Viewing file: pr87600-2.c (1.24 KB) -rw-r--r-- Select action/file-type: (+) | (+) | (+) | Code (+) | Session (+) | (+) | SDB (+) | (+) | (+) | (+) | (+) | (+) |
/* PR rtl-optimization/87600 */ /* { dg-do compile { target aarch64*-*-* arm*-*-* i?86-*-* powerpc*-*-* s390*-*-* x86_64-*-* } } */ /* { dg-options "-O2" } */
#include "pr87600.h"
/* The following are all invalid uses of local register variables. */
long test0 (void) { register long var1 asm (REG1); register long var2 asm (REG1); asm ("blah %0 %1" : "=r" (var1), "=r" (var2)); /* { dg-error "invalid hard register usage between output operands" } */ return var1; }
long test1 (void) { register long var1 asm (REG1); register long var2 asm (REG2); asm ("blah %0 %1" : "=r" (var1) : "0" (var2)); /* { dg-error "invalid hard register usage between output operand and matching constraint operand" } */ return var1; }
long test2 (void) { register long var1 asm (REG1); register long var2 asm (REG1); asm ("blah %0 %1" : "=&r" (var1) : "r" (var2)); /* { dg-error "invalid hard register usage between earlyclobber operand and input operand" } */ return var1; }
long test3 (void) { register long var1 asm (REG1); register long var2 asm (REG1); long var3; asm ("blah %0 %1" : "=&r" (var1), "=r" (var3) : "1" (var2)); /* { dg-error "invalid hard register usage between earlyclobber operand and input operand" } */ return var1 + var3; }
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