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* gcc.c-torture/execute/20020615-1.c: New test.

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From-SVN: r54650
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Hans-Peter Nilsson 2002-06-15 18:14:50 +00:00 • committed by Hans-Peter Nilsson
parent 8f8c44cb4f
commit 21505616a5
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4
gcc/testsuite/ChangeLog
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@ -1,3 +1,7 @@
2002-06-15 Hans-Peter Nilsson <hp@axis.com>
* gcc.c-torture/execute/20020615-1.c: New test.
2002-06-15 Roger Sayle <roger@eyesopen.com>
* gcc.c-tortuture/execute/compare-1.c: New test case.

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gcc/testsuite/gcc.c-torture/execute/20020615-1.c Normal file
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/* PR target/7042. In cris.md the return pattern and its condition
had a bug uncovered by the combination of saved registers and
filled delay slot, where the delay-slot insn set the
return-value register. Derived from ghostscript-6.52 (GPL)
by hp@axis.com. */
typedef struct font_hints_s {
int axes_swapped;
int x_inverted, y_inverted;
} font_hints;
typedef struct gs_fixed_point_s {
long x, y;
} gs_fixed_point;
int
line_hints(const font_hints *fh, const gs_fixed_point *p0,
const gs_fixed_point *p1)
{
long dx = p1->x - p0->x;
long dy = p1->y - p0->y;
long adx, ady;
int xi = fh->x_inverted, yi = fh->y_inverted;
int hints;
if (xi)
dx = -dx;
if (yi)
dy = -dy;
if (fh->axes_swapped) {
long t = dx;
int ti = xi;
dx = dy, xi = yi;
dy = t, yi = ti;
}
adx = dx < 0 ? -dx : dx;
ady = dy < 0 ? -dy : dy;
if (dy != 0 && (adx <= ady >> 4)) {
hints = dy > 0 ? 2 : 1;
if (xi)
hints ^= 3;
} else if (dx != 0 && (ady <= adx >> 4)) {
hints = dx < 0 ? 8 : 4;
if (yi)
hints ^= 12;
} else
hints = 0;
return hints;
}
int main ()
{
static font_hints fh[] = {{0, 1, 0}, {0, 0, 1}, {0, 0, 0}};
static gs_fixed_point gsf[]
= {{0x30000, 0x13958}, {0x30000, 0x18189},
{0x13958, 0x30000}, {0x18189, 0x30000}};
if (line_hints (fh, gsf, gsf + 1) != 1
|| line_hints (fh + 1, gsf + 2, gsf + 3) != 8
|| line_hints (fh + 2, gsf + 2, gsf + 3) != 4)
abort ();
exit (0);
}