9852805258
bfd/ * elf64-ppc.c (struct ppc64_elf_obj_tdata): Add ha_relocs_not_using_r2. (ppc64_elf_edit_toc): Check HA relocs. (ha_reloc_match): Delete function. (ppc64_elf_relocate_section): Remove delayed HA nop optimization. Instead do it and low part optimization based on ha_relocs_not_using_r2. ld/testsuite/ * ld-powerpc/tocopt.d: Update. * ld-powerpc/tocopt5.d, * ld-powerpc/tocopt5.s: New test. * ld-powerpc/powerpc.exp: Run new test.
43 lines
742 B
ArmAsm
43 lines
742 B
ArmAsm
.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)
|
|
|
|
# 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)
|