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fix overflows for lve[bhw]x input values and vector values on 64-bit hosts

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This commit is contained in:
gbeauche 2005-12-11 20:57:45 +00:00
parent 8372abd132
commit 6416914c15
1 changed files with 32 additions and 20 deletions
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52
SheepShaver/src/kpx_cpu/src/test/test-powerpc.cpp
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@ -18,6 +18,8 @@
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
// NOTE: Results file md5sum: 3e29432abb6e21e625a2eef8cf2f0840 ($Revision$)
#include <vector>
#include <limits>
#include <stdio.h>
@ -512,9 +514,11 @@ class aligned_vector_t {
} vs;
public:
aligned_vector_t()
{ clear(); }
void clear()
{ memset(addr(), 0, sizeof(vector_t)); }
aligned_vector_t(vector_t const & vi)
{ memcpy(addr(), &vi, sizeof(vector_t)); }
void copy(vector_t const & vi, int n = sizeof(vector_t))
{ clear(); memcpy(addr(), &vi, n); }
vector_t *addr() const
{ return (vector_t *)(((char *)&vs.v) + (16 - (((uintptr)&vs.v) % 16))); }
vector_t const & value() const
@ -1603,6 +1607,7 @@ void powerpc_test_cpu::test_one_vector(uint32 *code, vector_test_t const & vt, u
static vector_helper_t native_vSCR;
memset(&native_vSCR, 0, sizeof(native_vSCR));
static aligned_vector_t dummy_vector;
dummy_vector.clear();
if (!rAp) rAp = (uint8 *)dummy_vector.addr();
if (!rBp) rBp = (uint8 *)dummy_vector.addr();
if (!rCp) rCp = (uint8 *)dummy_vector.addr();
@ -1633,9 +1638,9 @@ void powerpc_test_cpu::test_one_vector(uint32 *code, vector_test_t const & vt, u
// Invoke emulated code
static aligned_vector_t emul_vD;
memset(emul_vD.addr(), 0, sizeof(vector_t));
emul_vD.clear();
static aligned_vector_t emul_vSCR;
memset(emul_vSCR.addr(), 0, sizeof(vector_t));
emul_vSCR.clear();
emul_set_cr(init_cr);
set_gpr(RD, (uintptr)emul_vD.addr());
set_gpr(RA, (uintptr)rAp);
@ -1799,19 +1804,25 @@ void powerpc_test_cpu::test_vector_load(void)
printf("Testing %s\n", vt.name);
const int n_vector_values = sizeof(vector_values)/sizeof(vector_values[0]);
for (int j = 0; j < n_vector_values; j++) {
aligned_vector_t av(vector_values[j].v);
static aligned_vector_t av;
switch (vt.type) {
case 'b':
for (int k = 0; k < 16; k++)
test_one_vector(code, vt, ((uint8 *)av.addr()) + 1 * k);
for (int k = 0; k < 16; k++) {
av.copy(*(vector_t *)((uint8 *)(&vector_values[j].v) + 1 * k), 16 - 1 * k);
test_one_vector(code, vt, av.addr());
}
break;
case 'h':
for (int k = 0; k < 8; k++)
test_one_vector(code, vt, ((uint8 *)av.addr()) + 2 * k);
for (int k = 0; k < 8; k++) {
av.copy(*(vector_t *)((uint8 *)(&vector_values[j].v) + 2 * k), 16 - 2 * k);
test_one_vector(code, vt, av.addr());
}
break;
case 'w':
for (int k = 0; k < 4; k++)
test_one_vector(code, vt, ((uint8 *)av.addr()) + 4 * k);
for (int k = 0; k < 4; k++) {
av.copy(*(vector_t *)((uint8 *)(&vector_values[j].v) + 4 * k), 16 - 4 * k);
test_one_vector(code, vt, av.addr());
}
break;
}
}
@ -2033,13 +2044,14 @@ void powerpc_test_cpu::test_vector_arith(void)
}
printf("Testing %s\n", vt.name);
static aligned_vector_t avi, avj, avk;
if (vt.operands[1] == vA && vt.operands[2] == vB && vt.operands[3] == vC) {
for (int i = 0; i < n_vector_values; i++) {
aligned_vector_t avi(vvp[i].v);
avi.copy(vvp[i].v);
for (int j = 0; j < n_vector_values; j++) {
aligned_vector_t avj(vvp[j].v);
avj.copy(vvp[j].v);
for (int k = 0; k < n_vector_values; k++) {
aligned_vector_t avk(vvp[k].v);
avk.copy(vvp[k].v);
test_one_vector(code, vt, avi.addr(), avj.addr(), avk.addr());
}
}
@ -2050,9 +2062,9 @@ void powerpc_test_cpu::test_vector_arith(void)
vSH_field::insert(vt.opcode, i);
code[i_opcode] = vt.opcode;
flush_icache_range(code, sizeof(code));
aligned_vector_t avi(vvp[i].v);
avi.copy(vvp[i].v);
for (int j = 0; j < n_vector_values; j++) {
aligned_vector_t avj(vvp[j].v);
avj.copy(vvp[j].v);
for (int k = 0; k < n_vector_values; k++)
test_one_vector(code, vt, avi.addr(), avj.addr());
}
@ -2060,13 +2072,13 @@ void powerpc_test_cpu::test_vector_arith(void)
}
else if (vt.operands[1] == vA && vt.operands[2] == vB) {
for (int i = 0; i < n_vector_values; i++) {
aligned_vector_t avi(vvp[i].v);
avi.copy(vvp[i].v);
for (int j = 0; j < n_vector_values; j++) {
if (op_type == 'B') {
if (!vector_all_eq('b', vvp[j].v))
continue;
}
aligned_vector_t avj(vvp[j].v);
avj.copy(vvp[j].v);
test_one_vector(code, vt, avi.addr(), avj.addr());
}
}
@ -2077,7 +2089,7 @@ void powerpc_test_cpu::test_vector_arith(void)
code[i_opcode] = vt.opcode;
flush_icache_range(code, sizeof(code));
for (int j = 0; j < n_vector_values; j++) {
aligned_vector_t avj(vvp[j].v);
avj.copy(vvp[j].v);
test_one_vector(code, vt, NULL, avj.addr());
}
}
@ -2092,7 +2104,7 @@ void powerpc_test_cpu::test_vector_arith(void)
}
else if (vt.operands[1] == __ && vt.operands[2] == vB) {
for (int i = 0; i < n_vector_values; i++) {
aligned_vector_t avi(vvp[i].v);
avi.copy(vvp[i].v);
test_one_vector(code, vt, NULL, avi.addr());
}
}