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X32 uses cmp %fs:NN,%esp, lea NN(%rsp),%r10d, lea NN(%rsp),%r11d, instead of cmp %fs:NN,%rsp, lea NN(%rsp),%r10, lea NN(%rsp),%r11. This patch handles it. PR gold/17729 * configure.ac (DEFAULT_TARGET_X86_64): Don't set for x32. (DEFAULT_TARGET_X32): Set for x32. * x86_64.cc (cmp_insn_32): New. (lea_r10_insn_32): Likewise. (lea_r11_insn_32): Likewise. (cmp_insn_64): Likewise. (lea_r10_insn_64): Likewise. (lea_r11_insn_64): Likewise. (Target_x86_64<size>::do_calls_non_split): Handle x32. * testsuite/Makefile.am (check_SCRIPTS): Add split_x32.sh. (check_DATA): Add split_x32 files. (split_x32_[1234n].o): New targets. (split_x32_[124]): New targets. (split_x32_[1234r].stdout): New targets. * testsuite/split_x32.sh: New file. * testsuite/split_x32_1.s: Likewise. * testsuite/split_x32_2.s: Likewise. * testsuite/split_x32_3.s: Likewise. * testsuite/split_x32_4.s: Likewise. * testsuite/split_x32_n.s: Likewise. * configure: Regenerated. * testsuite/Makefile.in: Likewise.
34 lines
441 B
ArmAsm
34 lines
441 B
ArmAsm
# split_x32_1.s: x32 specific test case for -fsplit-stack.
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.text
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.global fn1
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.type fn1,@function
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fn1:
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cmp %fs:0x40,%esp
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jae 1f
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callq __morestack
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retq
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1:
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callq fn2
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retq
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.size fn1,. - fn1
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.global fn2
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.type fn2,@function
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fn2:
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lea -0x200(%rsp),%r10d
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cmp %fs:0x40,%r10d
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jae 1f
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callq __morestack
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retq
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1:
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callq fn1
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retq
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.size fn2,. - fn2
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.section .note.GNU-stack,"",@progbits
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.section .note.GNU-split-stack,"",@progbits
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