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Index: gcc/ChangeLog
[pf3gnuchains/gcc-fork.git]
/
gcc
/
testsuite
/
gcc.dg
/
i386-signbit-1.c
1
/* PR optimization/8746 */
2
/* { dg-do run { target i?86-*-* } } */
3
/* { dg-skip-if "" { i?86-*-* } { "-m64" } { "" } } */
4
/* { dg-options "-O1 -mtune=i586" } */
5
6
extern void abort (void);
7
8
unsigned char r0;
9
10
int foo(int x)
11
{
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unsigned char r = x&0xf0;
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if (!(r&0x80))
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{
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r0 = r;
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return 0;
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}
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else
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return 1;
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}
22
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int main(void)
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{
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if (foo(0x80) != 1)
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abort();
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return 0;
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}