Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/gcc.dg/torture/mips-hilo-2.c @ 131:84e7813d76e9
gcc-8.2
author | mir3636 |
---|---|
date | Thu, 25 Oct 2018 07:37:49 +0900 |
parents | 04ced10e8804 |
children |
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/* Due to a reload inheritance bug, the asm statement in f() would be passed the low part of u.ll on little-endian 32-bit targets. */ /* { dg-do run { target mips*-*-* } } */ extern void abort (void); extern void exit (int); #if __mips_isa_rev <= 5 unsigned int g; unsigned __attribute__ ((nomips16)) long long f (unsigned int x) { union { unsigned long long ll; unsigned int parts[2]; } u; u.ll = ((unsigned long long) x * x); asm ("mflo\t%0" : "=r" (g) : "l" (u.parts[1])); return u.ll; } #endif int __attribute__ ((nomips16)) main () { #if __mips_isa_rev <= 5 union { unsigned long long ll; unsigned int parts[2]; } u; u.ll = f (0x12345678); if (g != u.parts[1]) abort (); #endif exit (0); }