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yaml
---
r: 131796
b: refs/heads/master
c: f72b728
h: refs/heads/master
v: v3
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Mark Nelson authored and Benjamin Herrenschmidt committed Feb 26, 2009
1 parent 0a126af commit 24d7dba
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Showing 2 changed files with 32 additions and 8 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: e423b9ecd6aa434ce9ba72a21fdc61079e620e0a
refs/heads/master: f72b728bf100f276628e378e1fe6c6acd5d09401
38 changes: 31 additions & 7 deletions trunk/arch/powerpc/lib/copyuser_64.S
Original file line number Diff line number Diff line change
Expand Up @@ -62,18 +62,19 @@ END_FTR_SECTION_IFCLR(CPU_FTR_UNALIGNED_LD_STD)
72: std r8,8(r3)
beq+ 3f
addi r3,r3,16
23: ld r9,8(r4)
.Ldo_tail:
bf cr7*4+1,1f
rotldi r9,r9,32
23: lwz r9,8(r4)
addi r4,r4,4
73: stw r9,0(r3)
addi r3,r3,4
1: bf cr7*4+2,2f
rotldi r9,r9,16
44: lhz r9,8(r4)
addi r4,r4,2
74: sth r9,0(r3)
addi r3,r3,2
2: bf cr7*4+3,3f
rotldi r9,r9,8
45: lbz r9,8(r4)
75: stb r9,0(r3)
3: li r3,0
blr
Expand Down Expand Up @@ -141,11 +142,24 @@ END_FTR_SECTION_IFCLR(CPU_FTR_UNALIGNED_LD_STD)
6: cmpwi cr1,r5,8
addi r3,r3,32
sld r9,r9,r10
ble cr1,.Ldo_tail
ble cr1,7f
34: ld r0,8(r4)
srd r7,r0,r11
or r9,r7,r9
b .Ldo_tail
7:
bf cr7*4+1,1f
rotldi r9,r9,32
94: stw r9,0(r3)
addi r3,r3,4
1: bf cr7*4+2,2f
rotldi r9,r9,16
95: sth r9,0(r3)
addi r3,r3,2
2: bf cr7*4+3,3f
rotldi r9,r9,8
96: stb r9,0(r3)
3: li r3,0
blr

.Ldst_unaligned:
PPC_MTOCRF 0x01,r6 /* put #bytes to 8B bdry into cr7 */
Expand Down Expand Up @@ -218,14 +232,16 @@ END_FTR_SECTION_IFCLR(CPU_FTR_UNALIGNED_LD_STD)
121:
132:
addi r3,r3,8
123:
134:
135:
138:
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140:
141:
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123:
144:
145:

/*
* here we have had a fault on a load and r3 points to the first
Expand Down Expand Up @@ -309,6 +325,9 @@ END_FTR_SECTION_IFCLR(CPU_FTR_UNALIGNED_LD_STD)
187:
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196:
1:
ld r6,-24(r1)
ld r5,-8(r1)
Expand All @@ -329,7 +348,9 @@ END_FTR_SECTION_IFCLR(CPU_FTR_UNALIGNED_LD_STD)
.llong 72b,172b
.llong 23b,123b
.llong 73b,173b
.llong 44b,144b
.llong 74b,174b
.llong 45b,145b
.llong 75b,175b
.llong 24b,124b
.llong 25b,125b
Expand All @@ -347,6 +368,9 @@ END_FTR_SECTION_IFCLR(CPU_FTR_UNALIGNED_LD_STD)
.llong 79b,179b
.llong 80b,180b
.llong 34b,134b
.llong 94b,194b
.llong 95b,195b
.llong 96b,196b
.llong 35b,135b
.llong 81b,181b
.llong 36b,136b
Expand Down

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