68fcca92b7
2014-10-22 Tejas Belagod <tejas.belagod@arm.com> bfd/ * bfd-in.h (bfd_elf64_aarch64_set_options): Add a parameter. * bfd-in2.h (bfd_elf64_aarch64_set_options): Likewise. * elfnn-aarch64.c (aarch64_erratum_835769_stub): New. (elf_aarch64_stub_type): Add new type aarch64_stub_erratum_835769_veneer. (elf_aarch64_stub_hash_entry): New fields for erratum 835769. (aarch64_erratum_835769_fix): New data struct to record erratum 835769. (elf_aarch64_link_hash_table: Global flags for 835769. (aarch64_build_one_stub): Add case for 835769. (aarch64_size_one_stub): Likewise. (aarch64_mem_op_p, aarch64_mlxl_p, aarch64_erratum_sequence,erratum_835769_scan): New. Decode and scan functions for erratum 835769. (elf_aarch64_create_or_find_stub_sec): New. (elfNN_aarch64_size_stubs): Look for erratum 835769 and record them. (bfd_elfNN_aarch64_set_options: Set global flag for 835769. (erratum_835769_branch_to_stub_data, make_branch_to_erratum_835769_stub):New. Connect up all the erratum stubs to occurances by branches. (elfNN_aarch64_write_section): New hook. (aarch64_map_one_stub): Output erratum stub symbol. (elfNN_aarch64_size_dynamic_sections): Init mapping symbol information for erratum 835769. (elf_backend_write_section): Define. ld/ * emultempl/aarch64elf.em: Add command-line option for erratum 835769. ld/testsuite/ * ld-aarch64/aarch64-elf.exp (aarch64elftests): Drive erratum 835769 tests. * ld-aarch64/erratum835769.d: New. * ld-aarch64/erratum835769.s: New.
75 lines
1.3 KiB
ArmAsm
75 lines
1.3 KiB
ArmAsm
.text
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.align 2
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.global main
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.type main, %function
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main:
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stp x29, x30, [sp, -32]!
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add x29, sp, 0
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mov x0, -26
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str x0, [x29,16]
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mov x0, 26
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str x0, [x29,24]
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add x4, x29, 16
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mov x0, -1
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mov x1, 2
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mov x2, -3
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mov x3, 4
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bl a1ldr
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add x4, x29, 16
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mov x0, -1
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mov x1, 2
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mov x2, -3
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mov x3, 4
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bl a5ldr
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mov w0, 0
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ldp x29, x30, [sp], 32
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ret
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.size main, .-main
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.align 2
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.global a1ldr
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.type a1ldr, %function
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a1ldr:
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ldr w7, [x4,8]!
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mul w6, w0, w1
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ldr x4, [x4]
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madd x5, x2, x3, x6
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mov x0, x5
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ret
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.size a1ldr, .-a1ldr
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.align 2
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.global a5ldr
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.type a5ldr, %function
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a5ldr:
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ldr w7, [x4,8]!
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mul w6, w0, w1
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ldr x4, [x4]
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umaddl x5, w2, w3, x6
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mov x0, x5
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ret
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.size a5ldr, .-a5ldr
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.align 2
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.global a6ldr
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.type a6ldr, %function
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a6ldr:
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ldr w7, [x4,8]!
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mul w6, w0, w1
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ldr x4, [x4]
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madd x5, x4, x3, x6
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mov x0, x5
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ret
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.size a6ldr, .-a6ldr
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.align 2
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.global a6ldr
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.type a6ldr, %function
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a7str:
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ldr w7, [x4,8]!
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mul w6, w0, w1
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str x4, [x4]
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madd x5, x4, x3, x6
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mov x0, x5
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ret
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.size a7str, .-a7str
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