зеркало из https://github.com/microsoft/clang.git
60 строки
1.8 KiB
C
60 строки
1.8 KiB
C
// RUN: %clang_cc1 -triple x86_64-unknown-unknown -emit-llvm %s -o - | FileCheck %s
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unsigned long long foo(unsigned long long addr, unsigned long long a0,
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unsigned long long a1, unsigned long long a2,
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unsigned long long a3, unsigned long long a4,
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unsigned long long a5) {
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register unsigned long long result asm("rax");
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register unsigned long long b0 asm("rdi");
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register unsigned long long b1 asm("rsi");
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register unsigned long long b2 asm("rdx");
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register unsigned long long b3 asm("rcx");
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register unsigned long long b4 asm("r8");
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register unsigned long long b5 asm("r9");
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b0 = a0;
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b1 = a1;
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b2 = a2;
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b3 = a3;
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b4 = a4;
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b5 = a5;
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asm("call *%1" : "=r" (result)
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: "r"(addr), "r" (b0), "r" (b1), "r" (b2), "r" (b3), "r" (b4), "r" (b5));
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return result;
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}
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// CHECK: call i64 asm "call *$1", "={rax},r,{rdi},{rsi},{rdx},{rcx},{r8},{r9},~{dirflag},~{fpsr},~{flags}"
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unsigned long long foo2(unsigned long long addr, double a0,
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double a1, double a2,
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double a3, double a4,
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double a5, double a6, double a7) {
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register double b0 asm("xmm0");
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register double b1 asm("xmm1");
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register double b2 asm("xmm2");
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register double b3 asm("xmm3");
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register double b4 asm("xmm4");
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register double b5 asm("xmm5");
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register double b6 asm("xmm6");
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register double b7 asm("xmm7");
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register unsigned long long result asm("rax");
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b0 = a0;
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b1 = a1;
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b2 = a2;
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b3 = a3;
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b4 = a4;
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b5 = a5;
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b6 = a6;
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b7 = a7;
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asm("call *%1" : "=r" (result)
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: "r"(addr), "x" (b0), "x" (b1), "x" (b2), "x" (b3), "x" (b4), "x" (b5), "x" (b6),
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"x" (b7));
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return result;
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}
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// CHECK: call i64 asm "call *$1", "={rax},r,{xmm0},{xmm1},{xmm2},{xmm3},{xmm4},{xmm5},{xmm6},{xmm7},~{dirflag},~{fpsr},~{flags}
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