diff options
Diffstat (limited to 'ld')
-rw-r--r-- | ld/testsuite/ChangeLog | 5 | ||||
-rw-r--r-- | ld/testsuite/ld-powerpc/powerpc.exp | 2 | ||||
-rw-r--r-- | ld/testsuite/ld-powerpc/tocopt.d | 14 | ||||
-rw-r--r-- | ld/testsuite/ld-powerpc/tocopt.s | 51 |
4 files changed, 72 insertions, 0 deletions
diff --git a/ld/testsuite/ChangeLog b/ld/testsuite/ChangeLog index b407ab6..f5b05fa 100644 --- a/ld/testsuite/ChangeLog +++ b/ld/testsuite/ChangeLog @@ -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> diff --git a/ld/testsuite/ld-powerpc/powerpc.exp b/ld/testsuite/ld-powerpc/powerpc.exp index 9d0207f..6cb797e 100644 --- a/ld/testsuite/ld-powerpc/powerpc.exp +++ b/ld/testsuite/ld-powerpc/powerpc.exp @@ -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"} } diff --git a/ld/testsuite/ld-powerpc/tocopt.d b/ld/testsuite/ld-powerpc/tocopt.d new file mode 100644 index 0000000..9168661 --- /dev/null +++ b/ld/testsuite/ld-powerpc/tocopt.d @@ -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 .* diff --git a/ld/testsuite/ld-powerpc/tocopt.s b/ld/testsuite/ld-powerpc/tocopt.s new file mode 100644 index 0000000..a2447ca --- /dev/null +++ b/ld/testsuite/ld-powerpc/tocopt.s @@ -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 |