53 lines
1.0 KiB
C
53 lines
1.0 KiB
C
/* PR rtl-optimization/87600 */
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/* { dg-do compile { target aarch64*-*-* arm*-*-* i?86-*-* powerpc*-*-* s390*-*-* x86_64-*-* } } */
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/* { dg-options "-O2" } */
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#include "pr87600.h"
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/* The following are all valid uses of local register variables. */
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long
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test0 (long arg)
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{
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register long var asm (REG1);
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asm ("blah %0 %1" : "+&r" (var) : "r" (arg));
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return var;
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}
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long
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test1 (long arg0, long arg1)
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{
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register long var asm (REG1);
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asm ("blah %0, %1, %2" : "=&r" (var) : "r" (arg0), "0" (arg1));
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return var + arg1;
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}
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long
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test2 (void)
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{
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register long var1 asm (REG1);
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register long var2 asm (REG1);
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asm ("blah %0 %1" : "=&r" (var1) : "0" (var2));
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return var1;
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}
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long
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test3 (void)
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{
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register long var1 asm (REG1);
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register long var2 asm (REG2);
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long var3;
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asm ("blah %0 %1" : "=&r" (var1), "=r" (var3) : "1" (var2));
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return var1 + var3;
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}
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long
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test4 (void)
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{
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register long var1 asm (REG1);
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register long var2 asm (REG2);
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register long var3 asm (REG2);
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asm ("blah %0 %1" : "=&r" (var1), "=r" (var2) : "1" (var3));
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return var1;
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}
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