Viewing file:  pr54236-3.c (1.65 KB) -rw-r--r--
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/* Tests to check the utilization of the addc and subc instructions.
If everything works as expected we won't see any movt instructions in
these cases. */
/* { dg-do compile } */
/* { dg-options "-O2" } */
/* { dg-final { scan-assembler-times "addc" 4 } } */
/* { dg-final { scan-assembler-times "subc" 5 } } */
/* { dg-final { scan-assembler-times "movt" 1 } } */
/* { dg-final { scan-assembler-times "sub\t" 1 } } */
/* { dg-final { scan-assembler-times "neg\t" 2 } } */
int
test_000 (int* x, unsigned int c)
{
/* 1x addc */
int s = 0;
unsigned int i;
for (i = 0; i < c; ++i)
s += ! (x[i] & 0x3000);
return s;
}
int
test_001 (int* x, unsigned int c)
{
/* 1x subc */
int s = 0;
unsigned int i;
for (i = 0; i < c; ++i)
s -= ! (x[i] & 0x3000);
return s;
}
int
test_002 (int a, int b, int c)
{
/* 1x tst, 1x subc */
return ((a & b) != 0) - c;
}
int
test_003 (int a, int b, int c)
{
/* 1x tst, 1x movt, 1x sub */
return ((a & b) == 0) - c;
}
int
test_004 (int a, int b, int c)
{
/* 1x tst, 1x addc */
return c - ((a & b) != 0);
}
int
test_005 (int a, int b, int c)
{
/* 1x shll, 1x subc */
int x = a < 0;
return c - (b + x);
}
int
test_006 (int a, int b, int c)
{
/* 1x neg, 1x cmp/pl, 1x addc */
int x = a > 0;
int y = b + x;
return y - c;
}
int
test_007 (int a, int b, int c)
{
/* 1x add #-1, 1x cmp/eq, 1x addc */
int x = a != 1;
int y = b - x;
return c + y;
}
int
test_008 (int a, int b, int c)
{
/* 1x neg, 1x cmp/gt, 1x subc */
int x = a > 1;
int y = b - x;
return c + y;
}
int
test_009 (int a, int b, int c, int d)
{
/* 1x div0s, 1x subc */
return c - d - (a < 0 != b < 0);
}
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