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re PR rtl-optimization/38948 (unrecognizable insn, postreload.c:395)

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PR target/38948
	* gcc.dg/torture/pr38948.c: New test.

From-SVN: r152741
This commit is contained in:
Hans-Peter Nilsson 2009-10-14 00:01:37 +00:00 committed by Hans-Peter Nilsson
parent 83907fddfa
commit 26352f4724
2 changed files with 106 additions and 0 deletions
gcc/testsuite
ChangeLog
gcc.dg/torture
pr38948.c

5
gcc/testsuite/ChangeLog

@ -1,3 +1,8 @@
2009-10-14 Hans-Peter Nilsson <hp@axis.com>
PR target/38948
* gcc.dg/torture/pr38948.c: New test.
2009-10-13 Steve Ellcey <sje@cup.hp.com>
* gfortran.dg/vect/fast-math-pr38968.f90: Add timeout.

101
gcc/testsuite/gcc.dg/torture/pr38948.c Normal file

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/* { dg-options "-fno-tree-sra" } */
/* { dg-options "-fno-tree-sra -march=v32" { target cris-*-* } } */
typedef unsigned char byte;
typedef unsigned int uint;
typedef int bool;
typedef struct gs_const_string_s
{
const byte *data;
}
gs_const_string;
struct gs_matrix_s
{
float xx, xy, yx, yy, tx, ty;
};
typedef struct gs_matrix_s gs_matrix;
typedef long fixed;
typedef struct gs_fixed_point_s
{
fixed x, y;
}
gs_fixed_point;
typedef struct gs_matrix_fixed_s
{
int x;
}
gs_matrix_fixed;
static int
append_simple (const byte * glyph, const gs_matrix_fixed * pmat, void * ppath)
{
int numContours =
(int) (((((uint) ((glyph)[0]) << 8) + (glyph)[1]) ^ 0x8000) - 0x8000);
const byte *pends = glyph + 10;
int code = 0;
{
uint i = 0;
uint np = 0;
gs_fixed_point pt = {0};
uint reps = 0;
for (i = 0, np = 0; i < numContours; ++i)
{
bool move = ((bool) 1);
uint last_point =
(((uint) ((pends + i * 2)[0]) << 8) + (pends + i * 2)[1]);
int off_curve = 0;
gs_fixed_point cpoints[3];
for (; np <= last_point; --reps, ++np)
{
if (move)
{
cpoints[0] = pt;
move = ((bool) 0);
}
else
{
switch (off_curve++)
{
default:
cpoints[2].x = ((cpoints[1].x + pt.x) / 2);
cpoints[2].y = ((cpoints[1].y + pt.y) / 2);
code =
gx_path_add_curve_notes (ppath,
((cpoints[0].x +
2 * cpoints[1].x) / 3),
((cpoints[0].y +
2 * cpoints[1].y) / 3),
((2 * cpoints[1].x +
cpoints[2].x) / 3),
((2 * cpoints[1].y +
cpoints[2].y) / 3),
cpoints[2].x, cpoints[2].y,
0);
cpoints[0] = cpoints[2];
case 0:
cpoints[1] = pt;
}
}
}
}
}
}
int
append_outline (uint glyph_index, const gs_matrix_fixed *pmat, void *ppath)
{
gs_const_string glyph_string = {0};
int numContours = 0;
numContours =
(int) (((((uint) ((glyph_string.data)[0]) << 8) +
(glyph_string.data)[1]) ^ 0x8000) - 0x8000);
if (numContours >= 0)
return append_simple (glyph_string.data, pmat, ppath);
{
uint flags = 0;
do
{
gs_matrix_fixed mat = {0};
gs_matrix scale_mat = {0};
gs_matrix_multiply (&scale_mat, (const gs_matrix *) &mat, (gs_matrix *) & mat);
}
while (flags & 32);
}
}