Viewing file:  bt-6.c (1.16 KB) -rw-r--r--
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/* PR rtl-optimization/46235 */
/* { dg-do compile } */
/* { dg-options "-O2 -mtune=core2" } */
unsigned char set1_bb (unsigned char x, int y)
{
return (x & (1<<y)) != 0;
}
unsigned char set2_bb (unsigned char x, int y)
{
return (x >> y) & 1;
}
unsigned char set1_wb (int x, int y)
{
return (x & (1<<y)) != 0;
}
unsigned char set2_wb (int x, int y)
{
return (x >> y) & 1;
}
unsigned char clr1_bb (unsigned char x, int y)
{
return (x & (1<<y)) == 0;
}
unsigned char clr2_bb (unsigned char x, int y)
{
return !((x >> y) & 1);
}
unsigned char clr1_wb (int x, int y)
{
return (x & (1<<y)) == 0;
}
unsigned char clr2_wb (int x, int y)
{
return !((x >> y) & 1);
}
int clr1_bw (unsigned char x, int y)
{
return (x & (1<<y)) == 0;
}
int clr2_bw (unsigned char x, int y)
{
return !((x >> y) & 1);
}
int clr1_ww (int x, int y)
{
return (x & (1<<y)) == 0;
}
int clr2_ww (int x, int y)
{
return !((x >> y) & 1);
}
/* { dg-final { scan-assembler-times "bt\[lq\]\[ \t\]" 12 } } */
/* { dg-final { scan-assembler-not "sar\[lq\]\[ \t\]" } } */
/* { dg-final { scan-assembler-not "and\[lq\]\[ \t\]" } } */
/* { dg-final { scan-assembler-not "not\[lq\]\[ \t\]" } } */
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