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44 lines
943 B
44 lines
943 B
/*
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* Copyright 2002-2019 Intel Corporation.
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*
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* This software is provided to you as Sample Source Code as defined in the accompanying
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* End User License Agreement for the Intel(R) Software Development Products ("Agreement")
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* section 1.L.
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*
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* This software and the related documents are provided as is, with no express or implied
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* warranties, other than those that are expressly stated in the License.
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*/
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.intel_syntax noprefix
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.data
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.align 16
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a1:
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.long 0xdeadbeef
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.long 0xfeedfeed
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.text
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.globl clobberRegs
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.type clobberRegs, function
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clobberRegs:
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mov rax, 0xdeadbeef
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mov rcx, 0xdeadbeef
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mov rdx, 0xdeadbeef
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mov rsi, 0xdeadbeef
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mov rdi, 0xdeadbeef
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mov r8, 0xdeadbeef
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mov r9, 0xdeadbeef
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mov r10, 0xdeadbeef
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mov r11, 0xdeadbeef
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movaps xmm0,[rip+a1]
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# to prevent the clobbers from being optimized
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add rax, rcx
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add rax, rdx
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add rax, rsi
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add rax, rdi
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add rax, r8
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add rax, r9
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add rax, r10
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add rax, r11
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ret
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