40 lines
507 B
C
40 lines
507 B
C
/* PR optimization/11304 */
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/* Originator: <manuel.serrano@sophia.inria.fr> */
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/* { dg-do run } */
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/* { dg-options "-O -fomit-frame-pointer" } */
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/* Verify that %eax is always restored after a call. */
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extern void abort(void);
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volatile int r;
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void set_eax(int val)
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{
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__asm__ __volatile__ ("mov %0, %%eax" : : "m" (val));
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}
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void foo(int val)
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{
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r = val;
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}
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int bar(int x)
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{
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if (x)
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{
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set_eax(0);
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return x;
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}
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foo(x);
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}
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int main(void)
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{
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if (bar(1) != 1)
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abort();
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return 0;
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}
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