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target-alpha: Implement missing MVI instructions.

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Signed-off-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
This commit is contained in:
Richard Henderson 2009-12-10 12:04:42 -08:00 • committed by Aurelien Jarno
parent 91a7593526
commit 13e4df99ce
3 changed files with 231 additions and 30 deletions
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168
target-alpha/op_helper.c
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@ -277,6 +277,174 @@ uint64_t helper_cmpbge (uint64_t op1, uint64_t op2)
return res;
}
uint64_t helper_minub8 (uint64_t op1, uint64_t op2)
{
uint64_t res = 0;
uint8_t opa, opb, opr;
int i;
for (i = 0; i < 8; ++i) {
opa = op1 >> (i * 8);
opb = op2 >> (i * 8);
opr = opa < opb ? opa : opb;
res |= (uint64_t)opr << (i * 8);
}
return res;
}
uint64_t helper_minsb8 (uint64_t op1, uint64_t op2)
{
uint64_t res = 0;
int8_t opa, opb;
uint8_t opr;
int i;
for (i = 0; i < 8; ++i) {
opa = op1 >> (i * 8);
opb = op2 >> (i * 8);
opr = opa < opb ? opa : opb;
res |= (uint64_t)opr << (i * 8);
}
return res;
}
uint64_t helper_minuw4 (uint64_t op1, uint64_t op2)
{
uint64_t res = 0;
uint16_t opa, opb, opr;
int i;
for (i = 0; i < 4; ++i) {
opa = op1 >> (i * 16);
opb = op2 >> (i * 16);
opr = opa < opb ? opa : opb;
res |= (uint64_t)opr << (i * 16);
}
return res;
}
uint64_t helper_minsw4 (uint64_t op1, uint64_t op2)
{
uint64_t res = 0;
int16_t opa, opb;
uint16_t opr;
int i;
for (i = 0; i < 4; ++i) {
opa = op1 >> (i * 16);
opb = op2 >> (i * 16);
opr = opa < opb ? opa : opb;
res |= (uint64_t)opr << (i * 16);
}
return res;
}
uint64_t helper_maxub8 (uint64_t op1, uint64_t op2)
{
uint64_t res = 0;
uint8_t opa, opb, opr;
int i;
for (i = 0; i < 8; ++i) {
opa = op1 >> (i * 8);
opb = op2 >> (i * 8);
opr = opa > opb ? opa : opb;
res |= (uint64_t)opr << (i * 8);
}
return res;
}
uint64_t helper_maxsb8 (uint64_t op1, uint64_t op2)
{
uint64_t res = 0;
int8_t opa, opb;
uint8_t opr;
int i;
for (i = 0; i < 8; ++i) {
opa = op1 >> (i * 8);
opb = op2 >> (i * 8);
opr = opa > opb ? opa : opb;
res |= (uint64_t)opr << (i * 8);
}
return res;
}
uint64_t helper_maxuw4 (uint64_t op1, uint64_t op2)
{
uint64_t res = 0;
uint16_t opa, opb, opr;
int i;
for (i = 0; i < 4; ++i) {
opa = op1 >> (i * 16);
opb = op2 >> (i * 16);
opr = opa > opb ? opa : opb;
res |= (uint64_t)opr << (i * 16);
}
return res;
}
uint64_t helper_maxsw4 (uint64_t op1, uint64_t op2)
{
uint64_t res = 0;
int16_t opa, opb;
uint16_t opr;
int i;
for (i = 0; i < 4; ++i) {
opa = op1 >> (i * 16);
opb = op2 >> (i * 16);
opr = opa > opb ? opa : opb;
res |= (uint64_t)opr << (i * 16);
}
return res;
}
uint64_t helper_perr (uint64_t op1, uint64_t op2)
{
uint64_t res = 0;
uint8_t opa, opb, opr;
int i;
for (i = 0; i < 8; ++i) {
opa = op1 >> (i * 8);
opb = op2 >> (i * 8);
if (opa >= opb)
opr = opa - opb;
else
opr = opb - opa;
res += opr;
}
return res;
}
uint64_t helper_pklb (uint64_t op1)
{
return (op1 & 0xff) | ((op1 >> 24) & 0xff00);
}
uint64_t helper_pkwb (uint64_t op1)
{
return ((op1 & 0xff)
| ((op1 >> 8) & 0xff00)
| ((op1 >> 16) & 0xff0000)
| ((op1 >> 24) & 0xff000000));
}
uint64_t helper_unpkbl (uint64_t op1)
{
return (op1 & 0xff) | ((op1 & 0xff00) << 24);
}
uint64_t helper_unpkbw (uint64_t op1)
{
return ((op1 & 0xff)
| ((op1 & 0xff00) << 8)
| ((op1 & 0xff0000) << 16)
| ((op1 & 0xff000000) << 24));
}
/* Floating point helpers */
/* F floating (VAX) */