
  	cmpwi cr7,r0,7
  	beq- cr7,L827
  	.stabd	68,0,1590
@@ -5551,7 +5548,7 @@
  	.stabs	"pfile:P(1,2)",64,0,1498,28
  	.stabs	"lhs:p(60,56)",160,0,1499,192
  	.stabs	"rhs:p(60,56)",160,0,1499,208
-	.stabs	"op:p(60,18)",160,0,1500,224
+	.stabs	"op:p(60,18)",160,0,1500,216
  	.stabs	"result:(60,56)",128,0,1502,80
  	.stabs	"sub:(60,56)",128,0,1502,96
  	.stabs	"mask:r(60,55)",64,0,1503,0

As you can see that it is really only loads that are different, why I 
do not know, can someone help me here, I have the rtl dumps, as the 
tree dumps are the same (minus different names for the labels).

Thanks,
Andrew Pinski