/* CDSG needs quad-word alignment */
-quad_word op1, op2, op3;
+quad_word _op1, _op2, _op3;
void
test(quad_word op1_init, quad_word op2_init, quad_word op3_init)
{
int cc; // unused
- op1 = op1_init;
- op2 = op2_init;
- op3 = op3_init;
+ _op1 = op1_init;
+ _op2 = op2_init;
+ _op3 = op3_init;
__asm__ volatile (
"lmg %%r0,%%r1,%1\n\t"
"cdsg %%r0,%%r2,%2\n\t" // cdsg 1st,3rd,2nd
"stmg %%r0,%%r1,%1\n" // store r0,r1 to op1
"stmg %%r2,%%r3,%3\n" // store r2,r3 to op3
- : "=d"(cc), "+QS" (op1), "+QS" (op2), "+QS" (op3)
+ : "=d"(cc), "+QS" (_op1), "+QS" (_op2), "+QS" (_op3)
:
: "r0", "r1", "r2", "r3", "cc");
}
/* CDSG needs quad-word alignment */
-quad_word op1, op2, op3;
+quad_word _op1, _op2, _op3;
void
test(quad_word op1_init, quad_word op2_init, quad_word op3_init,
quad_word op1_before, op2_before, op3_before;
int cc = 1 - expected_cc;
- op1 = op1_init;
- op2 = op2_init;
- op3 = op3_init;
+ _op1 = op1_init;
+ _op2 = op2_init;
+ _op3 = op3_init;
- op1_before = op1;
- op2_before = op2;
- op3_before = op3;
+ op1_before = _op1;
+ op2_before = _op2;
+ op3_before = _op3;
- printf("before op1 = (%#lx, %#lx)\n", op1.high, op1.low);
- printf("before op2 = (%#lx, %#lx)\n", op2.high, op2.low);
- printf("before op3 = (%#lx, %#lx)\n", op3.high, op3.low);
+ printf("before op1 = (%#lx, %#lx)\n", _op1.high, _op1.low);
+ printf("before op2 = (%#lx, %#lx)\n", _op2.high, _op2.low);
+ printf("before op3 = (%#lx, %#lx)\n", _op3.high, _op3.low);
__asm__ volatile (
"lmg %%r0,%%r1,%1\n\t"
"lmg %%r2,%%r3,%3\n\t"
"cdsg %%r0,%%r2,%2\n\t" // cdsg 1st,3rd,2nd
- "stmg %%r0,%%r1,%1\n" // store r0,r1 to op1
- "stmg %%r2,%%r3,%3\n" // store r2,r3 to op3
+ "stmg %%r0,%%r1,%1\n" // store r0,r1 to _op1
+ "stmg %%r2,%%r3,%3\n" // store r2,r3 to _op3
"ipm %0\n\t"
"srl %0,28\n\t"
- : "=d" (cc), "+QS" (op1), "+QS" (op2), "+QS" (op3)
+ : "=d" (cc), "+QS" (_op1), "+QS" (_op2), "+QS" (_op3)
:
: "r0", "r1", "r2", "r3", "cc");
- printf("after op1 = (%#lx, %#lx)\n", op1.high, op1.low);
- printf("after op2 = (%#lx, %#lx)\n", op2.high, op2.low);
- printf("after op3 = (%#lx, %#lx)\n", op3.high, op3.low);
+ printf("after op1 = (%#lx, %#lx)\n", _op1.high, _op1.low);
+ printf("after op2 = (%#lx, %#lx)\n", _op2.high, _op2.low);
+ printf("after op3 = (%#lx, %#lx)\n", _op3.high, _op3.low);
printf("cc = %d\n", cc);
if (cc != expected_cc) {
printf("condition code is incorrect\n");
}
- // op3 never changes
- if (op3.low != op3_before.low || op3.high != op3_before.high) {
+ // _op3 never changes
+ if (_op3.low != op3_before.low || _op3.high != op3_before.high) {
printf("operand #3 modified\n");
}
if (expected_cc == 0) {
// 3rd operand stored at 2nd operand location
- // op1 did not change
- if (op1.low != op1_before.low || op1.high != op1_before.high) {
+ // _op1 did not change
+ if (_op1.low != op1_before.low || _op1.high != op1_before.high) {
printf("operand #1 modified\n");
}
- if (op2.high != op3.high || op2.low != op3.low) {
+ if (_op2.high != _op3.high || _op2.low != _op3.low) {
printf("operand #2 incorrect\n");
}
} else {
// 2nd operand stored at 1st operand location
- // op2 did not change
- if (op2.low != op2_before.low || op2.high != op2_before.high) {
+ // _op2 did not change
+ if (_op2.low != op2_before.low || _op2.high != op2_before.high) {
printf("operand #2 modified\n");
}
- if (op1.high != op2.high || op1.low != op2.low) {
+ if (_op1.high != _op2.high || _op1.low != _op2.low) {
printf("operand #1 incorrect\n");
}
}