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* ld-powerpc/tocopt.s, * ld-powerpc/tocopt.d: New test. 

* ld-powerpc/powerpc.exp: Run it.
This commit is contained in:
Alan Modra 2010-08-05 14:38:10 +00:00
parent d983b7a0c3
commit b3808325c5
4 changed files with 72 additions and 0 deletions
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5
ld/testsuite/ChangeLog
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@ -1,3 +1,8 @@
2010-08-06 Alan Modra <amodra@gmail.com>
* ld-powerpc/tocopt.s, * ld-powerpc/tocopt.d: New test.
* ld-powerpc/powerpc.exp: Run it.
2010-07-23 Naveen.H.S <naveen.S@kpitcummins.com>
Ina Pandit <ina.pandit@kpitcummins.com>

2
ld/testsuite/ld-powerpc/powerpc.exp
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@ -178,6 +178,8 @@ set ppc64elftests {
"tlsmark"}
{"sym@tocbase" "-shared -melf64ppc" "-a64" {symtocbase-1.s symtocbase-2.s}
{{objdump -dj.data symtocbase.d}} "symtocbase.so"}
{"TOC opt" "-melf64ppc" "-a64" {tocopt.s}
{{objdump -s tocopt.d}} "tocopt"}
}

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ld/testsuite/ld-powerpc/tocopt.d Normal file
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@ -0,0 +1,14 @@
.*: file format .*
Contents of section \.text:
100000b0 60000000 e9228018 60000000 38a28020 .*
100000c0 e8c50000 60000000 3ba08028 7c62e82a .*
100000d0 60000000 39228033 60000000 38a28008 .*
100000e0 e8c50000 60000000 3ba08010 7c62e82a .*
Contents of section \.got:
100100f0 00000000 100180f0 00000000 10010124 .*
10010100 00000000 10010125 00000000 10010120 .*
10010110 00000000 10010121 00000000 10010122 .*
Contents of section \.sdata:
10010120 01020304 0506 .*

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ld/testsuite/ld-powerpc/tocopt.s Normal file
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@ -0,0 +1,51 @@
.section .toc,"aw"
x4t:
.quad x4
x5t:
.quad x5
x6t:
.quad x6
.section .sdata,"aw"
x1:
.byte 1
x2:
.byte 2
x3:
.byte 3
x4:
.byte 4
x5:
.byte 5
x6:
.byte 6
.globl _start
.text
_start:
# no need for got entry, optimise to nop,addi
# note: ld doesn't yet do got optimisation, so we get nop,ld
addis 9,2,x1@got@ha
ld 9,x1@got@l(9)
# must keep got entry, optimise to nop,addi,ld
addis 4,2,x2@got@ha
addi 5,4,x2@got@l
ld 6,0(5)
# must keep got entry, optimise to nop,li,ldx
lis 29,x3@got@ha
addi 29,29,x3@got@l
ldx 3,2,29
# no need for toc entry, optimise to nop,addi
addis 9,2,x4t@toc@ha
ld 9,x4t@toc@l(9)
# must keep toc entry, optimise to nop,addi,ld
# if we had a reloc tying the ld to x5/x5t then we could throw away
# the toc entry and optimise to nop,nop,addi
addis 4,2,x5t@toc@ha
addi 5,4,x5t@toc@l
ld 6,0(5)
# must keep toc entry, optimise to nop,li,ldx
lis 29,x6t@toc@ha
addi 29,29,x6t@toc@l
ldx 3,2,29