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ifc-20040816-2.c: Use integer arithmetic instead of floating point arithmetic, which could trap.

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* gcc.dg/tree-ssa/ifc-20040816-2.c: Use integer arithmetic instead
	of floating point arithmetic, which could trap.

Co-Authored-By: Devang Patel <dpatel@apple.com>

From-SVN: r89313
This commit is contained in:
Ben Elliston 2004-10-20 01:29:57 +00:00 committed by Ben Elliston
parent dd36515796
commit c09521768d
2 changed files with 19 additions and 14 deletions
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6
gcc/testsuite/ChangeLog
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@ -1,3 +1,9 @@
2004-10-20 Ben Elliston <bje@au.ibm.com>
Devang Patel <dpatel@apple.com>
* gcc.dg/tree-ssa/ifc-20040816-2.c: Use integer arithmetic instead
of floating point arithmetic, which could trap.
2004-10-19 Mark Mitchell <mark@codesourcery.com>
PR c++/14035

27
gcc/testsuite/gcc.dg/tree-ssa/ifc-20040816-2.c
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@ -1,30 +1,29 @@
/* { dg-do compile } */
/* { dg-options "-c -O2 -ftree-vectorize -fdump-tree-ifcvt-stats" { target *-*-* } } */
typedef float afloat __attribute__ ((__aligned__(16)));
void foo(const afloat * __restrict__ zr_in,
const afloat * __restrict__ zi_in,
const afloat * __restrict__ zk_in,
afloat * __restrict__ zr_out,
afloat * __restrict__ zi_out,
afloat * __restrict__ zk_out,
float cr, float ci)
void foo(const int * __restrict__ zr_in,
const int * __restrict__ zi_in,
const int * __restrict__ zk_in,
int * __restrict__ zr_out,
int * __restrict__ zi_out,
int * __restrict__ zk_out,
int cr, int ci)
{
unsigned int pi;
float tmp_r, tmp_i, tmp_k;
int tmp_r, tmp_i, tmp_k;
for (pi = 0; pi < (512)*(512); pi++) {
float zr = zr_in[pi];
float zi = zi_in[pi];
float zk = zk_in[pi];
int zr = zr_in[pi];
int zi = zi_in[pi];
int zk = zk_in[pi];
if (zr*zr + zi*zi >= 4.0f) {
if (zr*zr + zi*zi >= 4) {
tmp_r = zr;
tmp_i = zi;
tmp_k = zk;
} else {
tmp_r = (zr*zr - zi*zi + cr);
tmp_i = (2 * zr * zi + ci);
tmp_k = zk + 1.0f;
tmp_k = zk + 1;
}
zr_out[pi] = tmp_r;
zi_out[pi] = tmp_i;